KR20200037541A - spiral oven of gas type - Google Patents

Abstract

The present invention relates to a gas type spiral oven which cooks processed meat by indirect heating, not direct heating, while transferring the processed meat by a transfer net moving in a spiral type, thereby uniformly cooking the inside while cooking the outer part to a crispy texture and preventing the juices of the processed meat from flowing out therefrom. Moreover, since the transfer net is formed in the spiral type, the gas type spiral oven can be installed in a narrow place and attached byproducts of the processed meat can be removed while transferring the transfer net, thereby preventing the byproducts from changing the taste of the processed meat and providing a clean processed meat. According to the present invention, the gas type spiral oven comprises: a housing; a supplying and discharge unit; first and second drums; the transfer net; a heating means; and a net washing means.

Description

Spiral oven of gas type

The present invention relates to a gas-type spiral oven, more specifically, by configuring the meat to be cooked by indirect heating rather than direct heating while moving the meat processed food through a transfer net moving to the spiral type, the outer surface It is a gas-type spiral oven that can be cooked evenly to the inside while cooking crisply, and also to protect the meat from escaping.

For busy modern people, a variety of processed foods that are ready to be consumed are being released.

Among these processed foods, meat processed foods are cooked by applying heat to moving meat processed foods.

That is, a device for cooking a conventional general meat processed food, that is, a heating device is rotatably dissipated heat corresponding to the application of power to the moving part having a roller with a plurality of rotations at intervals a day ago, and the upper and lower parts of the moving part to process the meat processed food It is composed of an electric heater provided at a plurality of intervals to learn.

Therefore, the above-described device is cooked by the heat emitted from the electric heater while moving, when the processed food is placed on the moving part.

However, the conventional heating device of the related art has a problem in that power consumption increases due to high power consumption by providing a plurality of electric heaters at the upper and lower portions to cook meat processed food moving through the moving unit as described above. .

In addition, since the conventional general heating device is cooked by heating heat directly through an electric heater to the meat processing food on the move, as described above, there is a problem in that a lot of water loss contained in the meat processing food must be generated.

And, the conventional general heating device, as described above, because the meat is cooked through a plurality of electric heaters, different types, that is, when trying to cook a ham type while cooking meat, the heat provided from the electric heater There was a problem that it was not easy to control.

In view of this, a food heating device has been filed in Patent Application No. 10-2009-0039749.

Looking at, a conventional food heating device is a food heating device installed on a moving part configured to move meat-processed food, and fixedly installed on one side of the moving part, and on one side, an inflow part to be connected to a supply pipe piped from a steam supply part. It is formed, and the other end is provided with a heat exchanger for discharging hot steam by heat-exchanging the inflowing steam, and a heat exchanger is provided, and one end is connected to the outlet of the heat exchanger to drive the moving unit. The upper and lower hot steam supply pipes respectively installed at the upper and lower portions, and the upper and lower branch portions connected to the upper and lower hot steam supply pipes to be installed in the longitudinal direction of the moving part, and the upper and lower branch portions The outer circumferential surface has one end communicating with the other end blocked, and the outer circumferential surface has a high-temperature steam. Is made by a control unit which is provided with injection holes longitudinally regular intervals to enable a plurality of injection is formed so as to controllably predetermined distance plurality pieces top and bottom spray nozzle provided for each, and groups the moving part and the steam supply unit and the heat exchanger.

However, the conventional general food heating device made as described above uses the high-temperature steam to heat and cook the processed food that is moved by the moving part so that the meat is processed while the meat is heated and cooked. It can be prevented from escaping, but it has the disadvantage of not being able to obtain a crispy taste because it is cooked by heating meat products using hot steam.

In addition, the above-mentioned conventional general food heating device is installed in the longitudinal direction on the upper and lower portions of the moving part that moves only in one direction, and for the upper and lower portions in which a plurality of spray holes are formed at regular intervals in the longitudinal direction so as to spray hot steam on the outer circumferential surface. Since it is configured to cook meat processed food being moved through the moving part with high-temperature steam sprayed through the injection hole of the branch part, there is a problem that the meat processed food does not ripen when the injection hole is blocked by foreign matter.

And, as described above, in the conventional food heating apparatus, the moving part is provided in one direction, and therefore, when cooking thick meat, the device has to be lengthened, and as a result, a lot of installation space of the device is required. There are disadvantages.

Patent Application No. 10-2009-0039749, filing date; May 7, 2009

Thus, the present invention was devised to solve the above-mentioned problems, and configured to be able to cook meat processed food by indirect heating instead of direct heating while moving the meat processed food through a transfer net moving in a spiral type. It can be cooked evenly to the inside while crisply cooked, and it can also protect the meat from draining out of the processed food, and it can be installed in a confined place as it is composed of a spiral type transfer net, as well as transferring the transfer net. The purpose of the present invention is to provide a gas-type spiral oven that can remove the by-products of the processed meat products, and prevents the taste of the meat products from being deteriorated, as well as providing a cleaner meat product. There is this.

Other objects of the present invention will become apparent as the technology progresses.

In order to achieve the above object, a gas-type spiral oven of the present invention is provided with a housing provided with inlets and outlets on one side and the other side, and located at each side of the inlet and outlet of the housing to supply and discharge meat processed food. The supply part and the discharge part are provided, and the first and second drums are provided in a rotatable spaced apart from each other inside the housing, and rotatably provided by receiving driving force from a drive motor installed at the bottom of the housing. The supply part, the first and second drums, and the discharge part are wound to a caterpillar type so as to be able to transport meat processed foods. The first and second drums are provided with a transfer net that is movably provided in a spiral type. A heating means fixedly installed on the upper portion and provided with a heating means to be able to heat the processed food transferred through the transfer net, and the lower It is installed on one side of the bottom of the gong so that the transporting net can be washed while being transported, preventing the taste of meat processed food from being deteriorated, and also providing a clean meat processed food by preventing the by-products from adhering. It characterized in that it comprises a washing means.

As described above, according to the gas-type spiral oven according to the present invention, the outside can be cooked evenly to the inside while being crispy on the outside, and at the same time, it is possible to protect the meat product from escaping, and the transfer net is spiral-type. As it is composed of, it can be installed in a narrow place, and it can remove the by-products of the processed meat products attached during the transfer of the transport net, preventing the deterioration of the taste of the processed meat products due to the by-products, as well as cleaner meat processing. To provide food

1 is a perspective view showing a gas type spiral oven according to the present invention.
Figure 2 is a front view showing the interior of a gas type spiral oven according to the present invention.
3 and 4 are views showing a heating means included in a gas type spiral oven according to the present invention.
5 and 6 are views showing a net cleaning means included in a gas-type spiral oven according to the present invention.

Hereinafter, an example of a gas type spiral oven according to the present invention will be described in detail.

First, it should be noted that, among the drawings, the same components or parts indicate the same reference numerals as possible. In describing the present invention, detailed descriptions of related known functions or configurations will be omitted so as not to obscure the subject matter of the invention.

As shown, the gas-type spiral oven machine according to the present invention is configured to be able to cook evenly to the inside while being crispy on the outside, and also to protect the meat product from escaping.

That is, the above-described gas-type spiral oven 100 according to the present invention has a housing 110 provided with inlets and outlets formed on one surface and the other surface, and is located on each side of the inlet and outlet of the housing 110 to perform meat processing. A supply unit 120 and a discharge unit 130 provided for supplying and discharging food, and provided in a rotatable pair spaced apart from each other inside the housing 110, installed at a lower portion of the housing 110 The first and second drums 140 and 140 'rotatably provided by receiving the driving force from the driving motor M, the supply 120 and the first and second drums 140 and 140', and the discharge unit 130 in an infinite track It is wound to a type and is provided so as to transport meat processed foods. The first and second drums 140 and 140 'are provided with a transfer net 150 movably provided in a spiral type, and fixed to the upper portion of the housing 110. Installed and transferred through the transfer net 150 The heating means 160 is provided to be able to heat the blank food and is installed on one side of the bottom surface of the housing 110 so that the transfer net 150 can be washed while being transported, so that the taste of meat processed food is changed. It also comprises a net cleaning means 170 that is provided to prevent and prevent the attachment of by-products to provide clean meat products.

Hereinafter, a gas type spiral oven according to the present invention will be described in detail with reference to the accompanying drawings.

First, the housing 110 of the gas-type spiral oven according to the present invention described above, as shown in Figures 1 and 2, the base portion 110a and the base portion 110a to which the leg is fixed to the bottom surface, the base portion 110a The bottom surface is seated on the upper surface of the hydraulic or pneumatic cylinder (S) (see Fig. 5) by operating the cover portion 110b, which is installed to be raised or lowered to open or close the base portion 110a. The cover portion 110b is made of a rectangular enclosure by being seated on the upper surface of the base portion 110a. On one side and the other side, a transfer net 150 that rotates in an infinite orbital manner can be drawn in and out. The entrance and the exit (omit the drawing symbols) are formed so as to be configured.

In addition, a washing tank 111 for washing or soaking by-products attached while the meat products are being cooked by allowing the transfer net 150 to be precipitated and transported to the bottom surface of the base portion 110a, and one side of the washing tank 111. Is installed in the washing tank 111 is provided with a washing water supply pump 112 for supplying washing water to the side.

And, the upper edge portion of the base portion 110a of the housing 110 prevents heat and odor from being discharged between the lower surface of the cover portion 110b and the upper surface of the base portion 110a when the cover portion 110b is seated. The groove portion 110c for storing water is formed.

In addition, on both sides of the base portion 110a, one end is connected to a steam generating unit (not shown), and the other end is piped into the housing 110, and a steam supply unit 113,113 'connected with a steam injection pipe to spray steam. It is provided to be operable by the control of the control unit (C).

1 to 3, the supply part 120 is connected to one side of the housing 110 and has a plurality of rollers having sprocket wheels for transport of the transport net 150 therein. It is rotatably installed, and a motor for a net transfer is installed on the lower side of the roller so as to transfer the net 150 for transportation by driving under the control of the control unit (C). do.

The discharge unit 130 is connected to the other side of the housing 110 is installed, a plurality of circulation rollers having a sprocket wheel for the transfer of the transfer net 150 is installed rotatably, the A motor is installed and provided on the lower side of the circulation roller so as to transfer the transfer net by driving under the control of the control unit (C).

The transfer net 150, as shown in Figure 2 of the accompanying drawings, the supply unit 120, the first and second drums (140,140 ') and the discharge unit 130 of the net transfer motor installed under the supply unit Circulating in a caterpillar type by driving, the first and second drums 140 and 140 'are provided to be transferred in a spiral type.

At this time, the transfer net 150 is provided with chains on both sides so as to circulate along a pair of drums 140 and 140 'of the sprocket wheel of the supply unit 120 and the sprocket wheel of the discharge unit 130, and the chain It is configured in the form of a net so that it can be supplied to the seated meat processing side by circulating while heat is flowed to the upper and lower sides while seating the meat processing portion.

The heating means 160 are installed on one side of the heating cover portions 161a and 161a 'fixed to both sides of the upper portion of the housing 110 and are provided to be ignitable by control of the control unit C. The first and second burner parts 161 and 161 'are installed on one side of the first and second burner parts 161 and 161' by being installed in the heating and burner parts 161 and 161 ', respectively. 161,161 '), the first and second heat exchange parts 162,162' provided to exchange heat from the heat, and the first and second heat exchange parts 162,162 'by being located on the other upper side of the housing 110 It is installed on one side and sucks the air inside the housing 110 according to driving corresponding to the control of the control unit C, and blows it to the first and second heat exchange units 162 and 162 'to cook meat processed food by circulating heat. The hot air blowing portion (163,163 ') provided to be provided, and the hot air circulation blower (163,163') is located at the lower end Each of the first and second drums 140 and 140 'is fixed to the upper portion, and the other end is formed of a plate of arc shape fixed to a fixed bar (not shown) fixed to the first and second drums 140 and 140', respectively. The heat dissipation plate is provided with a plurality of heat discharge holes (164a, 164a ') are formed at regular intervals in the radial direction so that heat exchanged by the hot air circulation blowers 164, 164' is uniformly discharged and flowable to the lower side. 164,164 '), and one end fixed to the outer peripheral surfaces of the first and second drums 140 and 140', and the other end fixed to the fixing bar, respectively, so that the heat discharging plates 164 and 164 'are located below the transfer net 150 The heat shield plate (165,165 ') provided to be diffused into the housing 110 while the blown heat is reflected to the side of the transfer net 150 as spaced apart so as to be moved between the heat discharge plate (164,164') Including.

Here, the above-described first and second burner parts 161 and 161 'are made of gas or electric burners, and are spaced apart from each other so that the first and second heat exchange parts 162 and 162' can be quickly and uniformly heated. It is provided in pairs.

In addition, the first heat exchange unit 162 is formed as a single body so as to uniformly blow heat to the entire interior of the housing 110 and to rapidly increase heat, and the second heat exchange unit 162 'is blown It is provided in a pair to be spaced apart in the transverse direction with respect to each other so that the heat can be easily controlled.

In addition, the first burner unit 161 is horizontally installed with respect to the first heat exchanger unit 162 so as to be heated to a long distance inside the first heat exchanger unit 162, and the second burner unit 161 ' ) Is installed at an angle of 40 ° to 50 ° with respect to the second heat exchange unit 162 '.

On the other hand, when the above-described second burner portion 161 'is inclined at an angle of 40 degrees or less, heat is concentrated toward the rear end of the second heat exchange portion 162', which is shortly formed, and tilted at an angle of 50 degrees or more. When installed, the second burner part 161 'is tilted at an angle of 40 ° to 50 ° with respect to the second heat exchange part 162' because heat is concentrated at the front end and heat transfer does not occur quickly at the rear end. It is desirable to install it.

In addition, the plurality of heat discharging holes 164a and 164a 'formed at regular intervals in the radial direction on the heat discharging plates 164 and 164' are provided in two rows so that heat can be evenly flowed to the lower side of the housing 110.

Further, the above-described heat shield plates 165 and 165 'are formed and formed in a semi-arc shape with a cross-sectional shape corresponding to the heat discharge plates 164 and 164'.

In addition, the heat exchanged through the above-described first and second heat exchange parts 162 and 162 'may be exchanged with the same heat, and the first heat exchange part 162 may be exchanged with heat higher than the second heat exchange part 162'. It might be.

The net cleaning means 170 is installed to be driven to correspond to the control of the control unit (C) on one side of the washing tank 111, as shown in Figures 2 and 5 and 6, the rotating shaft (drawing code omitted) ) Is located on the bottom surface of the transfer net 150 by being fixed to the rotating shaft and the driving drive motor 171 provided to be located inside the washing tank 111, the driving drive motor for impact 171 is driven By hitting the bottom surface of the transfer net 150 by doing so, the washing hitting member 172 is provided so as to be able to remove the by-products of the called meat processing food attached to the surface of the transfer net 150, and the washing Driving of the cleaning driving motor 173 installed on one side of the supply unit 120 so as to remove the by-products of the so-called processed meat products by washing the surface while transporting the transport net 150 hit by the striking member 172 To be rotatable by It comprises a cleaning brush 174 for cleaning which is provided with, at the bottom.

Here, the above-mentioned washing hitting member 172 is formed to be formed in a polygonal cross section so as to strike the bottom surface of the conveying net 1150 being transported by rotating.

In addition, on one side of the cleaning brush 174 for washing, the residual by-products are washed up and down to be rotatable by driving the driving motor 173 for cleaning to remove residual by-products attached to the transfer net 150. Dragon cleaning brush 175 is further provided.

In addition, the other side of the above-mentioned cleaning brush 174 and the cleaning brush 175 for cleaning residual by-products are supplied by the drive of the water supply pump 176 installed inside the supply part 120, and a by-product of meat products. The first and second washing water spray units 177 and 178 are further provided to wash the cleaning brushes 174 and the residual by-products cleaning brushes 175 attached to the residual by-products, respectively.

In addition, the surface of the first washing water spray unit 177 is supplied by the driving of the compressed air supply unit (not shown in the drawing) installed on one side of the water supply pump 176, and the surface is hit by the washing hitting member 172. Compressed air injection port 179 is further provided so as to remove the by-products and washing water called by spraying compressed air to the surface side of the transfer net 150 while being transported.

When the spiral oven 100 is driven to heat, for example, pork using the gas-type spiral oven according to the present invention, the accompanying drawings are used for conveying as shown in FIGS. 1 to 6 As the net 150 circulates, the first and second drums 140 and 140 'rotate, and the first and second burner parts 161 and 161' are ignited, and the ignited heat is exchanged for the first and second heat. Heat is exchanged through the parts 162 and 162 ', and the heat-exchanged heat is blown to the heat discharge plates 164 and 164' by driving the hot air blowing units 163 and 163 '.

When the pork to be heated to the upper surface side of the transfer net 150 that is circulated in the above-described state is supplied through the supply unit 120, the pork is housed 110 along with the transfer of the transfer net 150. ) Through the inlet.

When the pork flows inward through the inlet of the housing 110, it is cooked by circulating blowing heat, and when the pork moves to the upper side of the first drum 140 in a spiral type, the heat discharge plate 164 While being cooked to the inside speed by heat reflected by the heat shield plate 165 installed under the heat discharge plate 164 together with heat exchanged through the first heat exchange part 162 through the heat discharge hole 164a of the It is transferred to the upper side of the second drum 140 '.

When transferred to the upper side of the second drum (140 '), the heat exchanged through the second heat exchange unit (162') is a heat discharge hole (164a ') of the heat discharge plate (164') and the heat discharge plate (164) It is transferred to the lower side of the second drum 140 'while being cooked to the inside once again by the heat reflected by the heat shield plate 165' installed at the bottom of ').

While being transferred to the lower side of the second drum 140 ', heat is continuously applied by the circulating hot air to be completely cooked and discharged to the discharge unit 130 side.

As described above, the heat exchanged through the first and second heat exchange parts 162 and 162 'can be cooked by heating and processing the processed food that is transported while being purified inside the heating housing 110 through the hot air blowing parts 163 and 163'. You can cook evenly inside, protecting the meat from draining.

On the other hand, as the transfer net 150 is a spiral type, as the pork is cooked by the blowing heat that circulates while sequentially passing through the first drum 140 and the second drum 140 ', the outlet 130 is discharged through the outlet. It is discharged to the side, the transfer net 150 is moved while passing through the discharge unit 130 flows into the washing tank 111 is stored washing water.

When the transfer net 150 flows into the washing tank 111 side, a by-product of the duck attached to the surface of the transfer net 150 is called.

At this time, the cleaning hitting member 172 having a hexagonal cross section that rotates corresponding to the driving of the impact driving motor 171 hits the bottom surface of the transfer net 150.

 As a by-product of the duck called by the blow of the transfer net 150 is eliminated, the transfer net 150 is moved to the supply unit 121 side.

When the transfer net 150 is moved toward the supply unit 120, the compressed air supplied by the driving of the compressed air supply unit is sprayed through the compressed air injection port 179 to the surface of the transfer net 150, and thereby Due to the dropping of water in the washing tank 111 together with the by-products that have not been eliminated, the transfer net 150 is rotated by the cleaning driving motor 173, and the cleaning brush 174 for washing and residual by-product washing are rotated. The by-products that are not eliminated by the cleaning brush 175 are removed and transferred.

Therefore, when new pork is supplied through the supply unit 120, the taste of the pork does not change due to the cleanly washed transfer net 150.

The above description is merely illustrative of the technical idea of the present invention, and those skilled in the art to which the present invention pertains may make various modifications and variations without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are not intended to limit the technical spirit of the present invention, but to explain, and the scope of the technical spirit of the present invention is not limited by these embodiments. The scope of protection of the present invention should be interpreted by the claims below, and all technical spirits within the scope equivalent thereto should be interpreted as being included in the scope of the present invention.

C; Control unit M; Drive motor
100; Gas type spiral oven 110; housing
120; Supply unit 130; Outlet
140; First drum 140 '; Drum 2
150; Transfer net 160; Heating means
170; Net cleaning means

Claims (5)

Gas type spiral oven machine,
A housing 110 having an inlet and an outlet formed on one surface and the other surface;
A supply unit 120 and a discharge unit 130 located at each side of the inlet and the outlet of the housing 110 and provided to supply and discharge meat products;
The first and second drums provided rotatably spaced apart from each other inside the housing 110 and rotatably provided by receiving a driving force from a driving motor M installed under the housing 110. 140,140 ');
The supply unit 120 and the first and second drums 140 and 140 'and the discharge unit 130 are wound in a caterpillar type to be provided to transport meat-processed food, but the first and second drums 140 and 140' are spiraled. A transfer net 150 provided to be movable in a type;
A heating means 160 which is fixedly installed on the upper part of the housing 110 and is provided so as to be able to heat the processed food transferred through the transfer net 150;
It is installed on one side of the bottom surface of the housing 110 so that the transport net 150 can be washed while being transported, so that the taste of the meat processed food is not deteriorated, and also byproducts are prevented from being attached to clean meat processed food. Net cleaning means 170 provided to provide
Gas type spiral oven machine comprising a.
According to claim 1,
The heating means 160 is installed on one side of the heating cover portions 161a and 161a 'fixed to both sides of the upper portion of the housing 110, and is provided to be ignitable by control of the control unit C. The first and second burner parts 161 and 161 'are installed on one side of the first and second burner parts 161 and 161' by being installed in the heating and burner parts 161 and 161 ', respectively. 161,161 '), the first and second heat exchange parts 162,162' provided to exchange heat from the heat, and the first and second heat exchange parts 162,162 'by being located on the other upper side of the housing 110 It is installed on one side and sucks the air inside the housing 110 according to driving corresponding to the control of the control unit C, and blows it to the first and second heat exchange units 162 and 162 'to cook meat processed food by circulating heat. The hot air blowing portion (163,163 ') provided to be provided, and the hot air circulation blower (163,163') is located at the lower end 1,2 drums (140,140 ') are respectively fixed to the upper portion, and the other end is formed of a plate of a semi-arc shape that is fixed to a fixed bar fixed to the first and second drums (140,140'), but on the plate is a hot air circulation blower ( 164,164 '), and the heat dissipation plates 164 and 164' provided with a plurality of heat dissipation holes 164a and 164a 'at regular intervals in a radial direction so that heat exchanged by the heat is evenly discharged to the lower side and flowable. The transfer nets 150 are fixed to the outer circumferential surfaces of the first and second drums 140 and 140 ', and the other ends are fixed to the fixing bars, respectively, so that the transfer nets 150 are located at the lower portions of the discharge plates 164 and 164'. Gas type characterized in that it consists of a heat shield plate (165,165 ') provided to be diffused into the housing 110 while the blown heat is reflected toward the transfer net 150 as it is spaced apart to move between the') Spiral oven.
According to claim 1,
The net cleaning means 170 is installed to be driven to correspond to the control of the control unit (C) on one side of the washing tank 111 of the housing 110, the rotating shaft is provided for being located inside the washing tank 111 The driving motor 171 is located on the bottom surface of the transfer net 150 by being fixed to the rotating shaft, and the impact driving motor 171 is driven to strike the bottom surface of the transfer net 150 by Washing hitting member 172 provided to remove the by-products of the so-called meat-processed food attached to the transfer net 150 surface, and the transferring net 150 hit by the washing hitting member 172 Washing cleaning brush provided at the top and bottom to be rotatable by driving the cleaning driving motor 173 installed on one side of the supply unit 120 so as to remove the by-products of the so-called processed meat while washing the surface while being transported Consisting of 174 Gas type spiral oven machine.
According to claim 2,
The first burner part 161 is horizontally installed with respect to the first heat exchange part 162 so as to heat the inner heat of the first heat exchange part 162 to a long distance, and the second burner part 161 'is made of 2 A plurality of heat discharge holes 164a and 164a ', which are installed at an angle of 40 ° to 50 ° with respect to the heat exchange part 162', and are formed at regular intervals in the radial direction on the heat discharge plates 164 and 164 ' Gas type spiral oven machine, characterized in that provided in two rows so that the heat can be evenly flowed to the lower side of (110).
According to claim 3,
The washing hitting member 172 is formed in a polygonal cross section so as to strike the bottom surface of the conveying net 1150 being transported by rotating, and the conveying net 150 is provided on one side of the cleaning brush 174 for washing. ), The cleaning brush 175 for washing residual by-products is further provided at the top and bottom to be rotatable by driving of the cleaning driving motor 173 to remove residual by-products attached to the cleaning cleaning brush 174 ) On the other side and the cleaning brush 175 for cleaning residual by-products is supplied by the drive of the water supply pump 176 installed inside the supply part 120, and the cleaning for washing by-products and residual by-products of meat products are respectively attached. The first and second washing water jetting units 177 and 178 are further provided to wash the brush 174 and the cleaning brush 175 for residual by-product washing, and water is provided on one side of the first washing water jetting unit 177. The supply pump 176 is supplied by the driving of the compressed air supply unit installed on one side, and the surface is hit by the washing hitting member 172, and the compressed air is injected into the surface side of the transfer net 150 to be transported. A gas type spiral oven machine further comprising a compressed air injection port (179) to remove the washing water.

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