CN105495472B - Preparation method and device of fried potato strips - Google Patents

Abstract

The invention discloses a processing method and a processing device for potato chips, which can avoid browning of potatoes in the processing process. The potato chips are processed by cleaning the potatoes, peeling, slicing, curing, cooling and microwave heating and drying the potatoes in a closed environment, and then frying and seasoning the potatoes, so that the contact probability of the potatoes with oxygen in the whole potato chips processing process is greatly reduced, polyphenol oxidase (PPO) in the potatoes is effectively prevented from being contacted with oxygen in the air, oxidation polymerization is avoided, browning of the potatoes is effectively prevented, and the quality of the finally produced potato chips is ensured to be higher. Is suitable for popularization and application in the technical field of potato processing.

Description

Preparation method and device of fried potato strips

Technical Field

The invention relates to the technical field of potato processing, in particular to a preparation method and a device for fried potato strips.

Background

Potatoes, which belong to perennial herbs of the Solanaceae family, are tubers available for eating and are the third most important food crops worldwide, next to wheat and corn. Potatoes are also called eggs, potatoes, sweet potatoes and the like, and tubers of plants of the family Solanaceae. And wheat, corn, rice and sorghum, and become five crops in the world.

The processing of fried potato strips is generally divided into the following steps: in the existing processing process of fried potato strips, since all the working procedures are carried out directly in the air, polyphenol oxidase (PPO) in the potato is easy to contact with oxygen in the air, oxidation polymerization can occur, browning can occur, the potato is darkened after browning, amino acid, protein and ascorbic acid of the potato can be damaged, the nutritional value of the potato is reduced, and furthermore, the potato has poor flavor after browning, products produced by browning have antioxidation, and harmful components such as acrylamide are harmful to human health.

Disclosure of Invention

The invention aims to provide a preparation method of fried potato strips for avoiding browning of potatoes in the processing process.

The technical scheme adopted for solving the technical problems is as follows: the preparation method of the fried potato strips comprises the following steps:

A. cleaning potato;

B. peeling the cleaned potatoes in a closed environment and washing the potatoes with clear water;

C. Transferring peeled potatoes into a closed environment for slitting;

D. heating the cut potato strips in a closed environment until the potato strips are cooked;

E. transferring the cooked potato strips to a vacuum environment for cooling;

F. carrying out microwave heating and drying treatment on the cooled potato strips in a closed environment;

G. frying the dried potato strips;

H. seasoning the fried potato strips.

Further, in the step B, inert protective gas is filled into a closed environment in the peeling treatment process; in the step C, inert protective gas is filled into a closed environment in the slitting process; in the step D, inert protective gas is filled into a closed environment in the heating process; in the step F, inert protective gas is injected into a closed environment in the microwave heating and drying process.

Further, the inert shielding gas is nitrogen.

The invention also provides a preparation device for the fried potato strips, which can realize the preparation method, and comprises a cleaning device, a peeling device, a strip cutting device, a curing device, a cooling device, a microwave drying device, a frying device and a seasoning device which are sequentially arranged;

The cleaning device comprises a conveying belt A, a driven roller A, a driving motor A, a primary cleaning tank A and a secondary cleaning tank A, wherein the conveying belt A is tightened by the driven roller A and the driving roller A, the driving motor A is used for enabling the driving roller A to rotate, the primary cleaning tank A and the secondary cleaning tank A are sequentially arranged along the running direction of the conveying belt A, the conveying belt A is of a net structure, the primary cleaning tank A comprises a first water tank A, the first water tank A is positioned between the conveying belt A on the upper layer and the conveying belt A on the lower layer, a plurality of first lower spray pipes A which are mutually parallel are arranged in the first water tank A, a plurality of first lower spray pipes A are arranged on the first lower spray pipes A at intervals, a plurality of first upper spray pipes A are arranged above the first water tank A at intervals, the first upper spray pipes A face the conveying belt A on the upper layer, and a first drain pipe A is connected with the bottom of the first water tank A; the secondary cleaning tank A comprises a second water tank A, wherein the second water tank A is positioned between an upper layer conveying belt A and a lower layer conveying belt A, a plurality of second lower spray pipes A which are mutually parallel are arranged in the second water tank A, a plurality of second lower spray pipes A are arranged on the second lower spray pipes A at intervals, the second lower spray pipes A are arranged above the second water tank A and are directed towards the upper layer conveying belt A, a plurality of second upper spray pipes A are arranged on the second upper spray pipes A at intervals, the second upper spray pipes A are directed towards the upper layer conveying belt A, the second upper spray pipes A and the second lower spray pipes A are communicated with a high-pressure water pipe, the bottom of the second water tank A is connected with a second blow-down pipe A communicated with the second upper spray pipes A, the tail end of the second blow-down pipe A is connected with a water tank A, the water inlet A is communicated with the tail end of the second blow-down pipe A, a water pipe A is connected with a water pipe A, the water pipe A is arranged on the water outlet A, the water pipe A is arranged on the water pipe A, the water pipe A is communicated with the tail end of the first blow-down pipe A, and the tail end of the water pipe A is respectively communicated with the first spray pipe A;

The peeling device comprises a sealed outer cylinder B and a driving motor B, wherein a rotary disk B is arranged in the outer cylinder B, the outer diameter of the rotary disk B is matched with the inner diameter of the outer cylinder B, a rotary shaft B is fixed at the center of the lower surface of the rotary disk B, the lower end of the rotary shaft B extends out of the outer cylinder B, an output shaft of the driving motor B is connected with the lower end of the rotary shaft B, the upper surface of the rotary disk B is wavy, the rotary disk B divides the inner part of the outer cylinder B into a peeling cavity B and a water storage cavity B, a water spray head B is arranged in the peeling cavity B, the water spray head B is positioned above the rotary disk B and faces the rotary disk B, a drainage tube B is connected onto the water spray head B, a stop valve B is arranged on the drainage tube B, the drainage tube B is connected with a high-pressure water pipe, a discharge port B is arranged on the wall of the outer cylinder B, the discharge port B is positioned above the horizontal plane where the rotary disk B is positioned, an annular sleeve B is arranged in the peeling cavity B, the outer diameter of the annular sleeve B is matched with the inner diameter of the outer cylinder body B, the inner wall surface of the annular sleeve B is a grinding surface, the upper end of the annular sleeve B is provided with a lifting device B, when the lower end of the annular sleeve B is close to a rotary table B, the annular sleeve B blocks a discharge hole B, when the annular sleeve B moves to the highest point, the discharge hole B is communicated with the peeling cavity B, a plurality of water through holes B are formed in the rotary table B, the peeling cavity B is communicated with a water storage cavity B, a water outlet B is formed in the bottom of the outer cylinder body B, a first drain pipe B is connected to the water outlet B, a first conducting valve B is arranged on the first drain pipe B, the tail end of the first drain pipe B is connected with a closed transition water tank B, the bottom of the transition water tank B is connected with a second drain pipe B communicated with the transition water tank B, the second blow-off pipe B is provided with a second conduction valve B, a transition cylinder B is arranged above the outer cylinder B, the lower end of the transition cylinder B is in sealing connection with the upper end of the outer cylinder B, the lower end of the transition cylinder B is provided with a first control valve B, and the upper end of the transition cylinder B is provided with a second control valve B;

The strip cutting device comprises a sealed shell C, wherein a grid-shaped knife array C and a plurality of baffle plates C are arranged in the shell C, the grid-shaped knife array C and the baffle plates C are formed by a horizontal pressing plate C, a telescopic cylinder C and a plurality of strip-shaped blades C, the telescopic cylinder C is fixed at the top of the shell C, a push-pull rod C of the telescopic cylinder C faces downwards, the horizontal pressing plate C is fixed at the tail end of the push-pull rod C, the strip-shaped blades C are positioned right below the horizontal pressing plate C, the cutting edges of the strip-shaped blades C are all positioned on the same horizontal plane and face the horizontal pressing plate C, the baffle plates C are arranged around the grid-shaped knife array C, the cross section of the grid-shaped knife array C is the same as the cross section of the horizontal pressing plate C, one end of the guide pipe C is in sealing connection with a discharge port B, the other end of the guide pipe C penetrates through the top edge of the baffle plates C, a baffle plate C is fixed on the horizontal pressing plate C, when the lower surface of the horizontal pressing plate C moves downwards to the lower surface of the horizontal pressing plate C contacts with the cutting edges of the strip-shaped blades C, the baffle plates C are positioned on the periphery of the grid-shaped knife array C, the guide pipe C is positioned on the discharge port C, the guide pipe C is positioned on the upper side of the guide plate C, and the guide plate C is positioned on the top of the grid C, and the guide plate C is positioned on the top of the discharge port C, and the guide plate C is positioned on the top of the grid C, and the guide plate C is positioned on the top of the discharge port C;

The curing device comprises a steam generator D, an inner cylinder D and an outer cylinder D, wherein the inner cylinder D is arranged in the outer cylinder D, a closed interlayer space D is formed between the outer cylinder D and the inner cylinder D, a steam through hole D is formed in the wall of the inner cylinder, the steam generator D is communicated with the interlayer space D through a steam pipe D, a first stop valve D is arranged at the upper end of the inner cylinder D, a second stop valve D is arranged at the lower end of the inner cylinder D, a transition cylinder D is connected at the upper end of the inner cylinder D, a hopper D is connected at the upper end of the transition cylinder D, a third stop valve D is arranged at the discharge port of the hopper D, and the feed inlet of the hopper D is in sealing connection with the discharge port C;

the cooling device comprises a closed vacuum box body E, a vacuum pump E is connected to the vacuum box body E, a discharge hole E is formed in the bottom of the vacuum box body E, a first transition barrel E is connected to the discharge hole E in a sealing mode, a first stop valve E is arranged at the upper end of the first transition barrel E, a second stop valve E is arranged at the lower end of the first transition barrel E, a second transition barrel E is arranged above the vacuum box body E, the lower end of the second transition barrel E is connected with the vacuum box body E in a sealing mode and is communicated with the interior of the vacuum box body E, a third stop valve E is arranged at the lower end of the second transition barrel E, and the upper end of the second transition barrel E is connected with the lower end of an inner barrel D in a sealing mode;

The microwave drying device comprises a closed box body G, a microwave emitter G, a microwave receiver G and a heating cylinder body G are arranged in the box body G, the upper end of the heating cylinder body G is connected with a transition cylinder body G in a sealing mode, the upper end of the transition cylinder body G extends out of the box body G and is connected with the tail end of a first transition cylinder body E in a sealing mode, the lower end of the heating cylinder body G extends out of the box body G, a second stop valve G is arranged at the lower end of the heating cylinder body G, and the microwave emitter G and the microwave receiver G are respectively arranged on two sides of the heating cylinder body G;

the frying device comprises a box body E, high-temperature edible oil is contained in the box body E, a first conveying belt E, a first driven roller E and a first driving roller E are arranged in the box body E, a plurality of first scraping plates are arranged on the surface of the first conveying belt E, the first scraping plates are arranged in parallel and are mutually perpendicular to the conveying direction of the first conveying belt E, the first conveying belt E is horizontally arranged, the first conveying belt E on the upper layer is submerged by the high-temperature edible oil, the lower end of a heating cylinder G faces the first conveying belt E, the first driven roller E and the first driving roller E tighten the first conveying belt E, a second driving roller E and a second conveying belt E are connected in the box body E, a second driving motor E is connected to the second driving roller E, a second driven roller E is arranged above the box body E, the second driven roller E is arranged at the second side of the second driven roller E, the second driven roller E is arranged in parallel to the second driven roller E, the second driven roller E is arranged on the right side of the second driven roller E, the second driven roller E is perpendicular to the second driven roller E, the second driven roller E is arranged on the right side of the second driven roller E, the second driven roller E is arranged between the second driven roller E and the second driven roller E is perpendicular to the second driven roller E, the second driven roller E is arranged between the second driven roller E is arranged on the right side of the second driven roller E, the second driven roller E is arranged between the driven roller E and the driven roller E is perpendicular to the second driven E, and the second scraping plates E is arranged, the driven and the driven by the driven roller E is arranged between the driven E is arranged, and the driven E is stretched, and can E, and can, the third driven roller E and the third driving roller E tighten the third conveying belt E;

The seasoning device comprises a seasoning roller, a third driven roller E is positioned in the seasoning roller, the seasoning roller is obliquely arranged from left to right, a funnel filled with seasonings is arranged on the left side of the seasoning roller, and a discharge hole of the funnel faces to a third conveying belt E.

Further, a plurality of filter screens A are arranged in the water tank A, and the filter screens A are sequentially arranged between the water inlet A and the water outlet A; a hopper A is arranged above the conveying belt A, a discharge hole of the hopper A faces the conveying belt A, and the hopper A is positioned at the outer side of the primary cleaning tank A; the outer side of the secondary cleaning tank A is provided with a receiving tank A, the upper end of the transition barrel B is in sealing connection with the lower end of the receiving tank A, the receiving tank A is connected with a guide tank A, one end of the guide tank A is connected with the receiving tank A, and the other end of the guide tank A extends to the outer side of the driven roller A and is in contact with the conveying belt A.

Further, the length of the blade C is the same as the width of the left space C.

Further, a collecting groove is arranged below the right end of the seasoning roller.

Further, the outer cylinder B is connected with a nitrogen pipe B for filling nitrogen into the outer cylinder B; the shell C is connected with a nitrogen pipe C for filling nitrogen into the shell C; the outer cylinder D is connected with a nitrogen pipe D for filling nitrogen into the outer cylinder D; the shell F is connected with a nitrogen pipe F for filling nitrogen into the shell F; the box G is connected with a nitrogen pipe G for filling nitrogen into the box G.

The beneficial effects of the invention are as follows: the preparation method of the fried potato strips comprises the steps of cleaning potatoes, respectively peeling, slicing, curing, cooling and microwave heating and drying the potatoes in a closed environment, and then frying and seasoning the potatoes, so that the contact probability of the potatoes with oxygen in the whole potato strip processing process is greatly reduced, the contact of polyphenol oxidase (PPO) in the potatoes with oxygen in the air can be effectively prevented, the oxidative polymerization is avoided, the browning of the potatoes can be effectively prevented, and the quality of the finally produced fried potato strips is higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the apparatus for preparing a fried potato strip in accordance with the present invention;

The figure indicates: the cleaning device 1 comprises a conveying belt A101, a driven roller A102, a driving roller A103, a driving motor A104, a primary cleaning tank A105, a first water tank A1051, a first lower spray pipe A1052, a first lower spray nozzle A1053, a first upper spray pipe A1054, a first upper spray nozzle A1055, a first blow-off pipe A1056, a secondary cleaning tank A106, a second water tank A1061, a second lower spray pipe A1062, a second lower spray nozzle A1063, a second upper spray pipe A1064, a second upper spray nozzle A1065, a second blow-off pipe A1066, a pool A1067, a water guide pipe A1068, a water pump A1069, a filter screen A107, a hopper A108, a receiving tank A109 and a guide tank A110; peeling device 2, outer cylinder B201, peeling cavity B2011, water storage cavity B2012, driving motor B202, rotary disk B203, rotary shaft B204, sprinkler bead B205, drainage tube B206, stop valve B207, discharge port B208, annular sleeve B209, lifting device B210, water passing hole B211, water discharging port B212, first drain pipe B213, first conducting valve B214, transition water tank B215, second drain pipe B216, second conducting valve B217, transition cylinder B218, first control valve B219, second control valve B220 and nitrogen pipe B221; the slicing device 3, a shell C301, a horizontal pressing plate C302, a telescopic cylinder C303, a strip-shaped blade C304, a grid-shaped knife array C305, a baffle plate C306, a push-pull rod C307, a material guide pipe C308, a baffle plate C309, a stop valve C310, a discharge hole C311, a buffer rubber pad C312 and a nitrogen pipe C313; the curing device 4, the steam generator D401, the inner cylinder D402, the outer cylinder D403, the interlayer space D404, the steam through hole D405, the first stop valve D406, the second stop valve D407, the transition cylinder D408, the hopper D409, the third stop valve D410 and the nitrogen pipe D411; the cooling device 5, the vacuum box E501, the vacuum pump E502, the discharge hole E503, the first transition cylinder E504, the first stop valve E505, the second stop valve E506, the second transition cylinder E507 and the third stop valve E508; the frying device 6, the box body E601, the first conveying belt E602, the first driven roller E603, the first driving roller E604, the first scraping plate 605, the first driving motor E606, the second driving roller E607, the second conveying belt E608, the second driving motor E609, the second driven roller E610, the second scraping plate 611, the third driving roller E612, the third driven roller E613 and the third conveying belt E614; the microwave drying device 7, a box G701, a microwave emitter G702, a microwave receiver G703, a heating cylinder G704, a transition cylinder G705, a second stop valve G707 and a nitrogen pipe G714; flavoring device 8, flavoring roller 801, funnel 802, and collection trough 803.

Detailed Description

The existing preparation method of the fried potato strips is characterized in that the potato strips are peeled, cut, cured, cooled and dried by microwave heating in a closed environment respectively after being cleaned, and then the fried potato strips are fried and seasoned, so that the contact probability of the potato with oxygen in the whole processing process of the potato strips is greatly reduced, the contact of polyphenol oxidase (PPO) in the potato with oxygen in the air is effectively prevented, the oxidation polymerization is avoided, the potato is effectively prevented, and the quality of the finally produced fried potato strips is ensured to be higher.

Specifically, the preparation method of the fried potato strips comprises the following steps:

A. cleaning potato;

B. peeling the cleaned potatoes in a closed environment and washing the potatoes with clear water;

C. Transferring peeled potatoes into a closed environment for slitting;

D. heating the cut potato strips in a closed environment until the potato strips are cooked;

E. transferring the cooked potato strips to a vacuum environment for cooling;

F. carrying out microwave heating and drying treatment on the cooled potato strips in a closed environment;

G. frying the dried potato strips;

H. seasoning the fried potato strips.

In the above embodiment, in order to thoroughly avoid the contact between the potatoes and the oxygen in the air, in the step B, inert protective gas is filled into the closed environment during the peeling treatment; in the step C, inert protective gas is filled into a closed environment in the slitting process; in the step D, inert protective gas is filled into a closed environment in the heating process; in the step F, inert protective gas is injected into a closed environment in the microwave heating and drying process. By introducing inert shielding gas in the peeling, slitting, curing and drying processes, the inert shielding gas can not react with the potatoes, so that the potatoes can be effectively prevented from browning. Further, the inert gas may be an inert gas such as argon or helium, and preferably is: the inert protective gas is nitrogen, and the nitrogen is easy to obtain and low in cost because the nitrogen is contained in the air in the largest proportion.

The invention also provides a preparation device for the fried potato strips, which can realize the preparation method, and in order to make the purposes, the technical schemes and the advantages of the embodiment of the invention more clear, the technical schemes of the embodiment of the invention are clearly and completely described below by combining the drawings in the embodiment of the invention, and obviously, the described embodiment is a part of embodiments of the invention, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

As shown in fig. 1, the preparation device of the fried potato strips comprises a cleaning device 1, a peeling device 2, a strip cutting device 3, a curing device 4, a cooling device 5, a microwave drying device 7, a frying device 6 and a seasoning device 8 which are sequentially arranged;

the cleaning device 1 comprises a conveying belt A101, a driven roller A102, a driving roller A103, a driving motor A104, a primary cleaning tank A105 and a secondary cleaning tank A106, wherein the conveying belt A101 is tightly stretched by the driven roller A102 and the driving roller A103, the driving motor A104 is used for enabling the driving roller A103 to rotate, the primary cleaning tank A105 and the secondary cleaning tank A106 are sequentially arranged along the running direction of the conveying belt A101, the conveying belt A101 is of a net-shaped structure, the primary cleaning tank A105 comprises a first water tank A1051, the first water tank A1051 is positioned between the conveying belt A101 on the upper layer and the conveying belt A101 on the lower layer, a plurality of first lower spray pipes A1052 which are mutually arranged in parallel are arranged in the first water tank A1051, a plurality of first lower spray pipes A1053 are arranged on the first lower spray pipes A1052 at intervals, a plurality of first upper spray pipes A1054 are arranged above the first water tank A1051, a plurality of first upper spray pipes A1054 are arranged on the first upper spray pipes A1054 at intervals, and the first spray pipes A1055 are connected with the first spray pipes A5 on the first upper layer and the first spray pipes A5 are connected with the first upper spray pipes A5; the secondary cleaning tank A106 comprises a second water tank A1061, the second water tank A1061 is positioned between an upper layer conveying belt A101 and a lower layer conveying belt A101, a plurality of second lower spray pipes A1062 which are mutually parallel are arranged in the second water tank A1061, a plurality of second lower spray pipes A1063 are arranged on the second lower spray pipes A1062 at intervals, the tail end of each second lower spray pipe A1063 faces the upper layer conveying belt A101, a plurality of second upper spray pipes A1064 are arranged above the second water tank A1061, a plurality of second upper spray pipes A1065 are arranged on the second upper spray pipes A1064 at intervals, the second upper spray pipes A1065 face the upper layer conveying belt A101, the second upper spray pipes A1064 and the second lower spray pipes A1062 are communicated with a high-pressure water pipe, a second drain pipe A1066 communicated with the second lower spray pipes A1066 is connected to the bottom of the second lower spray pipes A1061, a pool A7 is connected to the tail end of each second lower spray pipe A1066, a water inlet 1067A 7 is arranged on the second drain pipe A6 is communicated with the tail end of each second drain pipe A1068, and a water outlet 1068 is communicated with the water inlet 1068A 8;

The peeling device 2 comprises a sealed outer cylinder B201 and a driving motor B202, wherein a rotary table B203 is arranged in the outer cylinder B201, the outer diameter of the rotary table B203 is matched with the inner diameter of the outer cylinder B201, a rotary shaft B204 is fixed at the center of the lower surface of the rotary table B203, the lower end of the rotary shaft B204 extends out of the outer cylinder B201, an output shaft of the driving motor B202 is connected with the lower end of the rotary shaft B204, the upper surface of the rotary table B203 is wavy, the rotary table B203 is used for peeling the inner part of the outer cylinder B201 into a cavity B2011 and a water storage cavity B2012, a water spray head B205 is arranged in the peeling cavity B2011, the water spray head B205 is positioned above the rotary table B203 and faces the rotary table B203, a drainage tube B206 is connected to the water spray head B205, a stop valve B207 is arranged on the drainage tube B206 and is connected with a high-pressure water pipe, a discharge port B208 is arranged on the wall of the outer cylinder B201, the discharge port B208 is positioned above the horizontal plane of the rotary table B203, an annular sleeve B209 is arranged in the peeling cavity B2011, the outer diameter of the annular sleeve B209 is matched with the inner diameter of the outer cylinder B201, the inner wall surface of the annular sleeve B209 is a grinding surface, the upper end of the annular sleeve B209 is provided with a lifting device B210, when the lower end of the annular sleeve B209 leans into a rotary table B203, the annular sleeve B209 blocks a discharge hole B208, when the annular sleeve B209 moves up to the highest point, the discharge hole B208 is communicated with the peeling cavity B2011, a plurality of water passing holes B211 are arranged on the rotary table B203, the water passing holes B211 are communicated with the peeling cavity B2011 and a water storage cavity B2012, the bottom of the outer cylinder B201 is provided with a water outlet B212, a first drain pipe B213 is connected to the water outlet B212, a first conduction valve B214 is arranged on the first drain pipe B213, the tail end of the first drain pipe B213 is connected with a closed transition water tank B215, the bottom of the transition water tank B215 is connected with a second drain pipe B216 communicated with the transition water tank B215, a second conduction valve B217 is arranged on the second drain pipe B216, a transition barrel B218 is arranged above the outer barrel B201, the lower end of the transition barrel B218 is in sealing connection with the upper end of the outer barrel B201, a first control valve B219 is arranged at the lower end of the transition barrel B218, and a second control valve B220 is arranged at the upper end of the transition barrel B218;

The slitting device 3 comprises a sealed shell C301, a grid-shaped knife array C305 and a plurality of baffle plates C306 which are formed by a horizontal pressing plate C302, a telescopic cylinder C303 and a plurality of strip-shaped blades C304 are arranged in the shell C301, the telescopic cylinder C303 is fixed at the top of the shell C301, a push-pull rod C307 of the telescopic cylinder C303 faces downwards, the horizontal pressing plate C302 is fixed at the tail end of the push-pull rod C307, the plurality of strip-shaped blades C304 are positioned under the horizontal pressing plate C302, the cutting edges of the plurality of strip-shaped blades C304 are all positioned on the same horizontal plane and face the horizontal pressing plate C302, the plurality of baffle plates C306 are arranged around the grid-shaped knife array C305, the cross section of the grid-shaped knife array C305 is the same as the cross section of the horizontal pressing plate C302, the shell C301 is connected with a material guide pipe C308, one end of the material guide pipe C308 is in sealing connection with the material outlet B208, the other end of the material guide pipe C308 penetrates through the shell C301 and extends to the upper edge of the material baffle C306, a baffle C309 is fixed on the horizontal pressing plate C302, when the horizontal pressing plate C302 moves downwards to the lower surface of the horizontal pressing plate C302 to be in contact with the cutting edge of the strip-shaped blade C304, the baffle C309 is positioned at the material outlet of the material guide pipe C308 and is blocked, when the horizontal pressing plate C302 moves upwards to the highest point, the baffle C309 is positioned above the material outlet of the material guide pipe C308, a stop valve C310 is arranged on the material guide pipe C308, a material outlet C311 is arranged at the bottom of the shell C301, and the material outlet C311 is positioned under the grid-shaped blade array C305;

The curing device 4 comprises a steam generator D401, an inner cylinder D402 and an outer cylinder D403, wherein the inner cylinder D402 is arranged in the outer cylinder D403, a closed interlayer space D404 is formed between the outer cylinder D403 and the inner cylinder D402, a steam through hole D405 is formed in the wall of the inner cylinder, the steam generator D401 is communicated with the interlayer space D404 through a steam pipe D, a first stop valve D406 is arranged at the upper end of the inner cylinder D402, a second stop valve D407 is arranged at the lower end of the inner cylinder D402, a transition cylinder D408 is connected at the upper end of the inner cylinder D402, a hopper D409 is connected at the upper end of the transition cylinder D408, a third stop valve D410 is arranged at the discharge port of the hopper D409, and the feed inlet of the hopper D409 is in sealing connection with the discharge port C311;

the cooling device 5 comprises a sealed vacuum box body E501, a vacuum pump E502 is connected to the vacuum box body E501, a discharge hole E503 is formed in the bottom of the vacuum box body E501, a first transition cylinder body E504 is connected to the discharge hole E503 in a sealing mode, a first stop valve E505 is arranged at the upper end of the first transition cylinder body E504, a second stop valve E506 is arranged at the lower end of the first transition cylinder body E504, a second transition cylinder body E507 is arranged above the vacuum box body E501, the lower end of the second transition cylinder body E507 is connected with the vacuum box body E501 in a sealing mode and is communicated with the interior of the vacuum box body E501, a third stop valve E508 is arranged at the lower end of the second transition cylinder body E507, and the upper end of the second transition cylinder body E507 is connected with the lower end of the inner cylinder body D402 in a sealing mode;

The microwave drying device 7 comprises a closed box body G701, a microwave emitter G702, a microwave receiver G703 and a heating cylinder G704 are arranged in the box body G701, the upper end of the heating cylinder G704 is connected with a transition cylinder G705 in a sealing manner, the upper end of the transition cylinder G705 extends out of the box body G701 and is connected with the tail end of the first transition cylinder E504 in a sealing manner, the lower end of the heating cylinder G704 extends out of the box body G701, a second stop valve G707 is arranged at the lower end of the heating cylinder G704, and the microwave emitter G702 and the microwave receiver G703 are respectively arranged at two sides of the heating cylinder G704;

the frying device 6 comprises a box body E601, high-temperature edible oil is contained in the box body E601, a first conveying belt E602, a first driven roller E603 and a first driving roller E604 are arranged in the box body E601, a plurality of first scraping plates 605 are arranged on the surface of the first conveying belt E602, the first scraping plates 605 are mutually parallel and mutually perpendicular to the conveying direction of the first conveying belt E602, the first conveying belt E602 is horizontally arranged, the first conveying belt E602 on the upper layer is submerged by the high-temperature edible oil, the lower end of a heating cylinder G704 faces the first conveying belt E602, the first driven roller E603 and the first driving roller E604 tighten the first conveying belt E602, a second driving motor E607 and a second driving motor E609 for rotating the second conveying belt E608 are connected to the first driving roller E604, a second driving motor E606 for rotating the second driving roller E607 is also arranged in the box body E601, a second driven roller E610 is arranged above the box body E601, the second driven roller E607 is arranged at the right lower part of the first driven roller E603, the second driven roller E610 is arranged at the right side of the second driven roller E607, the second driven roller E610 and the second driven roller E607 tighten the second conveying belt E608, a plurality of second scraping plates 611 are arranged on the surface of the second conveying belt E608, the plurality of second scraping plates 611 are mutually parallel and mutually perpendicular to the conveying direction of the second conveying belt E608, the sum of the height of the first scraping plates 605 and the height of the second scraping plates 611 is equal to the minimum distance between the first driven roller E603 and the second driven roller E607, a third driven roller E612 is arranged at the right lower part of the second driven roller E610, a third driven roller E613 and a third conveying belt E614 are arranged at the right upper part of the box body E601, the third conveying belt E614 is horizontally arranged, the third driven roller E613 and the third driving roller E612 tighten the third conveyor belt E614;

The seasoning device 8 comprises a seasoning roller 801, the third passive roller E613 is positioned in the seasoning roller 801, the seasoning roller 801 is obliquely arranged from left to right, a funnel 802 filled with seasonings is arranged on the left side of the seasoning roller 801, and a discharge port of the funnel 802 faces to a third conveying belt E614.

The preparation device of the fried potato strips comprises a cleaning device 1, a peeling device 2, a strip cutting device 3, a curing device 4, a cooling device 5, a microwave drying device 7, a frying device 6 and a seasoning device 8 which are sequentially arranged, wherein the frying device 6 and the seasoning device 8 are all operated in a closed environment, and all devices are in sealing connection, so that the potato is subjected to other procedures except a cleaning procedure, a frying procedure and a seasoning procedure in the sealed environment, the contact probability of the potato strips with oxygen in the whole processing process is greatly reduced, the polyphenol oxidase (PPO) in the potato in the processing process is effectively prevented from being contacted with oxygen in the air, oxidation polymerization is avoided, the browning of the potato is effectively prevented, and the quality of the finally produced fried potato strips is ensured to be higher.

When the potatoes are cleaned, the potatoes to be processed are only required to be placed on the conveying belt A101, the conveying belt A101 drives the potatoes to move along the conveying belt A101 in the moving process, the potatoes sequentially pass through the primary cleaning tank A105 and the secondary cleaning tank A106 in the moving process, when the potatoes pass through the primary cleaning tank A105, high-pressure water in the first lower spray pipe A1052 below the potatoes is sprayed upwards from the first lower spray pipe A1053 to the potatoes, high-pressure water in the first upper spray pipe A1054 above the potatoes is sprayed downwards from the first upper spray pipe A1055 to the potatoes, so that the whole potatoes can be sprayed and cleaned, the potatoes after the primary cleaning process then enter the secondary cleaning tank A106, at the moment, the high-pressure water in the second lower spray pipe A1062 below the potatoes is sprayed upwards from the second lower spray pipe A1063 to the potatoes, the high-pressure water in the second upper spray pipe A1064 above the potatoes is sprayed downwards from the second upper spray pipe A1065 to the potatoes, so that the whole potatoes can be sprayed and washed, the potatoes after the secondary washing become very clean, meanwhile, the water after the primary washing falls into the first water tank A1051, most soil residues on the surfaces of the potatoes are washed out and fall into the first water tank A1051 during the primary washing, the water in the first water tank A1051 is more turbid and is directly discharged from the first drain pipe A1056, the water after the secondary washing falls into the second water tank A1061, and only little soil residues remain on the surfaces of the potatoes after the primary washing, the water in the second water tank A1061 is clear and can also be used for the primary washing of the potatoes, the water in the second water tank A1061 is discharged into the water tank A1067 through the second drain pipe A1066 connected with the bottom, then water in the pool A1067 is sent into the first upper spray pipe A1054 and the first lower spray pipe A1052 through the water guide pipe A1068 by utilizing the water pump A1069, so that the potato is cleaned once, the water consumption is reduced, and the cost is saved.

In order to avoid the residue earth in the pond A1067 to block up water pump A1069 or water conduit A1068, be provided with a plurality of filter screens A107 in the pond A1067, a plurality of filter screens A107 set gradually between water inlet A and delivery port A, like this, the water in the pond A1067 is filtered the back through a plurality of filter screens A107 earlier and is then used water pump A1069 to send into the pond A1067 water through water conduit A1068 in first upper spray pipe A1054, the first lower spray pipe A1052, like this alright effectively avoid the residue earth in the pond A1067 to block up water pump A1069 or water conduit A1068, guarantee going on smoothly of cleaning procedure.

In addition, in order to secure the filtering effect, the mesh sizes of the plurality of screens a107 become smaller in order, the screen a107 having the largest mesh is located at the water inlet a, and the screen a107 having the smallest mesh is located at the water outlet a.

In order to facilitate feeding, a hopper A108 is arranged above the conveying belt A101, a discharge hole of the hopper A108 faces the conveying belt A101, and the hopper A108 is positioned at the outer side of the primary cleaning tank A105, so that potatoes to be cleaned only need to be thrown into the hopper A108, and the operation is very convenient; meanwhile, in order to facilitate material receiving, a material receiving groove A109 is formed in the outer side of the secondary cleaning groove A106, the upper end of the transition barrel B218 is in sealing connection with the lower end of the material receiving groove A109, a material guiding groove A110 is connected to the material receiving groove A109, one end of the material guiding groove A110 is connected with the material receiving groove A109, the other end of the material guiding groove A110 extends to the outer side of the driven roller A102 and contacts with the conveying belt A101, and when the cleaned potatoes move to the end of the material guiding groove A110 along the conveying belt A101, the potatoes fall into the material receiving groove A109 along the material guiding groove A110, the whole process is automatically carried out without manual carrying, and time and labor are saved.

When peeling, the second control valve B220 arranged at the upper end of the transition barrel B218 is firstly opened, at the moment, the potatoes cleaned in the receiving groove A109 fall into the transition barrel B218, then the second control valve B220 is closed, the first control valve B219 arranged at the lower end of the transition barrel B218 is opened, the potatoes in the transition barrel B218 fall into the peeling cavity B2011, at the moment, the lower end of the annular sleeve B209 leans into the rotary table B203, the discharge port B208 is blocked by the annular sleeve B209, the driving motor B202 drives the rotary shaft B204 to rotate so as to drive the rotary table B203 to rotate, the rotary table B203 can throw the potatoes into contact with and rub the inner surface of the annular sleeve B209 in the rotating process, the surfaces of the potatoes are rubbed off in the contact with the annular sleeve B209 in the rubbing process due to the fact that the inner wall surface of the annular sleeve B209 is the grinding surface, and simultaneously, the sprinkler head B205 arranged in the peeling cavity B2011 sprays high-pressure water flow to flush the potato, the scraped potato skin is flushed from the surface of the potato and flows into the water storage cavity B2012 through the plurality of water through holes B211 arranged on the rotary table B203, when the water in the water storage cavity B2012 is excessive, the first conduction valve B214 arranged on the first drain pipe B213 is opened, the water in the water storage cavity B2012 flows into the transition water tank B215 along the first drain pipe, then the first conduction valve B214 is closed, the second conduction valve B217 arranged on the second drain pipe B216 is opened, the water in the transition water tank B215 is discharged along the second drain pipe B216, after the potato skin is removed completely, the annular sleeve B209 is lifted by the lifting device B210, the discharge hole B208 is communicated with the peeling cavity B2011, at the moment, the rotary table B203 is continuously rotated to throw the peeled potato out from the discharge hole B208 along the material guide pipe C306 and falls into the shell C301, this peeling apparatus 2 is peeled effectually, simultaneously, can separate potato and epidermis, and furthermore, through setting up transition barrel B218 and transition water tank B215, simultaneously feed inlet C304 and discharge gate B208 pass through passage C306 sealing connection, can make the inside nearly not contact with outside air of urceolus body B201, can effectively Prevent Polyphenol Oxidase (PPO) in peeling process potato and the oxygen contact in the air, avoid taking place oxidative polymerization, can effectively prevent potato browning to guarantee that the potato strip quality of finally producing is higher.

In order to further Prevent Polyphenol Oxidase (PPO) in the potato from contacting with oxygen in the air during peeling and avoid oxidative polymerization, the outer cylinder B201 is connected with a nitrogen pipe B221 for filling nitrogen into the outer cylinder B201; in the peeling process, nitrogen is used as a protective gas, so that the potato browning can be effectively prevented, and the quality of the finally produced potato strips is ensured to be higher. Meanwhile, the nitrogen is contained in the air in the largest proportion, so that the nitrogen is easy to obtain and has lower cost.

When the slitting treatment is carried out, potatoes thrown out from the discharge hole B208 enter the material guide pipe C308, the material guide pipe C308 is opened firstly, the stop valve C310 is arranged on the material guide pipe C308, the potatoes in the material guide pipe C308 slide down to the upper surface of the grid-shaped knife array C305, at the moment, the telescopic cylinder C303 acts to enable the push-pull rod C307 to move downwards to push the horizontal pressing plate C302 to move downwards, the horizontal pressing plate C302 drives the baffle C309 to move downwards in the downward movement process, when the horizontal pressing plate C302 contacts with the potatoes and continues to move downwards, the potatoes are cut into strips by the grid-shaped knife array C305, fall from the clearance of the grid-shaped knife array C305 and then fall into the hopper D409 from the discharge hole C311, when the horizontal pressing plate C302 moves downwards until the lower surface of the horizontal pressing plate C302 contacts with the cutting edge of the strip-shaped knife array C304, the baffle C309 is positioned at the discharge hole of the material guide pipe C308 and is blocked up, the potatoes do not slide down to the surface of the grid-shaped knife array C305 again, then, the telescopic cylinder C303 acts to enable the push-pull rod C307 to move upwards, the horizontal pressing plate C302 is pulled to move upwards, the horizontal pressing plate C302 drives the baffle C309 to move upwards in the upward movement process, when the horizontal pressing plate C302 moves upwards to the highest point, the baffle C309 is positioned above the discharge port of the material guiding pipe C308, at the moment, potatoes in the material guiding pipe C308 continue to slide to the upper surface of the grid-shaped knife array C305 to carry out the next slitting action, the whole slitting process can be continuously and automatically carried out, the slitting effect is better, in addition, the material guiding pipe C308 is in sealing connection with the discharge port B208, the material guiding pipe C308 is provided with the stop valve C310, the feed port of the hopper D409 is in sealing connection with the discharge port C311, the interior of the shell C301 is hardly contacted with the outside air, polyphenol oxidase (PPO) in the slitting process can be effectively prevented from contacting with oxygen in the air, the oxidation polymerization is avoided, and the browning of the potatoes can be effectively prevented, so that the quality of the finally produced fried potato strips is ensured to be higher.

Further, in order to avoid the potato strips from being crushed by the horizontal pressing plate C302, a layer of buffer rubber cushion C312 is disposed on the lower surface of the horizontal pressing plate C302.

In addition, in order to further Prevent Polyphenol Oxidase (PPO) in the potato from contacting with oxygen in the air during the slicing process and avoid oxidative polymerization, a nitrogen pipe C313 for filling nitrogen into the casing C301 is connected to the casing C301; in the process of slicing, nitrogen is used as protective gas, so that the potato browning can be effectively prevented, and the quality of the finally produced fried potato strips is ensured to be higher. Meanwhile, the nitrogen is contained in the air in the largest proportion, so that the nitrogen is easy to obtain and has lower cost.

When the potatoes are cooked, the third stop valve D410 arranged at the discharge hole of the hopper D409 is firstly opened, so that the potato chips in the hopper D409 fall into the transition barrel D408, then the third stop valve D410 is closed, then the first stop valve D406 is opened, so that the potato chips in the transition barrel D408 fall into the inner barrel D402, and the first stop valve D406 is closed, at the moment, the steam generator D401 works to generate high-temperature steam, the high-temperature steam flows into the interlayer space D404 along the steam pipe D, then the high-temperature steam enters the inner barrel D402 through the steam through hole D405 to be in contact with the potato chips and heat and cook the potato chips, after the potato chips are heated to be cooked, the second stop valve D407 arranged at the lower end of the inner barrel D402 is opened, and the cooked potato chips fall into the second transition barrel E507.

In addition, in order to further Prevent Polyphenol Oxidase (PPO) in the potato from contacting with oxygen in the air during the ripening process and avoid oxidation polymerization, a nitrogen pipe D411 for filling nitrogen into the outer cylinder D403 is connected to the outer cylinder D403; in the curing process, nitrogen is used as a protective gas, so that the potato browning can be effectively prevented, and the quality of the finally produced potato strips is ensured to be higher. Meanwhile, the nitrogen is contained in the air in the largest proportion, so that the nitrogen is easy to obtain and has lower cost.

When the potatoes are cooled, a third stop valve E508 arranged at the lower end of the second transition barrel E507 is firstly opened, the cooked high-temperature potato strips fall into a vacuum box E501, then the third stop valve is closed, a vacuum pump E502 is opened, the vacuum box E501 is vacuumized, the high-temperature potato strips are rapidly cooled in the vacuum environment, when the potato strips are cooled to room temperature, the first stop valve E is opened, the potato strips in the vacuum box E501 fall into a first transition barrel E504, then the first stop valve E is closed, the second stop valve is opened, the potato strips fall into a guide groove F612, the cooling device 5 cools the potatoes in the vacuum environment, and due to the fact that the temperature is very low in the vacuum environment, the potatoes are rapidly cooled, the cooling effect is good, meanwhile, in the vacuum environment, polyphenol oxidase (PPO) of the potatoes in the cooling process is effectively prevented from being in contact with oxygen in the air, the potatoes is prevented from being oxidized and polymerized, the potatoes can be effectively prevented, and the quality of the finally produced potatoes is ensured to be higher.

When the potato strips are subjected to microwave heating and drying, the second stop valve E506 is firstly opened, so that the potato strips in the first transition barrel E504 fall into the transition barrel G705 and then fall into the heating barrel G704, then the second stop valve E506 is closed, at the moment, the microwave emitter G702 and the microwave receiver G703 are opened, microwaves penetrate through the heating barrel G704, the potato strips in the heating barrel G704 are heated and dried, when the drying is finished, the dried potato strips are obtained, the microwave drying device 7 utilizes microwaves to dry and heat the potato strips, moisture contained in the potato strips can be quickly removed, the drying effect is good, meanwhile, the whole drying and heating process can be carried out in a closed environment through the transition barrel G705, the polyphenol oxidase (PPO) of the potato in the drying and heating process is effectively prevented from being contacted with oxygen in the air, the oxidation polymerization is avoided, the potato strips can be effectively prevented, and the brown stain quality of the finally produced potato strips is ensured to be higher.

In addition, in order to further Prevent Polyphenol Oxidase (PPO) in the potato from contacting oxygen in the air in the drying process and avoid oxidation polymerization, a nitrogen pipe G714 for filling nitrogen into the box G701 is connected to the box G701, and in the microwave heating and drying process, the nitrogen is used as a protective gas, so that the potato can be effectively prevented from browning, and the quality of the finally produced potato strips is ensured to be higher. Meanwhile, the nitrogen is contained in the air in the largest proportion, so that the nitrogen is easy to obtain and has lower cost.

When the drying is finished, the dried potato strips are fried, when the potato strips are fried, the second stop valve G707 is firstly opened, so that the dried potato strips in the heating cylinder G704 fall into a gap between the first scraping plates 605 arranged on the first conveying belt E602, as the first conveying belt E602 on the upper layer is submerged by high-temperature edible oil, the dried potato strips fall on the first conveying belt E602 and start to be fried, meanwhile, the first driving motor E606 drives the first driving roller E604 to rotate, the first driving roller E604 drives the first conveying belt E602 to rotate and simultaneously conveys the potato strips to the second conveying belt E608, the potato strips are gradually fried to golden yellow in the conveying process, when the potato strips move to the right end of the first conveying belt E602, the potato strips fall into the gap between the second scraping plates 611 arranged on the second conveying belt E608, the potato strips gradually fall into high-temperature edible oil under the conveying belt E608, the edible oil drops off the surface of the second conveying belt E608, meanwhile, the potato strips are not dropped from the second conveying belt E608 to the right end of the third conveying belt E614, and the potato strips are completely filled with seasoning bags 801, and the potato strips can be completely filled with the seasoning bags 801 after the potato strips are completely and are completely removed from the third conveying belt E614.

In addition, in order to facilitate the collection of processed potato chips, a collection trough 803 is provided below the right end of the seasoning drum 801.

Claims (4)

1. A preparation facilities of fried potato strips, characterized in that: comprises a cleaning device (1), a peeling device (2), a slitting device (3), a curing device (4), a cooling device (5), a microwave drying device (7), a frying device (6) and a seasoning device (8) which are sequentially arranged;

the cleaning device (1) comprises a conveying belt A (101), a driven roller A (102), a driving roller A (103), a driving motor A (104), a primary cleaning tank A (105) and a secondary cleaning tank A (106), wherein the conveying belt A (101) is tightly stretched by the driven roller A (102) and the driving roller A (103), the driving motor A (104) is used for enabling the driving roller A (103) to rotate, the primary cleaning tank A (105) and the secondary cleaning tank A (106) are sequentially arranged along the running direction of the conveying belt A (101), the conveying belt A (101) is of a net-shaped structure, the primary cleaning tank A (105) comprises a first water tank A (1051), the first water tank A (1051) is positioned between the conveying belt A (101) on the upper layer and the conveying belt A (101) on the lower layer, a plurality of first lower spray pipes A (1052) which are mutually parallel are arranged in the first water tank A (1051), a plurality of first lower spray nozzles A (1053) are arranged on the first lower spray pipes (1052), the first lower spray nozzles A (1053) are arranged on the first spray pipes (1054) on the first spray pipes (101) on the first water tank A (1054) on the first spray pipes (101), the bottom of the first water tank A (1051) is connected with a first blow-down pipe A (1056) communicated with the first water tank A; the secondary washing tank A (106) comprises a second water tank A (1061), the second water tank A (1061) is located between an upper layer conveying belt A (101) and a lower layer conveying belt A (101), a plurality of second lower spray pipes A (1062) which are mutually parallel are arranged in the second water tank A (1061), a plurality of second lower spray pipes A (1063) are arranged on the second lower spray pipes A (1062) at intervals, the second lower spray pipes A (1063) face the upper layer conveying belt A (101), a plurality of second upper spray pipes A (1064) are arranged above the second water tank A (1061), a plurality of second upper spray pipes A (1065) are arranged on the second upper spray pipes A (1064) at intervals, the second upper spray pipes A (1065) face the upper layer conveying belt A (101), the second lower spray pipes A (1062) are communicated with a high-pressure water pipe, the bottom of the second water tank A (1061) is connected with a second drain pipe A (1068), a drain pipe A (1068) is connected with a drain pipe A (1068), a drain pipe (6A (1068) is arranged at the tail end of the drain pipe A (1068), a drain pipe (6A (1068) is connected with the drain pipe A (1068), and a drain pipe (6) is connected with the drain pipe A (1068) and the drain pipe (6) The first lower spray pipe A (1052) is communicated, a plurality of filter screens A (107) are arranged in the water pool A (1067), the filter screens A (107) are sequentially arranged between the water inlet A and the water outlet A, the mesh sizes of the filter screens A (107) are sequentially reduced, the filter screen A (107) with the largest mesh is positioned at the water inlet A, and the filter screen A (107) with the smallest mesh is positioned at the water outlet A; a hopper A (108) is arranged above the conveying belt A (101), a discharge hole of the hopper A (108) faces the conveying belt A (101), and the hopper A (108) is positioned outside the primary cleaning tank A (105); the outer side of the secondary cleaning tank A (106) is provided with a receiving tank A (109), the upper end of a transition barrel B (218) is in sealing connection with the lower end of the receiving tank A (109), the receiving tank A (109) is connected with a guide tank A (110), one end of the guide tank A (110) is connected with the receiving tank A (109), and the other end of the guide tank A (110) extends to the outer side of the driven roller A (102) and is in contact with the conveying belt A (101);

The peeling device (2) comprises an airtight outer cylinder body B (201) and a driving motor B (202), a rotary table B (203) is arranged in the outer cylinder body B (201), the outer diameter of the rotary table B (203) is matched with the inner diameter of the outer cylinder body B (201), a rotary shaft B (204) is fixed at the center of the lower surface of the rotary table B (203), the lower end of the rotary shaft B (204) extends out of the outer cylinder body B (201), an output shaft of the driving motor B (202) is connected with the lower end of the rotary shaft B (204), the upper surface of the rotary table B (203) is wave-shaped, the rotary table B (203) divides the inner part of the outer cylinder body B (201) into a peeling cavity B (2011) and a water storage cavity B (2012), a water spray head B (205) is arranged in the peeling cavity B (2011), the water spray head B (205) is positioned above the rotary table B (203) and faces the rotary table B (203), a drain tube B (206) is connected to the rotary table B (205), a drain tube B (206) is arranged on the drain tube B (206), a drain tube B (208) is connected with a water discharge port (209) on the water discharge port (201) of the rotary table B, the outer diameter of the annular sleeve B (209) is matched with the inner diameter of the outer cylinder body B (201), the inner wall surface of the annular sleeve B (209) is a grinding surface, the upper end of the annular sleeve B (209) is provided with a lifting device B (210), when the lower end of the annular sleeve B (209) leans against the rotary disc B (203), the annular sleeve B (209) blocks a discharge hole B (208), when the annular sleeve B (209) moves upwards to the highest point, the discharge hole B (208) is communicated with a peeling cavity B (2011), the rotary disc B (203) is provided with a plurality of water passing holes B (211), the water passing holes B (211) are communicated with a water storage cavity B (2012), the bottom of the outer cylinder body B (201) is provided with a water outlet B (212), a first drain pipe B (213) is connected to the water outlet B (212), the tail end of the first drain pipe B (213) is connected with a closed transition water tank B (215), the bottom of the first drain pipe B (213) is connected with a second drain pipe (216), the second drain pipe (216) is connected with a second drain pipe (216) and the second drain pipe (216) is communicated with the second drain pipe (216), the lower end of the transition barrel body B (218) is in sealing connection with the upper end of the outer barrel body B (201), a first control valve B (219) is arranged at the lower end of the transition barrel body B (218), and a second control valve B (220) is arranged at the upper end of the transition barrel body B (218);

The slitting device (3) comprises a sealed shell C (301), a horizontal pressing plate C (302), a telescopic cylinder C (303) and a grid-shaped knife array C (305) formed by a plurality of strip-shaped blades C (304) are arranged in the shell C (301), a plurality of baffle plates C (306) are arranged around the grid-shaped knife array C (305), a push-pull rod C (307) of the telescopic cylinder C (303) faces downwards, the horizontal pressing plate C (302) is fixed at the tail end of the push-pull rod C (307), a layer of buffer rubber cushion C (312) is arranged on the lower surface of the horizontal pressing plate C (302), a plurality of strip-shaped blades C (304) are positioned under the horizontal pressing plate C (302), the cutting edges of the strip-shaped blades C (304) are all positioned on the same horizontal plane and face the horizontal pressing plate C (302), the baffle plates C (306) are arranged around the grid-shaped knife array C (305), the cross section of the grid-shaped knife array C (305) is the same as that of the horizontal pressing plate C (302), the shell C (301) is connected with a layer of buffer rubber cushion C (312), a material guide pipe C (308) is connected with the upper end of the horizontal pressing plate C (301), a material guide pipe (308) extends to the upper end of the baffle plate C (308), and a material guide pipe (308) extends to the upper end of the horizontal pressing plate (301) and passes through the upper end of the baffle plate C (308), when the horizontal pressing plate C (302) moves downwards to the position that the lower surface of the horizontal pressing plate C (302) is in contact with the cutting edge of the strip-shaped blade C (304), the baffle C (309) is positioned at the discharge hole of the material guide pipe C (308) and is used for blocking the material guide pipe C (308), when the horizontal pressing plate C (302) moves upwards to the highest point, the baffle C (309) is positioned above the discharge hole of the material guide pipe C (308), the material guide pipe C (308) is provided with a stop valve C (310), the bottom of the shell C (301) is provided with a discharge hole C (311), and the discharge hole C (311) is positioned under the grid-shaped blade array C (305);

The curing device (4) comprises a steam generator D (401), an inner cylinder D (402) and an outer cylinder D (403), wherein the inner cylinder D (402) is arranged in the outer cylinder D (403), a closed interlayer space D (404) is formed between the outer cylinder D (403) and the inner cylinder D (402), a steam through hole D (405) is formed in the wall of the inner cylinder, the steam generator D (401) is communicated with the interlayer space D (404) through a steam pipe D, a first stop valve D (406) is arranged at the upper end of the inner cylinder D (402), a second stop valve D (407) is arranged at the lower end of the inner cylinder D (402), a transition cylinder D (408) is connected at the upper end of the inner cylinder D (402), a hopper D (409) is connected at the upper end of the transition cylinder D (408), a third stop valve D (410) is arranged at the discharge port of the hopper D (409), and a feed port of the hopper D (409) is connected with a discharge port C (311) in a sealing manner;

the cooling device (5) comprises a closed vacuum box body E (501), a vacuum pump E (502) is connected to the vacuum box body E (501), a discharge hole E (503) is formed in the bottom of the vacuum box body E (501), a first transition cylinder body E (504) is connected to the discharge hole E (503) in a sealing mode, a first stop valve E (505) is arranged at the upper end of the first transition cylinder body E (504), a second stop valve E (506) is arranged at the lower end of the first transition cylinder body E (504), a second transition cylinder body E (507) is arranged above the vacuum box body E (501), the lower end of the second transition cylinder body E (507) is connected with the vacuum box body E (501) in a sealing mode and is communicated with the interior of the vacuum box body E (501), a third stop valve E (508) is arranged at the lower end of the second transition cylinder body E (507), and the upper end of the second transition cylinder body E (507) is connected with the lower end of an inner cylinder body D (402) in a sealing mode;

The microwave drying device (7) comprises a closed box body G (701), a microwave emitter G (702), a microwave receiver G (703) and a heating cylinder body G (704) are arranged in the box body G (701), a transition cylinder body G (705) is connected to the upper end of the heating cylinder body G (704) in a sealing mode, the upper end of the transition cylinder body G (705) extends out of the box body G (701) and is connected with the tail end of a first transition cylinder body E (504) in a sealing mode, the lower end of the heating cylinder body G (704) extends out of the box body G, a second stop valve G (707) is arranged at the lower end of the heating cylinder body G (704), and the microwave emitter G (702) and the microwave receiver G (703) are respectively arranged on two sides of the heating cylinder body G (704);

the frying device (6) comprises a box body E (601), high-temperature edible oil is contained in the box body E (601), a first conveying belt E (602), a first driven roller E (603) and a first driving roller E (604) are arranged in the box body E (601), a plurality of first scraping plates (605) are arranged on the surface of the first conveying belt E (602), the first scraping plates (605) are arranged in parallel and are perpendicular to the conveying direction of the first conveying belt E (602), the first conveying belt E (602) of the first conveying belt E (602) is horizontally arranged, the first conveying belt E (602) of the upper layer is submerged by the high-temperature edible oil, the lower end of a heating roller G (704) faces the first conveying belt E (602), the first driven roller E (603) and the first driving roller E (604) stretch the first conveying belt E (602), a first driving motor E (606) is connected to the first driving roller E (604) for rotating the first driving motor E (607), a second driving motor E (607) is also arranged in the box body E (601), a second driving roller E (603) is connected to the second driving roller E (609) of the second driving roller E (609) which is arranged on the right side of the box body (610), the second driven roller E (610) is arranged on the right side of the second driving roller E (607), the second driven roller E (610) and the second driving roller E (607) tighten the second conveying belt E (608), a plurality of second scraping plates (611) are arranged on the surface of the second conveying belt E (608), the second scraping plates (611) are mutually parallel and mutually perpendicular to the conveying direction of the second conveying belt E (608), the sum of the height of the first scraping plates (605) and the height of the second scraping plates (611) is equal to the minimum distance between the first driven roller E (603) and the second driving roller E (607), a third driving roller E (612) is arranged at the right lower part of the second driven roller E (610), a third driven roller E (613), a third conveying belt E (614) is arranged at the right upper part of the box E (601), and the third driven roller E (614) tightens the third conveying belt E (614);

The seasoning device (8) comprises a seasoning roller (801), a third passive roller E (613) is located in the seasoning roller (801), the seasoning roller (801) is obliquely arranged from left to right, a funnel (802) filled with seasonings is arranged on the left side of the seasoning roller (801), and a discharge hole of the funnel (802) faces to a third conveying belt E (614).

2. The apparatus for preparing fried potato strips as claimed in claim 1, wherein: the length of the blade C (304) is the same as the width of the left space C (3011).

3. The apparatus for preparing fried potato strips as claimed in claim 1, wherein: a collecting groove (803) is arranged below the right end of the seasoning roller (801).

4. The apparatus for preparing fried potato strips as claimed in claim 1, wherein: the outer cylinder B (201) is connected with a nitrogen pipe B (221) for filling nitrogen into the outer cylinder B (201); a nitrogen pipe C (313) for filling nitrogen into the shell C (301) is connected to the shell C (301); a nitrogen pipe D (411) for filling nitrogen into the outer cylinder D (403) is connected to the outer cylinder D (403); the box body G (701) is connected with a nitrogen pipe G (714) for filling nitrogen into the box body G (701).