CN105533557B

CN105533557B - A production line for potato powder

Info

Publication number: CN105533557B
Application number: CN201610002433.XA
Authority: CN
Inventors: 巩发永; 彭徐; 李静; 臧海波; 花旭斌; 华劲松; 戴红燕
Original assignee: Xichang College
Current assignee: Xichang College
Priority date: 2016-01-01
Filing date: 2016-01-01
Publication date: 2023-09-08
Anticipated expiration: 2036-01-01
Also published as: CN105533557A

Abstract

The invention discloses a production line for potato powder, which is used for avoiding browning of potatoes in the processing process. This a production line for potato powder comprises belt cleaning device, peeling apparatus, section device, curing device, cooling device, mud making device, the microwave drying device that sets gradually, each device all works in inclosed environment, all sealing connection between each device simultaneously for the potato is except wasing the process, and other processes all go on in sealed environment, from guaranteeing the potato in whole course of working with the probability greatly reduced of oxygen contact, can effectively prevent the polyphenol oxidase (PPO) in the course of working potato and the oxygen contact in the air, avoid taking place oxidative polymerization, can effectively prevent the potato browning, thereby guarantee that the potato powder quality of finally producing is higher. Is suitable for popularization and application in the technical field of potato processing.

Description

A production line for potato powder

Technical Field

The invention relates to the technical field of potato processing, in particular to a production line for potato powder.

Background

Potato, which belongs to perennial herbs of the Solanaceae family, tubers are edible, are the third most important food crops worldwide, and are inferior to wheat and corn. Potatoes are also known as ground eggs, potatoes, sweet potatoes, etc., tubers of plants of the Solanaceae family. And wheat, corn, rice and sorghum, and become five crops in the world.

The potato powder processing is generally divided into the following steps: in the existing potato powder processing process, because 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 occurs, meanwhile, 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, and products produced by the browning have antioxidation effect, and harmful components such as acrylamide are harmful to human health.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a production line for potato powder, which can avoid browning of potatoes during processing.

The technical scheme adopted for solving the technical problems is as follows: the production line for potato powder comprises a cleaning device, a peeling device, a slicing device, a curing device, a cooling device, a mud making device and a microwave drying 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 slicing device comprises a closed shell C, a conveying belt C, a driven roller C, a driving roller C, a first driving motor C, a driving roller C and a second driving motor C are arranged in the shell C, the driven roller C and the driving roller C tighten the conveying belt C, the driving motor C is used for enabling the driving roller C to rotate, the driving roller C is located above the conveying belt C, the second driving motor C is used for enabling the driving roller C to rotate, a plurality of annular blades C are sleeved on the driving roller C and are arranged in parallel with each other, a layer of buffer cushion C is arranged on the surface of the conveying belt C, a plurality of cutter slots C are arranged on the surface of the buffer cushion C, the number of the cutter slots C is the same as that of the annular blades C and correspond to that of the annular blades C one by one, the cutting edges of the annular blades C are located in the cutter slots C, a feed inlet C is formed in the top of the shell C, the feed inlet C and a discharge port B are in sealing connection through a guide pipe C, one end of the guide groove C is connected with the feed inlet C, the other end of the guide groove C extends to the upper side of the conveying belt C, the other end of the guide groove C extends to the buffer cushion C, the other end of the guide groove C extends to the outer side of the driven roller C, and the other end of the guide groove C extends to the end of the driven roller C is arranged on the outer side of the driven roller C, and extends to the end of the buffer cushion C, and the end of the driven roller C extends to the end C is arranged on the end of the end C is in contact with the end of the side of the driven roller C is arranged;

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 a discharge pipe 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 mud making device comprises a sealed cylindrical shell F, a rotating shaft F is arranged in the cylindrical shell F, one end of the rotating shaft F extends out of the cylindrical shell F and is connected with a driving motor F for driving the rotating shaft F to rotate, the axial lead of the rotating shaft F coincides with the central axis of the cylindrical shell F, a spiral pushing plate F is arranged on the rotating shaft F, the spiral pushing plate F, the surface of the rotating shaft F and the inner surface of the cylindrical shell F jointly enclose a spiral channel F, a feeding port F and a discharging port F are formed in the cylindrical shell F, the feeding port F is communicated with one end of the spiral channel F, the feeding port F is in sealing connection with the lower end of a second transition cylinder E, the discharging port F is communicated with the other end of the spiral channel F, a discharging pipe F is connected to the discharging port F, the tail end of the discharging pipe F extends out of the cylindrical shell F, and a stop valve F is arranged at the tail end of the discharging pipe F; the mud making device comprises a rotary shaft F, a discharging hole F is formed in the rotary shaft F, the rotary shaft F is sleeved with the rotary shaft F, the outer diameter of the small diameter end of the rotary shaft F is identical to that of the rotary shaft F, the small diameter end of the rotary shaft F faces to a spiral channel F, the outer diameter of the large diameter end of the rotary shaft F is smaller than the inner diameter of a columnar shell F by 0.5-1mm, a pre-cutting device F is arranged in the spiral channel F, the pre-cutting device F comprises a fixed frame F, the fixed frame F is fixed on a spiral pushing plate F, and a grid-shaped cutter array F formed by a plurality of blades is arranged in the fixed frame F;

The microwave drying device comprises a sealed box G, a microwave emitter G, a microwave receiver G and a heating cylinder G are arranged in the box G, the upper end of the heating cylinder G is connected with a transition cylinder G in a sealing mode, the upper end of the transition cylinder G extends out of the box G and is in sealing connection with the tail end of a discharging pipe F, a first stop valve G is arranged at the lower end of the transition cylinder G, the lower end of the heating cylinder G extends out of the box G and is provided with a second stop valve G at the lower end of the heating cylinder G, and the microwave emitter G and the microwave receiver G are respectively arranged at two sides of the heating cylinder G.

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, a scraping plate C is arranged on the inner wall of the shell C, one end of the scraping plate C is fixed on the inner wall of the shell C, a plurality of notches are formed in the other end of the scraping plate C, the number of the notches is the same as that of the annular blades C, the positions of the notches are in one-to-one correspondence, and the cutting edges of the annular blades C are located in the notches.

Further, a plurality of scrapers F are arranged on the outer surface of the frustum F, and an included angle between each scraper F and a bus of the frustum F is 30-60 degrees.

Further, a vibrating screen G is arranged below the box body G, a vibrating motor G is connected to the vibrating screen G, and the vibrating screen G is connected with the box body G through an elastic element G.

Further, a first receiving groove G and a second receiving groove G are arranged below the vibrating screen G, the first receiving groove G is arranged right below the vibrating screen G, the vibrating screen G is obliquely arranged, the right end of the vibrating screen G is more than the distance from the left end to the ground, the second receiving groove G is arranged on the left side of the vibrating screen G, the left end of the vibrating screen G is connected with a guide plate G, and the right end of the guide plate G extends into the second receiving groove G.

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: this a production line for potato powder comprises belt cleaning device, peeling apparatus, section device, curing device, cooling device, mud making device, the microwave drying device that sets gradually, each device all works in inclosed environment, all sealing connection between each device simultaneously for the potato is except wasing the process, and other processes all go on in sealed environment, from guaranteeing the potato in whole course of working with the probability greatly reduced of oxygen contact, can effectively prevent the polyphenol oxidase (PPO) in the course of working potato and the oxygen contact in the air, avoid taking place oxidative polymerization, can effectively prevent the potato browning, thereby guarantee that the potato powder quality of finally producing 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 view of a potato powder manufacturing line in accordance with the present invention;

FIG. 2 is a schematic partial cross-sectional view of the slicing apparatus of 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 conveying belt C302, a driven roller C303, a driving roller C304, a first driving motor C305, a driving roller C306, a second driving motor C307, an annular blade C308, a buffer cushion C309, a knife slot C310, a feed inlet C311, a feed guide pipe C312, a discharge pipe C313, a stop valve C314, a nitrogen pipe C315, a feed guide groove C316 and a scraping plate C317; 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 mud making device comprises a mud making device 6, a columnar shell F601, a rotating shaft F602, a driving motor F603, a spiral pushing plate F604, a spiral channel F605, a feed inlet F606, a discharge outlet F607, a mud making structure F608, a frustum F6081, a scraping plate F6082, a pre-cutting device F609, a fixed frame F6091, a grid-shaped knife array F6092, a discharge pipe F610, a stop valve F611 and a nitrogen pipe F612; the microwave drying device 7, a box body G701, a microwave emitter G702, a microwave receiver G703, a heating cylinder G704, a transition cylinder G705, a first stop valve G706, a second stop valve G707, a vibrating screen G708, a vibrating motor G709, an elastic element G710, a first receiving groove G711, a second receiving groove G712, a material guide plate G713 and a nitrogen pipe G714.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present 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 and 2, the production line for potato powder comprises a cleaning device 1, a peeling device 2, a slicing device 3, a curing device 4, a cooling device 5, a mud making device 6 and a microwave drying device 7 which are arranged in sequence;

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 the upper layer conveying belt A101 and the 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, and a plurality of second lower spray nozzles are arranged on the second lower spray pipes A1062 at intervals

The water tank A1061 is characterized by comprising an A1063, wherein the second lower nozzle A1063 faces the upper layer of the 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 of the conveying belt A101, the second upper spray pipes A1064 and the second lower spray pipes A1062 are both communicated with a high-pressure water pipe, the bottom of the second water tank A1061 is connected with a second drain pipe A1066 communicated with the second upper spray pipes A1064, the tail end of the second drain pipe A1066 is connected with a pool A1067, a water inlet A and a water outlet A are arranged on the pool A1067, the water inlet A is communicated with the tail end of the second drain pipe A1066, a water diversion pipe A1068 is connected with a water pump A1069 arranged on the water diversion pipe A1068, and the tail ends of the water diversion pipe A1068 are respectively communicated with the first upper spray pipes A1054 and the first lower spray pipes A1052;

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 slicing device 3 comprises a sealed shell C301, a conveying belt C302, a driven roller C303, a driving roller C304, a first driving motor C305, a driving roller C306 and a second driving motor C307 are arranged in the shell C301, the driven roller C303 and the driving roller C304 tighten the conveying belt C302, the driving motor C305 is used for enabling the driving roller C304 to rotate, the driving roller C306 is positioned above the conveying belt C302, the second driving motor C307 is used for enabling the driving roller C306 to rotate, a plurality of annular blades C308 are sleeved on the driving roller C306, the plurality of annular blades C308 are arranged in parallel with each other, a layer of buffer C309 is arranged on the surface of the conveying belt C302, a plurality of knife grooves C310 are arranged on the surface of the buffer C309, the number of the knife grooves C310 corresponds to the number of the annular blades C308 one by one, the knife edges of the annular blades C308 are positioned in the knife grooves C310, a feed inlet C311 is formed in the top of the shell C301, the feed inlet C311 is connected with a discharge pipe B208 through a guide pipe C312, the guide pipe C311 is connected with the outer side of the shell C301, the other end of the guide pipe C316 is connected with the guide pipe C316, and extends to the other end of the guide pipe C313, and is connected with the end of the guide pipe C313, and extends to the end of the guide pipe C313;

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 sealed 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 port of the hopper D409 is in sealing connection with the tail end of the discharge pipe C313;

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 mud making device 6 comprises a sealed cylindrical shell F601, a rotating shaft F602 is arranged in the cylindrical shell F601, one end of the rotating shaft F602 extends out of the cylindrical shell F601 and is connected with a driving motor F603 for driving the rotating shaft F602 to rotate, the axial lead of the rotating shaft F602 coincides with the central axis of the cylindrical shell F601, a spiral pushing plate F604 is arranged on the rotating shaft F602, the spiral pushing plate F604 and the surface of the rotating shaft F602 and the inner surface of the cylindrical shell F601 jointly enclose a spiral channel F605, a feeding port F606 and a discharging port F607 are formed in the cylindrical shell F601, the feeding port F606 is communicated with one end of the spiral channel F605, the feeding port F606 is connected with the lower end of the second transition cylinder E507 in a sealing manner, the discharging port F607 is communicated with the other end of the spiral channel F5, a discharging pipe F610 is connected to the discharging port F602, the tail end of the discharging pipe F610 extends out of the cylindrical shell F601, and a stop valve F611 is arranged at the tail end of the discharging pipe F610; the mud making device is characterized in that a mud making structure F608 is arranged at the position of the discharge hole F607, the mud making structure F608 comprises a frustum F6081 fixed at the tail end of the rotary shaft F602, the frustum F6081 is sleeved on the rotary shaft F602, the outer diameter of the small diameter end of the frustum F6081 is the same as the outer diameter of the rotary shaft F602, the small diameter end of the frustum F6081 faces to a spiral channel F605, the outer diameter of the large diameter end of the frustum F6081 is smaller than the inner diameter of a columnar shell F601 by 0.5-1mm, a pre-cutting device F609 is arranged in the spiral channel F605, the pre-cutting device F609 comprises a fixed frame F6091, the fixed frame F6091 is fixed on a spiral pushing plate F604, and a grid-shaped cutter array F6092 formed by a plurality of blades is arranged in the fixed frame F6091;

The microwave drying device 7 comprises a sealed box G701, a microwave emitter G702, a microwave receiver G703 and a heating cylinder G704 are arranged in the box 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 G701 and is connected with the tail end of a discharging pipe F610 in a sealing manner, a first stop valve G706 is arranged at the lower end of the transition cylinder G705, the lower end of the heating cylinder G704 extends out of the box G701 and is provided with a second stop valve G707 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.

This a production line for potato powder comprises belt cleaning device 1, peeling apparatus 2, section device 3, curing means 4, cooling device 5, mud making device 6, microwave drying device 7 that set gradually, each device all works in inclosed environment, all sealing connection between each device simultaneously for the potato is except the cleaning procedure, and other processes all go on in sealed environment, from guaranteeing the potato in whole course of working with the probability greatly reduced that oxygen contacted, can effectively prevent the polyphenol oxidase (PPO) in the course of working potato and the oxygen contact in the air, avoid taking place oxidative polymerization, can effectively prevent the browning of potato, thereby guarantee that the potato powder quality of finally producing is 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 moves 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, the high-pressure water in the first lower spray pipe A1052 below the potatoes is sprayed upwards from the first lower spray nozzle A1053 to the potatoes, the high-pressure water in the first upper spray pipe A1054 above the potatoes is sprayed downwards from the first upper spray nozzle 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 nozzle 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 nozzle A5 to the potatoes, therefore, the whole potato can be sprayed and cleaned, the potato after the secondary cleaning is very clean, meanwhile, the water after the primary cleaning falls into the first water tank A1051, most soil residues on the potato surface are washed out and fall into the first water tank A1051 during the primary cleaning, so that the water in the first water tank A1051 is turbid and is directly discharged from the first blow-off pipe A1056, the water after the secondary cleaning falls into the second water tank A1061, and little soil residues remain on the potato surface after the primary cleaning during the secondary cleaning, so that the water in the second water tank A1061 is clear and can be used for primary cleaning of the potato, and therefore, the water in the second water tank A1061 is discharged into the water tank A1067 through the second blow-off pipe A1066 connected with the bottom, and then the water in the water tank A1067 is sent into the first upper blow-off pipe A1054 through the water pipe A1068 by the water pump A1069, in the first lower spout A1052, the potato is cleaned once, so that the water consumption can be reduced and the cost can be 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 are only required 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 arranged on 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, a second control valve B220 arranged at the upper end of a transition barrel B218 is firstly opened, at the moment, the potatoes cleaned in a receiving groove A109 fall into the transition barrel B218, then the second control valve B220 is closed, and a first control valve B219 arranged at the lower end of the transition barrel B218 is opened, so that the potatoes in the transition barrel B218 fall into a peeling cavity B2011, at the moment, the lower end of an annular sleeve B209 leans into a rotary table B203, a discharge port B208 is blocked by the annular sleeve B209, a driving motor B202 drives a rotary shaft B204 to rotate so as to drive the rotary table B203 to rotate, the rotary table B203 can be used for throwing the potatoes into contact with the inner surface of the annular sleeve B209 in the rotating process due to the wavy upper surface of the rotary table B203, the contact friction between the potatoes and the annular sleeve B209 is generated due to the grinding surface of the inner wall of the annular sleeve B209, the skins of the potatoes can be rubbed off in the contact friction process between the potatoes and the annular sleeve 209, and water jets 205 arranged in the peeling cavity B2011 are sprayed with high-pressure water flow, washing potatoes, washing the scraped potato skin from the surface of the potatoes, then flowing the scraped potato skin into a water storage cavity B2012 through a plurality of water through holes B211 arranged on a rotary table B203, when the water in the water storage cavity B2012 is excessive, opening a first conduction valve B214 arranged on a first drain pipe B213, flowing water in the water storage cavity B2012 into a transition water tank B215 along the first drain pipe, then closing the first conduction valve B214, opening a second conduction valve B217 arranged on a second drain pipe B216, discharging water in the transition water tank B215 along the second drain pipe B216, lifting an annular sleeve B209 by a lifting device B210 to enable a discharge hole B208 to be communicated with a peeling cavity B2011, at the moment, continuously rotating the rotary table B203 throws peeled potatoes out from the discharge hole B208 into a shell C301 along a guide pipe C312, the peeling effect of the peeling device 2 is good, simultaneously, potato and epidermis separation, moreover, through setting up transition barrel B218 and transition water tank B215, simultaneously feed inlet C311 and discharge gate B208 pass through passage C312 sealing connection, can make the inside of urceolus body B201 hardly contact with outside air, can effectively prevent the 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 powder quality of finally producing is higher.

In order to further Prevent Polyphenol Oxidase (PPO) in potatoes from contacting with oxygen in the air during peeling and avoid oxidative polymerization, a nitrogen pipe B221 for filling nitrogen into the outer cylinder B201 is connected to 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 powder 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 slicing is carried out, the potatoes thrown out from the discharge hole B208 enter the shell C301 from the feed inlet C311 along the feed guide pipe C312, then slide onto the conveying belt C302 along the guide groove C316, the first driving motor C305 enables the driving roller C304 to rotate so as to enable the conveying belt C302 to move, the conveying belt C302 drives the potatoes to move in the moving process, when the potatoes pass under the driving roller C306, the driving roller C306 is enabled to rotate at a high speed due to the second driving motor C307, a plurality of annular blades C308 sleeved on the driving roller C306 are enabled to rotate at a high speed, the annular blades C308 rotate at a high speed, the potatoes passing through are cut into slices, the slices are driven by the conveying belt C302 to continue to move and then fall into the discharging pipe C313, the whole slicing process can be carried out continuously, meanwhile, the slicing effect is good, in addition, as the feed inlet C311 and the discharging hole C312 are connected with the tail end of the discharging pipe C313 in a sealing way, the inside the shell C301 is enabled to be hardly contacted with the air, the potatoes can be effectively prevented from being oxidized by the PPO, and the quality of the potatoes can be effectively prevented from being oxidized, and the brown-colored and the environment can be prevented from being oxidized, and finally, the brown-colored potato can be produced.

Further, in order to avoid the potato slices to be blocked between the annular blades C308, a scraping plate C317 is arranged on the inner wall of the shell C301, one end of the scraping plate C317 is fixed on the inner wall of the shell C301, a plurality of notches are formed in the other end of the scraping plate C317, the number of the notches is the same as that of the annular blades C308, the positions of the notches are in one-to-one correspondence, and the cutting edges of the annular blades C308 are positioned in the notches, so that even if the potato slices are blocked between the annular blades C308, the potato slices can be scraped off through the scraping plate C317, and the potato slices are prevented from being blocked between the annular blades C308 to influence production.

In addition, in order to further Prevent Polyphenol Oxidase (PPO) in potatoes from contacting oxygen in the air during slicing and from oxidative polymerization, a nitrogen pipe C315 for filling nitrogen into the casing C301 is connected to the casing C301; in the slicing 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 powder 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 stop valve C314 is opened to enable the potato slices in the discharging pipe C313 to fall into the hopper D409, then the stop valve C314 is closed, the third stop valve D410 arranged at the discharging hole of the hopper D409 is opened to enable the potato slices in the hopper D409 to fall into the transition cylinder D408, then the third stop valve D410 is closed, then the first stop valve D406 is opened to enable the potato slices in the transition cylinder D408 to fall into the inner cylinder D402, the first stop valve D406 is closed, at this time, 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 cylinder D402 through the steam through hole D405 to be contacted with the potato slices and heat and cook the potato slices, when the potato slices are heated to be cured, the second stop valve D407 arranged at the lower end of the inner barrel D402 is opened, the cured potato slices fall into the second transition barrel E507, the curing device 4 cures the potatoes by utilizing steam, so that the potatoes are cured quickly, the curing effect is high, meanwhile, the whole curing process is automatic, manual handling of the potatoes is not needed, in addition, the inner part of the outer barrel D403 is hardly contacted with the outside air by arranging the transition barrel D408, the polyphenol oxidase (PPO) in the potatoes in the curing process is effectively prevented from being contacted with oxygen in the air, oxidation polymerization is avoided, the potato browning can be effectively prevented, and the quality of finally produced potato powder is ensured to be higher.

In addition, in order to further Prevent Polyphenol Oxidase (PPO) in the potato from contacting with oxygen in the air during the aging process and avoid oxidative 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 powder 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, the third stop valve E508 arranged at the lower end of the second transition barrel E507 is firstly opened, so that cured high Wen Yangyu pieces fall into the vacuum box E501, then the third stop valve is closed, the vacuum pump E502 is opened, the vacuum box E501 is vacuumized, the high-temperature potatoes are rapidly cooled in the vacuum environment, when the potatoes are cooled to room temperature, the first stop valve E505 is opened, the potatoes in the vacuum box E501 fall into the first transition barrel E504, then the first stop valve E505 is closed, 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 can be rapidly cooled, the cooling effect is good, meanwhile, in the vacuum environment, polyphenol oxidase (PPO) in the potatoes can be effectively prevented from being in contact with oxygen in the air, oxidation polymerization can be prevented, and the final produced potatoes can be effectively prevented from being browned, and the quality of the finally produced potatoes is high.

When the potato slices are subjected to the mud making process, the second stop valve 506 is opened, the potato slices fall into the columnar shell F601 from the feed inlet F606, the input potato slices move towards the discharge outlet F607 along the spiral channel F605 under the action of the rotating spiral pushing plate F604, the pre-cutting device F609 comprises a fixed frame F6091, the fixed frame F6091 is fixed on the spiral pushing plate F604, the fixed frame F6091 is internally provided with a grid-shaped knife array F6092 formed by a plurality of blades, the potato slices firstly contact the grid-shaped knife array F6092 in the process of moving along the spiral channel F605, the potato slices are cut into small blocks after passing through the grid-shaped knife array F6092, the small potato slices continue to move along the spiral channel F605 to reach the mud making structure F608, and are made into the mud through the mud making structure 8 under the action of the spiral pushing plate F604, the potato pulp is discharged from the discharge hole F607 into the discharge pipe F610, and the potato pulp is cut into small pieces in advance, so that the potato pulp is easier to be made, the load borne by the driving motor F603 is smaller, the service life of the driving motor F603 can be greatly prolonged, the maintenance and replacement of the driving motor F603 are reduced, the cost of potato pulp making is lower, in addition, the feed hole F606 is in sealing connection with the lower end of the second transition barrel E507, the tail end of the discharge pipe F610 is provided with a stop valve F611, and the pulp making process is carried out in a sealed columnar shell F601, so that the polyphenol oxidase (PPO) in the potato pulp making process is effectively prevented from being contacted with oxygen in the air, the potato pulp is prevented from being oxidized and polymerized, the potato pulp is effectively prevented from being brown, and the quality of the finally produced potato powder is ensured to be higher.

In order to enable the potato slices to quickly move along the inclined surface of the frustum F6081, a plurality of scraping plates F6082 are arranged on the outer surface of the frustum F6081, and an included angle between each scraping plate F6082 and a bus of the frustum F6081 is 30-60 degrees. Therefore, the scraping plate F6082 can additionally provide thrust for the potato slices when rotating along the frustum F6081, so that the potato slices can move along the inclined plane of the frustum F6081 more quickly, and the phenomenon that the mud making structure F608 is blocked due to excessive potato slices accumulated on the inclined plane of the frustum F6081 is avoided.

In addition, in order to further Prevent Polyphenol Oxidase (PPO) in potato from contacting with oxygen in air during the mashing process and avoid oxidation polymerization, a nitrogen pipe F612 for filling nitrogen into the columnar casing F601 is connected to the columnar casing F601; in the mud making 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 powder 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 potato is heated and dried by microwaves, the stop valve F611 is firstly opened, the potato mud in the discharge pipe F610 falls into the transition barrel G705, then the stop valve F611 is closed, the first stop valve G706 is opened, the potato mud in the transition barrel G705 falls into the heating barrel G704, the microwave emitter G702 and the microwave receiver G703 are opened at the moment, microwaves penetrate through the heating barrel G704 to heat and dry the potato mud in the heating barrel G704, and potato powder is obtained after the drying is finished.

In order to facilitate screening and collecting qualified potato powder, a vibrating screen G708 is arranged below the box G701, a vibrating motor G709 is connected to the vibrating screen G708, and the vibrating screen G708 is connected with the box G701 through an elastic element G710. After the potato powder is dried, the second stop valve G707 is opened to allow the potato powder in the heating cylinder G704 to fall into the vibrating screen G708, and the vibrating motor G709 vibrates the vibrating screen G708 so that the qualified potato powder can be screened out.

For being convenient for collect qualified potato powder and unqualified potato powder, shale shaker G708 below is provided with first material receiving groove G711 and second material receiving groove G712, first material receiving groove G711 sets up directly under the shale shaker G708, the shale shaker G708 slope sets up, and the right-hand member of shale shaker G708 is greater than the distance of left end distance from ground from the right-hand member, the second material receiving groove G712 sets up in the left side of shale shaker G708, the left end of shale shaker G708 is connected with stock guide G713, the right-hand member of stock guide G713 extends to in the second material receiving groove G712. Qualified potato powder falls into the first receiving trough G711 from the vibrating screen G708, and unqualified potato powder slides down to the left end along the inclined vibrating screen G708 and then falls into the second receiving trough G712 along the material guide plate G713, thereby realizing screening of qualified potato powder and unqualified potato powder.

In addition, in order to further Prevent Polyphenol Oxidase (PPO) in potatoes from contacting oxygen in the air during the drying process and avoid oxidative 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 potatoes can be effectively prevented from browning, and the quality of the finally produced potato powder 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.

Claims

1. A production line for potato powder, its characterized in that: comprises a cleaning device (1), a peeling device (2), a slicing device (3), a curing device (4), a cooling device (5), a mud making device (6) and a microwave drying device (7) 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;

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 slicing device (3) comprises a sealed shell C (301), wherein a conveying belt C (302), a driven roller C (303), a driving roller C (304), a first driving motor C (305), a driving roller C (306) and a second driving motor C (307) are arranged in the shell C (301), the conveying belt C (302) is stretched by the driven roller C (303) and the driving roller C (304), the first driving motor C (305) is used for enabling the driving roller C (304) to rotate, the driving roller C (306) is positioned above the conveying belt C (302), the second driving motor C (307) is used for enabling the driving roller C (306) to rotate, a plurality of annular blades C (308) are sleeved on the driving roller C (306), the annular blades C (308) are mutually arranged in parallel, a layer of buffer C (309) is arranged on the surface of the conveying belt C (302), a plurality of knife grooves C (310) are formed in the surface of the buffer C (309), the number of the knife grooves C (310) is the same as that of the annular blades C (308), the number of the annular blades C (308) and the number of the knife grooves C (308) are corresponding to that of the annular blades C (308), the annular blades C (308) are positioned in one-to-one, the feeding mouth C (311) is positioned in the shell C (301) and is connected with a feeding pipe (312) through a sealing pipe (311), a guide groove C (316) is connected to the feed inlet C (311), one end of the guide groove C (316) and the feed inlet C (311) are connected, the other end of the guide groove C extends to the upper portion of the conveying belt C (302), a discharge pipe C (313) is arranged on the outer side of the driven roller C (303), one end of the discharge pipe C (313) extends to the outer side of the driven roller C (303) and is in contact with the cushion pad C (309), the other end of the discharge pipe C extends to the outer side of the shell C (301), and a stop valve C (314) is arranged at the tail end of the discharge pipe C (313);

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 the tail end of the discharge pipe C (313) is connected in a sealing mode;

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 mud making device (6) comprises a sealed cylindrical shell F (601), a rotary shaft F (602) is arranged in the cylindrical shell F (601), one end of the rotary shaft F (602) extends out of the cylindrical shell F (601) and is connected with a driving motor F (603) for driving the rotary shaft F (602) to rotate, the axial lead of the rotary shaft F (602) coincides with the central axis of the cylindrical shell F (601), a spiral pushing plate F (604) is arranged on the rotary shaft F (602), the spiral pushing plate F (604) and the surface of the rotary shaft F (602) and the inner surface of the cylindrical shell F (601) form a spiral channel F (605) together, a feed port F (606) and a discharge port F (607) are formed in the cylindrical shell F (601), the feed port F (606) is communicated with one end of the spiral channel F (605), the feed port F (606) is connected with the lower end of a second transition cylinder E (507) in a sealing mode, the discharge port F (607) is communicated with the other end of the spiral channel F (605), and a discharge pipe F (610) is connected with the discharge pipe (610) and the discharge pipe (610) extends out of the cylindrical shell F (601); the mud making device is characterized in that a mud making structure F (608) is arranged at the position of the discharge hole F (607), the mud making structure F (608) comprises a frustum F (6081) fixed at the tail end of the rotary shaft F (602), the frustum F (6081) is sleeved on the rotary shaft F (602), the outer diameter of the small diameter end of the frustum F (6081) is the same as the outer diameter of the rotary shaft F (602), the small diameter end of the frustum F (6081) faces the spiral channel F (605), the outer diameter of the large diameter end of the frustum F (6081) is smaller than the inner diameter of the columnar shell F (601) by 0.5-1mm, a pre-cutting device F (609) is arranged in the spiral channel F (605), the pre-cutting device F (609) comprises a fixed frame F (6091), the fixed frame F (6091) is fixed on the spiral pushing plate F (604), and a grid-shaped cutter array F (6092) formed by a plurality of blades is arranged in the fixed frame F (6091);

The microwave drying device (7) comprises a sealed box G (701), a microwave emitter G (702), a microwave receiver G (703) and a heating barrel G (704) are arranged in the box G (701), the upper end of the heating barrel G (704) is connected with a transition barrel G (705) in a sealing mode, the upper end of the transition barrel G (705) extends out of the box G (701) and is connected with the tail end of a discharging pipe F (610) in a sealing mode, a first stop valve G (706) is arranged at the lower end of the transition barrel G (705), the lower end of the heating barrel G (704) extends out of the box G and a second stop valve G (707) is arranged at the lower end of the heating barrel G (704), and the microwave emitter G (702) and the microwave receiver G (703) are respectively arranged on two sides of the heating barrel G (704).

2. The line for potato powder as recited in claim 1, wherein: 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 groove A (109), the upper end of the transition barrel B (218) is in sealing connection with the lower end of the receiving groove A (109), the receiving groove A (109) is connected with a guide groove A (110), one end of the guide groove A (110) is connected with the receiving groove A (109), and the other end of the guide groove A (110) extends to the outer side of the driven roller A (102) and is in contact with the conveying belt A (101).

3. The line for potato powder as recited in claim 1, wherein: the novel scraper comprises a shell C (301), wherein a scraper C (317) is arranged on the inner wall of the shell C (301), one end of the scraper C (317) is fixed on the inner wall of the shell C (301), a plurality of gaps are formed in the other end of the scraper C, the number of the gaps is the same as that of the annular blades C (308), the positions of the gaps are in one-to-one correspondence, and the tip of the annular blade C (308) is located in the gaps.

4. The line for potato powder as recited in claim 1, wherein: the outer surface of the frustum F (6081) is provided with a plurality of scrapers F (6082), and an included angle between the scrapers F (6082) and a bus of the frustum F (6081) is 30-60 degrees.

5. The line for potato powder as recited in claim 1, wherein: the vibrating screen G (708) is arranged below the box body G, the vibrating screen G (708) is connected with a vibrating motor G (709), and the vibrating screen G (708) is connected with the box body G through an elastic element G (710).

6. The line for potato powder as recited in claim 5, wherein: the utility model discloses a vibrating screen G (708), including vibrating screen G (708), material guiding plate G (713) and second material receiving groove G (712) are connected to vibrating screen G (708) below being provided with first material receiving groove G (711), first material receiving groove G (711) sets up under vibrating screen G (708), vibrating screen G (708) slope sets up, and the right-hand member of vibrating screen G (708) is greater than the distance of left end distance from ground apart from the right-hand member, second material receiving groove G (712) sets up in the left side of vibrating screen G (708), the left end of vibrating screen G (708) is connected with material guiding plate G (713), the right-hand member of material guiding plate G (713) extends to in the material receiving groove G (712) of second.

7. The line for potato powder as recited 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 (315) 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); a nitrogen pipe F (612) for filling nitrogen into the columnar shell F (601) is connected to the columnar shell F (601); the box body G (701) is connected with a nitrogen pipe G (714) for filling nitrogen into the box body G (701).