CN204377837U

CN204377837U - The freezing juice squeezing system of potato

Info

Publication number: CN204377837U
Application number: CN201420852763.4U
Authority: CN
Inventors: 韩丽华; 王铁钢
Original assignee: Individual
Current assignee: Tianjin Jinchang Haike Industrial & Trading Co Ltd
Priority date: 2014-12-29
Filing date: 2014-12-29
Publication date: 2015-06-10
Anticipated expiration: 2024-12-29

Abstract

The utility model relates to the squeezing system of the freezing juice of a kind of potato, comprises conveyer, squeezer and filtration system, and potato material enters squeezer by conveyer, and the potato juice squeezed out enters filtration system and stores after filtering.Freezing and after melting whole grain potato is squeezed by squeezer by the utility model, and by the juice of squeezing out through multistage Separation of Solid and Liquid, the macromolecular protein of filtering and starch, finally obtain the scavenging solution being rich in amino acid, protein, organized enzyme that molecular weight is less than 50,000 Da, be prepared into 10ml or 30mL oral liquid by aseptic filling bottle device.Native system entirety performs pharmaceutical standards and GMP purification standard, and in process of production without the need to enzymolysis and color retention, processing step is few, the oral liquid clear of preparation, and long-time placement can not produce precipitation and metachromatism, and shelf life is long.

Description

Potato frozen juice squeezing system

Technical Field

The utility model belongs to the food processing field relates to potato juice's production system, especially a potato refrigeration juice squeezes system.

Background

The potato juice is juice obtained by squeezing fresh potato. Contains vitamin A, vitamin C, minerals, starch, lignin, etc. It can be used for preventing and treating various diseases, and preventing weakness of spleen and stomach, dyspepsia, incoordination between intestine and stomach, constipation, etc., and relieving mental stress. In addition, the potato also has good skin caring effect, especially on fragile skin around eyes. This method has been used for treating stomach diseases and constipation from ancient times. The aromatic master rich in Zen of the monk of Chanzong in Japan advocates the therapy of fresh potato juice and has obvious drug effect.

The fresh potato juice which is just squeezed out not only changes color after being placed for a period of time, but also generates precipitate, thereby influencing the sale. In order to solve the problems of precipitation and discoloration, amylase is usually added in the preparation process to carry out enzymolysis on starch, and color fixative such as VC is added to prevent browning of raw juice.

Through search, the following two patent documents are found:

1. a method for preparing potato concentrated juice (CN102835705A), comprising the following steps: (1) pretreatment: removing mud, peeling and crushing the potatoes to prepare potato slurry; (2) and (3) amylase liquefaction: adding amylase into potato pulp for liquefaction; (3) squeezing: squeezing the potato pulp by a belt squeezer; (4) enzymolysis: adjusting the pH of the potato squeezed juice to 3.5-4.5, adding pectinase for decomposition for 1-3 hours, and adding glucoamylase for decomposition for 1-3 hours; (5) and (3) ultrafiltration: adding activated carbon into the potato squeezed juice after enzymolysis for decoloring, and filtering by ultrafiltration equipment after decoloring to prepare potato clear juice; (6) concentration: vacuum concentrating the potato clear juice to obtain a soluble solid of 40-70 Brix to obtain potato concentrated juice; (7) and (6) filling.

2. A preparation method (CN103431464A) of colorful potato pulp juice is characterized by comprising the following steps: 1) cleaning: removing mud, peels and eyes of the color potatoes to ensure that the potato blocks are clean and clean, so as to obtain clean potato blocks; wherein the peeling mode is that 1% sodium hydroxide solution is adopted for soaking for 10min, the temperature of the sodium hydroxide solution is 90 ℃, and then 0.5% citric acid is adopted for neutralization; 2) preparation of homogenate: crushing the cleaned potato blocks obtained in the step 1), and preparing homogenate to obtain potato slurry; wherein, hot water with the temperature of 100 ℃ is added during crushing, and the volume of the hot water is 1.5 times of that of the potato pulp; performing color protection while crushing, wherein the color protection agent adopts VC, iso-VC sodium and citric acid, and the addition amounts of the VC, iso-VC sodium and citric acid are respectively 0.05%, 0.15% and 0.1% of the weight of the potato tuber by weight; 3) and (3) amylase liquefaction: adding amylase into the potato slurry obtained in the step 2) for liquefaction to obtain potato slurry after amylase liquefaction; wherein, the addition amount of amylase is 0.15 percent of the weight of potato tubers by weight, the enzymolysis temperature is 85 ℃, and the enzymolysis time is 2.5 hours; 4) squeezing: squeezing the potato pulp liquefied by the amylase obtained in the step 3) by using a belt type squeezing machine to obtain potato squeezed juice; squeezing for 20 min; 5) enzymolysis: adjusting the pH value of the potato squeezed juice obtained in the step 4) to 4 by using a citric acid aqueous solution or a citric acid monohydrate aqueous solution, adding pectinase for decomposition for 2 hours, and adding glucoamylase for decomposition for 2 hours to obtain the potato squeezed juice subjected to enzymolysis; wherein the addition proportion of the pectinase is 0.1 percent of the weight of the potato squeezed juice by weight, and the addition proportion of the saccharifying enzyme is 0.3 percent of the weight of the potato squeezed juice by weight; 6) and (3) ultrafiltration: filtering the potato squeezed juice subjected to enzymolysis in the step 5) by using ultrafiltration equipment, and removing impurities to obtain potato nutrition filtrate; 7) concentration: vacuum concentrating the potato nutrition filtrate obtained in the step 6) to obtain a soluble solid substance of 45Brix to obtain potato concentrated juice; 8) filling: filling the potato concentrated juice obtained in the step 7) into a specification container, and sealing.

Both of the above patent documents solve the problem of precipitation of potato juice by enzymatic hydrolysis, and solve the problem of discoloration of potato juice by adding a color fixative. The process is complicated and the production cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the shortcomings of the prior art, and provides a potato frozen juice squeezing system which is free from enzymolysis, addition of a color fixative and has transparent, clear and long storage time for prepared raw juice.

The utility model provides a technical scheme that technical problem adopted is:

the utility model provides a squeezing system of frozen potato juice, includes conveyer, squeezer and filtration system, and the potato material passes through conveyer and gets into the squeezer, and the potato juice who squeezes out gets into filtration system and stores after filtering.

The conveying device comprises a feeding conveyor, a rotary distribution disc, a bucket elevator and a separating funnel, wherein the rotary distribution disc is arranged below the output end of the feeding conveyor, a discharge valve is arranged below the rotary distribution disc, the lower end of the bucket elevator is arranged below the discharge valve, and the separating funnel is arranged below the high end of the bucket elevator.

And, the rotatory distribution dish include rotary disk, bounding wall, cloth passageway and stripper, this rotatory distribution dish is rotatory by the rotating electrical machines drive of installing in the rotary disk below, installs the bounding wall in the outer fringe of rotary disk, extends at radial one side of bounding wall and makes a discharge gate, and a plurality of cloth passageways are separated out to this discharge gate through the baffle, hinge dress stripper on the outer end bottom plate of discharge gate, and the both ends of this stripper are connected with the both sides of discharge gate through the hydraulic stem respectively, the bounding wall be double-deck hollow structure, the outer fringe of rotary disk insert in the bounding wall and leave the space between the skin of bounding wall, the potato juice that melts gets into in the chute of bounding wall from the space.

Moreover, the discharge valve comprises a shell, a valve core, a pushing cylinder, a one-way flywheel and an electromagnetic brake, the shell is cylindrical, an inlet and an outlet are respectively arranged at the upper end and the lower end of the wall of the shell, a valve core is coaxially sleeved in the shell, a plurality of discharge chutes are uniformly distributed in the radial direction of the valve core, each discharge chute is divided into two parts by a clapboard, two ends of the valve core shaft penetrate out of the shell, one end of the bearing seat is sleeved with the shaft seat, the bearing seat sleeved at the other end is coaxially sleeved with a one-way flywheel, a connecting rod is fixedly arranged on the outer end surface of the unidirectional flywheel, a connecting sleeve is fixedly arranged on the outer end surface of the flywheel around the connecting rod, an electromagnetic brake and a supporting plate are sequentially sleeved at the end part of a mandrel of the sleeved flywheel from outside to inside, a pushing cylinder is vertically and fixedly arranged on the inner end surface of the supporting plate through a supporting frame, and a push rod of the pushing cylinder applies force to the upper end surface of the connecting sleeve.

The squeezer comprises a frame, a die bottom plate, die enclosing plates, enclosing plate lifting devices and punches, wherein the die bottom plate is fixedly arranged on the top surface of the frame, guide columns are fixedly arranged at four corners of the top surface of the frame respectively, a top frame is fixedly arranged at the tops of the guide columns, a middle frame is slidably arranged on the guide columns between the top frame and the frame, an air cylinder is fixedly arranged on the top surface of the top frame, a piston rod of the air cylinder acts on the top of the middle frame, two punches are symmetrically and fixedly arranged on the bottom surface of the middle frame, the die enclosing plates are arranged between the two punches and the die bottom plate, the two enclosing plate lifting devices are symmetrically and fixedly arranged at two sides between the die enclosing plates and the die bottom plate, a sliding column is fixedly arranged at each of the four corners between the die enclosing plates and the die bottom plate, two through holes are symmetrically formed on the die enclosing plates corresponding to the two punches, two circular juicing grooves are symmetrically formed on the die bottom plate corresponding to the two punches, and a plurality of, the juicing channel is connected with a juicing gathering channel, and the juicing gathering channel is connected with the side wall of the bottom plate of the die and is provided with a juicing flow port.

And, filtration system include coarse filtration storage tank, coarse filtration unit, meticulous filter unit and ultrafiltration unit, the inlet pipe of coarse filtration storage tank is connected with the discharging pipe of squeezing juice collector, the discharging pipe of coarse filtration storage tank in proper order with coarse filtration unit, meticulous filter unit and ultrafiltration unit connection, finished product jar is connected to the output of ultrafiltration unit.

Moreover, the coarse filter unit is divided into 4-stage separation, and the frozen potato juice is finally filtered to be less than 1 mu m; the fine filter unit is used for 2-stage separation, and finally, the frozen potato juice is filtered to be below 0.05 mu m.

Furthermore, the ultrafiltration unit is divided into 2 stages of separation, and the potato frozen juice is finally filtered to below 5 ten thousand Da.

And the filtering system is connected with an acid-base cleaning system, and the acid-base cleaning system carries out high-temperature steam disinfection and acid-base cleaning on each stage of filtering equipment of the filtering system.

The utility model has the advantages that:

1. the utility model discloses the whole grain potato after will freezing and melting is squeezed through the squeezer to the juice that will squeeze out is through multistage solid-liquid separation, protein and starch of filtering macromolecule, obtains the purifying liquid that is rich in amino acid, protein, active enzyme that molecular weight is less than 5 ten thousand Da at last, prepares into 10mL or 30mL oral liquid through aseptic bottling device. The system integrally executes pharmaceutical standards and GMP purification standards, enzymolysis and color protection treatment are not needed in the production process, the process steps are few, the prepared oral liquid is clear and transparent, precipitation and color change phenomena cannot occur after long-time placement, and the shelf life is long.

2. The utility model discloses a potato material need not to peel, need not to rub, only needs freezing postthawing to handle, directly transports whole potato to the squeezer and squeezes, has obvious difference with current mode of squeezing. When the potato is frozen, the water expands due to freezing, the potato peel is pierced by the ice crystals when the ice crystals are generated, the water and soluble substances contained in the potato are exuded when the potato is melted, and the water connected with the dietary fibers is removed to play a role of a filtering framework.

3. The utility model discloses control system adopts Siemens S7 system, and this system is more stable, can satisfy constantly upgrading needs, and manual and automatic system coexists simultaneously, satisfies the material loading, loads, squeezes, the slagging-off, the colating, the essence is strained and is ultrafiltrated and the bottling system overall process automatic control, is just washing, high temperature steam disinfection (including regular chemistry self-sterilizer) and the isolated air' S of system control requirement, and automatic control is realized completely to the production process, reaches unmanned on duty.

4. The utility model discloses use the squeezer to press juice, different with traditional juice extractor structure, more be fit for squeezing of whole grain potato, go out juice rate height, potato sediment and discharge easily moreover.

5. The utility model discloses a filtration system divide into the multistage, through the colating, meticulous filtration and ultrafiltration back, only leaves the purifying liquid that is rich in amino acid, protein, active enzyme that molecular weight is less than 5 ten thousand Da, more is favorable to the intestinal absorption.

Drawings

FIG. 1 is a front view of the present system;

FIG. 2 is a schematic perspective view of the system;

FIG. 3 is a perspective view of the loading conveyor;

FIG. 4 is a front view of the structure of the rotating distribution disk;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 4;

FIG. 7 is a perspective view of a rotating distribution disk;

FIG. 8 is a front elevational view of the discharge valve construction;

FIG. 9 is a top view of FIG. 8;

FIG. 10 is a sectional view taken along line B-B of FIG. 8;

FIG. 11 is a schematic perspective view of a discharge valve;

FIG. 12 is an enlarged view of the structure of the portion C of FIG. 11;

FIG. 13 is a perspective view of a bucket elevator;

fig. 14 is a front view of the distribution hopper;

FIG. 15 is a top view of FIG. 14;

FIG. 16 is a front view of the press;

FIG. 17 is a right side view of FIG. 16;

FIG. 18 is a perspective view of the press;

fig. 19 is a perspective view of the die base.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.

The utility model provides a squeezing system of frozen potato juice, includes conveyer, squeezer 6, filtration system and acid-base cleaning body system 1, and the potato material passes through conveyer and gets into the squeezer, and the potato juice that squeezes out gets into filtration system and filters the back and store.

The conveying device comprises a feeding conveyor 3, a rotary distribution disc 2, a bucket elevator 4 and a distributing hopper 5, wherein the rotary distribution disc is arranged below the output end of the feeding conveyor, a discharge valve 15 is arranged below the rotary distribution disc, the lower end of the bucket elevator is arranged below the discharge valve, and the distributing hopper is arranged below the high end of the bucket elevator.

The feeding conveyor comprises a chain conveyor 17, a plurality of feeding trays 16 and a liquid receiving hopper 18, wherein the plurality of feeding trays are fixedly arranged between two chains of the chain conveyor at intervals and uniformly distributed around the chains, in order to prevent the melted juice of the potatoes from leaking, the melted juice and the potatoes are poured into a rotary distribution disc, and the liquid receiving hopper is fixedly arranged below the chain conveyor.

The rotary distribution disc comprises a rotary disc 24, a coaming 19, a material distribution channel 25 and a discharging plate 22, the rotary distribution disc is driven to rotate by a rotary motor 20 arranged below the rotary disc, the coaming is arranged at the outer edge of the rotary disc, a discharging hole 21 is formed in one radial side of the coaming in an extending mode, the discharging hole is divided into a plurality of material distribution channels through partition plates, the discharging plate is hinged to a bottom plate at the outer end of the discharging hole, and two ends of the discharging plate are connected with two sides of the discharging hole through hydraulic rods 23 respectively. The coaming is of a double-layer hollow structure, the outer edge of the rotating disk is inserted into the coaming, a gap is reserved between the outer edge of the rotating disk and the outer layer of the coaming, and melted potato juice enters the chute 26 of the coaming from the gap.

The discharge valve comprises a shell 27, a valve core 38, a pushing cylinder 28, a one-way flywheel 36 and an electromagnetic brake 32, wherein the shell is cylindrical, an inlet and an outlet are respectively formed in the upper end and the lower end of the wall of the shell, the shell is coaxially sleeved with the valve core, a plurality of discharge chutes 37 are uniformly formed in the radial direction of the valve core, each discharge chute is divided into two parts by a partition plate, two ends of a valve core shaft 33 penetrate out of the shell, a shaft seat is sleeved at one end of the valve core shaft, the bearing seat sleeved at the other end of the valve core shaft is coaxially sleeved with the one-way flywheel, a connecting rod 34 is fixedly arranged on the outer end face of the one-way flywheel, and a connecting sleeve 35 is fixedly. An electromagnetic brake and a supporting plate 31 are sequentially sleeved on the end part of a mandrel of the sleeved flywheel from outside to inside, a pushing cylinder is vertically and fixedly arranged on the inner end surface of the supporting plate through a supporting frame 30, and a push rod 29 of the pushing cylinder applies force on the upper end surface of the connecting sleeve. The push rod pushes the connecting sleeve to enable the flywheel to drive the mandrel to rotate, so that potato materials falling into the discharging groove from the inlet are released into a hopper of the bucket elevator below the material receiving valve from the outlet.

The bucket elevator comprises a chain conveying elevator 39, hoppers 41 and a liquid receiving tank 40, the hoppers are uniformly arranged around chains on two sides of the chain conveying elevator at intervals, each hopper is divided into two parts by a partition plate, and the liquid receiving tank is fixedly arranged below the chain conveying elevator in order to receive melted soup of potatoes.

The material distributing funnel is composed of a material distributing disc 42, a chute 43 and a partition plate 44, the material distributing disc is fixedly arranged below the high end of the bucket elevator, the material distributing disc and a hopper of the bucket elevator are correspondingly divided into two intervals by the partition plate, a chute is communicated with a bottom plate of each interval, and the two chutes respectively extend to two juice extracting grooves of a bottom plate of a squeezer die.

The squeezer comprises a frame 54, a die bottom plate 53, die enclosing plates 52, enclosing plate lifting devices 51 and punching heads 50, wherein the die bottom plate is fixedly arranged on the top surface of the frame, guide columns 48 are fixedly arranged at four corners of the top surface of the frame respectively, a top frame 46 is fixedly arranged at the tops of the guide columns, a middle frame 49 is slidably arranged on the guide columns between the top frame and the frame, an air cylinder 45 is fixedly arranged on the top surface of the top frame, a piston rod 47 of the air cylinder acts on the top of the middle frame, two punching heads are fixedly arranged on the bottom surface of the middle frame symmetrically, the die enclosing plates are arranged between the two punching heads and the die bottom plate, two enclosing plate lifting devices are fixedly arranged on two sides between the die enclosing plates and the die bottom plate symmetrically, and a sliding column 55 is fixedly arranged at four corners between the die enclosing plates and the die. Two through holes are symmetrically formed on the die enclosure plate corresponding to the two punches, two circular juicing grooves 57 are symmetrically formed on the die bottom plate corresponding to the two punches, a plurality of circles of juicing runners 56 are uniformly and radially and coaxially formed in each juicing groove, juicing gathering channels 58 are formed by connecting the juicing runners, and juicing flow ports 59 are formed by connecting the juicing gathering channels on the side wall of the die bottom plate.

The working principle of the pressure juicer is as follows: the potato material is poured into two juice extraction grooves of the bottom plate of the die respectively from two elephants trunk of the separating funnel, the potato material is surrounded by the surrounding plate of the die, the punch presses down to squeeze the whole potato, the potato juice is extruded, the potato juice flows out from the juice extraction flow port along the juice extraction flow channel in the juice extraction groove through the juice extraction gathering channel, the potato juice enters the juice extraction collector 14 through the pipeline, then the punch and the surrounding plate of the die are lifted, the potato residue is pushed onto the residue conveying belt 13 on the other side of the pressure juice extractor through the material pushing rod 7 arranged on one side of the pressure juice extractor, and a juice extraction period is completed.

The potato juice that the juice extractor squeezed not only collects pressure juice extractor, but also respectively through the potato juice that melts of pipeline collection outflow in the data send process, specifically do: liquid conveying pipes are respectively connected between a liquid receiving hopper of the feeding conveyor and the juicing collector, between a chute of the rotary distribution disc and the juicing collector and between a liquid receiving groove of the bucket elevator and the juicing collector.

Potato juice that the collector of squeezing the juice was collected need get into filtration system and further filter, filtration system include coarse filtration storage tank 8, coarse filtration unit 9, meticulous filter unit 10 and ultrafiltration unit 11, the inlet pipe of coarse filtration storage tank is connected with the discharging pipe of the collector of squeezing the juice, the discharging pipe of coarse filtration storage tank is connected with coarse filtration unit, meticulous filter unit and ultrafiltration unit in proper order, finished product jar 12 is connected to the output of ultrafiltration unit.

The coarse filter unit is divided into four stages which are respectively: 200 mesh (74 μm), 23 μm, 10 μm and 1 μm. Wherein,

the folding type filter tank is adopted in 74 mu m level, the backwashing frequency is controlled through pressure difference, and stainless steel is adopted as the material.

23 mu m level, 10 mu m level and 1 mu m level are filtered by adopting a stainless steel sintering net, the reflux quantity is determined through experiments, the backwashing frequency is automatically controlled through pressure difference, 121 ℃ steam is used for disinfection and sterilization treatment when the equipment is stopped, and chemical disinfection and sterilization treatment is periodically carried out.

The fine filter unit is divided into 2-level separation, namely 0.1 micron level and 0.05 micron level, and the process adopts a titanium mesh.

The ultrafiltration unit is divided into 2-stage separation, the molecular weight of the ultrafiltration unit is 10 ten thousand Da (Dalton) and the molecular weight of the ultrafiltration unit is 5 ten thousand Da, and the working procedure is completed by adopting a high-temperature resistant ceramic ultrafiltration unit.

The filtering system is basically completely sealed, the middle storage tank is completely provided with an ultrafiltration membrane breathing system, and the production line completely meets the requirements of pharmacopoeia production processes in an aseptic purification environment and avoids bacteria from entering. Meanwhile, each stage of filtration of the filtration system adopts a pharmaceutical grade pump, the part of each device, which is in contact with liquid, adopts stainless steel 316L, and the welding adopts single-side welding and double-side forming, and strictly executes GMP standard; when the production workshop realizes GMP standard production, the filtering system can completely meet the requirements, and the filtering system can meet the requirements of steam sterilization at the high temperature of over 121 ℃.

Moreover, the filtering system is also connected with an acid-base cleaning system, the acid-base cleaning system can realize high-temperature steam sterilization and chemical acid-base sterilization of a production line, the filtering system needs to be subjected to online steam sterilization for 50min after production is finished every day, the steam sterilization temperature is not less than 121 ℃, and the chemical acid-base sterilization is carried out for 1 time in a period of about 10 days of production.

The utility model discloses a control system adopts Siemens S7 system, and this system is more stable, can satisfy constantly upgrading needs, and manual and automatic system coexists simultaneously, satisfies the material loading, loads, squeezes, the slagging-off, the colating, the essence is strained and is ultrafiltrated and the bottling system overall process automatic control, positive and negative washing, high temperature steam disinfection (including periodic chemistry self-sterilizer) and the isolated air' S of system control requirement, and automatic control is realized completely to the production process, reaches unmanned on duty.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the spirit of the present invention, and these modifications and improvements are all within the protection scope of the present invention.

Claims

1. A squeezing system of frozen potato juice is characterized in that: including conveyer, squeezer and filtration system, the potato material passes through conveyer and gets into the squeezer, and the potato juice that squeezes out gets into filtration system and stores after filtering.

2. The potato frozen juice pressing system of claim 1, wherein: the conveying device comprises a feeding conveyor, a rotary distribution disc, a bucket elevator and a distributing hopper, wherein the rotary distribution disc is installed below the output end of the feeding conveyor, a discharge valve is installed below the rotary distribution disc, the lower end of the bucket elevator is installed below the discharge valve, and the distributing hopper is installed below the high end of the bucket elevator.

3. A potato frozen juice pressing system according to claim 2, wherein: the rotary distribution disc comprises a rotary disc, a surrounding plate, material distribution channels and a discharging plate, the rotary disc is driven to rotate by a rotary motor arranged below the rotary disc, the surrounding plate is arranged at the outer edge of the rotary disc, a discharging hole is formed in one radial side of the surrounding plate in an extending mode, the discharging hole is separated into the material distribution channels through a partition plate, the discharging plate is hinged to a bottom plate at the outer end of the discharging hole, two ends of the discharging plate are connected with two sides of the discharging hole through hydraulic rods respectively, the surrounding plate is of a double-layer hollow structure, the outer edge of the rotary disc is inserted into the surrounding plate, a gap is reserved between the outer edge of the rotating disc and the outer layer of the surrounding plate, and melted.

4. A potato frozen juice pressing system according to claim 2, wherein: the discharge valve comprises a shell, a valve core, a pushing cylinder, a one-way flywheel and an electromagnetic brake, wherein the shell is cylindrical, an inlet and an outlet are respectively arranged at the upper end and the lower end of the wall of the shell, a valve core is coaxially sleeved in the shell, a plurality of discharge chutes are uniformly distributed in the radial direction of the valve core, each discharge chute is divided into two parts by a clapboard, two ends of the valve core shaft penetrate out of the shell, one end of the bearing seat is sleeved with the shaft seat, the bearing seat sleeved at the other end is coaxially sleeved with a one-way flywheel, a connecting rod is fixedly arranged on the outer end surface of the unidirectional flywheel, a connecting sleeve is fixedly arranged on the outer end surface of the flywheel around the connecting rod, an electromagnetic brake and a supporting plate are sequentially sleeved at the end part of a mandrel of the sleeved flywheel from outside to inside, a pushing cylinder is vertically and fixedly arranged on the inner end surface of the supporting plate through a supporting frame, and a push rod of the pushing cylinder applies force to the upper end surface of the connecting sleeve.

5. The potato frozen juice pressing system of claim 1, wherein: the squeezer comprises a frame, a die bottom plate, die enclosing plates, enclosing plate lifting devices and punches, wherein the die bottom plate is fixedly arranged on the top surface of the frame, guide columns are fixedly arranged at four corners of the top surface of the frame respectively, a top frame is fixedly arranged at the tops of the guide columns, a middle frame is slidably arranged on the guide columns between the top frame and the frame, an air cylinder is fixedly arranged on the top surface of the top frame, a piston rod of the air cylinder acts on the top of the middle frame, two punches are symmetrically and fixedly arranged on the bottom surface of the middle frame, the die enclosing plates are arranged between the two punches and the die bottom plate, the two enclosing plate lifting devices are symmetrically and fixedly arranged on two sides between the die enclosing plates and the die bottom plate, a sliding column is fixedly arranged at each of four corners between the die enclosing plates and the die bottom plate, two through holes are symmetrically formed on the die enclosing plates corresponding to the two punches, two circular juicing grooves are symmetrically formed on the die bottom plate corresponding to the two punches, and a plurality, the juicing channel is connected with a juicing gathering channel, and the juicing gathering channel is connected with the side wall of the bottom plate of the die and is provided with a juicing flow port.

6. The potato frozen juice pressing system of claim 1, wherein: filtration system include coarse filtration storage tank, coarse filtration unit, meticulous filter unit and ultrafiltration unit, the inlet pipe of coarse filtration storage tank is connected with the discharging pipe of squeezing the juice collector, the discharging pipe of coarse filtration storage tank is connected with coarse filtration unit, meticulous filter unit and ultrafiltration unit in proper order, finished product jar is connected to the output of ultrafiltration unit.

7. A potato frozen juice pressing system according to claim 6, wherein: the coarse filter unit is used for 4-level separation, and finally, the frozen potato juice is filtered to be below 1 mu m; the fine filter unit is used for 2-stage separation, and finally, the frozen potato juice is filtered to be below 0.05 mu m.

8. A potato frozen juice pressing system according to claim 6, wherein: the ultrafiltration machine comprises 2-stage separation, and finally the frozen potato juice is filtered to be below 5 ten thousand Da.

9. The potato frozen juice pressing system of claim 1, wherein: the filtering system is connected with an acid-base cleaning system, and the acid-base cleaning system carries out high-temperature steam disinfection and acid-base cleaning on each stage of filtering equipment of the filtering system.