A device and method for opening Torreya grandis

Abstract

A device and method for opening Chinese torreya nut can open the surface of Chinese torreya nut by pickling the crisp shell, vibrating the device, soaking and other treatments, effectively solving the problem of traditional Chinese torreya nut opening difficulty.

Description

Technical Field

[0001] The invention relates to the field of methods and equipment for opening Torreya grandis, and specifically designs an effective, simple and effective equipment and method for opening Torreya grandis. Background Art

[0002] Torreya grandis fruit is rich in nutrients and has a mellow flavor. It has health care, medicinal value and comprehensive development and utilization value. Torreya grandis is generally used after being fried. After frying, the kernel of Torreya grandis is crispy and delicious. It is a nutritious and high-quality dried fruit. Traditional Torreya grandis has a pre-opening position set at the end, which can only be opened after pressure is applied. A large force needs to be applied when opening it, and it is often difficult to open Torreya grandis because it is opened partially rather than as a whole. Summary of the invention

[0003] In order to solve the deficiencies of the prior art, the present invention provides a device and method for opening Torreya grandis, which effectively solves the problem of the difficulty in opening Torreya grandis in traditional methods by pickling the crisp shell and vibrating the equipment.

[0004] A torreya grandis opening device, characterized in that it comprises a bubble barrel, a conveying device, a hopper and a box body, the bubble barrel and the hopper are connected by a conveyor belt, a sterilizing device for sterilization is arranged in the middle of the conveyor belt, and the hopper is placed on the upper part of the box body;

[0005] The bubble barrel comprises a metal bubble barrel, an impeller for stirring is arranged inside the bubble barrel, a material discharge port is arranged at the lower part of the bubble barrel, and a conveyor belt is arranged at the lower part of the material discharge port;

[0006] The conveying device includes a conveying pipe, which is placed on the conveying belt of the conveying device. The conveying pipe includes a sealing pipe, one end of which is placed at the lower part of the foam barrel discharge port, and the other end is placed at the upper part of the hopper. The conveying belt includes a crawler conveying pipe;

[0007] The hopper comprises a V-shaped hopper, a discharge port is arranged at the lower part of the hopper, and the discharge port is connected to the box body through a conveying pipe;

[0008] The box body comprises an equipment box arranged at the upper part and a drying box arranged at the lower part of the equipment box.

[0009] Preferably, a frosted layer is provided on the inner surface of the bubble barrel, and the frosted layer includes a layer of frosted particles evenly distributed on the surface.

[0010] Preferably, a water inlet device is provided on the upper part of the bubble barrel, and the water inlet device includes a spray port, and the spray port is connected to an external water pipe;

[0011] Preferably, the sterilization device comprises a cover body, a high-speed air outlet disposed in the cover body, a UV sterilization lamp disposed at the rear end of the air outlet, and a hot air outlet disposed at the end.

[0012] Preferably, a water collecting tank is provided at the lower part of the cover body, and the water collecting tank discharges the water in the water collecting tank to the outside through a water collecting pipe.

[0013] Preferably, the high-speed air outlet inputs cold air into the cover body through a fan, and the cold air acts on the surface of the Torreya grandis on the conveying device to quickly dry the moisture on the surface.

[0014] Preferably, the UV sterilization lamp can sterilize the Torreya grandis after air cooling.

[0015] Preferably, the hot air outlet inputs hot air onto the cover body, and the hot air acts on the surface of the Torreya grandis on the conveying device to preliminarily heat it.

[0016] Preferably, the hopper is a sealed hopper. After the Torreya grandis is input into the hopper via a conveyor belt, a weighing device provided in the hopper is used. When the weighing device reaches a preset weight, a command is sent to open the discharge port at the bottom of the hopper, and the Torreya grandis is conveyed into the box through the discharge port.

[0017] Preferably, the equipment box includes a heat pump unit placed in the equipment box, and the heat pump unit is connected to the air inlet and the air outlet in the drying box through an air inlet pipe and an air outlet pipe respectively.

[0018] Preferably, the drying box includes a heat-insulating layer placed around the drying box and used for heat preservation, and a material collecting device placed in the drying box.

[0019] Preferably, the material collecting device comprises a sieve plate, and vibration devices disposed on both sides of the sieve plate, wherein the vibration device comprises a vibration motor.

[0020] Preferably, the sieve plate comprises a groove disposed on the surface and a through groove disposed on one side of the groove, and the grooves and the through grooves are evenly distributed on the surface of the sieve plate in sequence.

[0021] Preferably, the inner wall surface of the groove is provided with bumps, and the bumps are evenly distributed on the inner walls on both sides of the groove.

[0022] Preferably, the bumps include conical bumps and arc-shaped bumps.

[0023] Preferably, the conical protrusion comprises a protrusion protruding along the inner side of the groove, and the thickness of the front part of the protrusion is smaller than that of the rear part, that is, the protrusion gradually narrows toward the inner side of the groove.

[0024] Preferably, the arc-shaped protrusion includes a central concave protrusion, and both sides of the protrusion extend outward along the length direction of the groove to form a central concave and convex shape on both sides. The thickness of the front end of the protrusion is smaller than that of the rear end, that is, the protrusion gradually narrows along the inner side of the groove.

[0025] Preferably, sieve holes are provided at the bottom of the groove, and the sieve holes are evenly distributed at the bottom of the groove.

[0026] Preferably, the closer the aperture of the sieve holes on the sieve plate is to the upper sieve holes of the drying box, the larger the aperture, and vice versa.

[0027] Preferably, the aperture of the sieve hole is equal to that of the through slot.

[0028] Preferably, the vibration device is fixed on the inner wall of the drying box and connected to the screen plate through a connecting rod.

[0029] Preferably, the grooves and through grooves on the surfaces of two adjacent sieve plates on the sieve plates are arranged in reverse. Taking the top sieve plate as an example, the grooves and through grooves on the left side of the top sieve plate are arranged in a uniform manner. Then the grooves and through grooves of the sieve plate placed at the bottom of the top sieve plate are arranged in a uniform manner.

[0030] Preferably, a feed pipe is provided at the upper portion of the box body, and the feed pipe is connected to the discharge port at the lower portion of the hopper.

[0031] Preferably, the surface of the box body is provided with a display panel for displaying the temperature status and time data in the drying box.

[0032] Preferably, the surface of the box body is provided with a door handle for opening.

[0033] A method for opening Torreya grandis, comprising:

[0034] 1) Use a peeling machine to remove the skin of freshly collected Torreya grandis nuts and keep the kernels;

[0035] 2) The peeled kernels are pickled to remove bacteria, insects and other debris from the kernels;

[0036] 3) After pickling, the kernels are dried in the sun to control the surface moisture;

[0037] 4) The dried nuts are sterilized and disinfected thoroughly;

[0038] 5) The processed kernels are transported to the Torreya grandis opening equipment for opening by conveyor or manually.

[0039] Preferably, the pickling method comprises:

[0040] 1) Prepare lime water in a ratio of 1:4, fully blend the prepared lime water with the nuts, and soak the nuts for 120-180 minutes;

[0041] 2) Wash the kernels soaked in lime water with high pressure water to remove the attachments on the surface;

[0042] 3) Soak the washed kernels in the compound water containing the brittle agent. The soaking time is 2-4 hours.

[0043] 4) Remove the kernels after soaking, freeze them for 24 hours, and finally take them out to complete the pickling.

[0044] Preferably, the brittle agent compound water includes 3‰ nut-specific enzyme.

[0045] Preferably, the freezing treatment includes rapidly freezing the kernel and the interior of the kernel by liquid nitrogen, so that the interior of the kernel shrinks and becomes compact due to the low temperature, and the density of the kernel shell increases, thus serving as a pretreatment for subsequent baking.

[0046] The operating principle of this device is:

[0047] The pickled Chinese torreya nuts are placed in a soaking barrel and finally cleaned by a spray device in the soaking barrel. The frosted particles on the surface of the soaking barrel can remove impurities on the surface of the Chinese torreya nuts and the attachments left after pickling. The cleaned Chinese torreya nuts pass through a conveying device, and after air drying, sterilization and preheating on the conveying device, they are finally conveyed to a drying box. The Chinese torreya nuts are input onto a sieve plate through a hopper, and are gradually conveyed downward through a vibration device and the through grooves on the sieve plate. Due to the sieve holes in the sieve plate groove and the straightness of the through grooves, the Chinese torreya nuts are gradually transported downward. Due to the limitation of diameter, large-particle Torreya grandis are reserved at the top, and the smaller the diameter, the lower it is. High-quality Torreya grandis are screened by its diameter. After the Torreya grandis are distributed on the sieve plate, the temperature in the drying box is first increased to dry the Torreya grandis to drain the moisture on the surface and inside of the Torreya grandis and make the Torreya grandis kernel shell brittle. Then, the Torreya grandis in the groove is passed through the vibration device on both sides of the sieve plate, and the Torreya grandis and the bump are impacted to achieve the purpose of opening the Torreya grandis on the side. After the processing, the Torreya grandis can be packaged by taking out the sieve plate.

[0048] The advantages of the present invention over the prior art are:

[0049] The present invention firstly pickles Chinese torreya, cracks the shell of Chinese torreya to keep the kernel, sterilizes and embrittles the Chinese torreya, and quickly freezes the attachments on the surface of the Chinese torreya, and processes some insect eggs. After the embrittlement and quick freezing of the Chinese torreya, the surface of the Chinese torreya kernel is embrittled, the fruit is firm, the moisture on the surface of the quick-frozen kernel is rapidly aggregated, and after the thawing process, pores are generated on the surface of the kernel, which is pre-treated for subsequent opening processing. The pickled kernels are collected in a soaking barrel, the kernels are thawed, and washed to remove impurities and pickled attachments on the surface of the Chinese torreya, and the Chinese torreya cleaned in the soaking barrel are then transported, sterilized, and heated. After a series of treatments such as impact, especially heating and impact, quick freezing, thawing and final heating, the moisture generated by quick freezing on the surface of the Torreya grandis is gathered and discharged, and the remaining pores are limited by the groove of the sieve plate, and the material is screened, that is, the large and small Torreya grandis are screened. The Torreya grandis is placed in the groove, and after the convex blocks on the inner wall of the groove cooperate with the vibration device to vibrate, a crack opening is formed on the surface of the Torreya grandis, so as to achieve the purpose of the top opening, which is not available in the current market. The opened Torreya grandis is more convenient to eat. Compared with the traditional Torreya grandis with opening at the top, the opening range of the Torreya grandis is larger, and it is more convenient to eat the Torreya grandis. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Figure 1 Shown is a schematic diagram of the Torreya grandis opening equipment.

[0051] Figure 2 As shown, the box schematic diagram.

[0052] Figure 3 Shown is a cross-sectional view of the box.

[0053] Figure 4 Shown is a schematic diagram of the aggregate collection device.

[0054] Figure 5 Shown is a schematic diagram of the sieve plate.

[0055] Figure 6 Shown is a top view of the screen plate.

[0056] Figure 7 As shown, this is a schematic diagram of a first embodiment of a bump.

[0057] Figure 8 As shown, this is a schematic diagram of a second embodiment of the bump. DETAILED DESCRIPTION

[0058] The technical solution of the present invention is further described below by specific embodiments to make the present invention clearer and more understandable. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed in various ways based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the features in the following embodiments and embodiments can be combined with each other without conflict.

[0059] like Figure 1 As shown, a Torreya grandis opening device includes a bubble barrel 1, a conveying device, a hopper 13 and a box body 7. The bubble barrel 1 is provided with a discharge port 3 at the lower part, and the discharge port 3 is connected to the conveying device. One end of the conveying device is connected to the discharge port 3 and the other end is connected to the hopper 13. The conveying device includes a conveying pipe 4 and a conveyor belt placed in the conveying pipe 4. A sterilizing device 5 is provided in the middle of the conveying pipe 4. The sterilizing device 5 is a cavity that forms a sleeve relationship with the conveying pipe 4. The hopper 13 is provided with a discharge port 14 at the lower part, and the discharge port 14 is connected to the box body 7.

[0060] Furthermore, the bubble barrel 1 shown includes a metal bubble barrel, and a frosted layer is provided on the inner surface of the bubble barrel, that is, evenly distributed protruding particles are provided on the inner surface of the bubble barrel 1, which can be bonded to the inner surface of the bubble barrel through a composite material.

[0061] Furthermore, an impeller 2 is provided in the soaking barrel, and the impeller 2 can be driven to rotate by a motor to fully stir the Torreya grandis in the soaking barrel 1, so that the Torreya grandis placed therein is in full contact with the inner wall of the soaking barrel 1, and impurities on the surface of the Torreya grandis are cleaned, especially insect eggs remaining on the surface during the pickling process and other debris adhering to the surface are cleaned.

[0062] Preferably, a spray device can be provided on the upper part of the bubble barrel, that is, a spray faucet is provided on the upper part of the bubble barrel, and the spray faucet is connected to external water for inputting external water into the bubble barrel for easy cleaning.

[0063] Furthermore, the lower part of the bubble barrel 1 also includes a water outlet 15, and the sewage after washing the Torreya grandis can be discharged through the water outlet to avoid being input into the conveying device.

[0064] Furthermore, a sewage treatment device is provided at the end of the water outlet 15 shown, which can treat the sewage after cleaning and discharge the sewage through sedimentation or secondary utilization.

[0065] Furthermore, the conveying pipe 4 shown includes a sealed conveying pipe. The conveying pipe in the present device is a fully sealed pipeline. The conveying belt shown includes a crawler conveyor belt.

[0066] Furthermore, a sterilization device is provided on the conveying device, and the sterilization device includes a cover body 5, a high-speed air outlet 8 arranged in front of the cover body 5, a UV sterilization lamp 9 arranged behind the high-speed air outlet 8, and a hot air outlet 10 arranged at the end.

[0067] Furthermore, the high-speed air outlet 8 shown includes a high-speed fan, through which the surface moisture of the Torreya grandis on the conveyor belt is quickly dried.

[0068] Furthermore, the UV sterilization lamp shown includes a sterilization device with an ultraviolet lamp or other sterilization devices, which can remove the bacteria remaining on the Torreya grandis or other stubborn bacteria.

[0069] Furthermore, the hot air outlet 10 shown includes an electric heating fan, through which hot air is transported into a conveying pipe and acts on the Torreya grandis on the conveyor belt to preheat the Torreya grandis for later processing.

[0070] Furthermore, a water collecting tank is provided at the bottom of the cover body 5, and a water collecting pipe 6 is provided at the bottom of the water collecting tank. The water collecting pipe 6 discharges the water remaining in the conveying pipe after exhaust and preheating treatment.

[0071] Furthermore, a sealing plate 12 is provided on the upper part of the hopper 13, and an interface for connecting with the conveying pipe is provided on the sealing plate 12, and the sealing plate 12 sets the material opening in a sealed state.

[0072] Furthermore, a stirring wheel 11 is provided in the hopper 13, and the stirring wheel can prevent the Torreya grandis from piling up in the hopper, thereby facilitating the occurrence of a jamming problem during subsequent unloading.

[0073] like Figure 2 As shown, a schematic diagram of a box body, the box body surface is provided with a door 21 that can be opened, the door 21 is provided with a display screen 22 for displaying the temperature data inside the drying box, and the door 21 also includes a handle 23 for opening the door.

[0074] Furthermore, the display screen 22 shown is connected to various control devices in the equipment, and can provide real-time feedback of various detection data.

[0075] Furthermore, the equipment detection in the equipment shown includes water level detection in the bubble barrel, impeller speed detection in the bubble barrel, conveyor belt transmission speed detection in the conveying device, weight detection in the hopper, temperature detection in the drying box, and working temperature detection of the heat pump unit in the drying box.

[0076] like Figure 3As shown, a cross-sectional view of the box, the upper part of the box includes an equipment box and a drying box 32 placed at the lower part of the equipment box 31, a heat pump unit is arranged in the equipment box 31, and the heat pump unit is respectively connected to the air inlet 33 and the air outlet 34 on the box, and the box includes a feed pipe 35 placed at the upper part, and the feed pipe 35 is connected to the discharge port at the lower part of the hopper, and the Torreya grandis in the hopper is transported inward for drying through the feed pipe 35.

[0077] Furthermore, the heat pump unit in the device shown includes a compressor, a heat exchanger, an axial flow fan, an insulated water tank, a water pump, a liquid storage tank, a filter, an electronic expansion valve and an electronic automatic controller. The air in the box is heated by electric heating, and the dry hot air is transported to the drying box through the air outlet 34. The surface moisture of the dried Torreya grandis evaporates and mixes with the air in the box to form humid hot air, and the humid hot air is transported to the heat pump unit through the air inlet 33. The compressor and heat exchanger in the heat pump unit convert the humid hot air into Water and dry hot air, the water is removed, and the dry hot air is transported back to the drying box to form a cycle. The air outlet in this equipment is only a schematic diagram. The outlet air and the return air outlet can be set according to the position relationship in the box to form air convection in the box to avoid waste of hot dry air. For example, a plurality of air outlets are set from top to bottom through a conversion interface on the surface of one side of the box to make full use of the hot dry air as much as possible. Finally, an air inlet is set at the other end of the air outlet, and the combination of hot dry air and water vapor is recovered and disposed of through a relatively low-power return air fan.

[0078] like Figure 4 As shown, a schematic diagram of a material gathering device is shown, wherein the material gathering device includes a sieve plate 41, and vibration devices 42 placed on both sides of the sieve plate 41. The sieve plate includes a metal plate with grooves and through grooves arranged on the surface. The vibration device 42 includes an electrically driven vibrator, which connects the sieve plate 41 through a transmission shaft 43 and a rotating shaft 44, and is driven by the transmission shaft to transmit the vibration frequency to the sieve plate 41 to perform a vibrating screening operation.

[0079] Furthermore, the arrangement of the sieve plates 41 in the present device includes uniform distribution and non-uniform distribution. The uniform distribution includes the sieve plates having the same specifications and being arranged in order, while the non-uniform distribution includes the sieve plates being arranged in a cone shape, with the upper sieve plate being smaller in width than the lower sieve plate, so that the Torreya grandis placed on the sieve plate falls downward during sieve vibration.

[0080] like Figure 5 As shown, it is a schematic diagram of a sieve plate, wherein the sieve plate comprises grooves 53 and through grooves 54, and the grooves 53 and through grooves 54 on the sieve plate are arranged in an orderly manner on the sieve plate in a uniform manner.

[0081] Furthermore, the grooves and through grooves on the surfaces of two adjacent sieve plates shown in the figure are arranged in reverse, that is, taking the top sieve plate 51 as an example, the grooves 53 and the through grooves 55 on the left side of the top sieve plate 51 are arranged in a uniform arrangement of the grooves and the through grooves, and the grooves and the through grooves of the lower sieve plate 52 placed thereunder are arranged in a through groove 54 and groove 56. To put it simply, when the leftmost portion of the upper sieve plate 51 is the groove 53, the leftmost portion of the lower sieve plate 52 located thereunder should be the through groove 54. Such a staggered arrangement is conducive to preventing the Torreya grandis on the sieve plate from falling directly into the through groove 56 at the bottom when it falls from the upper sieve plate 51 to the lower sieve plate 52.

[0082] Furthermore, a shaft hole 57 for connecting to the transmission shaft is provided in a corresponding groove on the sieve plate. Since the groove is not provided through the cloth, the depth of the groove should be less than the thickness of the sieve plate, so as to reserve a connection position for the shaft hole 57 and the transmission shaft.

[0083] like Figure 6 As shown, a top view of the sieve plate is shown. A sieve hole 61 is provided on the bottom surface of the groove of the sieve plate. The diameter of the sieve hole should be equal to the width of the through slot 62. The sieve hole is used to screen Torreya grandis of non-specified size. Torreya grandis with a diameter less than the required size can fall to the bottom through the sieve hole 61. To avoid misalignment and falling, the diameter of the sieve holes on the same sieve plate is set to be the same as the width of the through slot. In this way, only Torreya grandis of non-standard size on the sieve plate can be screened on the same sieve plate, avoiding the problem of Torreya grandis of larger size falling from the through slot when the through slot is larger.

[0084] Furthermore, the aperture of the sieve holes on the upper sieve plate should be larger than the aperture of the sieve holes on the lower sieve plate. In simple terms, the sieve holes should be gradually reduced from top to bottom. For example, if the aperture of the upper sieve holes is set to 2CM, the aperture of the lower sieve holes should be less than 2CM, and the diameters thereof should be gradually reduced.

[0085] By gradually reducing the aperture of the sieve holes, Torreya grandis can be classified by quality, with the upper part being high-quality large fruits and the lower part being small and medium-sized fruits, which facilitates subsequent classification and packaging and reduces the sorting process.

[0086] like Figure 7 As shown, a schematic diagram of the first embodiment of the protrusion, the protrusions are evenly distributed on the surfaces of both sides of the groove, the protrusions are conical and protrude toward the inner side of the groove, the thickness of the front part 71 of the protrusion should be less than the rear part 72, and the front part 71 should be conical, so as to facilitate contact with the surface of the Torreya grandis in the groove during the vibration screening process and to facilitate opening the surface of the Torreya grandis. In this method, since the surface of the Torreya grandis is semicircular, the protrusions in this method should be arranged on both sides of the inner wall of the groove in a tightly connected manner, and at the same time, the concave surface between two adjacent protrusions should be small, and the Torreya grandis should not be placed therein. To avoid the occurrence of this problem, it is only necessary to set the width of the protrusion, and the groove between adjacent protrusions can be less than 1 / 2 of the length of the Torreya grandis.

[0087] like Figure 8 As shown, a schematic diagram of a second embodiment of the bump is shown, in which the arc-shaped bump includes a middle inner concave bump 83, and both sides of the bump protrude and extend outward along the length direction of the groove, and the left side 82 and the right side 81 of the bump protrude toward the inner side of the groove. The size of the inner concave bump 83 should be equal to the size of the Torreya grandis. After the Torreya grandis is placed on the inner concave bump 83, its surface should be clamped and impacted, causing cracks on the surface of the Torreya grandis.

[0088] The inner wall protrusions of the groove in the device can be arranged on one side or both sides, so as to avoid the problem that the surface thickness of the Chinese torreya is uneven and it is difficult to open one side.

[0089] This equipment needs to pickle the Torreya grandis before processing. The pickling methods in this scheme include:

[0090] 1) Use a peeling machine to remove the skin of freshly collected Torreya grandis nuts and keep the kernels;

[0091] 2) The peeled kernels are pickled to remove bacteria, insects and other debris from the kernels;

[0092] 3) After pickling, the kernels are dried in the sun to control the surface moisture;

[0093] 4) The dried nuts are sterilized and disinfected thoroughly;

[0094] 5) The processed kernels are transported to the opening machine through a conveyor for opening.

[0095] The skin of Torreya grandis is removed by a professional Torreya grandis peeling machine. The peeled Torreya grandis is pickled. The pickling process includes the following steps: the first step is to prepare lime water in a ratio of 10-25%, fully blend the prepared lime water with the kernels, and soak the kernels for 120-180 minutes; the second step is to wash the kernels soaked in lime water with high-pressure water to remove surface attachments; the third step is to soak the washed kernels with brittle compound water, which takes 2-4 hours to soak; the fourth step is to remove the soaked kernels, freeze them for 24 hours, and finally take them out to complete the pickling.

[0096] The lime water in this scheme uses food grade lime water, and the ratio of water to lime is between 10-25%. The lime water test data analysis is as follows:

[0097]

[0098] From the above data, we can see that through the lime water mixed in various proportions, the data at different times and different temperature environments, it can be seen that when the lime water ratio is 8%, the immersion time is 100, 120 and 180 minutes respectively, the corresponding water temperature is controlled in the range of 10, 22 and 30 ℃, the insecticide rates are 76%, 79% and 81% respectively, and the residual rates are 5.4%, 4.8% and 8.3% respectively. When the lime water ratio is 18%, the immersion time is 100, 120 and 180 minutes respectively, the corresponding water temperature is controlled in the range of 10, 22 and 30 ℃, the insecticide rates are 89%, 93% and 97% respectively, and the residual rates are 10. The percentage of lime water was 9.1%, 5.6% and 10.8%, while when the percentage of lime water was 29%, the soaking time was 100, 120 and 180 minutes respectively, and the corresponding water temperature was controlled in the range of 10, 22 and 30 ℃, the insecticidal rates were 86%, 91% and 99% respectively, and the residual rates were 10%, 9.2% and 11.5%. From the above table, it can be seen that in a suitable temperature environment, the insecticidal effect and residual rate of lime water with a percentage of 10-25% are the lowest. When the temperature is at 22 ℃, the activity of microorganisms or insects is the highest. In a comfortable environment, microorganisms and insects can easily detach from the surface of Torreya grandis, retrieve harmful organisms on the surface of Torreya grandis, and improve food safety and health.

[0099] In this scheme, after the initial lime water soaking, the microorganisms and insect eggs remaining on the surface of the peeling process are effectively removed, and the brittle compound water is used for soaking. The brittle compound water concentration is 4‰ and the soaking time is 2-4 hours. The specific experimental data are as follows:

[0100] Brittle agent composite water concentration Residual rate Case cracking time (seconds) 3.5‰ concentration 1.1% 13 4% concentration 1.3% 9 4.5% concentration 1.3% 11 5.1% concentration 2.5% 7

[0101] The experimental data is obtained by brewing water of different proportions, applying the same pressure in the same environment for the same time, and the results are as follows:

[0102] After being soaked in 3.5‰ concentration of composite water for 2 hours, a pressure of 50 MPa was applied on a 30X30CM steel plate, and it took 13 seconds for Torreya grandis to crack. After being soaked in 4% concentration of composite water for 2 hours, a pressure of 50 MPa was applied on a 30X30CM steel plate, and it took 9 seconds for Torreya grandis to crack. After being soaked in 4.5‰ concentration of composite water for 2 hours, a pressure of 50 MPa was applied on a 30X30CM steel plate, and it took 11 seconds for Torreya grandis to crack. After being soaked in 5.1‰ concentration of composite water for 2 hours, a pressure of 50 MPa was applied on a 30X30CM steel plate, and it took 7 seconds for Torreya grandis to crack. Considering that the residual rates of the embrittlement agent after washing with composite water are 1.1%, 1.3%, 1.3% and 2.5% respectively, the water concentration in this scheme is preferably 4‰, which has a lower residual rate and a better embrittlement effect.

[0103] In this scheme, the final step is freezing treatment. During the freezing treatment, the surface porosity of Torreya grandis is detected by microscope, as shown in the following table:

[0104] Freezing temperature The number of holes in the 1CM range on the surface of Torreya grandis -50℃ 15 -78℃ 22 -89℃ 24 -96℃ 23 -137℃ 24

[0105] In this experimental data, a 1CM range circle was drawn on the surface of Torreya grandis within the range of -50-137 degrees Celsius, and the number of cracks, dry cracks, fine lines or holes formed on the surface due to freezing within this range were observed under a microscope. When the temperature was at -50%, the number of holes on the surface of Torreya grandis was 15, when the temperature was at -78%, the number of holes on the surface of Torreya grandis was 22, when the temperature was at -89%, the number of holes on the surface of Torreya grandis was 24, when the temperature was at -96%, the number of holes on the surface of Torreya grandis was 23, and when the temperature was at -137%, the number of holes on the surface of Torreya grandis was 24. In summary, when the temperature drops below -80°C, the number of holes or cracks on the surface is basically stable between 23 and 24. Since the number of holes is more beneficial to the opening of Torreya grandis in the later stage, but due to the cost problem caused by freezing treatment, the freezing temperature range in this scheme can be within the range of -80°C to -100°C.

[0106] The principle of the freezing treatment in this scheme is that since the Chinese torreya has sufficient internal moisture after being soaked, this scheme quickly freezes the moisture inside the Chinese torreya through the principle of thermal expansion and contraction. The freezing squeezes the surface of the Chinese torreya and destroys the physical structure of its surface. For example, the surface of frozen tofu is honeycomb-shaped after freezing. This is because the internal moisture shrinks and the uniform physical structure of the surface changes after the structure. The ice particles after the structure are converted into water and discharged under the temperature environment, making the surface honeycomb, cracked or porous. The freezing principle in this scheme is basically the same as the above principle. Although the holes or fine lines on the surface are not obvious, only a small force is needed to open holes on the surface of the Chinese torreya. In this scheme, the surface of the Chinese torreya is opened by a vibrating screen device.

[0107] It should be noted that the illustrations provided in the above embodiments are only used to illustrate the basic concept of the present invention in a schematic manner. Therefore, the drawings only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0108] The present invention may also include more other equivalent embodiments. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present disclosure should be included in the protection scope of the present disclosure.

Claims

1. A Torreya grandis opening device, characterized in that: It includes a bubble barrel, a conveying device, a hopper and a box body, wherein the bubble barrel and the hopper are connected by a conveyor belt, a sterilizing device for sterilization is arranged in the middle of the conveyor belt, and the hopper is placed on the upper part of the box body; The bubble barrel is a metal bubble barrel, an impeller for stirring is arranged inside the bubble barrel, a material discharge port is arranged at the lower part of the bubble barrel, and a conveyor belt is arranged at the lower part of the material discharge port; The conveying device includes a conveying pipe and a conveying belt placed in the conveying pipe, the conveying pipe includes a sealing pipe, one end of the sealing pipe is placed at the lower part of the foam barrel discharge port, and the other end is placed at the upper part of the hopper, and the conveying belt includes a crawler conveyor belt; The hopper comprises a V-shaped hopper, a discharge port is arranged at the lower part of the hopper, and the discharge port is connected to the box body; The box body includes an equipment box placed at the upper part and a drying box placed at the lower part of the equipment box; the equipment box includes a heat pump unit placed inside the equipment box, and the heat pump unit is connected to the air inlet and the air outlet in the drying box through an air inlet pipe and an air outlet pipe respectively; the drying box includes an insulation layer placed around the drying box and used for heat preservation, and a material collecting device placed in the drying box; The material collecting device comprises a screen plate, and a vibration device disposed on both sides of the screen plate, wherein the vibration device comprises a vibration motor; The sieve plate comprises a groove arranged on the surface and a through groove arranged on one side of the groove, and the grooves and the through grooves are evenly arranged in sequence on the surface of the sieve plate; The inner wall surface of the groove is provided with bumps, and the bumps are evenly distributed on the inner walls on both sides of the groove; The convex blocks include conical convex blocks and arc-shaped convex blocks; The conical protrusion comprises a protrusion protruding along the inner side of the groove, the thickness of the front part of the protrusion is smaller than that of the rear part, that is, the protrusion gradually narrows toward the inner side of the groove; The arc-shaped convex block includes a central concave convex block, and the two sides of the convex block protrude outward along the length direction of the groove to form a convex shape on both sides of the central concave. The thickness of the front section of the convex block is smaller than that of the rear section, that is, the convex block gradually narrows along the inner side of the groove; The bottom of the groove is provided with sieve holes, and the sieve holes are evenly distributed at the bottom of the groove; The closer the sieve holes on the sieve plate are to the sieve holes on the upper part of the drying box, the larger the sieve holes are, and vice versa. The vibration device is fixed on the inner wall of the drying box and connected to the screen plate through a connecting rod; The grooves and through slots on the surfaces of two adjacent sieve plates on the sieve plates are arranged in reverse order.

2. The Torreya grandis opening device according to claim 1, characterized in that: The inner surface of the bubble barrel is provided with a frosted layer, and the frosted layer includes a frosted particle layer evenly distributed on the surface; A water inlet device is arranged on the upper part of the bubble barrel, and the water inlet device comprises a spray port, and the spray port is connected with an external water pipe.

3. The Torreya grandis opening device according to claim 1, characterized in that: The sterilization device comprises a cover body, a high-speed air outlet disposed in the cover body, a UV sterilization lamp disposed at the rear end of the air outlet, and a hot air outlet disposed at the end; A water collecting tank is provided at the lower part of the cover body, and the water collecting tank discharges the water in the water collecting tank to the outside through a water collecting pipe; The high-speed air outlet inputs cold air into the housing through the fan, and the cold air acts on the surface of the Torreya grandis on the conveying device to quickly dry the surface moisture; The UV sterilization lamp can sterilize the Torreya grandis after air cooling; The hot air outlet inputs hot air onto the cover body, and the hot air acts on the surface of the Torreya grandis on the conveying device to preliminarily heat it.

4. The Torreya grandis opening device according to claim 1, characterized in that: The hopper is a sealed hopper. After the Torreya grandis is fed into the hopper via a conveyor belt, it passes through a weighing device provided in the hopper. When the weighing device reaches a pre-designed weight, a command is sent to open the discharge port at the bottom of the hopper, and the Torreya grandis is conveyed into the box through the discharge port.

5. The Torreya grandis opening device according to claim 1, characterized in that: A feeding pipe is arranged at the upper part of the box body, and the feeding pipe is connected with the discharge port at the lower part of the hopper.

6. The Torreya grandis opening device according to claim 1, characterized in that: The surface of the box body is provided with a display panel for displaying the temperature status and time data in the drying box.

7. A method for opening Torreya grandis using the Torreya grandis opening device according to any one of claims 1 to 6, characterized in that: 1) Use a peeling machine to remove the skin of freshly collected Torreya grandis nuts and keep the kernels; 2) The peeled kernels are pickled to remove bacteria, insect eggs and other debris on the kernels; 3) After pickling, the kernels are dried in the sun to control the surface moisture; 4) Sterilize and disinfect the dried nuts; 5) The processed kernels are transported to the Torreya grandis opening equipment for opening by conveyor or manually.

8. A method for opening Torreya grandis according to claim 7, characterized in that: The pickling method comprises: 1) Prepare lime water in a ratio of 1:4, fully blend the prepared lime water with the nuts, and soak the nuts for 120-180 minutes; 2) Wash the kernels soaked in lime water with high pressure water to remove the attachments on the surface; 3) Soak the washed kernels in the compound water containing the brittle agent for 2-4 hours; 4) Take out the soaked kernels, freeze them for 24 hours, and finally take them out to complete the pickling.

9. A method for opening Torreya grandis according to claim 8, characterized in that: The brittleness enhancer compound water includes 3‰ nut-specific enzymes.

10. A method for opening Torreya grandis according to claim 8, characterized in that: The freezing treatment includes rapidly freezing the kernel and the interior of the kernel by liquid nitrogen. The interior of the kernel shrinks and becomes tighter due to the low temperature, and the density of the kernel shell increases, which serves as a pretreatment for subsequent baking.

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