Rapid food pickling device

Abstract

The utility model belongs to the technical field of food processing, and relates to a rapid food pickling device. The device comprises a central control system and a cavity, a baffle is arranged in the cavity and divides the cavity into a low-frequency electrostatic field pickling cavity and a pulse variable-pressure pickling cavity, and stirrers are arranged in the two cavities; polar plates I are arranged on the inner wall of the low-frequency electrostatic field pickling cavity, polar plates II are symmetrically arranged on the corresponding side walls of the polar plates I, and waste liquid ports are formed in the outer sides of the side walls; a power source is arranged at the bottom of the pulsating variable-pressure pickling cavity, a feeding port is formed in the side wall of the cavity, an inverted-T-shaped pipeline is further arranged on the outer side of the side wall, the bottom end of the inverted-T-shaped pipeline is communicated with the cavity, a positive pressure control module and a negative pressure control module are arranged on the two sides of the upper end of the T-shaped pipeline respectively, a pressure pump is arranged on one side of the positive pressure control module, and a negative pressure control module is arranged on the other side of the negative pressure control module. And a vacuum exhaust valve is arranged on one side of the negative pressure control module. The food pickling device is suitable for wet pickling and dry pickling, the pickling efficiency and the pickling uniformity are effectively improved, efficient and rapid food pickling is achieved, and the application prospect is wide.

Description

Technical Field

[0001] The utility model belongs to the technical field of food processing, and in particular relates to a food quick pickling device. Background Art

[0002] Pickling is a traditional food processing and preservation method, which can be divided into dry pickling and wet pickling. Dry pickling is to use dry salt or mixed salt to first rub the surface of the food, that is, there is juice exudation, and then stack them in layers in the pickling container. Salt should be evenly sprinkled between the layers, and each layer is compacted in turn. Under external pressure or no pressure, the salt solution (called brine) is formed by the exuded juice for pickling. The advantages of dry pickling are simple operation and less loss of nutrients; the disadvantages are uneven pickling, large weight loss, too salty taste, and poor color. Wet pickling is to dissolve salt, sugar, soy sauce and other ingredients in water to prepare a pickling liquid, and then immerse the raw materials in the pickling liquid for pickling. This method can avoid the shortcomings of dry pickling to a certain extent and accelerate the speed and uniformity of pickling. Whether it is dry pickling or wet pickling, pickling efficiency and pickling uniformity have always been difficult problems to overcome.

[0003] In essence, the pickling efficiency and pickling uniformity are determined by the difficulty of the pickling material entering the cells of the food. At present, the most commonly used methods to improve the pickling efficiency are to use physical fields, such as vacuum, pressurization, tumbling, etc., to promote the solute ions and molecules in the pickling liquid, such as hydrogen, sodium, potassium, chloride ions, etc., to penetrate into the tissues and cells of the pickled food. At the same time, the osmotic pressure can be used to reduce the water content of the food, thereby promoting the penetration and diffusion of the material, shortening the pickling time, and improving the pickling uniformity; such as a multi-physical field joint drive meat pickling equipment (CN202210265281.8) and a processing device for quickly pickling bacon based on vacuum tumbling (CN 201811174411.7) reported in existing literature; however, these methods are only applicable to wet pickling methods, and are not effective for dry pickling methods without liquid. Summary of the invention

[0004] In view of the shortcomings of the prior art, the utility model provides a food pickling device based on low-frequency electrostatic field and pulsating voltage transformation technology, which can achieve the pickling effect of the traditional pickling method, effectively reduce the amount of pickling materials, shorten the pickling time, and greatly improve the uniformity of the pickled food. It is also suitable for wet pickling and dry pickling, effectively improving the pickling efficiency of dry pickling and wet pickling, and realizing efficient and rapid pickling of food.

[0005] In order to achieve the above technical objectives, the utility model adopts the following scheme:

[0006] A food quick pickling device, comprising a central control system, a cavity and a baffle plate; the baffle plate is arranged inside the cavity, dividing the cavity into an upper and lower part, the upper part is a low-frequency electrostatic field pickling cavity, and the lower part is a pulsating variable voltage pickling cavity;

[0007] A stirrer is provided inside the low-frequency electrostatic field pickling chamber, and a waste liquid outlet is provided on the outer side of the side wall thereof; at the same time, a pole plate 1 is provided on one side of the inner wall of the low-frequency electrostatic field pickling chamber, and the pole plate 1 is composed of an anode plate 1 and a cathode plate 1, wherein the cathode plate 1 is superimposed on the anode plate 1; a pole plate 2 is symmetrically provided on the corresponding side wall of the pole plate 1, and the pole plate 2 is composed of an anode plate 2 and a cathode plate 2, and the cathode plate 2 is superimposed on the anode plate 2;

[0008] A power source is provided at the bottom of the pulsating variable pressure marinating cavity, an agitator is provided inside the cavity, and a feed port is provided on the side wall of the cavity; and an inverted "T"-shaped pipe is also provided on the outer side of the side wall of the pulsating variable pressure marinating cavity, the bottom end of the "T"-shaped pipe is connected to the pulsating variable pressure marinating cavity, and a positive pressure control module and a negative pressure control module are respectively provided on both sides of the upper end of the "T"-shaped pipe, a pressure pump is provided on one side of the positive pressure control module, and a vacuum exhaust valve is provided on one side of the negative pressure control module.

[0009] Preferably, the central control system consists of a display and a control machine, which are connected via an HDMI data cable to achieve data transmission and control.

[0010] Preferably, there are two agitators in the low-frequency electrostatic field marinating cavity, which are symmetrically arranged on the side wall of the cavity.

[0011] Preferably, the baffle is made of food-grade 316 stainless steel, and is divided into a fixed part and a movable part, the fixed part is fixedly connected to the cavity, and the movable part is movably connected to the cavity; the fixed part and the movable part are connected by a sealing hinge.

[0012] Preferably, the barrier plate divides the cavity into two equal parts, the upper and lower parts; the heights of the electrode plate 1 and the electrode plate 2 are consistent with the height of the low-frequency electrostatic field pickling cavity.

[0013] Preferably, the control machine in the central control system is connected to the first and second plates of the low-frequency electrostatic field pickling chamber via a power line, and is connected to the positive pressure control module and the negative pressure control module via a data line.

[0014] Preferably, there are two agitators inside the pulsating pressure-changing marinating cavity, which are symmetrically arranged.

[0015] Based on the pickling method of food rapid pickling device, the specific operations are as follows:

[0016] S1. Dry salting method:

[0017] The ingredients are mixed with dry pickling materials and placed in a low-frequency electrostatic field pickling chamber, and the baffle is closed; the power is turned on, and the electric field treatment is started, and the electric field is generated by the first and second plates, and the electric field strength is 0.5-2.0 kV / cm, and the electric field frequency is 100-500 Hz. After the treatment for 10-20 minutes, the stirrer inside the low-frequency electrostatic field pickling chamber is turned on to stir for 2-5 minutes, and then the stirring is stopped; the electric field treatment is continued for 10-20 minutes at the same electric field strength and electric field frequency, and the electric field treatment is stopped after the treatment, and the stirring is turned on again for 2-5 minutes. The electric field treatment and stirring are performed alternately in this way. After the treatment is continued for 2-3 hours, the immersion is completed, and the water generated by the pickling of the ingredients is discharged from the waste liquid outlet.

[0018] S2. For wet pickling or mixed pickling:

[0019] The ingredients and the pickling dry materials are placed in a low-frequency electrostatic field pickling chamber, and the baffle is closed; the power is turned on, and the electric field treatment is started, and the electric field is generated by the first and second plates, and the electric field strength is 0.5-2.0 kV / cm, and the electric field frequency is 100-500 Hz. After the treatment for 10-20 minutes, the stirrer inside the low-frequency electrostatic field pickling chamber is turned on to stir for 2-5 minutes, and then the stirring is stopped; the electric field treatment is continued for 10-20 minutes at the same electric field strength and electric field frequency, and the electric field treatment is stopped after the treatment, and the stirring is turned on again for 2-5 minutes, and the electric field treatment and stirring are performed alternately in this way. After the treatment is continued for 2-3 hours, the wastewater generated by the pickling of the ingredients is discharged from the waste liquid outlet;

[0020] After the wastewater is discharged, the baffle is opened to allow the food in the low-frequency electrostatic field pickling chamber to enter the pulsating variable pressure pickling chamber, and then the pickling liquid is added from the feed inlet to start pickling alternately under positive pressure, atmospheric pressure, and negative pressure. Each pickling time is 8-12 hours.

[0021] The main working steps in the positive pressure state are: open the positive pressure collector to collect the pressure value in the pulsating pressure-changing pickling chamber, and display it on the central control system, compare the collected pressure value with the set value, if it is less than 95% of the set value, turn on the pressure pump and close other valves; if it exceeds 105% of the set value, close the positive pressure valve; if it is within the range of 95% to 105% of the set value, maintain the original pressure without making any changes.

[0022] The main working steps under the atmospheric pressure state are: collecting the current pressure value in the pickling container, comparing the collected pressure value with the atmospheric pressure value, and opening the atmospheric pressure valve if the pressure value in the pickling container is not equal to the atmospheric pressure.

[0023] The main working steps under the negative pressure state are: collect the pressure value in the current pickling container, compare the collected pressure value with the set value, if it is less than 95% of the set value, open the vacuum exhaust valve and close other valves; if it exceeds 105% of the set value, close the vacuum exhaust valve; if it is within the range of 95% to 105% of the set value, maintain the original negative pressure without making any changes.

[0024] Beneficial effects:

[0025] The utility model provides a method and device for rapid food pickling by combining a low-frequency electrostatic field with a pulsating voltage transformer. A symmetrical pole plate is arranged in a low-frequency electrostatic field pickling chamber, and the low-frequency electric field generated by the pole plate is utilized to destroy the cell structure of food materials. At the same time, a barrier plate is provided, which is beneficial to the conversion control of wet pickling and dry pickling, thereby realizing efficient and rapid food pickling.

[0026] On the other hand, an inverted "T"-shaped pipe is provided on the outer side of the side wall of the pulsating transformer pickling cavity. The bottom end of the "T"-shaped pipe is connected to the pulsating transformer pickling cavity. A positive pressure control module and a negative pressure control module are respectively provided on both sides of the upper end of the "T"-shaped pipe. A pressure pump is provided on one side of the positive pressure control module, and a vacuum exhaust valve is provided on one side of the negative pressure control module. A pressure pump and an exhaust valve are used in the pulsating transformer electric field to perform pickling alternately in positive pressure, atmospheric pressure and negative pressure states in the pulsating transformer cavity. The pressure difference pushes the pickling material into the pickling tank and penetrates into the food raw materials, accelerating the solid and liquid pickling materials to evenly and quickly enter the food materials, thereby improving the pickling uniformity and pickling efficiency.

[0027] In addition, since the cavity is an integrated design, the pickling process is carried out in a closed space, which inhibits the growth and reproduction of bacteria. Therefore, the device of the utility model can use multiple methods to work together to accelerate the flavoring. Compared with the existing food pickling and flavoring technology, it improves the uniformity and efficiency of pickling, significantly reduces the consumption of raw materials, and improves the product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A food rapid pickling device combining low-frequency electrostatic field and pulsating voltage transformation;

[0029] Figure 2 It is a low-frequency electrostatic field pickling cavity, wherein 2 is a low-frequency electrostatic field pickling cavity;

[0030] Figure 3 Pulsating variable pressure marinating chamber;

[0031] Figure markings: 1 is a central control system, 2 is a low-frequency electrostatic field pickling chamber, 3 is a barrier plate, 4 is a pulsating voltage-changing pickling chamber, 5-1 is a stirrer 1, 5-2 is a stirrer 2, 5-3 is a stirrer 3, 5-4 is a stirrer 4, 6 is a waste liquid port, 7 is a feed port, 8-1 is anode plate 1, 8-2 is anode plate 2, 9-1 is cathode plate 1, 9-2 is cathode plate 2, 10 is a power supply, 12 is a pressure pump, 13 is a positive pressure control module, 14 is a vacuum exhaust valve, and 15 is a negative pressure control module. DETAILED DESCRIPTION

[0032] Various exemplary embodiments of the present invention are now described in detail. This detailed description should not be considered as limiting the present invention, but should be understood as a more detailed description of certain aspects, features and embodiments of the present invention.

[0033] Unless otherwise specified, all technical and scientific terms used herein have the same meanings as commonly understood by those skilled in the art in the field of the utility model. All documents mentioned in this specification are incorporated by reference to disclose and describe the methods and / or materials related to the documents. In the event of a conflict with any incorporated document, the content of this specification shall prevail.

[0034] It will be apparent to those skilled in the art that various modifications and variations may be made to the specific embodiments of the present invention without departing from the scope or spirit of the present invention. Other embodiments derived from the present invention will be apparent to those skilled in the art. The present invention description and examples are merely exemplary.

[0035] like Figures 1 to 3 As shown, a device for rapid pickling of food comprises a central control system 1, a cavity and a baffle plate 3; the baffle plate 3 is made of food-grade 316 stainless steel, is arranged inside the cavity, and divides the cavity into two equal parts, the upper part is a low-frequency electrostatic field pickling cavity 2, and the lower part is a pulsating variable voltage pickling cavity 4; the baffle plate 3 is made of two parts, namely a fixed part and a movable part, the fixed part is fixedly connected to the cavity, and the movable part is movably connected to the cavity; the fixed part and the movable part are connected by a sealing hinge.

[0036] Two agitators are arranged inside the low-frequency electrostatic field pickling cavity 2, namely agitators 5-1 and agitators 5-2, which are symmetrically arranged on the side walls of the cavity; in addition, a waste liquid port 6 is arranged on the outer side of the side wall of the low-frequency electrostatic field pickling cavity 2; at the same time, a pole plate 1 is also arranged on one side of the inner wall of the low-frequency electrostatic field pickling cavity 2, and the pole plate 1 is composed of an anode plate 8-1 and a cathode plate 9-1, wherein the cathode plate 9-1 is superimposed on the anode plate 8-1; a pole plate 2 is symmetrically arranged on the corresponding side wall of the pole plate 1, and the pole plate 2 is composed of an anode plate 8-2 and a cathode plate 9-2, and the cathode plate 9-2 is superimposed on the anode plate 8-2; the heights of the pole plates 1 and 2 are consistent with the height of the low-frequency electrostatic field pickling cavity 2 (the height of the cathode plate is not higher than the anode plate), so that the low-frequency electric field can uniformly process the pickled material.

[0037] A power source 10 is provided at the bottom of the pulsating variable pressure pickling chamber 4, and 11 is grounding protection. Two agitators are symmetrically provided inside the pulsating variable pressure pickling chamber 4, namely agitator 5-3 and agitator 5-4; a feed port 7 is provided on the side wall of the chamber; and an inverted "T"-shaped pipe is also provided on the outside of the side wall of the pulsating variable pressure pickling chamber 4, the bottom end of the "T"-shaped pipe is connected to the pulsating variable pressure pickling chamber 4, and a positive pressure control module 13 and a negative pressure control module 15 are provided on both sides of the upper end of the "T"-shaped pipe, respectively, a pressure pump 12 is provided on one side of the positive pressure control module 13, and a vacuum exhaust valve 14 is provided on one side of the negative pressure control module 15.

[0038] Among them, the central control system 1 is composed of a display and a control machine, which are connected via an HDMI data cable to realize data transmission and control; the control machine in the central control system 1 is connected to the plate 1 and the plate 2 of the low-frequency electrostatic field pickling cavity 2 through a power line, and is connected to the positive pressure control module 13 and the negative pressure control module 15 through a data line.

[0039] S1 dry pickling method: place the food and the pickling dry materials together into the low-frequency electrostatic field pickling chamber 2, close the baffle plate 3; turn on the power supply 10, start the electric field treatment, the electrode plate 1 and the electrode plate 2 generate an electric field, the electric field strength is 0.5-2.0 kV / cm, the electric field frequency is 100-500 Hz, after 10-20 minutes of treatment, turn on the stirrer inside the low-frequency electrostatic field pickling chamber 2 to stir for 2-5 minutes, then stop stirring, continue to turn on the electric field treatment for 10-20 minutes at the same electric field strength and electric field frequency, stop the electric field treatment after treatment, and turn on stirring again for 2-5 minutes, so that the electric field treatment and stirring are alternately performed, and after 2-3 hours of continuous treatment, the wastewater generated by the pickling of the food is discharged from the waste liquid port 6;

[0040] S2 is for wet pickling or mixed pickling: put the food and pickling dry materials into the low-frequency electrostatic field pickling chamber 2, close the baffle plate 3; after pickling according to the dry pickling method, drain the waste water, open the baffle plate 3, and the dry pickled food enters the pulsating variable pressure pickling chamber 4, and the pickling liquid is added from the feed inlet 7. Start to pickle alternately in positive pressure-atmospheric pressure-negative pressure state for 8 to 12 hours. Compare the collected pressure value with the set value on the central control system 1, and use the pressure pump 12 and the vacuum exhaust valve 14 to control the air pressure value in the pulsating variable pressure pickling chamber 4 for wet pickling.

[0041] Embodiment 1:

[0042] Take dry pickled radish as an example; a quick dry pickling method for dried radish, the operation method is as follows:

[0043] Wash and cut into 10×1×1cm 3 The radish strips are placed together with the dry pickled ingredients into the low-frequency electrostatic field pickling cavity 2, and the barrier plate 3 is closed; then the power supply 10 is turned on, and the electric field treatment is started. The electrode plate 1 and the electrode plate 2 generate an electric field with an electric field strength of 0.5 kV / cm and an electric field frequency of 500 Hz. After the treatment for 15 minutes, the stirrer 1 5-1 and the stirrer 2 5-2 in the low-frequency electrostatic field pickling cavity 2 are turned on to stir for 2 minutes, and then the stirring is stopped; the electric field treatment is continued for 10 minutes at the same electric field strength and electric field frequency, and the electric field treatment is stopped after the treatment, and the stirring is turned on again for 2 minutes. In this way, the electric field treatment and stirring are performed alternately. After the treatment is continued for 2 hours, the wastewater generated by the pickling of the ingredients is discharged from the waste liquid port 6 to obtain dry pickled radish strips.

[0044] Embodiment 2:

[0045] Take wet curing or mixed curing of bacon as an example; a wet curing method or mixed curing method of bacon, the operation method is as follows:

[0046] 1 kg 40×7×5cm 3 After the long strips of pork belly are washed and dried, they are placed together with the marinated dry materials into the low-frequency electrostatic field marinating chamber 2, and the barrier plate 3 is closed; the power supply 10 is turned on, and the electric field treatment is started. The electric field is generated by the electrode plate 1 and the electrode plate 2, and the electric field strength is 2.0kV / cm and the electric field frequency is 100Hz. After the treatment for 20 minutes, the stirrer inside the low-frequency electrostatic field marinating chamber 2 is turned on to stir for 5 minutes, and then the stirring is stopped. The electric field treatment is continued for 20 minutes according to the same electric field strength and electric field frequency. After the treatment, the electric field treatment is stopped and the stirring is turned on again for 5 minutes. In this way, the electric field treatment and stirring are alternately performed. After the treatment for 2 hours, the wastewater generated by the food pickling is discharged from the waste liquid port 6;

[0047] After the waste water is discharged, the baffle plate 3 is opened, and the pork belly enters the pulsating variable pressure marinating cavity 4. The marinating liquid is added into the pulsating variable pressure marinating cavity 4 through the feed port 7, and the marinating is started alternately under positive pressure, atmospheric pressure and negative pressure. First, the positive pressure collector is opened to collect the pressure value in the pulsating variable pressure marinating cavity 4, and displayed on the display of the central control system 1. The collected pressure value is compared with the set value. If it is less than 95% of the set value, the pressure pump 12 is turned on and other valves are closed. If it exceeds 105% of the set value, the positive pressure valve is closed. If it is within the range of 95% to 105% of the set value, the original pressure is maintained without any change. After marinating for 12 hours, the current pressure value in the marinating container is collected, and the collected pressure value is compared with the atmospheric pressure value. If the pressure value in the marinating container is not equal to the atmospheric pressure, the normal pressure valve is opened. After continuing to marinate for 12 hours, the current pressure value in the marinating container is collected, and the collected pressure value is compared with the set value. If it is less than 95% of the set value, the vacuum exhaust valve 14 is opened and other valves are closed; if it exceeds 105% of the set value, the vacuum exhaust valve 14 is closed; if it is within the range of 95% to 105% of the set value, the original negative pressure is maintained without any change; then the pork belly is marinated for 12 hours under negative pressure to obtain the marinated pork belly.

[0048] The traditional pickling method is to mix the meat and the pickling liquid and fully immerse the meat in the pickling liquid; while the present invention uses the pressure difference in the pulsating pressure transformer cavity to push the pickling material into the pickling tank and penetrate into the food raw materials, thereby accelerating the pickling material to evenly and quickly enter the food materials, improving the pickling uniformity and pickling efficiency, and at the same time reducing the growth and reproduction of bacteria, making the meat tighter and more shiny.

[0049] Note: The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention; therefore, although this specification has described the present invention in detail with reference to the above embodiments, a person skilled in the art should understand that the present invention can still be modified or replaced by equivalents; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A food quick pickling device, It is characterized in that The device comprises a central control system (1), a cavity and a baffle (3); the baffle (3) is arranged inside the cavity, dividing the cavity into an upper and lower part, the upper part being a low-frequency electrostatic field pickling cavity (2), and the lower part being a pulsating variable voltage pickling cavity (4); A stirrer is provided inside the low-frequency electrostatic field pickling chamber (2), and a waste liquid outlet (6) is provided on the outer side of the side wall thereof; at the same time, a first electrode plate is provided on one side of the inner wall of the low-frequency electrostatic field pickling chamber (2), wherein the first electrode plate is composed of an anode plate (8-1) and a cathode plate (9-1), wherein the cathode plate (9-1) is superimposed on the first anode plate (8-1); a second electrode plate is symmetrically provided on the corresponding side wall of the first electrode plate, wherein the second electrode plate is composed of an anode plate (8-2) and a cathode plate (9-2), and the cathode plate (9-2) is superimposed on the second anode plate (8-2); A power source (10) is provided at the bottom of the pulsating variable pressure pickling cavity (4), a stirrer is provided inside the cavity, and a feed port (7) is provided on the side wall of the cavity; and an inverted "T"-shaped pipe is also provided on the outside of the side wall of the pulsating variable pressure pickling cavity (4), the bottom end of the "T"-shaped pipe is connected to the pulsating variable pressure pickling cavity (4), and a positive pressure control module (13) and a negative pressure control module (15) are provided on both sides of the upper end of the "T"-shaped pipe, a pressure pump (12) is provided on one side of the positive pressure control module (13), and a vacuum exhaust valve (14) is provided on one side of the negative pressure control module (15).

2. A food rapid pickling device according to claim 1, It is characterized in that The central control system (1) consists of a display and a control machine, which are connected via an HDMI data cable to achieve data transmission and control.

3. A food rapid pickling device according to claim 1, It is characterized in that Two stirrers are provided in the low-frequency electrostatic field pickling cavity (2), and are symmetrically arranged on the side wall of the cavity.

4. A food rapid pickling device according to claim 1, It is characterized in that The baffle plate (3) is made of food-grade 316 stainless steel and is divided into a fixed part and a movable part, wherein the fixed part is fixedly connected to the cavity and the movable part is movably connected to the cavity; the fixed part and the movable part are connected by a sealing hinge.

5. A food rapid pickling device according to claim 1, It is characterized in that The control machine in the central control system (1) is connected to the first and second pole plates of the low-frequency electrostatic field pickling chamber (2) via a power line, and is connected to the positive pressure control module (13) and the negative pressure control module (15) via a data line.

6. A food rapid pickling device according to claim 1, It is characterized in that The barrier plate (3) divides the cavity into two equal parts, an upper part and an lower part; the heights of the first electrode plate and the second electrode plate are consistent with the height of the low-frequency electrostatic field pickling cavity (2).

7. A food rapid pickling device according to claim 1, It is characterized in that There are two agitators inside the pulsating variable pressure marinating cavity (4), which are symmetrically arranged.

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