Food material sterilization device

Abstract

The invention relates to a food material sterilization device which comprises a mixing cavity, a gas injection cavity, a degassing cavity and an overflow assembly, the mixing cavity is provided with a material inlet, the gas injection cavity is provided with a body inlet, the gas injection cavity is arranged on the side of the mixing cavity, and the gas injection cavity and the mixing cavity are communicated through a gas injection hole; the degassing cavity is arranged below the mixing cavity, the degassing cavity and the mixing cavity are communicated through a material guide channel, the overflow assembly comprises a rotating shaft, a multi-layer overflow disc and a rotary driving device, the multi-layer overflow disc is connected to the rotating shaft, the multi-layer overflow disc sequentially receives falling food materials, and the rotary driving device is used for driving the rotating shaft to rotate. According to the food material sterilization device, the high-viscosity materials can be uniformly and rapidly heated, on the basis of not increasing the water content of the materials and not influencing the quality of the materials, the gas content of the materials is reduced, the quality of the materials is improved, and rapid sterilization of the high-viscosity food materials is achieved.

Description

Technical Field

[0001] The invention relates to the technical field of food sterilization, in particular to a food material sterilization device. Background Art

[0002] As an important part of food processing, material sterilization is of great significance to the preservation and safety of food. Generally, food materials are sterilized by a partition-type sterilization device or a spray-type sterilization device. When a partition-type heat exchange device is used, if the viscosity of the food material is very high, sterilization cannot be achieved in a short time, and the temperature of the material is uneven, resulting in poor sterilization effect. The use of a direct spray-type sterilization device has the disadvantage of high sterilization temperature, which will increase the moisture content of the material. How to achieve rapid sterilization of high-viscosity food materials without increasing the moisture content of the material and affecting the quality of the material is a technical problem that has been recorded and solved in this field. Summary of the invention

[0003] To this end, the present invention provides a food material sterilization device, which can uniformly and quickly heat high-viscosity materials without increasing the moisture content of the materials or affecting the quality of the materials.

[0004] In order to solve the above technical problems, the present invention provides a food material sterilization device, comprising:

[0005] A mixing chamber, wherein the top of the mixing chamber is provided with a material inlet for receiving unsterilized food materials;

[0006] An injection chamber, wherein the injection chamber is provided with a gas inlet for receiving a high-temperature inert gas, the injection chamber is arranged on the side of the mixing chamber and the two are connected through an injection hole;

[0007] A degassing chamber, wherein the bottom of the degassing chamber is provided with a material outlet for discharging sterilized food materials and a gas outlet for discharging gas, the degassing chamber is arranged below the mixing chamber and the two are connected through a material guide channel;

[0008] An overflow component, the overflow component includes a rotating shaft, a multi-layer overflow disk and a rotating drive device, the rotating shaft is rotatably connected to the shell of the degassing chamber in a vertical direction, the multi-layer overflow disk is arranged in the degassing chamber and is sequentially connected to the rotating shaft from top to bottom, the top overflow disk receives the food material falling from the material guide channel, and among the two adjacent overflow disks, the overflow disk of the lower layer can receive the food material overflowing from the overflow disk of the upper layer, and the food material overflowing from the bottom overflow disk falls into the degassing chamber, and the rotating drive device is used to drive the rotating shaft to rotate.

[0009] Furthermore, the mixing chamber is a cylindrical cavity, the jet chamber is an annular cavity, the jet chamber surrounds the outside of the mixing chamber, and a plurality of the jet holes are densely distributed on the isolation side wall between the mixing chamber and the jet chamber.

[0010] Furthermore, the top of the jet chamber is provided with a plurality of gas inlets evenly distributed around the central axis of the mixing chamber.

[0011] Furthermore, an annular air inlet passage surrounding the central axis of the mixing chamber is provided above the jet chamber, and an air inlet hole and a plurality of air outlet holes are provided on the side wall of the annular air inlet passage, and the plurality of air outlet holes are respectively connected to the plurality of gas inlets.

[0012] Furthermore, the material guiding channel is a funnel-shaped channel, a large port of the funnel-shaped channel faces upward and is connected to the mixing chamber, and a small port of the funnel-shaped channel faces downward and is connected to the degassing chamber.

[0013] Furthermore, the material outlet is located below the edge of the overflow tray at the lowest layer.

[0014] Furthermore, the mixing chamber, the jet chamber and the degassing chamber are enclosed by a shell assembly, and the shell assembly includes:

[0015] a first cylinder, wherein two ends of the first cylinder are respectively facing upward and downward, the cylinder cavity of the first cylinder is the mixing cavity, and the first cylinder is provided with the air injection hole;

[0016] A second cylinder, the two ends of which are facing upward and downward respectively, the second cylinder is sleeved on the outer side of the first cylinder, and the interlayer space between the two is the jet chamber;

[0017] a first annular plate, the first annular plate being connected to the upper ends of the first cylinder and the second cylinder and closing the upper end of the jet chamber, the first annular plate being provided with the gas inlet;

[0018] A sealing head, the sealing head is connected to the first annular plate and the sealing head closes the central through hole of the first annular plate, and the material inlet is arranged on the sealing head;

[0019] a second annular plate connected to the lower ends of the first cylinder and the second cylinder and closing the lower end of the jet chamber;

[0020] A material guide pipe, the material guide pipe is connected to the central through hole of the second annular plate, and the lumen of the material guide pipe is the material guide channel;

[0021] A third cylinder, wherein two ends of the third cylinder are respectively facing upward and downward, the upper end of the third cylinder is connected to the lower side of the second annular plate, the cylinder cavity of the third cylinder is the degassing cavity, and the gas outlet is arranged on the third cylinder;

[0022] A bottom end plate is connected to the lower end of the third cylinder, and the bottom end plate is provided with the material outlet and a rotating shaft hole for connecting the rotating shaft.

[0023] Furthermore, the rotary drive device and the bottom end plate are connected to a base.

[0024] Furthermore, the overflow disk includes a disk body and a cofferdam, the disk body is connected to the rotating shaft, the center of the upper surface of the disk body is convex, and the cofferdam protrudes upward and encloses the edge of the disk body.

[0025] Furthermore, the rotary drive device is a motor, and the motor is connected to the rotating shaft through a synchronous wheel and a synchronous belt transmission.

[0026] The above technical solution of the present invention has the following advantages compared with the prior art:

[0027] 1) In the food material sterilization device described in the present invention, the food material enters the mixing chamber, and the high-temperature inert gas enters the jet chamber, and then is sprayed into the mixing chamber through the jet hole, so as to crush and heat the material from top to bottom in the mixing chamber, thereby achieving a sterilization effect. Subsequently, the material and the high-temperature inert gas enter the overflow disk in the degassing chamber, and the overflow disk rotates at a high speed. Under the action of centrifugal force and the cofferdam, the material forms a material liquid layer of a certain thickness on each layer of the overflow disk from top to bottom, so that the material reaches a certain residence time, thereby removing the inert gas mixed in during the sterilization process, and finally the inert gas is extracted through the gas outlet, and the sterilized material enters the subsequent processing steps through the material outlet. The food material sterilization device of the present invention uniformly and rapidly heats the high-viscosity material, reduces the gas content of the material and improves the material quality without increasing the moisture content of the material or affecting the quality of the material, thereby achieving rapid sterilization of high-viscosity food materials;

[0028] 2) In the food material sterilization device of the present invention, the jet chamber surrounds the outer side of the mixing chamber, and the high-temperature inert gas enters the mixing chamber from all sides, thereby increasing the contact area between the high-temperature inert gas and the food material;

[0029] 3) The food material sterilization device of the present invention has a plurality of gas inlets disposed in the jet chamber, so that the high-temperature inert gas can enter the jet chamber quickly and evenly;

[0030] 4) The food material sterilization device of the present invention is convenient for supplying gas to multiple gas inlets by providing an annular air inlet channel;

[0031] 5) The food material sterilization device of the present invention has a material guide channel which is a funnel-shaped channel, so as to facilitate guiding the material into the overflow tray;

[0032] 6) In the food material sterilization device of the present invention, the material outlet is located below the edge of the bottom overflow tray, and the food material overflowing from the bottom overflow tray can directly fall into the material outlet;

[0033] 7) The food material sterilization device of the present invention, through the above-mentioned shell assembly, makes the structure of the food material sterilization device more compact and reasonable;

[0034] 8) The food material sterilization device of the present invention is connected as a whole by providing a base;

[0035] 9) In the food material sterilization device of the present invention, the center of the upper surface of the overflow disk is convex, so that the food material on the overflow disk can generate centrifugal force when rotating, so that the gas in the food material is thrown out;

[0036] 10) The food material sterilizing device described in the present invention has a relatively flexible installation position of the motor by arranging a motor, a synchronous wheel and a synchronous belt, and the installation position of the motor can be selected according to actual needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments of the present invention in conjunction with the accompanying drawings.

[0038] Figure 1 It is an overall schematic diagram of the food material sterilization device of the present invention;

[0039] Figure 2 It is a schematic diagram of the internal structure and working principle of the food material sterilization device of the present invention;

[0040] Figure 3 It is a schematic diagram of the connection between the first cylinder, the second cylinder, the first annular plate, the second annular plate and the flow guide pipe in the present invention;

[0041] Figure 4 It is a schematic diagram of the head in the present invention;

[0042] Figure 5 It is a connection diagram of the third cylinder, the bottom end plate and the overflow assembly in the present invention.

[0043] Explanation of the reference numerals in the drawings in the specification: 11. mixing chamber; 12. material inlet; 13. jet hole; 14. material guide channel; 21. jet chamber; 22. gas inlet; 31. degassing chamber; 32. material outlet; 33. gas outlet; 41. rotating shaft; 42. overflow plate; 421. plate body; 422. cofferdam; 43. rotary drive device; 44. synchronous wheel; 45. synchronous belt; 51. annular air inlet channel; 61. first cylinder; 62. second cylinder; 63. first annular plate; 64. end cover; 65. second annular plate; 66. material guide pipe; 67. third cylinder; 68. bottom end plate; 7. base. DETAILED DESCRIPTION

[0044] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0045] See also Figures 1 to 5 As shown, one embodiment of the food material sterilization device provided by the present invention.

[0046] The above-mentioned food material sterilization device comprises:

[0047] A mixing chamber 11, wherein the top of the mixing chamber 11 is provided with a material inlet 12 for receiving unsterilized food materials;

[0048] The jet chamber 21 is provided with a gas inlet 22 for receiving high-temperature inert gas. The jet chamber 21 is provided on the side of the mixing chamber 11 and the two are connected through the jet hole 13;

[0049] A degassing chamber 31, wherein a material outlet 32 ​​for discharging sterilized food materials and a gas outlet 33 for discharging gas are provided at the bottom of the degassing chamber 31, and the degassing chamber 31 is arranged below the mixing chamber 11 and the two are connected through a material guide channel 14;

[0050] Overflow assembly, the overflow assembly includes a rotating shaft 41, a multi-layer overflow disk 42 and a rotating drive device 43, the rotating shaft 41 is rotatably connected to the shell of the degassing chamber 31 around the vertical direction, the multi-layer overflow disk 42 is arranged in the degassing chamber 31 and is connected to the rotating shaft 41 in sequence from top to bottom, the uppermost overflow disk 42 receives the food material falling from the material guide channel 14, and among the two adjacent layers of the overflow disk 42, the lower overflow disk 42 can receive the food material overflowing from the upper overflow disk 42, and the food material overflowing from the lower overflow disk 42 falls into the degassing chamber 31, and the rotating drive device 43 is used to drive the rotating shaft 41 to rotate.

[0051] The mixing chamber 11, the jet chamber 21 and the degassing chamber 31 are all spaces enclosed by the shell. The mixing chamber 11 is used to guide the food material to move from top to bottom under the action of its own weight. The jet chamber 21 and the jet hole 13 are used to spray the high-temperature inert gas into the mixing chamber 11. The degassing chamber 31 is used to accommodate the overflow assembly and the degassed food material. The diameters of the multi-layer overflow discs 42 increase from top to bottom, so that the lower overflow disc 42 can receive the food material overflowing from the upper overflow disc 42. The rotating drive device 43 is connected to the rotating shaft 41 in a transmission manner to drive the rotating shaft 41 to rotate around the vertical direction.

[0052] The food material enters the mixing chamber 11, and the high-temperature inert gas enters the jet chamber 21, and then is sprayed into the mixing chamber 11 through the jet hole 13, breaking and heating the material from top to bottom inside the mixing chamber 11, thereby achieving a sterilization effect. Subsequently, the material and the high-temperature inert gas enter the overflow disk 42 in the degassing chamber 31, and the overflow disk 42 rotates at a high speed. Under the action of centrifugal force and the cofferdam, the material forms a material liquid layer of a certain thickness from top to bottom on each layer of the overflow disk, so that the material reaches a certain residence time, thereby removing the inert gas mixed in the sterilization process, and finally the inert gas is extracted through the gas outlet, and the sterilized material enters the subsequent processing step through the material outlet. The food material sterilization device of the present invention uniformly and quickly heats the high-viscosity material, reduces the gas content of the material, improves the material quality, and realizes the rapid sterilization of high-viscosity food materials without increasing the moisture content of the material and affecting the quality of the material. Specifically in this embodiment, the above-mentioned high-temperature inert gas is high-temperature nitrogen.

[0053] In this embodiment, the mixing chamber 11 is a cylindrical cavity, the jet chamber 21 is an annular cavity, the jet chamber 21 surrounds the outside of the mixing chamber 11, and a plurality of the jet holes 13 are densely distributed on the isolation side wall between the mixing chamber 11 and the jet chamber 21.

[0054] The axis of the mixing chamber 11 extends in the vertical direction, and the jet chamber 21 surrounds the outside of the mixing chamber 11. Therefore, the high-temperature inert gas can enter the mixing chamber 11 from all directions, thereby increasing the contact area with the food material in the mixing chamber and improving the mixing effect of the food material and the high-temperature inert gas.

[0055] In this embodiment, the top of the jet chamber 21 is provided with a plurality of gas inlets 22 evenly distributed around the central axis of the mixing chamber.

[0056] By providing a plurality of gas inlets 22 , the gas is allowed to enter the gas injection chamber 21 uniformly, thereby making the gas in the gas injection chamber 21 uniform.

[0057] In this embodiment, an annular air inlet channel 51 surrounding the central axis of the mixing chamber 11 is also provided above the jet chamber 21, and the side wall of the annular air inlet channel 51 is provided with an air inlet hole and multiple air outlet holes, and the multiple air outlet holes are respectively connected to the multiple gas inlets.

[0058] The annular air inlet passage 51 is a cavity of an annular tube, and supplies gas to a plurality of gas inlets 22 through the annular tube, so the structure is simpler and more compact.

[0059] In this embodiment, the material guiding channel 14 is a funnel-shaped channel, the large end of the funnel-shaped channel faces upward and is connected to the mixing chamber 11 , and the small end of the funnel-shaped channel faces downward and is connected to the degassing chamber 31 .

[0060] The material guiding channel 14 is a funnel-shaped channel. On the one hand, the food materials in the mixing chamber 11 can easily enter the material guiding channel 14 . On the other hand, the food materials falling from the material guiding channel 14 can easily enter the overflow tray 42 .

[0061] In this embodiment, the material outlet 32 ​​is located below the edge of the overflow tray 42 at the bottom layer.

[0062] The food material overflowing from the overflow tray 42 of the lowest layer will fall into the degassing chamber. The material outlet 32 ​​is located below the edge of the overflow tray 42 of the lowest layer, which can reduce the accumulation of food material in the degassing chamber.

[0063] In this embodiment, the mixing chamber 11, the jet chamber 21 and the degassing chamber 31 are enclosed by a shell assembly, and the shell assembly includes:

[0064] A first cylinder 61, wherein two ends of the first cylinder 61 face upward and downward respectively, a cylinder cavity of the first cylinder 61 is the mixing cavity 11, and the first cylinder 61 is provided with the jet hole 13;

[0065] The second cylinder 62 has two ends facing upward and downward respectively. The second cylinder 62 is sleeved on the outer side of the first cylinder 61, and the interlayer space between the two is the jet chamber 21;

[0066] a first annular plate 63, the first annular plate 63 being connected to the upper ends of the first cylinder 61 and the second cylinder 62 and closing the upper end of the jet chamber 21, the first annular plate 63 being provided with the gas inlet 22;

[0067] A sealing head 64, wherein the sealing head 64 is connected to the first annular plate 63 and closes the central through hole of the first annular plate 63, and the material inlet 12 is provided on the sealing head 64;

[0068] A second annular plate 65, the second annular plate 65 is connected to the lower ends of the first cylinder 61 and the second cylinder 62 and closes the lower end of the jet chamber 21;

[0069] A material guide pipe 66, the material guide pipe 66 is connected to the central through hole of the second annular plate 65, and the lumen of the material guide pipe 66 is the material guide channel 14;

[0070] A third cylinder 67, wherein two ends of the third cylinder 67 face upward and downward respectively, the upper end of the third cylinder 67 is connected to the lower side of the second annular plate 65, the cylinder cavity of the third cylinder 67 is the degassing cavity 31, and the gas outlet 33 is arranged on the third cylinder 67;

[0071] The bottom end plate 68 is connected to the lower end of the third cylinder 67 , and the bottom end plate 68 is provided with the material outlet 32 ​​and a shaft hole for connecting the shaft 41 .

[0072] The above-mentioned interconnected components can be detachably connected or non-detachably connected, as long as normal use can be guaranteed. Specifically, the above-mentioned first annular plate 63 is welded to the upper ends of the first cylinder 61 and the second cylinder 62, the above-mentioned head 64 is flange-connected to the first annular plate 63, the above-mentioned second annular plate 65 is welded to the lower ends of the first cylinder 61 and the second cylinder 62, the above-mentioned material guide pipe 66 is welded to the second annular plate 65, the above-mentioned third cylinder 67 is flange-connected to the above-mentioned second annular plate 65, and the above-mentioned bottom end plate 68 is welded to the above-mentioned third cylinder 67. The above-mentioned shell assembly makes the structure of the food material sterilization device more compact and reasonable.

[0073] In this embodiment, the rotation driving device 43 and the bottom end plate 68 are connected to a base 7 .

[0074] The base 7 is a bottom plate, the two ends of which are bent downward to form legs, and the rotary drive device 43 and the bottom end plate 68 are connected to the upper side of the bottom plate. The entire food material sterilization device is connected as a whole, which is convenient for installation, transportation and use.

[0075] In this embodiment, the overflow disk 42 includes a disk body 421 and a cofferdam 422 . The disk body 421 is connected to the rotating shaft 41 . The upper surface of the disk body 421 is centrally convex. The cofferdam 422 protrudes upward and encloses the edge of the disk body 421 .

[0076] The upper surface of the above-mentioned disc body 421 is a conical surface, which is conducive to the centrifugal force generated by the food material during the rotation process. The above-mentioned cofferdam 422 is higher than the upper surface of the above-mentioned disc body 421. The height of the cofferdam 422 can be adjusted according to the properties of the material, thereby controlling the thickness of the liquid layer and the emergency stop time to achieve the best degassing effect. The above-mentioned overflow disc 42 can be an integrated structure or a non-integrated structure. If it is an integrated structure, the above-mentioned cofferdam 422 is formed by folding the edge of the disc body 421 upward.

[0077] In this embodiment, the rotation driving device 43 is a motor, and the motor is connected to the rotating shaft 41 via a synchronous wheel 44 and a synchronous belt 45 .

[0078] The rotating shaft 41 and the power output shaft of the motor are both connected with a synchronous wheel 44, and the synchronous belt 45 drives and connects the two synchronous wheels 44. In this way, the motor does not need to be installed at the bottom of the degassing chamber, so that the food material sterilization device will not be too high.

[0079] Obviously, the above embodiments are merely examples for clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the protection scope of the invention.

Claims

1. A food material sterilization device, characterized in that: include: A mixing chamber, wherein the top of the mixing chamber is provided with a material inlet for receiving unsterilized food materials; An injection chamber, wherein the injection chamber is provided with a gas inlet for receiving high-temperature inert gas, the injection chamber is arranged on the side of the mixing chamber and the two are connected through an injection hole; A degassing chamber, wherein the bottom of the degassing chamber is provided with a material outlet for discharging sterilized food materials and a gas outlet for discharging gas, the degassing chamber is arranged below the mixing chamber and the two are connected through a material guide channel; An overflow component, the overflow component includes a rotating shaft, a multi-layer overflow disk and a rotating drive device, the rotating shaft is rotatably connected to the shell of the degassing chamber in a vertical direction, the multi-layer overflow disk is arranged in the degassing chamber and is sequentially connected to the rotating shaft from top to bottom, the top overflow disk receives the food material falling from the material guide channel, and among the two adjacent overflow disks, the overflow disk of the lower layer can receive the food material overflowing from the overflow disk of the upper layer, and the food material overflowing from the bottom overflow disk falls into the degassing chamber, and the rotating drive device is used to drive the rotating shaft to rotate.

2. The food material sterilization device according to claim 1, characterized in that: The mixing chamber is a cylindrical chamber, the jet chamber is an annular chamber, the jet chamber surrounds the outside of the mixing chamber, and a plurality of jet holes are densely distributed on the isolation side wall between the mixing chamber and the jet chamber.

3. The food material sterilization device according to claim 2, characterized in that: The top of the jet chamber is provided with a plurality of gas inlets evenly distributed around the central axis of the mixing chamber.

4. The food material sterilization device according to claim 3, characterized in that: An annular air inlet passage surrounding the central axis of the mixing chamber is also provided above the jet chamber, and an air inlet hole and a plurality of air outlet holes are provided on the side wall of the annular air inlet passage, and the plurality of air outlet holes are respectively connected to the plurality of gas inlets.

5. The food material sterilization device according to claim 1, characterized in that: The material guiding channel is a funnel-shaped channel, a large end of the funnel-shaped channel faces upward and is connected to the mixing chamber, and a small end of the funnel-shaped channel faces downward and is connected to the degassing chamber.

6. The food material sterilization device according to claim 1, characterized in that: The material outlet is located below the edge of the overflow tray at the lowest layer.

7. The food material sterilization device according to claim 1, characterized in that: The mixing chamber, the jet chamber and the degassing chamber are surrounded by a shell assembly, and the shell assembly includes: a first cylinder, wherein two ends of the first cylinder are respectively facing upward and downward, the cylinder cavity of the first cylinder is the mixing cavity, and the first cylinder is provided with the air injection hole; A second cylinder, the two ends of which are facing upward and downward respectively, the second cylinder is sleeved on the outer side of the first cylinder, and the interlayer space between the two is the jet chamber; a first annular plate, the first annular plate being connected to the upper ends of the first cylinder and the second cylinder and closing the upper end of the jet chamber, the first annular plate being provided with the gas inlet; A sealing head, the sealing head is connected to the first annular plate and the sealing head closes the central through hole of the first annular plate, and the material inlet is arranged on the sealing head; a second annular plate connected to the lower ends of the first cylinder and the second cylinder and closing the lower end of the jet chamber; A material guide pipe, the material guide pipe is connected to the central through hole of the second annular plate, and the lumen of the material guide pipe is the material guide channel; A third cylinder, wherein two ends of the third cylinder are respectively facing upward and downward, the upper end of the third cylinder is connected to the lower side of the second annular plate, the cylinder cavity of the third cylinder is the degassing cavity, and the gas outlet is arranged on the third cylinder; A bottom end plate is connected to the lower end of the third cylinder, and the bottom end plate is provided with the material outlet and a rotating shaft hole for connecting the rotating shaft.

8. The food material sterilization device according to claim 7, characterized in that: The rotary drive device and the bottom end plate are connected to a base.

9. The food material sterilization device according to claim 1, characterized in that: The overflow plate includes a plate body and a cofferdam. The plate body is connected to the rotating shaft. The center of the upper surface of the plate body is convex upward, and the cofferdam protrudes upward and surrounds the edge of the plate body.

10. The food material sterilization device according to claim 1, characterized in that: The rotary drive device is a motor, and the motor is connected to the rotating shaft through a synchronous wheel and a synchronous belt transmission.

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