Replacement equipment for carbon dioxide in coffee beans

Abstract

The utility model discloses replacement equipment for carbon dioxide in coffee beans, which comprises a tank body, a high-pressure air charging device, an air exhausting device and a stirring device, a cavity is formed in the tank body, and the coffee beans are arranged in the cavity; a cavity is formed in the tank body, and coffee beans are placed in the cavity; the exhaust device is communicated with the cavity; the stirring device comprises a driving assembly and a stirring assembly, the stirring assembly comprises a connecting rod and stirring blades, one end of the connecting rod penetrates through the tank body and extends into the cavity to be connected with the stirring blades, the other end of the connecting rod is connected with the driving assembly, and the stirring blades are spirally arranged in the axis direction of the connecting rod with the connecting rod as the circle center. On the basis, the high-pressure inert gas is used for washing the coffee beans, so that residual carbon dioxide in the coffee beans is discharged, the efficiency of reducing the carbon dioxide in the coffee beans is improved, the residual quantity of the carbon dioxide in the coffee beans is reduced, the replacement efficiency of the carbon dioxide in the coffee beans is improved, and the time for waking and cultivating the coffee beans is shortened.

Description

Technical Field

[0001] This utility model belongs to the field of coffee processing, and in particular relates to a device for replacing carbon dioxide in coffee beans. Background Technology

[0002] Freshly roasted coffee beans release a large amount of carbon dioxide during the high-temperature roasting process, and this gas is trapped in the micropores inside the bean. If it is not released in time, it will affect the consistency of extraction and flavor expression.

[0003] Currently, it is possible to replace carbon dioxide in coffee beans with nitrogen. For example, patent CN219165612U discloses a preservation and degassing device for roasted coffee beans and powder, including a pressure tank with an inlet at the top and an outlet at the bottom. One side of the pressure tank is connected to a nitrogen generator, and the other side is connected to a vacuum pump. The pressure tank is also connected to a pressure relief pipe with a one-way pressure relief valve. A pressure gauge is also installed on the pressure tank to monitor the pressure inside. This preservation and degassing device for roasted coffee beans and powder can effectively delay the aging period of coffee beans and powder during temporary storage, increase the preservation function during the production and storage of coffee beans and powder, accelerate the discharge of excess gas in coffee beans and powder during temporary storage, shorten the production cycle, and achieve the goal of controlling the degassing period and controlling the carbon dioxide content of the finished product during the production and storage of coffee beans and powder.

[0004] Although the device can remove excess gas from coffee beans using nitrogen and control the carbon dioxide content in the beans, the large amount of coffee beans piled up in the pressure vessel means that it takes a long time to completely remove the carbon dioxide from all the beans. Utility Model Content

[0005] This invention provides a device for replacing carbon dioxide in coffee beans, which improves the efficiency of carbon dioxide replacement in coffee beans.

[0006] According to a first aspect of the present invention, an embodiment of the present invention provides a device for replacing carbon dioxide in coffee beans, comprising:

[0007] The container has an internal cavity where coffee beans are placed.

[0008] The high-pressure gas filling device includes a jet assembly and a high-pressure gas source. The jet assembly is connected to the high-pressure gas source through a pipeline. The jet assembly is located at the top of the cavity. The high-pressure gas source fills the cavity with high-pressure inert gas through the jet assembly to expel carbon dioxide from the coffee beans.

[0009] An exhaust device is connected to the cavity, through which carbon dioxide is discharged from the cavity.

[0010] A stirring device is provided, comprising a drive assembly and a stirring assembly. The stirring assembly includes a connecting rod and stirring blades. One end of the connecting rod passes through the tank and extends into the cavity to connect with the stirring blades. The other end of the connecting rod is connected to the drive assembly. The stirring blades are arranged in a spiral shape along the axis of the connecting rod with the connecting rod as the center.

[0011] Optionally, the jet assembly is located at the top of the cavity, and the stirring blades are located at the bottom of the cavity and connected to one end of the connecting rod.

[0012] Optionally, the jet assembly includes a main nozzle and multiple sub-nozzles. One end of the main nozzle is connected to a high-pressure gas source via a pipeline, and the other end of the main nozzle is connected to multiple sub-nozzles respectively. The multiple sub-nozzles are radially distributed in a circumferential shape.

[0013] Optionally, the high-pressure inflation device also includes a pressure regulating valve installed on the pipeline.

[0014] Optionally, the center of the circumference formed by the multiple nozzles is aligned with the connecting rod.

[0015] Optionally, there are multiple stirring blades, which are evenly divided into multiple stirring blade groups. Each stirring blade group is spaced apart along the axial direction of the connecting rod, and the stirring blades in each stirring blade group are arranged in a circular array with the connecting rod as the center.

[0016] Optionally, the surface of the stirring blades is provided with a silicone layer.

[0017] Optionally, the tank body is provided with a first exhaust port and a second exhaust port, the first exhaust port is located above the second exhaust port, and both the first exhaust port and the second exhaust port are in communication with the cavity;

[0018] The exhaust device includes a filter and a suction device, with the filter connected to a first exhaust port and the suction device connected to a second exhaust port.

[0019] Optionally, the filter is connected to the first exhaust port via an exhaust pipe;

[0020] The exhaust system also includes a pressure sensor and a carbon dioxide detector, which are connected to the exhaust pipe.

[0021] Optionally, the device for replacing carbon dioxide in coffee beans also includes:

[0022] The controller is communicatively connected to the high-pressure inflation device, the exhaust device, and the stirring device.

[0023] The technical solutions provided by the embodiments of this utility model bring at least the following beneficial effects:

[0024] This utility model provides a device for replacing carbon dioxide in coffee beans. The device consists of a tank with an inlet and an outlet, and an internal cavity. Freshly roasted coffee beans enter the cavity through the inlet. After the beans enter, inert gas from a high-pressure gas source flows into the cavity through a pipe from the jet assembly. Because the inert gas is injected at high pressure, it enters the coffee beans and expels any residual carbon dioxide. Simultaneously, a drive assembly drives a connecting rod to agitate the coffee beans in the cavity with stirring blades. The spirally arranged stirring blades cause the surrounding coffee beans to rotate, allowing more beans to come into contact with the high-pressure inert gas. Most of the carbon dioxide in the coffee beans is then expelled by the high-pressure inert gas, and the expelled carbon dioxide flows out of the cavity along with the continuously injected inert gas through an exhaust device. Based on this, by using high-pressure inert gas to flush coffee beans, residual carbon dioxide is removed, improving the efficiency of carbon dioxide removal, reducing the amount of residual carbon dioxide, increasing the carbon dioxide replacement efficiency, and reducing the time required for bean proofing and resting.

[0025] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit the present invention. Attached Figure Description

[0026] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the present invention, but do not constitute an undue limitation of the present invention.

[0027] Figure 1 This is a structural diagram illustrating a device for replacing carbon dioxide in coffee beans according to an exemplary embodiment.

[0028] Figure label:

[0029] 10- Carbon dioxide replacement device for coffee beans; 11- Tank; 111- Cavity; 12- High-pressure gas filling device; 121- Jet assembly; 1211- Main nozzle; 1212- Sub-nozzle; 1213- Pressure regulating valve; 122- High-pressure gas source; 13- Exhaust device; 14- Stirring device; 141- Drive assembly; 142- Stirring assembly; 1421- Connecting rod; 1422- Stirring blade. Detailed Implementation

[0030] To better understand the above-mentioned objectives, features, and advantages of this disclosure, the solutions disclosed herein will be further described below. It should be noted that, unless otherwise specified, the embodiments and features described herein can be combined with each other.

[0031] Numerous specific details are set forth in the following description in order to provide a full understanding of this disclosure, but this disclosure may also be implemented in other ways different from those described herein; obviously, the embodiments in the specification are only some, and not all, of the embodiments of this disclosure.

[0032] As described in the background section, freshly roasted coffee beans release a large amount of carbon dioxide during the high-temperature roasting process. This gas is trapped within the micropores inside the beans. If it is not released in time, it will affect the consistency of extraction and flavor profile.

[0033] Based on this, the present invention provides a device for replacing carbon dioxide in coffee beans. The following is a description of the carbon dioxide replacement device for coffee beans provided in the embodiments of the present invention.

[0034] Example 1:

[0035] like Figure 1 As shown;

[0036] In one example, a carbon dioxide replacement device 10 for coffee beans includes:

[0037] The container 11 has a cavity 111 inside, and coffee beans are placed in the cavity 111.

[0038] The high-pressure gas filling device 12 includes a jet assembly 121 and a high-pressure gas source 122. The jet assembly 121 is connected to the high-pressure gas source 122 through a pipeline. The jet assembly 121 is located at the top of the cavity 111. The high-pressure gas source 122 fills the cavity 111 with high-pressure inert gas through the jet assembly 121 so that the carbon dioxide in the coffee beans is expelled.

[0039] Exhaust device 13 is connected to cavity 111, and carbon dioxide is discharged from cavity 111 through exhaust device 13.

[0040] The stirring device 14 includes a drive assembly 141 and a stirring assembly 142. The stirring assembly 142 includes a connecting rod 1421 and a stirring blade 1422. One end of the connecting rod 1421 passes through the tank 11 and extends into the cavity 111 to connect with the stirring blade 1422. The other end of the connecting rod 1421 is connected to the drive assembly 141. The stirring blade 1422 is spirally arranged with the connecting rod 1421 as the center and along the axial direction of the connecting rod 1421.

[0041] In the above embodiment, the tank 11 is provided with an inlet and an outlet, and an internal cavity 111 is provided. Freshly roasted coffee beans enter the cavity 111 through the inlet. After the coffee beans enter the cavity 111, the inert gas in the high-pressure gas source 122 flows into the cavity 111 through the jet assembly 121 via the pipeline. Since the inert gas is injected under high pressure, it enters the coffee beans and expels the residual carbon dioxide inside the coffee beans. At the same time, the drive assembly 141 drives the connecting rod 1421 to drive the stirring blade 1422 to stir the coffee beans in the cavity 111. The spirally arranged stirring blade 1422 can drive the surrounding coffee beans to rotate together, allowing more coffee beans to come into contact with the high-pressure inert gas. Then, most of the carbon dioxide in the coffee beans can be expelled by the high-pressure inert gas, and the expelled carbon dioxide will flow out of the cavity 111 along with the continuously injected inert gas through the exhaust device 13. Based on this, by using high-pressure inert gas to flush coffee beans, residual carbon dioxide is removed, improving the efficiency of carbon dioxide removal, reducing the amount of residual carbon dioxide, increasing the carbon dioxide replacement efficiency, and reducing the time required for bean proofing and resting.

[0042] Specifically, the inert gas can be nitrogen, which is a gas that is widely present in the air and does not pollute the air. Furthermore, nitrogen does not react with the coffee beans themselves and is safe and reliable. Therefore, nitrogen can be used to remove residual carbon dioxide from the coffee beans.

[0043] Preferably, the drive component 141 is a servo motor, which can further control the rotation speed and rotation time of the stirring component 142, thereby improving the controllability of coffee bean stirring.

[0044] In another example, the canister 11 can also be made into a double-walled canister, including an inner cavity and an outer cavity. The outer cavity is used to pre-store high-pressure inert gas, and the inner cavity is used to hold coffee beans. In this way, there is no need to prepare an additional high-pressure gas source 122. The jet assembly 121 in the inner cavity can be directly connected to the outer cavity, and the high-pressure inert gas in the outer cavity will enter the inner cavity through the jet assembly 121.

[0045] Alternatively, in one example, the jet assembly 121 is disposed at the top of the cavity 111, and the stirring blade 1422 is located at the bottom of the cavity 111 and connected to one end of the connecting rod 1421.

[0046] In the above example, by placing the jet assembly 121 at the top of the cavity 111 and the stirring blade 1422 at the bottom of the cavity 111, the ejected high-pressure inert gas can be directed directly at the coffee beans stirred by the stirring blade 1422 below, thereby improving the displacement effect of the high-pressure inert gas on the coffee beans.

[0047] Optionally, in one example, the jet assembly 121 includes a main nozzle 1211 and a plurality of sub-nozzles 1212. One end of the main nozzle 1211 is connected to a high-pressure gas source 122 via a pipeline, and the other end of the main nozzle 1211 is connected to a plurality of sub-nozzles 1212 respectively. The plurality of sub-nozzles 1212 are radially distributed in a circumferential shape.

[0048] In the example above, high-pressure inert gas enters each of the sub-spray pipes 1212 from the main nozzle 1211 and is sprayed into the cavity 111 from each sub-spray pipe 1212. The sub-spray pipes 1212 are radially distributed in a circumferential shape. This increases the coverage area of ​​the high-pressure inert gas injection, thereby improving the inert gas filling efficiency. This allows as many coffee beans as possible to be directly flushed by the high-pressure inert gas, improving the carbon dioxide removal effect and reducing the coffee bean awakening and resting time.

[0049] Alternatively, in one example, the high-pressure inflation device 12 also includes a pressure regulating valve 1213, which is installed on the pipeline.

[0050] In the above example, by installing a pressure regulating valve 1213 on the pipeline, the pressure and displacement effect of the inert gas entering the cavity 111 to replace carbon dioxide in the coffee beans can be adjusted as needed.

[0051] Alternatively, in one example, the circumferential center formed by the plurality of nozzles 1212 is aligned with the connecting rod 1421.

[0052] In the example above, by aligning the center of the circumference of the nozzle with the connecting rod 1421, it means that multiple nozzles and multiple stirring blades 1422 are concentrically arranged. This allows the coverage area formed by the high-pressure inert gas jet from the nozzle to overlap as much as possible with the coverage area formed by the stirring blades 1422 stirring the coffee beans. This enables the high-pressure inert gas to come into contact with more of the stirred coffee beans, improving the efficiency of carbon dioxide replacement in the coffee beans.

[0053] Example 2:

[0054] Optionally, in one example, there are multiple stirring blades 1422, and multiple stirring blade groups are evenly distributed. Each stirring blade group is spaced apart along the axial direction of the connecting rod 1421, and the stirring blades 1422 in each stirring blade group are arranged in a circular array with the connecting rod 1421 as the center.

[0055] In the above example, multiple stirring blades 1422 are divided into multiple stirring blade groups, and the stirring blades 1422 in the multiple stirring blade groups are arranged in a circular arrangement with the connecting rod 1421 as the center. This increases the contact area between the stirring blades 1422 and the coffee beans, improves the stirring ability of the coffee beans, and allows more coffee beans to come into contact with the high-pressure inert gas, thereby improving the efficiency of reducing carbon dioxide in the coffee beans, reducing the residual amount of carbon dioxide in the coffee beans, and reducing the time for coffee bean aging and resting.

[0056] Optionally, in one example, the surface of the stirring blade 1422 is provided with a silicone layer. By providing the silicone layer, the possibility of the stirring blade 1422 being scratched during the stirring of coffee beans can be reduced, thereby ensuring the quality of the coffee beans.

[0057] In Example 2, all the processes of Example 1 above can be implemented and the same technical effects can be achieved. To avoid repetition, they will not be described again here.

[0058] Example 3:

[0059] Optionally, in one example, the tank 11 has a first exhaust port and a second exhaust port, the first exhaust port is located above the second exhaust port, and both the first exhaust port and the second exhaust port are in communication with the cavity 111;

[0060] The exhaust device 13 includes a filter and a suction device, wherein the filter is connected to a first exhaust port and the suction device is connected to a second exhaust port.

[0061] In the above example, by setting a first exhaust port and a second exhaust port, carbon dioxide can be discharged from the cavity 111 from the first exhaust port, and a filter is connected at the first exhaust port to filter and absorb the discharged carbon dioxide, so as to reduce environmental pollution.

[0062] After the carbon dioxide in the coffee beans is removed by high-pressure inert gas, the cavity 111 is filled with inert gas. The inert gas can be drawn from the second exhaust port using a suction device, which makes it easy to take out the coffee beans that have been rested and awakened from the cavity 111. The connection between the first exhaust port, the second exhaust port and the cavity 111 is provided with a grid to prevent the coffee beans from being discharged from the cavity 111 through the first exhaust port or the second exhaust port.

[0063] Optionally, in one example, the filter is connected to the first exhaust port via an exhaust pipe;

[0064] The exhaust device 13 also includes a pressure sensor and a carbon dioxide detector, which are connected to the exhaust pipe.

[0065] In the example above, by installing a pressure sensor and a carbon dioxide detector on the exhaust pipe, the carbon dioxide content and pressure of the gas discharged through the exhaust pipe can be effectively monitored. When the carbon dioxide content decreases and the gas pressure increases, it can be assumed that the gas in the coffee beans in cavity 111 has been completely expelled, and the bean-resting process is complete. This improves the controllability of the coffee bean resting and awakening process.

[0066] Optionally, in one example, the carbon dioxide replacement device 10 in the coffee beans further includes:

[0067] The controller is communicatively connected to the high-pressure inflation device 12, the exhaust device 13, and the stirring device 14.

[0068] In the above example, by communicating with the high-pressure inflation device 12 and the exhaust device 13 respectively, the controller can be used to control the start of the high-pressure inflation device 12 and the exhaust device 13, as well as automatically control the stirring device 14, thereby realizing automatic control of coffee bean aging, reducing manual intervention, and realizing the automation of coffee bean aging operation.

[0069] Specifically, when coffee beans are poured into cavity 111 from the inlet of tank 11, the inlet and outlet of tank 11 are closed, as are the first and second exhaust ports, making cavity 111 a sealed environment. The controller controls the high-pressure gas filling device 12 to pre-pressurize cavity 111 (filling in a small amount of high-pressure inert gas), making cavity 111 a positive pressure environment. The controller then controls the high-pressure gas filling device 12 to spray inert gas into cavity 111 according to a preset pressure gradient, while simultaneously driving the stirring device 14 to stir the coffee beans in cavity 111, so that each coffee bean is exposed to the inert gas, allowing the high-pressure inert gas to squeeze out the carbon dioxide from the coffee beans, thereby achieving the bean-rearing operation.

[0070] Specifically, when the controller is unable to control any of the devices, it will also trigger an alarm to alert the staff.

[0071] In Example 3, the various processes of Example 1 and / or Example 2 described above can be implemented and the same technical effects can be achieved. To avoid repetition, they will not be described again here.

[0072] The above description is merely a specific embodiment of this utility model. Those skilled in the art will understand that, for the sake of convenience and brevity, the specific working processes of the systems, modules, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here. It should be understood that the protection scope of this utility model is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this utility model, and these modifications or substitutions should all be covered within the protection scope of this utility model.

Claims

1. A device for replacing carbon dioxide in coffee beans, characterized in that, The device for replacing carbon dioxide in the coffee beans includes: A canister, the interior of which is formed a cavity, and coffee beans are placed in the cavity; A high-pressure gas filling device, comprising an air jet assembly and a high-pressure gas source, wherein the air jet assembly is connected to the high-pressure gas source via a pipeline, and the high-pressure gas source fills the cavity with high-pressure inert gas through the air jet assembly to expel carbon dioxide from the coffee beans; An exhaust device is connected to the cavity, through which carbon dioxide is discharged from the cavity; A stirring device, comprising a drive assembly and a stirring assembly, the stirring assembly comprising a connecting rod and stirring blades, one end of the connecting rod passing through the tank body and extending into the cavity and connected to the stirring blades, the other end of the connecting rod being connected to the drive assembly, and the stirring blades being spirally arranged around the connecting rod as the center, along the axial direction of the connecting rod.

2. The carbon dioxide replacement device for coffee beans as described in claim 1, characterized in that, The jet assembly is located at the top of the cavity, and the stirring blade is located at the bottom of the cavity and connected to one end of the connecting rod.

3. The carbon dioxide replacement device for coffee beans as described in claim 2, characterized in that, The jet assembly includes a main nozzle and multiple sub-nozzles. One end of the main nozzle is connected to the high-pressure air source via a pipeline, and the other end of the main nozzle is connected to multiple sub-nozzles respectively. The multiple sub-nozzles are radially distributed in a circumferential shape.

4. The carbon dioxide replacement device for coffee beans as described in claim 3, characterized in that, The high-pressure inflation device also includes a pressure regulating valve, which is installed on the pipeline.

5. The carbon dioxide replacement device for coffee beans as described in claim 3, characterized in that, The circumferential center formed by the plurality of nozzles is aligned with the connecting rod.

6. The carbon dioxide replacement device for coffee beans as described in claim 1, characterized in that, The number of stirring blades is multiple, and the multiple stirring blades are evenly divided into multiple stirring blade groups. Each stirring blade group is spaced apart along the axial direction of the connecting rod, and the stirring blades in each stirring blade group are arranged in a circular array with the connecting rod as the center.

7. The carbon dioxide replacement device for coffee beans as described in claim 1, characterized in that, The surface of the stirring blade is provided with a silicone layer.

8. The carbon dioxide replacement device for coffee beans as described in claim 1, characterized in that, The tank body has a first exhaust port and a second exhaust port, the first exhaust port is located above the second exhaust port, and both the first exhaust port and the second exhaust port are in communication with the cavity; The exhaust device includes a filter and a suction device, wherein the filter is connected to the first exhaust port and the suction device is connected to the second exhaust port.

9. The carbon dioxide replacement device for coffee beans as described in claim 8, characterized in that, The filter is connected to the first exhaust port via an exhaust pipe; The exhaust device further includes a pressure sensor and a carbon dioxide detector, which are connected to the exhaust pipe.

10. The apparatus for replacing carbon dioxide in coffee beans as described in any one of claims 1-9, characterized in that, The device for replacing carbon dioxide in coffee beans also includes: The controller is communicatively connected to the high-pressure inflation device, the exhaust device, and the stirring device.

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