Supercritical extraction and carbon dioxide recovery device

Abstract

The utility model relates to the technical field of extraction, and discloses a supercritical extraction and carbon dioxide recovery device which comprises an extraction assembly, the output end of the extraction assembly is connected with a heating assembly, the side wall of the heating assembly is connected with a pressurization assembly in a penetrating mode, and the output end of the heating assembly is connected with a separation tank. The output end of the separation tank is connected with a condensation assembly, the output end of the condensation assembly is connected with a gas-liquid separation assembly, and the gas-liquid separation assembly comprises a gas-liquid separator and a filter screen. Through ordered connection of the extraction assembly, the heating assembly, the pressurization assembly, the separation tank, the condensation assembly, the gas-liquid separation assembly, the compression assembly and the like, supercritical extraction operation can be efficiently completed, effective recovery of carbon dioxide is achieved, the resource utilization rate is increased, impurities and gas in liquid carbon dioxide can be further finely separated through the gas-liquid separation assembly, and the energy consumption is reduced. The purity of the recovered carbon dioxide is guaranteed, and the carbon dioxide can be better stored and recycled subsequently.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of extraction, specifically to a supercritical extraction and carbon dioxide recovery device. BACKGROUND

[0002] In industrial production and related fields, supercritical extraction technology is widely used to extract valuable components from various raw materials.

[0003] However, the traditional extraction and carbon dioxide recovery device lacks effective integration and optimization between components, resulting in low extraction efficiency, inability to fully utilize the advantages of supercritical extraction, prolonged production cycle, increased energy consumption, and imperfect carbon dioxide recovery and processing. In the gas-liquid separation process, most devices lack fine separation means, which cannot effectively remove impurities and gases, resulting in low purity of recovered carbon dioxide, which cannot meet the requirements of subsequent storage and recycling, and may affect the extraction effect and product quality during recycling, increasing production costs and environmental burden. SUMMARY

[0004] The utility model aims to solve the problem of low extraction efficiency, high energy consumption, imperfect gas-liquid separation, low carbon dioxide purity, and subsequent utilization, cost and environmental burden caused by lack of effective integration and optimization of components in traditional extraction and carbon dioxide recovery devices. The utility model provides a supercritical extraction and carbon dioxide recovery device.

[0005] The utility model adopts the following technical solutions to achieve the above purpose:

[0006] A supercritical extraction and carbon dioxide recovery device, comprising an extraction assembly, an output end of the extraction assembly connected to a heating assembly, a side wall of the heating assembly connected to a pressurizing assembly, an output end of the heating assembly connected to a separation tank, an output end of the separation tank connected to a condensing assembly, an output end of the condensing assembly connected to a gas-liquid separation assembly, the gas-liquid separation assembly comprising a gas-liquid separator and a filter screen, the output end of the condensing assembly fixedly connected to the input port of the gas-liquid separator, the filter screen arranged on the upper side of the interior of the gas-liquid separator, the output end of the gas-liquid separation assembly connected to a compression assembly, the input end of the compression assembly and the right side of the gas-liquid separator fixedly connected, the output end of the compression assembly connected to a storage tank, the outer side of the extraction assembly and the heating assembly provided with a support assembly, the outer side of the support assembly provided with a controller.

[0007] Further, the extraction assembly comprises an extraction kettle and a pipeline, the left end of the pipeline is fixedly connected to the side wall of the extraction kettle, the material is placed in the extraction kettle of the extraction assembly, and the extracted material enters the heating assembly.

[0008] Further, the heating assembly comprises a material container, a heater, a temperature sensor and a conveying pipe, the right end of the extraction assembly penetrates the input end of the material container, the pressurizing assembly is arranged at the side wall of the material container, the right end of the conveying pipe is connected to the left end of the side wall of the separation tank, the extracted material enters the material container of the heating assembly, and the heater heats the material according to the feedback of the temperature sensor.

[0009] Further, the heater is arranged at the inner side wall of the material container, the temperature sensor is connected to the heater, the left end of the conveying pipe is fixedly connected to the side wall of the material container, and the heater heats the material to reach a supercritical state according to the feedback of the temperature sensor.

[0010] Further, the pressurizing assembly comprises an inlet pipe, a high-pressure pump and an outlet pipe, the input end of the inlet pipe and the output end of the outlet pipe are fixedly connected to the side wall of the heating assembly, the output end of the inlet pipe, the input end of the outlet pipe and the port of the high-pressure pump are connected, the pressurizing assembly pressurizes the material in the material container through the inlet pipe, the high-pressure pump and the outlet pipe, and further promotes the material to reach the required condition of supercritical extraction.

[0011] Further, the condensing assembly comprises a condenser, a water inlet pipe and a drain pipe, the input end of the water inlet pipe is fixedly connected to the output end of the separation tank, the output end of the drain pipe is fixedly connected to the input end of the gas-liquid separation assembly, the output end of the water inlet pipe is connected to the input end of the condenser, the output end of the condenser is connected to the input end of the drain pipe, and the separated carbon dioxide gas enters the condensing assembly, in the condensing assembly, the carbon dioxide gas enters the condenser through the water inlet pipe.

[0012] Further, the compression assembly comprises a compressor, an air inlet pipe and a liquid outlet pipe, the input end of the air inlet pipe is fixedly connected to the output end of the gas-liquid separation assembly, the output end of the air inlet pipe is fixedly connected to the input end of the compressor, the input end of the liquid outlet pipe is fixedly connected to the output end of the compressor, and the output end of the liquid outlet pipe is fixedly connected to the input end of the storage tank, the compressor of the compression assembly sucks in the carbon dioxide gas and compresses it through the air inlet pipe, and the compressed liquid carbon dioxide is conveyed to the storage tank through the liquid outlet pipe for storage.

[0013] Further, the support assembly comprises a support table and a base, the top side of the base is fixedly connected to the bottom side of the support table, the controller is fixedly connected to the side wall of the base, and the bottom of the extraction assembly is fixedly connected to the top side of the support table.

[0014] Compared with the prior art, the supercritical extraction and carbon dioxide recovery device has the following beneficial effects:

[0015] The supercritical extraction and carbon dioxide recovery device can efficiently complete supercritical extraction operation and realize effective recovery of carbon dioxide, improve resource utilization, and further finely separate impurities and gas in liquid carbon dioxide through the orderly connection of the extraction assembly, the heating assembly, the pressurizing assembly, the separation tank, the condensing assembly, the gas-liquid separation assembly and the compression assembly, thereby guaranteeing the purity of the recovered carbon dioxide and facilitating better storage and recycling of the recovered carbon dioxide. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a front side structure schematic diagram of the whole device of the utility model;

[0017] Figure 2 It is a structure display drawing of the extraction assembly, the heating assembly and the support assembly of the utility model;

[0018] Figure 3 It is a structure display drawing of the pressurizing assembly and the condensing assembly of the utility model;

[0019] Figure 4 It is a structure display drawing between the condensing assembly and the compression assembly of the utility model;

[0020] Figure 5 It is a structure schematic diagram inside the gas-liquid separation assembly of the utility model.

[0021] In the drawing: 1, extraction assembly; 11, extraction kettle; 12, pipeline; 2, heating assembly; 21, material containing tank; 22, heater; 23, temperature sensor; 24, conveying pipe; 3, pressurizing assembly; 31, inlet pipe; 32, high-pressure pump; 33, output pipe; 4, separation tank; 5, condensing assembly; 51, condenser; 52, water inlet pipe; 53, drain pipe; 6, gas-liquid separation assembly; 61, gas-liquid separator; 62, filter screen; 7, compression assembly; 71, compressor; 72, air inlet pipe; 73, liquid discharge pipe; 8, storage tank; 9, support assembly; 91, support table; 92, base; 10, controller. DETAILED DESCRIPTION

[0022] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0023] As shown in Figures 1-5 The supercritical extraction and carbon dioxide recovery device comprises an extraction assembly 1, an output end of the extraction assembly 1 is connected with a heating assembly 2, a side wall of the heating assembly 2 is through-connected with a pressurizing assembly 3, an output end of the heating assembly 2 is provided with a separation tank 4, an output end of the separation tank 4 is provided with a condensing assembly 5, an output end of the condensing assembly 5 is provided with a gas-liquid separation assembly 6, an output end of the gas-liquid separation assembly 6 is provided with a compression assembly 7, an output end of the compression assembly 7 is provided with a storage tank 8, the extraction assembly 1 and the heating assembly 2 are provided with a supporting assembly 9 outside, and the supporting assembly 9 is provided with a controller 10 outside.

[0024] As shown in Figure 2 The extraction assembly 1 comprises an extraction kettle 11 and a pipeline 12, the left end of the pipeline 12 is fixedly connected to the side wall of the extraction kettle 11, materials are placed in the extraction kettle 11 of the extraction assembly 1, and the materials are connected with subsequent assemblies through the pipeline 12, and the extracted materials enter the heating assembly 2.

[0025] As shown in Figure 2 The heating assembly 2 comprises a material holding tank 21, a heater 22, a temperature sensor 23 and a conveying pipe 24, the right end of the extraction assembly 1 penetrates the input end of the material holding tank 21, the pressurizing assembly 3 is arranged at the side wall of the material holding tank 21, the right end of the conveying pipe 24 is connected with the left end of the side wall of the separation tank 4, the heater 22 is arranged at the inner side wall of the material holding tank 21, the temperature sensor 23 is connected with the heater 22, the left end of the conveying pipe 24 is fixedly connected with the side wall of the material holding tank 21, the extracted materials enter the material holding tank 21 of the heating assembly 2, and the heater 22 heats the materials according to the feedback of the temperature sensor 23, so that the materials reach a supercritical state.

[0026] As shown in Figure 3 The pressurizing assembly 3 comprises an inlet pipe 31, a high-pressure pump 32 and an output pipe 33, the input end of the inlet pipe 31 and the output end of the output pipe 33 are fixedly connected to the side wall of the heating assembly 2, the output end of the inlet pipe 31 and the input end of the output pipe 33 are connected with the port of the high-pressure pump 32, and the pressurizing assembly 3 pressurizes the materials in the material holding tank 21 through the inlet pipe 31, the high-pressure pump 32 and the output pipe 33, so as to further promote the materials to reach the required conditions of supercritical extraction.

[0027] As shown in Figure 3 andFigure 4 As shown, the condensing assembly 5 includes a condenser 51, a water inlet pipe 52, and a drain pipe 53. The inlet end of the water inlet pipe 52 is fixedly connected to the outlet end of the separator 4, and the outlet end of the drain pipe 53 is fixedly connected to the inlet end of the gas-liquid separation assembly 6. The outlet end of the water inlet pipe 52 is connected to the inlet end of the condenser 51, and the outlet end of the condenser 51 is connected to the inlet end of the drain pipe 53. The separated carbon dioxide gas enters the condensing assembly 5. In the condensing assembly 5, the carbon dioxide gas enters the condenser 51 through the water inlet pipe 52, exchanges heat with the refrigerant in the condenser 51, and is condensed into a liquid state. Then, it enters the gas-liquid separation assembly 6 through the drain pipe 53.

[0028] like Figure 5 As shown, the gas-liquid separation assembly 6 includes a gas-liquid separator 61 and a filter screen 62. The output end of the condensation assembly 5 is fixedly connected to the inlet of the gas-liquid separator 61. The filter screen 62 is disposed on the upper side inside the gas-liquid separator 61. The input end of the compression assembly 7 is fixedly connected to the right side of the gas-liquid separator 61. In the gas-liquid separation assembly 6, the gas-liquid separator 61 further separates impurities and gases in the liquid carbon dioxide with the help of the filter screen 62. The separated carbon dioxide gas enters the compression assembly 7.

[0029] like Figure 4 As shown, the compression assembly 7 includes a compressor 71, an intake pipe 72, and a drain pipe 73. The input end of the intake pipe 72 is fixedly connected to the output end of the gas-liquid separation assembly 6, the output end of the intake pipe 72 is fixedly connected to the input end of the compressor 71, the input end of the drain pipe 73 is fixedly connected to the output end of the compressor 71, and the output end of the drain pipe 73 is fixedly connected to the input end of the storage tank 8. The compressor 71 of the compression assembly 7 draws in carbon dioxide gas through the intake pipe 72 and compresses it. The compressed liquid carbon dioxide is transported to the storage tank 8 for storage through the drain pipe 73.

[0030] like Figure 2 As shown, the support assembly 9 includes a support platform 91 and a base 92. The top side of the base 92 is fixedly connected to the bottom side of the support platform 91, the controller 10 is fixedly connected to the side wall of the base 92, and the bottom of the extraction assembly 1 is fixedly connected to the top side of the support platform 91.

[0031] Working principle: such as Figures 1-5 As shown, the material is placed in the extraction vessel 11 of the extraction component 1 and connected to the subsequent components through the pipe 12. The extracted material enters the storage tank 21 of the heating component 2. The heater 22 heats the material according to the feedback of the temperature sensor 23 to make it reach the supercritical state. At the same time, the pressurizing component 3 pressurizes the material in the storage tank 21 through the inlet pipe 31, the high-pressure pump 32 and the outlet pipe 33 to further promote the material to reach the conditions required for supercritical extraction.

[0032] In the supercritical state, the solute in the material is effectively extracted and enters the separation tank 4 through the delivery pipe 24, in which the solute and the gas such as carbon dioxide begin to separate, the separated carbon dioxide gas enters the condensing assembly 5, in which the carbon dioxide gas enters the condenser 51 through the water inlet pipe 52, exchanges heat with the refrigerant in the condenser 51, and is condensed into liquid state, and then enters the gas-liquid separation assembly 6 through the drain pipe 53;

[0033] In the gas-liquid separation assembly 6, the gas-liquid separator 61 further separates the impurities and gas in the liquid carbon dioxide by means of the filter screen 62, the separated carbon dioxide gas enters the compression assembly 7, the compressor 71 of the compression assembly 7 inhales the carbon dioxide gas through the air inlet pipe 72 and compresses it, the compressed liquid carbon dioxide is delivered to the storage tank 8 through the liquid outlet pipe 73 for storage for subsequent recycling.

Claims

1. A supercritical extraction and carbon dioxide recovery apparatus comprising an extraction assembly (1), characterised in that: The output end of the extraction assembly (1) is connected with a heating assembly (2), the side wall of the heating assembly (2) is connected with a pressurizing assembly (3) penetratingly, the output end of the heating assembly (2) is provided with a separation tank (4), the output end of the separation tank (4) is provided with a condensing assembly (5), and the output end of the condensing assembly (5) is provided with a gas-liquid separation assembly (6). The gas-liquid separation assembly (6) comprises a gas-liquid separator (61) and a filter screen (62), the output end of the condensing assembly (5) is fixedly connected to the input port of the gas-liquid separator (61), the filter screen (62) is arranged on the upper side of the inside of the gas-liquid separator (61), the output end of the gas-liquid separation assembly (6) is provided with a compression assembly (7), the input end of the compression assembly (7) is fixedly connected to the right side of the gas-liquid separator (61), the output end of the compression assembly (7) is provided with a storage tank (8), and the outer sides of the extraction assembly (1) and the heating assembly (2) are provided with a supporting assembly (9).

2. The supercritical fluid extraction and carbon dioxide recovery apparatus of claim 1, wherein: The extraction assembly (1) comprises an extraction kettle (11) and a pipeline (12), and the left end of the pipeline (12) is fixedly connected to the side wall of the extraction kettle (11).

3. The supercritical fluid extraction and carbon dioxide recovery apparatus of claim 1, wherein: The heating assembly (2) comprises a material containing tank (21), a heater (22), a temperature sensor (23) and a conveying pipe (24), the right end of the extraction assembly (1) penetrates the input end of the material containing tank (21), the pressurizing assembly (3) is arranged at the side wall of the material containing tank (21), and the right end of the conveying pipe (24) is connected to the left end of the side wall of the separation tank (4).

4. The supercritical fluid extraction and carbon dioxide recovery apparatus of claim 3, wherein: The heater (22) is arranged at the inner side wall of the material containing tank (21), the temperature sensor (23) is connected to the heater (22), and the left end of the conveying pipe (24) is fixedly connected to the side wall of the material containing tank (21).

5. The supercritical fluid extraction and carbon dioxide recovery apparatus of claim 1, wherein: The pressurizing assembly (3) comprises an inlet pipe (31), a high-pressure pump (32) and an outlet pipe (33), the input end of the inlet pipe (31) and the output end of the outlet pipe (33) are fixedly connected to the side wall of the heating assembly (2), and the output end of the inlet pipe (31) and the input end of the outlet pipe (33) are connected to the port of the high-pressure pump (32).

6. The supercritical fluid extraction and carbon dioxide recovery apparatus of claim 1, wherein: The condensing assembly (5) comprises a condenser (51), a water inlet pipe (52) and a drain pipe (53), the input end of the water inlet pipe (52) is fixedly connected to the output end of the separation tank (4), the output end of the drain pipe (53) is fixedly connected to the input end of the gas-liquid separation assembly (6), the output end of the water inlet pipe (52) is connected to the input end of the condenser (51), and the output end of the condenser (51) is connected to the input end of the drain pipe (53).

7. The supercritical fluid extraction and carbon dioxide recovery apparatus of claim 1, wherein: The compression assembly (7) comprises a compressor (71), an air inlet pipe (72) and a liquid discharge pipe (73), the input end of the air inlet pipe (72) is fixedly connected with the output end of the gas-liquid separation assembly (6), the output end of the air inlet pipe (72) is fixedly connected with the input end of the compressor (71), the input end of the liquid discharge pipe (73) is fixedly connected with the output end of the compressor (71), and the output end of the liquid discharge pipe (73) is fixedly connected with the input end of the storage tank (8).

8. The supercritical fluid extraction and carbon dioxide recovery apparatus of claim 1, wherein: The support assembly (9) comprises a support table (91) and a base (92), the top side of the base (92) is fixedly connected to the bottom side of the support table (91), the controller (10) is fixedly connected to the side wall of the base (92), and the bottom of the extraction assembly (1) is fixedly connected to the top side of the support table (91).

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