Low-energy-consumption device for continuously fermenting high-concentration ethanol

Abstract

The utility model relates to a low-energy-consumption continuous fermentation high-concentration ethanol device which comprises an ethanol device body, the ethanol device body is composed of a working tank, a high-level tank and a recovery tank which are connected through pipelines, the working tank is composed of a first working tank and a second working tank, and the high-level tank is connected with the recovery tank through pipelines. One side of a tank body of the first working tank is connected with an ethanol liquid inlet through a first pipeline with a vacuum pump, one side of a tank body of the second working tank is connected with clear liquid through a second pipeline, and the bottom of the first working tank is connected with the position, close to the top, of the second working tank through a third pipeline; the side, close to the top, of a first working tank is connected with the bottom of a second working tank through a fourth pipeline, and the tops of the first working tank and the second working tank are connected with the position, close to the top, of a high-level tank and the middle position of the high-level tank through a fifth pipeline and a sixth pipeline respectively. The device has the advantages of compact and reasonable structure, convenience in installation and use, simplicity in maintenance, small occupied area, low cost, good purification effect and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of chemical substance purification, and relates to a low-energy-consumption continuous fermentation high-concentration ethanol device. Background Art

[0002] Industrial alcohol, that is, alcohol used in industry, is also called denatured alcohol and industrial spirits. The purity of industrial alcohol is generally 95% and 99%. It is mainly produced by two methods: synthesis and brewing. Among them, the ethanol content in the industrially brewed alcohol is generally greater than or equal to 95%, and the methanol content is less than 1%.

[0003] Although the industrially brewed alcohol has a high ethanol purity, the brewing cost is relatively high. Most of the costs come from the energy consumption during the fermentation process and the consumption of fermented substances and stock solutions. Therefore, a low-energy-consumption continuous fermentation high-concentration ethanol device is designed to overcome the above problems. Content of the Utility Model

[0004] The purpose of the utility model is to overcome the deficiencies existing in the prior art, and to provide a low-energy-consumption continuous fermentation high-concentration ethanol device with reasonable structural rhythm, convenient installation and use, simple maintenance, small floor area of the equipment, low cost and good purification effect.

[0005] The utility model is realized by the following technical solutions: a low-energy-consumption continuous fermentation high-concentration ethanol device, including an ethanol device body. The ethanol device body is composed of a working tank, a high-level tank and a recovery tank, which are connected by pipelines. The working tank is composed of a first working tank and a second working tank. One side of the first working tank body is connected to an ethanol inlet through a first pipeline with a vacuum pump. One side of the second working tank body is connected to a clear liquid phase through a second pipeline. The bottom of the first working tank is connected to a position near the top of the second working tank through a third pipeline. One side near the top of the first working tank is connected to the bottom of the second working tank through a fourth pipeline, so as to realize the continuous fermentation cycle between the first working tank and the second working tank. The tops of the first working tank and the second working tank are respectively connected to positions near the top and the middle of the high-level tank through a fifth pipeline and a sixth pipeline. The bottom of the high-level tank is connected to one end of the recovery tank through a seventh pipeline, and the other end of the recovery tank is connected to a sewage pipeline. The seventh pipeline at the bottom of the high-level tank is also respectively connected to the first working tank and the second working tank through an eighth pipeline and a ninth pipeline, and the bottom height of the high-level tank is respectively higher than the top heights of the first working tank and the second working tank.

[0006] Preferably, vacuum pumps and valves are provided on both the third pipeline and the fourth pipeline, ethanol concentration detectors, vacuum pumps and valves are provided on both the fifth pipeline and the sixth pipeline, and the ethanol concentration detectors are close to one side of the top of the first working tank and the second working tank. An ethanol concentration detector, a valve and a vacuum pump are sequentially arranged on the seventh pipeline, and the ethanol concentration detector is close to the high-level tank. Valves are provided on the eighth pipeline, the ninth pipeline and the sewage pipeline.

[0007] Preferably, the sewage pipeline is respectively connected to the bottoms of the first working tank and the second working tank through a tenth pipeline and an eleventh pipeline with valves, and is used to discharge the waste impurities in the first working tank, the second working tank, the high-level tank and the recovery tank through the sewage pipeline.

[0008] Preferably, the fifth pipeline of the first working tank is connected to one end of the cleaning pipeline, and the other end is connected to the top position of the high-level tank. An inlet pipeline with a water inlet is arranged in the middle of the cleaning pipeline, and valves are respectively arranged on both ends of the inlet pipeline on the cleaning pipeline.

[0009] The beneficial effects of the present invention are as follows:

[0010] The low-energy continuous fermentation high-concentration ethanol device designed by the present invention overcomes the above problems. The whole process does not require steam heating and is separated at room temperature. Compared with the traditional distillation method for separating ethanol, it is energy-saving and environmentally friendly, and has lower energy consumption costs. The separated ethanol has high purity. The pollution degree of the discharged pollutants is reduced after filtration. The device has a small floor area, is easy to maintain, and has strong practicability for ethanol recovery and raw liquid utilization. Brief Description of the Drawings

[0011] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0012] Figure 2 It is a working principle and flow chart of the present invention. Detailed Embodiments

[0013] In order to enable those of ordinary skill in the art to more clearly understand the purpose, technical solution and advantages of the present invention, the present invention will be further described below in conjunction with the drawings and embodiments.

[0014] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "left", "right", "inner", "outer", "horizontal", "vertical", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention, rather than indicating or implying that the device or component referred to must have a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0015] The following will introduce the present utility model in detail with reference to the accompanying drawings: As Figure 1 shown, a low - energy - consumption continuous fermentation high - concentration ethanol device includes an ethanol device body. The ethanol device body is composed of a working tank, a high - level tank 1 and a recovery tank 2, which are connected by pipelines. The working tank is composed of a first working tank 3 and a second working tank 4. One side of the body of the first working tank 3 is connected to an ethanol inlet 7 through a first pipeline 5 with a vacuum pump 21. One side of the body of the second working tank 4 is connected to a clear liquid phase through a second pipeline 22. The bottom of the first working tank 3 is connected to a position near the top of the second working tank 4 through a third pipeline 8. One side near the top of the first working tank 3 is connected to the bottom of the second working tank 4 through a fourth pipeline 9, which is used to realize the continuous fermentation cycle between the first working tank 3 and the second working tank 4. The tops of the first working tank 3 and the second working tank 4 are respectively connected to positions near the top and the middle of the high - level tank 1 through a fifth pipeline 10 and a sixth pipeline 11. The bottom of the high - level tank 1 is connected to one end of the recovery tank 2 through a seventh pipeline 12, and the other end of the recovery tank 2 is connected to a sewage discharge pipeline 13. The seventh pipeline 12 at the bottom of the high - level tank 1 is also respectively connected to the first working tank 3 and the second working tank 4 through an eighth pipeline 15 and a ninth pipeline 16, and the height of the bottom of the high - level tank 1 is respectively higher than the heights of the tops of the first working tank 3 and the second working tank 4.

[0016] Vacuum pumps and valves are provided on both the third pipeline 8 and the fourth pipeline 9. The valves are a check valve A22 and a check valve B23 respectively. Ethanol concentration detectors 19, vacuum pumps and valves are provided on both the fifth pipeline 10 and the sixth pipeline 11. The valves are a check valve C24 and a check valve D25 respectively. And the ethanol concentration detectors 19 are near one side of the tops of the first working tank 3 and the second working tank 4. An ethanol concentration detector, a valve A26 and a vacuum pump are sequentially provided on the seventh pipeline 12, and the ethanol concentration detector is near the high - level tank 1. Valves are provided on the eighth pipeline 15, the ninth pipeline 16 and the sewage discharge pipeline 13, and the valves are a valve B27, a valve C28, a valve D29 and a valve E30 respectively.

[0017] The sewage discharge pipeline 13 is respectively connected to the bottoms of the first working tank 3 and the second working tank 4 through a tenth pipeline 17 with a valve F31 and an eleventh pipeline 18 with a valve G32, which is used to discharge the waste impurities in the first working tank 3, the second working tank 4, the high - level tank 1 and the recovery tank 2 from the sewage discharge pipeline.

[0018] The fifth pipeline 10 of the first working tank 3 is connected to one end of the cleaning pipeline 14, and the other end is connected to the top position of the high-level tank 1. An inlet pipeline 20 with an inlet is arranged at the middle position of the cleaning pipeline 14, and valves H33 and valves I34 are respectively arranged on the cleaning pipeline 14 at both ends of the inlet pipeline 20.

[0019] The working characteristics and working process of the present utility model are as follows:

[0020] When working normally, open the side of the first working tank 3 to fill materials. The original liquid is transported from the first pipeline 5 to the first working tank 3 through the infusion pump 21, and wait for the original liquid and the materials to undergo a chemical reaction to ferment ethanol.

[0021] Record the ethanol generation efficiency curve in the first working tank 3 through the ethanol concentration detection instrument. When the generation efficiency is too low, turn on the vacuum pump A35 to make the mixed liquid in the first working tank 3 flow through internal filtration. The clear liquid enters the second working tank 4 through the second pipeline 6, and the concentration is detected again through the ethanol concentration detection instrument of the second working tank 4 to ensure compliance. If the concentration is not reached, turn on the pump B36 to pump the clear liquid from the second working tank 4 to the high-level tank 2 again for secondary filtration, close the valve B27 and valve C28, and turn on the valve A26 and pump C37.

[0022] Collection: Close the valve B27 and valve C28, turn on the valve A26 and pump C37, and collect high-concentration ethanol in the recovery tank 2.

[0023] Cleaning: When cleaning the working tank, open the valve H33 and close the other valves. Clean the first working tank and the second working tank in sequence. When cleaning the high-level tank and the recovery tank, open the valve I34 and valve A26 and close the other valves.

[0024] Sewage discharge: Open the valve D29, valve F31, and valve G32, close the other valves. The waste impurities in the working tank, high-level tank, and recovery tank enter the bottom through the valve for sewage discharge, and finally are discharged from the sewage pipeline. For the convenience of understanding, Figure 2 is the working principle and flow chart of the present utility model.

[0025] The specific embodiments described herein are only illustrative of the principles and effects of the present utility model, and are not used to limit the present utility model. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present utility model. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present utility model should still be covered by the claims of the present utility model.

Claims

1. A low-energy-consumption continuous fermentation high-concentration ethanol device, comprising an ethanol device body, the ethanol device body is composed of a working tank, a high-position tank (1) and a recovery tank (2), and they are connected by pipelines. It is characterized in that: The working tank is composed of a first working tank (3) and a second working tank (4). One side of the body of the first working tank (3) is connected to an ethanol inlet (7) through a first pipeline (5) with a vacuum pump (21). One side of the body of the second working tank (4) is connected to the clear liquid phase through a second pipeline (22). The bottom of the first working tank (3) is connected to a position near the top of the second working tank (4) through a third pipeline (8). One side near the top of the first working tank (3) is connected to the bottom of the second working tank (4) through a fourth pipeline (9), so as to realize the continuous fermentation cycle between the first working tank (3) and the second working tank (4). The tops of the first working tank (3) and the second working tank (4) are respectively connected to positions near the top and the middle of a high-level tank (1) through a fifth pipeline (10) and a sixth pipeline (11). The bottom of the high-level tank (1) is connected to one end of a recovery tank (2) through a seventh pipeline (12), and the other end of the recovery tank (2) is connected to a sewage discharge pipeline (13). The seventh pipeline (12) at the bottom of the high-level tank (1) is also respectively connected to the first working tank (3) and the second working tank (4) through an eighth pipeline (15) and a ninth pipeline (16), and the height of the bottom of the high-level tank (1) is respectively higher than the heights of the tops of the first working tank (3) and the second working tank (4).

2. The low-energy-consumption continuous fermentation high-concentration ethanol device according to claim 1, wherein: Vacuum pumps and valves are provided on both the third pipeline (8) and the fourth pipeline (9). Ethanol concentration detectors (19), vacuum pumps and valves are provided on both the fifth pipeline (10) and the sixth pipeline (11), and the ethanol concentration detectors (19) are near one side of the tops of the first working tank (3) and the second working tank (4). An ethanol concentration detector, a valve and a vacuum pump are sequentially provided on the seventh pipeline (12), and the ethanol concentration detector is near the high-level tank (1). Valves are provided on the eighth pipeline (15), the ninth pipeline (16) and the sewage discharge pipeline (13).

3. The low-energy-consumption continuous fermentation high-concentration ethanol device according to claim 2, characterized in that: The sewage discharge pipeline (13) is respectively connected to the bottoms of the first working tank (3) and the second working tank (4) through a tenth pipeline (17) and an eleventh pipeline (18) with valves, so as to discharge the waste impurities in the first working tank (3), the second working tank (4), the high-level tank (1) and the recovery tank (2) from the sewage discharge pipeline.

4. The low-energy-consumption continuous fermentation high-concentration ethanol device according to claim 3, wherein: The fifth pipeline (10) of the first working tank (3) is connected to one end of a cleaning pipeline (14), and the other end is connected to the top position of the high-level tank (1). An inlet pipeline (20) with a water inlet is provided at the middle position of the cleaning pipeline (14), and valves are respectively provided on the cleaning pipeline (14) at both ends of the inlet pipeline (20).

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