TWI739535B - High-pressure hydrolysis device and method - Google Patents

Abstract

The present invention relates to a high-pressure hydrolysis method, which includes: placing a sealed hydrolysis container in a pressure tank; and applying a pressure of a certain value to the sealed hydrolysis container via a high-pressure device during a hydrolysis process and controlling an operating temperature to increase the reaction rate of hydrolysis. The present invention also relates to a high-pressure hydrolysis device for implementing the aforesaid hydrolysis method.

Description

High-pressure hydrolysis equipment and method

The present invention relates to a high-pressure hydrolysis method, in particular to impose a specific pressure value and working temperature during the hydrolysis process, thereby increasing the reaction rate of the hydrolysis. The present invention is also a high-pressure hydrolysis equipment used for applying the method.

Hydrolysis is a chemical unit process, which mainly involves the reaction of substances with water. The hydrolysis time and quality of the hydrolysis are important in the hydrolysis process, such as the prior art Republic of China Announcement No. I642467 "Mixed solvent separation method to improve the saccharification efficiency of high lignin fiber raw materials" , Provide a low water footprint lignocellulose solvent pretreatment method, which uses a solvent and water to depolymerize and separate the lignocellulose composition. Under pressure, the lignin is dissolved and the hemicellulose is hydrolyzed, both of which dissolve in the liquid phase, leaving a solid cellulose residue. The invention utilizes the difference between the relative volatility of the solvent and water, especially under relatively low temperature conditions, assists the removal and recovery of the solvent of the cellulose solid residue by low-temperature air extraction and drying, which can significantly reduce the water consumption of the process and the follow-up The amount of wastewater treated can achieve the goal of low water footprint in the process, and at the same time can also achieve the goal of enzyme hydrolysis efficiency that the original solvent pretreatment method intends to achieve. The solution containing lignin and hemicellulose hydrolysate can be evaporated or diluted to reduce the solvent concentration to precipitate lignin solids, thereby achieving effective separation of the three main components of lignocellulose, and achieving lignocellulose The purpose of diversification and full utilization.

General hydrolysis often requires long-term reaction. In order to effectively solve the problem of long-term reaction, it will be the most important issue for hydrolysis technology in the future.

Therefore, in order to solve the problem that hydrolysis requires a long time to react, the inventor proposes a high-pressure hydrolysis equipment, which includes: a hydrolysate container with a hydrolysis space; a pressure tank fitted with a cover, the pressure tank and the The cover forms a high-pressure space that can be opened and closed, and the high-pressure space is placed in the aforementioned hydrolysate container; a high-pressure device is connected to the high-pressure space; a temperature control pipeline is wrapped around the pressure tank; The temperature control pipeline enables the hydrolysate container to complete the hydrolysis at a specific pressure value and a working temperature

Wherein, the hydrolysate container includes a sealed lid, a container, and a leak-proof element. An opening of the container is combined with the leak-proof element, and the sealed cover is closed on the container to form the aforementioned hydrolysis space. It is further explained that the high-pressure device includes a high-pressure pump, a pressure controller, a pressure-increasing valve, and a first pipeline, and the first pipeline connects the high-pressure pump, the pressure controller, and the pressure-increasing valve in sequence , The pressure-increasing valve faces the high-pressure space, and controls to communicate or close the high-pressure space.

Still further, a pressure relief pipeline is included. The pressure relief pipeline has a second pipeline and a pressure relief valve. The pressure relief valve faces the high-pressure space and controls to communicate with or close the high-pressure space to export the high-pressure fluid to The high-pressure space.

Specifically, the high-pressure pump introduces a high-pressure fluid into the high-pressure space, and the high-pressure fluid applies pressure from the high-pressure space toward the sealing cover of the hydrolysate container, so that the sealing cover compresses the hydrolysis space, thereby Provide the aforementioned pressure value.

Wherein, the temperature control pipeline includes a spiral pipeline having an inlet and an outlet, the spiral pipeline is wrapped in the pressure groove, and the spiral pipeline is injected with a temperature control fluid to provide the aforementioned heat energy.

The present invention is also a high-pressure hydrolysis method, including: placing a hydrolyzed raw material in a hydrolysis space of a sealed hydrolysate container; configuring a high-pressure space, and placing the aforementioned hydrolysate container in the high-pressure space; providing the high-pressure space; Thermal energy controls a working temperature of the high-pressure space; applies ^{a pressure of 70 to 250 kg/cm 2} to the hydrolysis space of the hydrolysate container through the high-pressure space, and controls the working temperature to be between 30 and 70°C, Let the hydrolyzed raw material complete the hydrolysis at the pressure value and the working temperature.

Further, the high-pressure space is pressurized on the hydrolysate container through a high-pressure fluid.

Further, the high-pressure space is pressurized on the hydrolysate container through a mechanical energy of a high-pressure device.

Furthermore, a pressure relief pipeline is included to discharge the high-pressure fluid in the high-pressure space after the hydrolysis is completed.

Furthermore, the corresponding enzyme can be added when the hydrolyzed raw material is put in.

According to the above technical features, the following effects can be achieved:

1. Seal the hydrolyzed raw materials in the hydrolysate container, and apply a certain pressure value and working temperature, so that the overall hydrolysis rate can be shortened to 1/5 of the original rate.

2. The added enzymes can be selected according to the nature of the hydrolyzed product, and destroy specific chemical bonds to increase the rate and quality of the hydrolysis.

3. The spiral pipeline used in the hydrolysis process is stable in heating and will not directly contact the heat transfer fluid, which helps to maintain a certain temperature environment.

4. During the hydrolysis process, the pressure source for compressing the hydrolysate container is not limited to fluid or mechanical energy, and can be adjusted according to site conditions, with a high degree of freedom.

1: Hydrolysate container

11: container

12: Opening

13: Hydrolysis space

14: Stop leakage

15: Sealing cover

16: Hydrolyzed raw materials

2: Pressure tank

21: Lid

22: High-pressure space

3: High pressure device

31: high pressure pump

32: Pressure controller

33: Booster valve

34: The first pipeline

A: High pressure fluid

4: Pressure relief pipeline

41: second pipeline

42: Pressure relief valve

5: Temperature control pipeline

51: spiral line

52: entrance

53: Exit

[The first figure] is a schematic block diagram of the flow of an embodiment of the high-pressure hydrolysis method of the present invention.

[The second figure] is a schematic diagram (1) of an embodiment of the high-pressure hydrolysis method of the present invention.

[Third Figure] is a schematic diagram (2) of an embodiment of the high-pressure hydrolysis method of the present invention.

[Fourth Figure] is a schematic diagram of the high-pressure water equipment of the present invention (1).

[Fifth Figure] is a schematic diagram of the high-pressure water equipment of the present invention (2).

[Figure 6] is a schematic diagram of the construction of the high-pressure water equipment of the present invention (3).

Based on the above technical features, the main effects of the high-pressure hydrolysis method of the present invention will be clearly presented in the following examples.

Please refer to the first figure. The high-pressure hydrolysis method of this embodiment includes the following steps: First, the hydrolyzed raw material used in this embodiment is a mushroom (plant fiber). Of course, it can also be replaced with other hydrolyzed substances. For example, bird's nest, etc., are not limited to this. The hydrolyzed raw material is mixed with water, and a corresponding enzyme is selectively added at the same time. In this embodiment, the enzyme used is a cellulolytic enzyme, and the concentration percentage is 0.05 to 1%. The reaction is faster, and it is placed in a hydrolysis space of a sealed hydrolysate container for later use. Although the hydrolysate container is sealed, the volume can be changed, thereby allowing the hydrolysis space to receive external pressure.

Configure a high-pressure space, put the aforementioned hydrolysate container into the high-pressure space, and the high-pressure space applies a pressure to the hydrolyzed space of the hydrolysate container. Please refer to the second to third figures. It shows that the high-pressure space exerts the pressure on the hydrolysate container, and the pressure can be used A high-pressure fluid is used to press the hydrolysate container, the aforementioned hydrolysate container, and a pressure relief pipeline needs to be configured at the same time. After the hydrolysis is completed, the high-pressure fluid in the high-pressure space is discharged. To further illustrate, the high-pressure fluid can be liquid or gas, and it is described as liquid water. High-pressure water is introduced into the high-pressure space, and the high-pressure water is pressed into the hydrolysis space of the hydrolysate container to make the hydrolyzed raw materials receive the pressure. . Or, the pressure can also be the mechanical energy achieved by the mechanism, and the pressure is applied to the hydrolysis space of the hydrolysate container through the mechanism.

In this embodiment, a temperature control pipeline is also configured to connect to the aforementioned high-pressure space to provide thermal energy in the high-pressure space and control a working temperature of the high-pressure space.

After the preparation is completed, according to the characteristics of the mushrooms, we set a pressure value in the high-pressure space at 70~250kg/cm ² , and set the working temperature at 30~70℃, and react for 10~120 minutes until When the hydrolysis is completed, the high-pressure fluid in the high-pressure space is pressurized on the hydrolysate container during the process, so that the hydrolyzed raw material can quickly complete the hydrolysis at the specific pressure value and the working temperature.

Another embodiment of the present invention is a high-pressure hydrolysis equipment. Please refer to Figure 4. The high-pressure hydrolysis equipment includes: A hydrolysate container 1. In this embodiment, the hydrolysate container 1 is a container 11 with a cylindrical design. The container 11 has an opening 12 and a hydrolysis space 13 communicating with the opening 12. The container 11 The opening 12 is covered with an anti-leak component 14, and then a sealing cap 15 is used to cover the container 11 to form the aforementioned hydrolysis space 13. It can be clearly seen from the fourth figure that the sealing cap 15 is slightly smaller than the container 11, so that the sealing cap 15 can move in the container 11, and a leak stop is provided around the contact position of the sealing cap 15 and the container 11 14. The main purpose is to avoid the entry of foreign matter during the hydrolysis process.

In this embodiment, a hydrolyzed raw material 16 is taken and placed in the hydrolyzed space 13. In this embodiment, the hydrolyzed raw material 16 is mushrooms. Further, it is illustrated that the sealing cover 15 further includes a pull ring 151 , Mainly to facilitate the hook up here to handle

A pressure groove 2 is matched with a cover 21, the cover 21 is closed on the pressure groove 2, and the pressure groove 2 forms a high-pressure space 22 that can be opened or closed, and is placed in the high-pressure space 22 Into the aforementioned hydrolysate container 1.

Please continue to refer to the fifth figure. A high-pressure device 3 is connected to either side of the pressure tank 2. The high-pressure device 3 includes a high-pressure pump 31, a pressure controller 32, a pressure-increasing valve 33, and a first pipeline. 34. As shown in the figure, it can be clearly seen that a high-pressure fluid A is filled in the first pipeline. In this embodiment, the high-pressure fluid A is water, and the pressure is adjusted through the pressure controller 32, and then the high-pressure pump 31 is used. Perform pressurization, and finally send the pressurized water to the pressurization valve 33. The pressurization valve 33 faces the high-pressure space 22 and controls to communicate or close the high-pressure space 22 to provide water with different pressures. A pressure value of the high-pressure space 22 is changed. A pressure relief pipeline 4 is provided on either side of the pressure tank 2 to communicate with the high pressure space 22. The pressure relief pipeline 4 includes a second pipeline 41 and a pressure relief valve 42 facing the high pressure When the pressure relief valve 42 is opened, the high-pressure fluid will be led out of the high-pressure space 22 through the second pipeline 41.

Please refer to Fig. 6 continuously. A temperature control pipeline 5 includes a spiral pipeline 51 having an inlet 52 and an outlet 53, and the spiral pipeline 51 is wrapped and tightly attached to the outside of the pressure tank 2. The spiral pipeline 51 is filled with a temperature control fluid. In this embodiment, the temperature control fluid can be water or waste hot water to provide thermal energy and control a working temperature.

Please refer to the sixth figure. The pressurized water is injected into the high-pressure space 22 by the high-pressure device 3, and the water is continuously pressed to the sealing cover 15, causing it to drop and compress the hydrolyzed raw material 16, and pass through The temperature control pipeline 5 enables the hydrolyzed raw material 16 in the hydrolysate container 11 to complete the hydrolysis at the pressure value and a working temperature. In this embodiment, we set the pressure value at 70~250kg/cm ² , and set the working temperature at 30~70°C, and react for 10~120 minutes.

Based on the description of the above embodiments, when one can fully understand the operation and use of the present invention and the effects of the present invention, but the above embodiments are only the preferred embodiments of the present invention, and the implementation of the present invention cannot be limited by this. The scope, that is, simple equivalent changes and modifications made according to the scope of the patent application of the present invention and the content of the description of the invention, are all within the scope of the present invention.

Claims (10)

A high-pressure hydrolysis equipment includes: a hydrolysate container with a hydrolysis space; a pressure tank matched with a cover, the pressure tank and the cover form a high-pressure space that can be opened and closed, and the high-pressure space is placed in the hydrolysis space. Material container; a high-pressure device connected to the high-pressure space; a temperature-controlled pipeline wrapped in the pressure tank; by the high-pressure device and the temperature-controlled pipeline, the hydrolysate container is at a specific pressure value and a Hydrolysis is completed at working temperature. The high-pressure hydrolysis equipment of claim 1, wherein the hydrolysate container includes a sealed lid, a container, and a leak-proof member, the leak-proof member is combined at an opening of the container, and the sealing cover is closed on the container , Form the aforementioned hydrolysis space. The high-pressure hydrolysis equipment according to any one of claim 1 or 2, wherein the high-pressure device includes a high-pressure pump, a pressure controller, a pressure-increasing valve, and a first pipeline, and the first pipeline is connected to the The high-pressure pump, the pressure controller and the pressure-increasing valve, the pressure-increasing valve faces the high-pressure space, and controls to communicate or close the high-pressure space. For example, the high-pressure hydrolysis equipment of claim 3, further comprising a pressure relief pipeline, the pressure relief pipeline has a second pipeline and a pressure relief valve, the pressure relief valve faces the high pressure space and controls to communicate or close the high pressure space , Lead the high-pressure fluid to the high-pressure space. The high-pressure hydrolysis equipment of claim 3, wherein the high-pressure pump introduces a high-pressure fluid into the high-pressure space, and the high-pressure fluid applies pressure from the high-pressure space toward the sealing cover of the hydrolysate container to compress the sealing cover The hydrolysis space thereby provides the aforementioned pressure value. The high-pressure hydrolysis equipment of claim 1, wherein the temperature control pipeline includes a spiral pipeline, the spiral pipeline has an inlet and an outlet, the spiral pipeline is wrapped in the pressure tank, and the spiral pipeline is filled with a temperature control fluid. To provide the aforementioned thermal energy. A high-pressure hydrolysis method includes: placing a hydrolyzed raw material into a hydrolysis space of a sealed hydrolysate container; configuring a high-pressure space, and placing the aforementioned hydrolysate container into the high-pressure space; providing thermal energy in the high-pressure space to control the ^{A working temperature of the high-pressure space; apply a pressure of 70 to 250 kg/cm 2} to the hydrolysis space of the hydrolysate container through the high-pressure space, and control the working temperature to be between 30 and 70°C to allow the hydrolyzed raw material The hydrolysis is completed at the pressure value and the working temperature. According to the high-pressure hydrolysis method of claim 7, the high-pressure space is pressurized on the hydrolysate container through a high-pressure fluid. According to the high-pressure hydrolysis method of claim 7, the high-pressure space is pressurized on the hydrolysate container through a mechanical energy of a high-pressure device. For example, the high-pressure hydrolysis method of claim 8, further comprising a pressure relief pipeline for draining the high-pressure fluid in the high-pressure space after the hydrolysis is completed.

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