阅读说明：本技术 一种对中药进行热处理的方法 (Method for heat treatment of traditional Chinese medicine ) 是由 朱雅宁 彭友海 尧忱 杨毅 刘朝猛 董礼 严敏嘉 王丽婷 于 2019-11-19 设计创作，主要内容包括：本发明提供一种对中药进行热处理的方法,通过测量热处理罐中的空气压力,再通过公式计算得出热处理罐中中药的温度,中药的温度测量准确,空气压力测量成本低,测量时无需与中药接触,不会影响中药的品质及药性。(The invention provides a method for carrying out heat treatment on traditional Chinese medicine, which is characterized in that the temperature of the traditional Chinese medicine in a heat treatment tank is obtained by measuring the air pressure in the heat treatment tank and calculating according to a formula.)

1. A method for heat-treating traditional Chinese medicine comprises the following steps:

a. adding Chinese medicinal materials into the heat treatment tank;

b. adding acid into the heat treatment tank in the step a to form a mixture;

c. electrically heating the mixture in the step b, measuring the air pressure p in the heat treatment tank in the step b, and calculating the temperature T of the mixture through a formula;

d. when the temperature T is more than or equal to 133 ℃ and less than or equal to 137 ℃ in the step c, starting to record the heat treatment time T;

e. when t is more than or equal to 120min in the step d, finishing the heat treatment process and guiding out the mixture in the heat treatment tank;

the method is characterized in that:

the calculation formula in step c is: t =135+ (p-0.27) × 200, where T is in ° c and p is the pressure in the heat treatment tank in MPa.

2. The method for heat-treating a traditional Chinese medicine according to claim 1, characterized in that: when the air pressure p in the step c is more than or equal to 0.293MPa, the electric heating in the step c is closed, and the cooling liquid with the temperature of 20 ℃ is continuously introduced into the jacket of the heat treatment tank in the step c.

3. The method for heat-treating a traditional Chinese medicine according to claim 1, characterized in that: when p in the step c is less than or equal to 0.26MPa, adjusting the power of the electric heating in the step c to be 100 percent.

4. The method for heat-treating a traditional Chinese medicine according to claim 1, characterized in that: when the p is more than 0.26MPa and less than or equal to 0.268MPa in the step c, the power of the electric heating in the step c is adjusted to 80 percent.

5. The method for heat-treating a traditional Chinese medicine according to claim 1, characterized in that: when the p is more than 0.268MPa and less than or equal to 0.272MPa in the step c, the power of the electric heating in the step c is adjusted to be 50 percent.

6. The method for heat-treating a traditional Chinese medicine according to claim 1, characterized in that: when the p is more than 0.272MPa and less than or equal to 0.28MPa in the step c, the power of the electric heating in the step c is adjusted to 10 percent.

7. The method for heat-treating a traditional Chinese medicine according to claim 1, characterized in that: when 0.293MPa > p > 0.28MPa in the step c, the electric heating in the step c is closed, and cooling liquid at 20 ℃ is intermittently introduced into the jacket of the heat treatment tank in the step c.

8. The method for heat-treating a traditional Chinese medicine according to claim 7, characterized in that: the introduction time of the cooling liquid is 30s, and the interval time is 30 s.

9. The method for heat-treating a traditional Chinese medicine according to any one of claims 1 to 8, characterized in that: the traditional Chinese medicine in the step a is any one of radix aconiti lateralis preparata extract, radix aconiti preparata extract, pinellia ternate extract and radix aconiti agrestis extract.

10. The method for heat-treating a traditional Chinese medicine according to claims 1 to 8, characterized in that: the acid in the step b is hydrochloric acid, the concentration of the hydrochloric acid is 1% -20%, and the pH value of the heat treatment liquid is adjusted to 3-4 after the hydrochloric acid and the hydrochloric acid are uniformly mixed.

Technical Field

The invention relates to the field of traditional Chinese medicine production, in particular to a method for carrying out heat treatment on traditional Chinese medicines.

Background

In the production process of the traditional Chinese medicine, in order to remove toxic components in the traditional Chinese medicine, the traditional Chinese medicine is subjected to heat treatment, acid is usually added in the heat treatment process so as to accelerate the process of removing the toxic components in the traditional Chinese medicine, the temperature of the traditional Chinese medicine is a very key index during the heat treatment, the traditional Chinese medicine easily loses medicine properties when the temperature of the traditional Chinese medicine is too high, and the aim of removing the toxic components cannot be achieved when the temperature of the traditional Chinese medicine is too low.

Disclosure of Invention

The invention aims to overcome the defects of the prior art and provide a method for carrying out heat treatment on traditional Chinese medicines, when the method is used, the temperature of the traditional Chinese medicines is accurately measured, the measurement cost is low, and the quality and the property of the traditional Chinese medicines are not influenced during measurement.

In order to achieve the purpose, the invention adopts the technical scheme that the method for carrying out heat treatment on the traditional Chinese medicine comprises the following steps:

a. adding Chinese medicinal materials into the heat treatment tank;

b. adding acid into the heat treatment tank in the step a to form a mixture;

c. electrically heating the mixture in the step b, measuring the air pressure p in the heat treatment tank in the step b, and calculating the temperature T of the mixture through a formula;

d. when the temperature T is more than or equal to 133 ℃ and less than or equal to 137 ℃ in the step c, starting to record the heat treatment time T;

e. and d, when t is more than or equal to 120min in the step d, finishing the heat treatment process and guiding out the mixture in the heat treatment tank.

The method is characterized in that:

the calculation formula in step c is: t =135+ (p-0.27) × 200, where T is in ° c and p is the pressure in the heat treatment tank in MPa.

Preferably, when the air pressure p in the step c is more than or equal to 0.293MPa, the electric heating in the step c is closed, and the cooling liquid with the temperature of 20 ℃ is continuously introduced into the jacket of the heat treatment tank in the step c.

Preferably, when p is less than or equal to 0.26MPa in the step c, the power of the electric heating in the step c is adjusted to be 100 percent.

Preferably, when 0.26MPa < p.ltoreq.0.268 MPa in step c, the power of the electric heating in step c is adjusted to 80%.

Preferably, the power of the electric heating in step c is adjusted to 50% when 0.268MPa < p.ltoreq.0.272 MPa in step c.

Preferably, the power of the electric heating in step c is adjusted to 10% when 0.272MPa < p.ltoreq.0.28 MPa in said step c.

Preferably, when 0.293MPa > p > 0.28MPa in the step c, the electric heating in the step c is closed, and the cooling liquid at 20 ℃ is intermittently introduced into the jacket of the heat treatment tank in the step c.

Further preferably, the cooling liquid is introduced for 30s, and the interval time is 30 s.

More preferably, the Chinese medicine in the step a is any one of an extract of monkshood, an extract of pinellia ternate and an extract of kusnezoff monkshood root.

Further preferably, the acid in the step b is hydrochloric acid, the concentration of the hydrochloric acid is 1% -20%, and the pH value of the heat treatment liquid is adjusted to 3-4 after the hydrochloric acid and the hydrochloric acid are uniformly mixed.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

according to the method for carrying out heat treatment on the traditional Chinese medicine, the temperature of the traditional Chinese medicine in the heat treatment tank is obtained by measuring the air pressure in the heat treatment tank and calculating according to a formula, the temperature of the traditional Chinese medicine is accurately measured, the air pressure measurement cost is low, the traditional Chinese medicine does not need to be contacted with the traditional Chinese medicine during measurement, and the quality and the property of the traditional Chinese medicine are not influenced.

Detailed Description

The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more readily understand the advantages and features of the present invention and to clearly and unequivocally define the scope of the present invention.

The invention provides a method for carrying out heat treatment on a traditional Chinese medicine, which comprises the following steps:

a. adding Chinese medicinal materials into the heat treatment tank;

b. adding acid into the heat treatment tank in the step a to form a mixture;

c. electrically heating the mixture in the step b, measuring the air pressure p in the heat treatment tank in the step b, and calculating the temperature T of the mixture through a formula;

d. when the temperature T is more than or equal to 133 ℃ and less than or equal to 137 ℃ in the step c, starting to record the heat treatment time T;

e. and d, when t is more than or equal to 120min in the step d, finishing the heat treatment process and guiding out the mixture in the heat treatment tank.

The method is characterized in that:

the calculation formula in step c is: t =135+ (p-0.27) × 200, where T is in ° c and p is the pressure in the heat treatment tank in MPa.

Preferably, when the air pressure p in the step c is more than or equal to 0.293MPa, the electric heating in the step c is closed, and the cooling liquid with the temperature of 20 ℃ is continuously introduced into the jacket of the heat treatment tank in the step c.

Preferably, when p < 0.26MPa in step c, the power of the electric heating in step c is adjusted to 100%.

Preferably, when 0.26MPa < p.ltoreq.0.268 MPa in step c, the power of the electric heating in step c is adjusted to 80%.

Preferably, the power of the electric heating in step c is adjusted to 50% when 0.268MPa < p.ltoreq.0.272 MPa in step c.

Preferably, the power of the electric heating in step c is adjusted to 10% when 0.272MPa < p.ltoreq.0.28 MPa in said step c.

Preferably, when 0.293MPa > p > 0.28MPa in the step c, the electric heating in the step c is closed, and the cooling liquid at 20 ℃ is intermittently introduced into the jacket of the heat treatment tank in the step c.

Further preferably, the cooling liquid is introduced for 30s, and the interval time is 30 s.

More preferably, the Chinese medicine in the step a is any one of an extract of monkshood, an extract of pinellia ternate and an extract of kusnezoff monkshood root.

Further preferably, the acid in the step b is hydrochloric acid, the concentration of the hydrochloric acid is 1% -20%, and the pH value of the heat treatment liquid is adjusted to 3-4 after the hydrochloric acid and the hydrochloric acid are uniformly mixed.

The temperature of the traditional Chinese medicine in the heat treatment tank is obtained by measuring the air pressure in the heat treatment tank and calculating according to a formula, the temperature measurement of the traditional Chinese medicine is accurate, the air pressure measurement cost is low, the traditional Chinese medicine is not required to be in contact with the traditional Chinese medicine during measurement, and the quality and the property of the traditional Chinese medicine are not influenced.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.