Industrialised production process of total nutrient pure powdered sugar and liquid syrup and equipment

Abstract

Provided is a production process for powdered sugar and liquid syrup, comprising the steps of primary pressing sugar cane juice extraction, three-stage physical filtration, and sugar boiling, wherein the step of the three-stage physical filtration respectively uses a sieve plate, a bagasse separator and a micro-filtration membrane for filtration. The bagasse separator comprises a screen cylinder transversely arranged inside a separation bin. The inlet and outlet of the screen cylinder are respectively connected to a feeding bin and a discharging bin. A juice outlet and a bagasse outlet are respectively provided under the separation bin and the discharging bin. A propeller blade component is provided inside the screen cylinder. The propeller blade component is formed by combining vertical mixing blades with helical blades.

Claims

1. A method for producing a total nutrient pure powdered sugar and a total nutrient pure liquid syrup, comprising steps of: (1) extracting primary pressing sugar cane juice: pressing sugar cane with a roller mill equipment; sugar cane juice pressed through a first roller mill is utilized for the following steps; (2) proceeding a first-stage physical filtration: providing a sieve plate for the roller mill equipment; the sieve plate is mounted under a roller of the first roller mill to proceed the first-stage physical filtration with the sugar cane juice obtained in step (1), wherein the sieve plate is provided with a sieve having 50 to 200 meshes; after the first-stage physical filtration, mill mud, and all sliced bagasse and sliced impurities that are filterable by the sieve having 50 to 200 meshes are removed from the sugar cane juice; (3) proceeding a second-stage physical filtration: utilizing a bagasse separator to proceed the second-stage physical filtration with the sugar cane juice obtained in step (2), wherein the bagasse separator is provided with a sieve having 200 to 500 meshes; after filtration, fibers and impurities that are filterable by the sieve having 200 to 500 meshes are removed from the sugar cane juice; (4) proceeding a third-stage physical filtration: heating the sugar cane juice obtained in step (3) to a temperature of 50 to 90 C.; a micro-filtration membrane having 50 to 350 nm diameter holes is utilized to proceed the third-stage physical filtration; after filtration, bacteria, trace mill mud and trace impurities are removed from the sugar cane juice; and (5) boiling the sugar cane juice obtained after the third-stage physical filtration with a sugar boiling means; the total nutrient pure liquid syrup is obtained when 50 to 60 wt % of water contained in the sugar cane juice has evaporated; the total nutrient pure powdered sugar is obtained when 95 wt % of water contained in the sugar cane juice has evaporated.

2. The method of claim 1, wherein the micro-filtration membrane utilized in step (4) is a ceramic membrane or an organic polymer membrane.

3. The method of claim 1, wherein the sieve plate is utilized to proceed the first-stage physical filtration with the sugar cane juice obtained in step (1) without power consumption.

Description

BRIEF DESCRIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS

(1) The present invention will be best understood by referring to the following detailed description of some illustrative embodiments in conjunction with the accompanying drawings, in which:

(2) FIG. 1 is a flowchart showing an industrialised production process of total nutrient pure powdered sugar and liquid syrup according to the present invention; and

(3) FIG. 2 is a schematic view showing the bagasse separator utilized during the second-stage filtration according to the present invention.

DETAILED DESCRIPTION OF THE INVENTION

(4) The following illustrative embodiments and drawings are provided to illustrate the disclosure of the present invention, these and other advantages and effects can be clearly understood by persons skilled in the art after reading the disclosure of this specification.

Example 1

(5) (a). primary pressing sugar cane juice extraction: pressing the sugar cane with conventional roller mill equipment, and the sugar cane juice pressed through the first roller mill is utilized for the following steps.

(6) (b). first-stage physical filtration: a sieve plate is designed for the roller mill and mounted under the roller of the first roller mill so as to proceed the first-stage physical filtration with the sugar cane juice obtained in step (a) without power consumption, wherein the sieve plate is provided with a sieve having 100 meshes.

(7) (c). second-stage physical filtration: a bagasse separator is utilized to proceed the second-stage physical filtration with the sugar cane juice obtained in step (b), wherein the bagasse separator is provided with a sieve having 300 meshes.

(8) (d). third-stage physical filtration: the sugar cane juice obtained in step (c) is heated to a temperature of 80 and a ceramic micro-filtration membrane having 100 nm diameter holes is utilized to proceed the third-stage physical filtration.

(9) (e). sugar boiling: the sugar cane juice obtained after the third-stage physical filtration is boiled with conventional sugar boiling methods, as is well known in the industry. The total nutrient pure liquid syrup is obtained when 50 wt % of water contained in the sugar cane juice has evaporated, and the total nutrient pure powdered sugar is obtained when 95 wt % of water contained in the sugar cane juice has evaporated.

(10) In this embodiment, the sugar cane juice obtained after three-stage physical filtration was analyzed in Guangxi Center of Analysis and Test Research, wherein the analyzed sample had a sugar content of 20 wt %. The analyzed sample contained amino acids 504 mg/100 mL, octacosanol 0.26 mg/100 mL, polyphenols 57.4 mg/100 mL, organic acids 105 mg/100 mL, calcium 3.5 mg/100 g, iron 0.61 mg/100 g, selenium 0.003 mg/kg, zinc 1.81 mg/kg, vitamin C 0.88 mg/100 mL, vitamin B1 3.26 g/100 mL, vitamin B2 18.2 g/100 mL, and vitamin B6 387 g/100 mL. According to the analysis report, the sugar cane juice obtained after three-stage physical filtration could efficiently preserve total nutrients of sugar cane, and powdered sugar and liquid syrup preserving total nutrients could be provided by the production process. The analyzed sample was detected with harmful substances as well, and contained Arsenic <0.01 mg/kg (that is, Arsenic is undetectable), Mercury 0.0008 mg/kg, Cadmium 0.0031 mg/kg, and Plumbum 0.008 mg/kg, each of which was much lower than the national standard. In addition, pesticides such as Diuron and Carbofuran were not found in the analyzed sample.

Example 2

(11) (a). primary pressing sugar cane juice extraction: pressing the sugar cane with conventional roller mill equipment, and the sugar cane juice pressed through the first roller mill is utilized for the following steps.

(12) (b). first-stage physical filtration: a sieve plate is designed for the roller mill and mounted under the roller of the first roller mill so as to proceed the first-stage physical filtration with the sugar cane juice obtained in step (a) without power consumption, wherein the sieve plate is provided with a sieve having 50 meshes.

(13) (c). second-stage physical filtration: a bagasse separator is utilized to proceed the second-stage physical filtration with the sugar cane juice obtained in step (b), wherein the bagasse separator is provided with a sieve having 200 meshes.

(14) (d). third-stage physical filtration: the sugar cane juice obtained in step (c) is heated to a temperature of 50 and a ceramic micro-filtration membrane having 350 nm diameter holes is utilized to proceed the third-stage physical filtration.

(15) (e). sugar boiling: the sugar cane juice obtained after the third-stage physical filtration is boiled with conventional sugar boiling methods, as is well known in the industry. The total nutrient pure liquid syrup is obtained when 50 wt % of water contained in the sugar cane juice has evaporated, and the total nutrient pure powdered sugar is obtained when 95 wt % of water contained in the sugar cane juice has evaporated.

Example 3

(16) (a). primary pressing sugar cane juice extraction: pressing the sugar cane with conventional roller mill equipment, and the sugar cane juice pressed through the first roller mill is utilized for the following steps.

(17) (b). first-stage physical filtration: a sieve plate is designed for the roller mill and mounted under the roller of the first roller mill so as to proceed the first-stage physical filtration with the sugar cane juice obtained in step (a) without power consumption, wherein the sieve plate is provided with a sieve having 200 meshes.

(18) (c). second-stage physical filtration: a bagasse separator is utilized to proceed the second-stage physical filtration with the sugar cane juice obtained in step (b), wherein the bagasse separator is provided with a sieve having 500 meshes.

(19) (d). third-stage physical filtration: the sugar cane juice obtained in step (c) is heated to a temperature of 90 and a ceramic micro-filtration membrane having 50 nm diameter holes is utilized to proceed the third-stage physical filtration.

(20) (e). sugar boiling: the sugar cane juice obtained after the third-stage physical filtration is boiled with conventional sugar boiling methods, as is well known in the industry. The total nutrient pure liquid syrup is obtained when 60 wt % of water contained in the sugar cane juice has evaporated, and the total nutrient pure powdered sugar is obtained when 95 wt % of water contained in the sugar cane juice has evaporated.

(21) In this embodiment, the total nutrient pure powdered sugar was analyzed in Guangxi Center of Analysis and Test Research. The analyzed sample contained amino acids 1.08 g/100 g, octacosanol 2.0 mg/100 g, polyphenols 386 mg/100 g, calcium 86.66 mg/100 g, iron 3.10 mg/100 g, selenium 0.0472 mg/kg, zinc 6.5 mg/kg, vitamin C 8 mg/100 g, vitamin B1 358 g/100 g, vitamin B2 620 g/100 g, and vitamin B6 19.2 mg/100 g. According to the analysis report, the total nutrient pure powdered sugar could efficiently preserve total nutrients of sugar cane.

(22) It must be pointed out that the embodiments described above are only some embodiments of the present invention. All equivalent structures which employ the concepts disclosed in this specification and the appended claims should fall within the scope of the present invention.

(23) It must be pointed out that the embodiments described above are only some embodiments of the present invention. All equivalent structures which employ the concepts disclosed in this specification and the appended claims should fall within the scope of the present invention.