CN218248963U

CN218248963U - Continuous high-efficient splitter of albumen in starch saccharification liquid

Info

Publication number: CN218248963U
Application number: CN202222181211.2U
Authority: CN
Inventors: 樊轩; 韩成秀
Original assignee: Hefei Huaheng Biological Engineering Co ltd; Bayannur Huaheng Biotechnology Co ltd; Anhui Huaheng Biotechnology Co Ltd
Current assignee: Hefei Huaheng Biological Engineering Co ltd; Bayannur Huaheng Biotechnology Co ltd; Anhui Huaheng Biotechnology Co Ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-01-10
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a continuous and high-efficiency separation device for protein in starch saccharification liquid, which comprises a saccharification tank, a microfiltration membrane filtration system, a solid-liquid separation device and a syrup tank, wherein the microfiltration membrane filtration system comprises a plurality of groups of membrane filtration units which are connected in parallel; the saccharification tank inputs the saccharification liquid to each membrane filtration unit through a saccharification liquid communicating pipe through a liquid inlet of each membrane filtration unit; each membrane filtration unit discharges clear liquid from a clear liquid outlet respectively, and the clear liquid is converged into a clear liquid outlet pipe and is input into the syrup tank through the clear liquid outlet pipe; each membrane filtration unit discharges concentrated solution from a turbid solution outlet respectively and converges the concentrated solution into a concentrated solution outlet pipe, and the concentrated solution is input into the solid-liquid separation device through the concentrated solution outlet pipe; the solid-liquid separation device is provided with a solid discharge port and a liquid discharge port. The utility model discloses a microfiltration membrane filtration system replaces original plate and frame filtration equipment with solid-liquid separation equipment, has the characteristics that filtration efficiency is high, the separation effect is good, has avoided filtration equipment's jam, and the product moisture that the final drying obtained is low, and storage value is high.

Description

Continuous high-efficient splitter of albumen in starch saccharification liquid

Technical Field

The utility model relates to a starch sugar preparation field especially relates to a continuous high-efficient splitter of albumen in starch saccharification liquid.

Background

The process for the preparation of starch sugars generally comprises: liquefying, saccharifying, decolorizing, filtering, refining and concentrating. Starch is liquefied by enzymes, saccharified and hydrolyzed into various sugar molecules with low degree of polymerization, and proteins in cells are released, and flocculated, denatured and polymerized by heat, isoelectric point, etc., and have high viscosity, so that it is necessary to purify a saccharified solution to remove proteins and other components therein to obtain a starch syrup with high purity.

In the prior art, the saccharification liquid is generally subjected to natural sedimentation, precoating vacuum filtration or plate-and-frame filter pressing to remove flocculated protein, but the defects of large equipment floor area, low filtration effect and the like exist, continuous operation cannot be realized, the recovered syrup has low clarity and cannot be completely recovered due to the problem of filtration precision, the water content of the crude protein obtained by separation is high, and the difficulty of a subsequent decolorization process and the protein drying burden are increased. In addition, precoat vacuum filtration or plate and frame filter pressing also requires the consumption of large amounts of filter aids (diatomaceous earth, activated carbon, etc.), resulting in large amounts of solid contaminants.

Disclosure of Invention

Based on the above problem, the utility model aims at providing a continuous high-efficient treatment facility of starch saccharification liquid, the utility model adopts the following technical scheme:

a continuous high-efficiency separation device for protein in starch saccharification liquid comprises a saccharification tank, a microfiltration membrane filtration system, a solid-liquid separation device and a syrup tank; the microfiltration membrane filtration system comprises a plurality of groups of membrane filtration units which are connected in parallel;

the saccharification tank inputs the saccharification liquid to each membrane filtration unit through a saccharification liquid communicating pipe through a liquid inlet of each membrane filtration unit; each membrane filtration unit discharges clear liquid from a clear liquid outlet respectively, and the clear liquid is converged into a clear liquid outlet pipe and is input into the syrup tank through the clear liquid outlet pipe; each membrane filtration unit discharges concentrated solution from a turbid solution outlet respectively and converges the concentrated solution into a concentrated solid-liquid outlet pipe, and the concentrated solution is input into a solid-liquid separation device through the concentrated solid-liquid outlet pipe; the solid-liquid separation device is provided with a solid discharge port and a liquid discharge port.

Preferably, the solid-state discharge port of the solid-liquid separation device is communicated with the feed port of the dryer through a protein conveying pipe.

Preferably, the liquid discharge port of the solid-liquid separation device is communicated with the syrup tank through a syrup recovery pipe.

Preferably, a saccharification liquid feeding pipe is arranged at the top of the saccharification tank, and a feeding pump is arranged on the saccharification liquid communicating pipe.

Preferably, each set of the membrane filtration units comprises an even number of membrane modules, and each membrane module is provided with a plurality of microfiltration membrane elements.

Preferably, the micro-filtration membrane element is a ceramic membrane element or a hollow fiber membrane element, and the pore diameter of the micro-filtration membrane element is controlled to be 50-200 nm.

Preferably, the solid-liquid separation device is a belt filter or a turbidity filter.

Compared with the prior art, the utility model discloses a beneficial technological effect:

1. the utility model discloses filter the microfiltration membrane and combine together with solid-liquid separator, separation efficiency is high, degree of automation is high, can separate out the crude protein in the saccharification liquid fast, high-efficient, reduces the water content of crude protein, improves protein recovery value, and the quality of while separation gained syrup clear liquid is high, impurity is few.

2. The microfiltration membrane filtration system is provided with a plurality of membrane groups, the membrane groups are convenient to clean, can be reserved, and can work when other membrane groups are cleaned, so that the working continuity is ensured.

Compare in adopting the low, not high scheduling problem of degree of automation of filtration efficiency that the plate frame filter-pressing exists of adopting among the prior art to handle saccharification liquid, the utility model discloses separation efficiency is high, and equipment area is little, degree of automation improves, effectively removes the protein in the saccharification liquid, and gained sugar liquid output is high, the quality is good, can realize quick, high-efficient, the continuous processing to the saccharification liquid.

Drawings

The present invention will be further explained with reference to the following description of the drawings.

FIG. 1 is a schematic structural view of an apparatus for continuously and efficiently treating a starch saccharification liquid according to the present invention;

FIG. 2 is a schematic view showing a partial structure of an apparatus for continuously and efficiently treating a starch saccharification liquid according to the present invention;

description of reference numerals: 1. a saccharification tank; 101. a saccharification liquid feeding pipe; 102. a saccharification liquid communicating pipe; 2. a microfiltration membrane filtration system; 201. a membrane filtration unit; 201-1, membrane module; 3. a solid-liquid separation device; 4. a dryer; 5. a feed pump; 6. a clear liquid outlet pipe; 7. a concentrated solid-liquid outlet pipe; 8. a protein delivery tube; 9. a syrup tank; 10. a syrup recovery pipe.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 and fig. 2, the present embodiment discloses a continuous and efficient separation apparatus for proteins in a starch saccharification liquid, which includes a saccharification tank 1, a microfiltration membrane filtration system 2, a solid-liquid separation device 3 and a syrup tank 9, which are sequentially arranged, wherein the microfiltration membrane filtration system 2 includes three groups of membrane filtration units 201 connected in parallel. The saccharification tank 1 inputs the saccharification liquid into each membrane filtration unit 201 through a saccharification liquid communicating pipe 102 through a liquid inlet of each membrane filtration unit 201; each membrane filtration unit 201 discharges clear liquid from a clear liquid outlet, and the clear liquid is converged into a clear liquid outlet pipe 6 and is input into the syrup tank 9 through the clear liquid outlet pipe 6; each membrane filtration unit 201 discharges concentrated solution from a turbid solution outlet, converges in a concentrated solid-liquid outlet pipe 7, and is input into the solid-liquid separation device 3 through the concentrated solid-liquid outlet pipe 7; the solid-liquid separation device 3 is provided with a solid discharge port and a liquid discharge port.

In this embodiment, the solid discharge port of the solid-liquid separation device 3 is communicated with the feed port of the dryer 4 through the protein delivery pipe 8.

In the present embodiment, the liquid discharge port of the solid-liquid separation device 3 is communicated with the syrup tank 9 through a syrup recovery pipe 10.

In this embodiment, a mash feed line 101 is provided at the top of the mash tun 1, and a feed pump 5 is provided on the mash connection tube 102.

The utility model discloses a working process does: starch is converted into starch milk through liquefaction, the starch milk is sprayed for the first time, the pH value is adjusted after secondary spraying, the starch milk enters a laminar flow pipe, finally the starch milk enters a saccharification tank 1 through a saccharification liquid feeding pipe 101 in a form of saccharification liquid for storage, then the saccharification liquid is pumped into three groups of membrane filtration units 201 of a microfiltration membrane filtration system 2 through a feeding pump 5 for first-step filtration, it needs to be stated that the temperature of the saccharification liquid pumped into the membrane filtration units 201 needs to be controlled to be 40-60 ℃, the pressure does not exceed 0.25MPa, and the membrane has a protection effect; the starch syrup discharged from the clear liquid outlet of each group of membrane filtration units 201 is merged into the clear liquid outlet pipe 6 and is input into the syrup tank 9 for storage. The concentrated liquid filtered and retained by each group of membrane filtering units 201 mainly comprises protein components and contains a small amount of starch syrup, the concentrated liquid is respectively discharged from a turbid liquid outlet and merged into a concentrated solid-liquid outlet pipe 7, the concentrated solid-liquid outlet pipe is input into the solid-liquid separation device 3, the starch syrup mixed with flocculent protein in concentrated solid and liquid is further separated by the solid-liquid separation device 3, and the starch syrup obtained after separation enters the syrup tank 9 through the syrup recovery pipe 10 for storage. And (3) the flocculent protein obtained after solid-liquid separation enters the dryer 4 through the protein conveying pipe 8 for dehydration and drying, and the dried protein is collected from a collecting port at the bottom of the dryer 4 and finally packaged to be prepared into the feed. The pressure of the solid-liquid separator needs to be controlled to be within 0.3 MPa.

In this embodiment, the microfiltration membrane filtration system 2 comprises a plurality of groups of membrane filtration units 201 connected in parallel, each group of membrane filtration units 201 can be used independently, the number of the membrane filtration units 201 is reasonably set according to the requirement of material throughput, and spare units are reserved. Each group of membrane filtration units 201 comprises an even number of membrane modules 201-1, and a plurality of ceramic membrane or hollow fiber membrane elements are arranged in each membrane module 201-1. Reserved ports communicated with the clear liquid outlet pipe 6, the concentrated solid-liquid outlet pipe 7 and the saccharification liquid communicating pipe 102 are arranged at the side edge, the top and the bottom of each membrane module 201-1.

In this embodiment, the pore diameter of the microfiltration membrane installed in the membrane module 201-1 is controlled to be 50 to 200nm, and the pore diameter is controlled to be a ceramic membrane element or a hollow fiber membrane element.

In this embodiment, the solid-liquid separation apparatus 3 is a belt filter or a turbid filter.

The above-mentioned embodiments are only described in the preferred embodiments of the present invention, but not limited to the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims

1. The continuous and efficient separation equipment for protein in starch saccharification liquid is characterized by comprising a saccharification tank (1), a microfiltration membrane filtration system (2), a solid-liquid separation device (3) and a syrup tank (9), wherein the microfiltration membrane filtration system (2) comprises a plurality of groups of membrane filtration units (201) which are connected in parallel;

the saccharification tank (1) inputs saccharification liquid into each membrane filtration unit (201) through a saccharification liquid communicating pipe (102) through a liquid inlet of each membrane filtration unit (201); each membrane filtration unit (201) discharges clear liquid from a clear liquid outlet, and the clear liquid is collected into a clear liquid outlet pipe (6) and is input into the syrup tank (9) through the clear liquid outlet pipe (6); each membrane filtration unit (201) discharges concentrated solution from a turbid solution outlet, the concentrated solution is converged into a concentrated solid-liquid outlet pipe (7), and the concentrated solution are input into the solid-liquid separation device (3) through the concentrated solid-liquid outlet pipe (7); the solid-liquid separation device (3) is provided with a solid discharge port and a liquid discharge port.

2. The continuous high-efficiency separation equipment for protein in the starch saccharification liquid as claimed in claim 1, wherein the solid-liquid separation device (3) is provided with a solid-liquid discharge port communicated with a feed port of the dryer (4) through a protein conveying pipe (8).

3. The continuous high-efficiency separation equipment for the protein in the starch saccharification liquid as claimed in claim 1, wherein a liquid discharge port of the solid-liquid separation device (3) is communicated with a syrup tank (9) through a syrup recovery pipe (10).

4. The continuous high-efficiency separation equipment for protein in the starch saccharification liquid as claimed in claim 1, wherein a saccharification liquid feeding pipe (101) is arranged at the top of the saccharification tank (1), and a feeding pump (5) is arranged on the saccharification liquid communicating pipe (102).

5. The apparatus for continuously and efficiently separating proteins in a starch saccharification liquid according to claim 1, characterized in that: each group of membrane filtration units (201) comprises an even number of membrane modules (201-1), and a plurality of microfiltration membrane elements are installed in each membrane module (201-1).

6. The apparatus for continuously and efficiently separating proteins in a starch saccharification liquid according to claim 5, characterized in that: the micro-filtration membrane element is a ceramic membrane element or a hollow fiber membrane element, and the aperture of the micro-filtration membrane element is controlled to be 50-200 nm.

7. The apparatus for continuously and efficiently separating proteins in a starch saccharification liquid according to claim 1, characterized in that: the solid-liquid separation device (3) is a belt filter or a turbid filter.