阅读说明：本技术 一种循环磨浆系统和循环磨浆方法 (Circulating pulping system and circulating pulping method ) 是由 王一帆 王传彭 刘功明 于 2020-12-09 设计创作，主要内容包括：本申请公开了一种循环磨浆系统和磨浆方法,属于食品加工技术领域。该循环磨浆系统通过多级循环研磨、多级分离过滤和煮浆过程,实现原料如大豆的全豆磨浆,不产生豆渣,原料利用率高、研磨效率高；该循环磨浆系统为封闭体系避免了污染,更易于控制食品安全,同时节省成本,提高了经济效益,适于规模化生产；使用该多级循环磨浆系统和磨浆方法制得的浆液如豆浆营养丰富、口感细腻丝滑。(The application discloses circulation pulping system and pulping method belongs to the technical field of food processing. The circulating pulping system realizes whole-bean pulping of raw materials such as soybeans through multistage circulating grinding, multistage separation and filtration and pulp boiling processes, does not generate bean dregs, and has high raw material utilization rate and high grinding efficiency; the circular pulping system is a closed system, avoids pollution, is easier to control food safety, saves cost, improves economic benefit, and is suitable for large-scale production; the pulp such as soybean milk prepared by the multistage circulating pulping system and the pulping method has rich nutrition and fine and smooth mouthfeel.)

1. An endless refining system, comprising:

the pulping device comprises a pulping component forming a grinding gap, and a raw material inlet and a grinding pulp residue outlet which are respectively communicated with the grinding gap;

the pulping separation component comprises a pulping separation unit provided with a pulping separation component inlet, a pulping outlet and a pulping slag outlet, the pulping slag outlet is communicated with the pulping separation component inlet, and the pulping slag outlet is communicated with the grinding gap;

the soybean milk cooking device comprises a soybean milk cooking main body forming a soybean milk cooking cavity, a soybean milk cooking residue inlet and a soybean milk cooking residue outlet which are communicated with the soybean milk cooking cavity, and the soybean milk grinding outlet is communicated with the soybean milk cooking residue inlet; and

the pulp boiling separation assembly comprises a pulp boiling separation unit provided with a pulp boiling separation assembly inlet, a pulp boiling outlet and a pulp boiling slag outlet, the pulp boiling slag outlet is communicated with the pulp boiling separation assembly inlet, and the pulp boiling slag outlet is communicated with the grinding gap;

the pulping device, the pulping separation assembly, the pulp boiling device and the pulp boiling separation assembly are arranged in such a way that raw materials enter the circular pulping system from the raw material inlet to be made into pulp, and the pulp is discharged from the pulp boiling outlet.

2. The system according to claim 1, characterized in that the refining separation unit comprises a refining separation core, which is a 20-180 mesh/μm sieve structure and/or;

the pulp boiling and separating unit comprises a pulp boiling and separating core which is of a 40-180 mesh/nm filter screen structure.

3. The system of claim 1, wherein the refining separator assembly is positioned at the top of the material inlet of the refining apparatus, and the refining tap is connected to the material inlet such that the slurry-residue mixture flows into the material inlet after being separated by the refining separator assembly.

4. The system of claim 1, wherein a steam conduit is provided in the cooking body, the steam conduit having a plurality of steam outlets, the steam outlets facing downward into the bottom and/or the steam outlets being distributed at the bottom or side walls of the steam conduit (without upwardly facing steam outlets);

the pulp cooking and conveying pipe communicated with the pulp cooking residue inlet and the top of the steam pipeline is arranged in the pulp cooking main body.

5. The circulating refining system of claim 1, wherein the pulp boiling device comprises a temperature sensor, a controller and a timer, and the pulp boiling residue outlet is provided with a one-way numerical control valve;

and the controller opens or closes the one-way numerical control valve according to the information of the temperature sensor and the timer.

6. The hydrorefining system of claim 1, further comprising a homogenizing device and a homogenizing separator assembly;

the homogenizing device comprises a homogenizing main body forming a homogenizing cavity, and a homogenizing pulp-residue inlet and a homogenizing pulp-residue outlet which are communicated with the homogenizing cavity, and the pulp grinding outlet is communicated with the homogenizing pulp-residue inlet;

the homogeneous separation component comprises a homogeneous separation unit provided with a homogeneous separation component inlet, a homogeneous slurry outlet and a homogeneous slag outlet, the homogeneous slurry slag outlet is communicated with the homogeneous separation component inlet, and the homogeneous slag outlet is communicated with the homogeneous cavity; and

the pulp boiling slag outlet is communicated with the grinding gap or the pulp boiling slag outlet is communicated with the homogenizing cavity.

7. The system according to claim 6, wherein said homogenizing unit comprises a homogenizing core having a 20-180 mesh/nm screen structure.

8. An endless refining method using the endless refining system according to any one of claims 1 to 7, characterized in that the endless refining method comprises:

1) soaking the dry raw materials in water to obtain wet raw materials;

2) grinding materials comprising wet raw materials and water by a grinding device to prepare a grinding slurry-slag mixture, separating the grinding slurry-slag mixture by a grinding slurry separation component to prepare grinding slag and grinding slurry, and continuously feeding the grinding slag into the grinding device for grinding;

3) the grinding pulp is boiled by the pulp boiling device to prepare a pulp boiling pulp-residue mixture, the pulp boiling pulp-residue mixture is separated by the pulp boiling separation component to prepare a pulp boiling slag material and a pulp boiling pulp, and the pulp boiling slag material enters the pulp grinding device for grinding;

4) and homogenizing, filling and sterilizing the boiled soybean milk to obtain the finished soybean milk.

9. An endless refining method using the endless refining system according to any one of claims 1 to 7, characterized in that the endless refining method comprises:

A. soaking the dry raw materials in water to obtain wet raw materials;

B. grinding materials comprising wet raw materials and water by a grinding device to prepare a grinding slurry-slag mixture, separating the grinding slurry-slag mixture by a grinding slurry separation component to prepare grinding slag and grinding slurry, and continuously feeding the grinding slag into the grinding device for grinding;

C. the grinding slurry is finely ground by a homogenizing device to prepare a homogeneous slurry-slag mixture, the homogeneous slurry-slag mixture is separated by the homogeneous separation component to prepare homogeneous slag and homogeneous slurry, and the homogeneous slag enters the homogenizing device to be continuously finely ground;

D. the homogenized pulp is boiled by the pulp boiling device to prepare a pulp boiling pulp residue mixture, the pulp boiling pulp residue mixture is separated by the pulp boiling separation component to prepare a pulp boiling slag material and a pulp boiling pulp, and the pulp boiling slag material enters the pulp grinding device or the homogenizing device to be continuously ground;

E. and homogenizing, filling and sterilizing the boiled soybean milk to obtain the finished soybean milk.

10. The cyclic refining method as claimed in claim 8 or 9, wherein the wet raw material includes wet soybeans comprising water at a mass ratio of 1:0.8-1.2 to dry soybeans;

the weight ratio of the wet soybeans to the water in the material is 1: 6-8.

Technical Field

The application relates to a circulating pulping system and a circulating pulping method, belonging to the technical field of food processing.

Background

At present, the domestic application of the more common pulping method is a raw pulp method, which is because the raw pulp method has simple process operation, high efficiency and easy filtration, but can cause a large amount of bean dregs to be discarded, and the content of nutrient components in the bean dregs is higher. The commonly used pulping method in China is to adopt a mode of combining a plurality of pulping machines to carry out pulping, and the mode achieves the purpose of fully pulping by grinding for many times, but has the problems of occupying field, consuming energy, having high equipment cost and the like.

CN 103533847 a discloses a method for producing soybean milk, which is a method for producing soybean milk by grinding soaked soybeans in multiple stages and recycling low-concentration soybean milk recovered by filtering the ground liquid in multiple stages, and the method reduces the amount of soybean dregs generated after grinding and can improve the extraction rate of nutrient components in the soybean dregs. However, in the pulping method, the ground liquid after being ground is ground in multiple stages, the ground liquid is mostly raw pulp, the grinding treatment of the raw pulp is repeated for multiple times, the effect is basically not achieved, and the concentration of the raw pulp is high, so that the dissolution of the nutrient components in the bean dregs is not facilitated.

Disclosure of Invention

In order to solve the problems, the application provides a circulating pulping system and a circulating pulping method, the circulating pulping system realizes whole-bean pulping of raw materials such as soybeans through multi-stage circulating grinding, multi-stage separation filtering and pulp boiling processes, bean dregs are not generated, the utilization rate of the raw materials is high, and the grinding efficiency is high; the circulating pulping system avoids pollution for a closed system, is easier to control food safety, saves cost, improves economic benefit, and is suitable for large-scale production; the pulp such as soybean milk prepared by the multistage circulating pulping system has rich nutrition and fine and smooth mouthfeel.

According to one aspect of the application, there is provided an endless refining system comprising:

the pulping device comprises a pulping component forming a grinding gap, and a raw material inlet and a grinding pulp residue outlet which are communicated with the grinding gap;

the pulping separation component comprises a pulping separation unit provided with a pulping separation component inlet, a pulping outlet and a pulping slag outlet, the pulping slag outlet is communicated with the pulping separation component inlet, and the pulping slag outlet is communicated with the grinding gap;

the soybean milk cooking device comprises a soybean milk cooking main body forming a soybean milk cooking cavity, a soybean milk cooking residue inlet and a soybean milk cooking residue outlet which are communicated with the soybean milk cooking cavity, and the soybean milk grinding outlet is communicated with the soybean milk cooking residue inlet; and

the pulp boiling separation assembly comprises a pulp boiling separation unit provided with a pulp boiling separation assembly inlet, a pulp boiling outlet and a pulp boiling slag outlet, the pulp boiling slag outlet is communicated with the pulp boiling separation assembly inlet, and the pulp boiling slag outlet is communicated with the grinding gap;

the pulping device, the pulping separation assembly, the pulp boiling device and the pulp boiling separation assembly are arranged in such a way that raw materials enter the circular pulping system from the raw material inlet to be made into pulp, and the pulp is discharged from the pulp boiling outlet.

In the process for producing the whole soybean milk, the separation of the soybean milk residue is not carried out after the soybean milk is ground, even if the grinding is sufficient, a certain amount of soybean milk residue still exists, after the soybean milk is boiled, the granularity of the soybean milk residue can be increased to a certain extent due to the preheating and expansion effect of the soybean milk residue particles, so that the filtering of the soybean milk residue is carried out after the soybean milk is boiled, the filtered soybean milk residue enters the grinding device again for grinding, the nutrient substances in the soybean milk and the soybean milk can be kept to the maximum extent, simultaneously, the smooth feeling of the cooked soybean milk after the soybean milk residue is removed can be enhanced, and the effect of improving the quality of the whole soybean milk is great.

Optionally, the refining separation unit comprises a refining separation core, and the refining separation core is of a 20-180-mesh filter screen structure;

the pulp boiling separation unit comprises a pulp boiling separation core, and the pulp boiling separation core is of a 20-180-mesh filter screen structure.

Optionally, the refining separation assembly is arranged on top of a raw material inlet of the refining apparatus, and the refining slag outlet is connected to the raw material inlet, so that slag obtained after the separation of the pulp-slag mixture by the refining separation assembly flows into the raw material inlet.

Optionally, a steam pipeline is arranged in the pulp cooking main body, and a plurality of steam outlets are arranged on the steam pipeline; the pulp cooking and conveying pipe communicated with the pulp cooking residue inlet and the top of the steam pipeline is arranged in the pulp cooking main body. Further, the soybean milk boiling main body is cylindrical, the steam pipeline extends along the radial direction of the soybean milk boiling main body, and the steam outlets are uniformly arranged on the steam pipeline. Further, the ratio of the distance between two adjacent steam outlets to the diameter of the soymilk boiling main body is 5-7: 1. preferably, the ratio of the distance between the two adjacent steam outlets to the diameter of the soymilk boiling body is 6: 1. The arrangement mode of the steam pipeline and the steam outlet thereof can not only shorten the soybean milk boiling time and avoid the scabbing of protein in the soybean milk on the wall of the steam pipe due to too long heating time, but also improve the soybean milk boiling efficiency and reduce the energy consumption.

Optionally, the pulp cooking device comprises a temperature sensor, a controller and a timer, and a one-way numerical control valve is arranged at the pulp cooking residue outlet;

and the controller opens or closes the one-way numerical control valve according to the information of the temperature sensor and the timer.

Optionally, the device further comprises a homogenizing device and a homogenizing and separating assembly;

the homogenizing device comprises a homogenizing main body forming a homogenizing cavity, and a homogenizing pulp-residue inlet and a homogenizing pulp-residue outlet which are communicated with the homogenizing cavity, and the pulp grinding outlet is communicated with the homogenizing pulp-residue inlet; and

the homogeneous separation component comprises a homogeneous separation unit provided with a homogeneous separation component inlet, a homogeneous slurry outlet and a homogeneous slag outlet, the homogeneous slurry slag outlet is communicated with the homogeneous separation component inlet, and the homogeneous slag outlet is communicated with the homogeneous cavity; and

the pulp boiling slag outlet is communicated with the grinding gap or communicated with the homogenizing cavity.

Optionally, the homogeneous separation unit comprises a homogeneous separation core, the homogeneous separation core being a 20-180 mesh sieve structure.

According to another aspect of the present application, there is provided an endless refining method using the endless refining system described in any one of the above, the endless refining method including:

1) soaking the dry raw materials in water to obtain wet raw materials;

2) grinding materials comprising wet raw materials and water by a grinding device to obtain a grinding slurry-slag mixture, separating the grinding slurry-slag mixture by a grinding slurry separation component to obtain grinding slag and grinding slurry, and continuously feeding the grinding slag into the grinding device for grinding;

3) the grinding pulp is boiled by the pulp boiling device to prepare a pulp boiling pulp-residue mixture, the pulp boiling pulp-residue mixture is separated by the pulp boiling separation component to prepare a pulp boiling slag material and a pulp boiling pulp, and the pulp boiling slag material enters the pulp grinding device for grinding;

4) and homogenizing, filling and sterilizing the boiled soybean milk to obtain the finished soybean milk.

According to another aspect of the present application, there is provided an endless refining method using the endless refining system described in any one of the above, the endless refining method including:

A. soaking the dry raw materials in water to obtain wet raw materials;

B. grinding materials comprising wet raw materials and water by a grinding device to obtain a grinding slurry-slag mixture, separating the grinding slurry-slag mixture by a grinding slurry separation component to obtain grinding slag and grinding slurry, and continuously feeding the grinding slag into the grinding device for grinding;

C. the grinding slurry is finely ground by a homogenizing device to prepare a homogeneous slurry-slag mixture, the homogeneous slurry-slag mixture is separated by the homogeneous separation component to prepare homogeneous slag charge and homogeneous slurry, and the homogeneous slag charge enters the homogenizing device to be continuously finely ground;

D. the homogenized pulp is boiled by a pulp boiling device to prepare a pulp boiling pulp residue mixture, the pulp boiling pulp residue mixture is separated by the pulp boiling separation component to prepare a pulp boiling slag material and a pulp boiling pulp, and the pulp boiling slag material is fed into a pulp grinding device or a homogenizing device for continuous grinding;

E. and homogenizing, filling and sterilizing the boiled soybean milk to obtain the finished soybean milk.

Optionally, the wet feedstock comprises wet soybeans comprising water in a mass ratio to dry soybeans of 1: 0.8-1.2; the weight ratio of the wet soybeans to the water in the material is 1: 6-8.

Preferably, the wet soybeans comprise water in a mass ratio to dry beans of 1: 1; the weight ratio of the wet soybean to the water in the material is 1: 7.

Optionally, the raw material is selected from at least one of soybean, rice, wheat, corn, sorghum, chestnut, millet and buckwheat. Further, the soybean product is at least one selected from soybean, small red bean, black bean, mung bean, kidney bean, broad bean and pea. Further, the wheat is selected from at least one of wheat, barley, oat and rye. Preferably, the feedstock comprises soy.

In this application, the whole bean milk grinding means that beans are not peeled and whole beans are made into soybean milk without removing bean dregs.

Benefits that can be produced by the present application include, but are not limited to:

1. the circulating pulping system and the method provided by the application realize whole-soybean pulping of raw materials such as soybeans through multistage circulating grinding, multistage separation and filtration and pulp boiling processes, do not generate bean dregs, and have high raw material utilization rate and high grinding efficiency.

2. The utility model provides a circulating pulping system, this circulating pulping system has avoided the pollution for closed system, changes in the control food safety, saves the cost simultaneously, has improved economic benefits, is suitable for large-scale production.

3. The soybean milk such as soybean milk prepared by the circular pulping system and the method provided by the application is rich in nutrition and fine and smooth in taste.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of a cyclic refining system according to one embodiment of the present application;

fig. 2 is a schematic view of a refining apparatus according to an embodiment of the present application;

fig. 3 is a schematic view of a refining apparatus according to an embodiment of the present application;

fig. 4 is a schematic view of an automatic distance adjusting apparatus according to an embodiment of the present application.

FIG. 5 is a schematic view of a soymilk cooking apparatus according to an embodiment of the present application;

FIG. 6 is a flow diagram of a cyclic refining process according to an embodiment of the present application;

fig. 7 is a flow chart of the cyclic refining according to an embodiment of the present application.

Detailed Description

In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.

In order that the above objects, features and advantages of the present application can be more clearly understood, the present application will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those specifically described herein, and thus the scope of the present application is not limited by the specific embodiments disclosed below.

In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" 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 application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the interconnection of two elements or through the interaction of two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Rather, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the following embodiments, the circulation refining system and the circulation refining method are described by taking soybeans as an example, but the raw materials are not limited to soybeans. The following examples illustrate how a cyclic refining system and a cyclic refining method for whole bean refining can be achieved.

An embodiment not shown, with reference to fig. 1, the circulating refining system comprises: a pulping device 100, a pulping separation assembly 200, a pulp boiling device 500 and a pulp boiling separation assembly 600; the refining device 100 comprises a refining assembly forming a grinding gap, and a raw material inlet and a grinding slurry residue outlet which are communicated with the grinding gap; the grinding and separating assembly 200 comprises a grinding and separating unit provided with a grinding and separating assembly inlet, a grinding and pulp outlet and a grinding and slag outlet, wherein the grinding and slag outlet is communicated with the grinding and separating assembly inlet, and the grinding and slag outlet is communicated with the grinding gap; the soymilk cooking device 500 comprises a soymilk cooking main body forming a soymilk cooking cavity, a soymilk cooking residue inlet and a soymilk cooking residue outlet which are communicated with the soymilk cooking cavity, and a soymilk grinding outlet is communicated with the soymilk cooking residue inlet; and the pulp boiling separation assembly 600 comprises a pulp boiling separation unit provided with a pulp boiling separation assembly inlet, a pulp boiling outlet and a pulp boiling slag outlet, wherein the pulp boiling slag outlet is communicated with the pulp boiling separation assembly inlet, and the pulp boiling slag outlet is communicated with the grinding gap.

In order to fully grind the soybeans and ensure the taste, the grinding and separating unit comprises a grinding and separating core, and the grinding and separating core is of a 20-180 filter screen structure; the pulp boiling separation unit comprises a pulp boiling separation core which is of a 40-180 mesh filter screen structure. Referring to fig. 1, as an embodiment, the circulating refining system further includes a homogenizing device 300 and a homogenizing separator assembly. The homogenizing device 300 comprises a homogenizing main body forming a homogenizing cavity, a homogenizing pulp-slag inlet and a homogenizing pulp-slag outlet which are communicated with the homogenizing cavity, and a pulp grinding outlet is communicated with the homogenizing pulp-slag inlet; the homogenizing separation assembly 600, the homogenizing separation assembly 600 includes the homogenizing separation unit equipped with homogenizing separation assembly entrance, homogenizing slurry outlet and homogenizing slag outlet, the homogenizing slurry slag outlet is communicated with the homogenizing separation assembly entrance, the homogenizing slag outlet is communicated with the homogenizing cavity; the pulp boiling tap hole can be communicated with the grinding gap or communicated with the homogenizing cavity to form a circulating system. The process further grinds bean dregs in the soybean milk, and plays roles of emulsification and homogenization, so that the soybean milk is smoother in taste.

The homogeneous separation unit comprises a homogeneous separation core which is a filter screen structure with 20-180 meshes/nm. Preferably, the homogeneous separation unit comprises a homogeneous separation core, and the homogeneous separation core is of a sieve structure with 80-120 meshes/nm.

The circular grinding system controls the grain size of the slag entering the next unit through the mesh number of the filter cores of the grinding separation component 200, the pulp boiling separation component 600 and the homogenizing separation component 600, so that the utilization rate of raw materials and the taste of finally prepared soybean milk can be improved, and whole-bean grinding is realized.

Referring to fig. 2, a refining apparatus 100 and refining separator assembly 200 are disclosed, the refining apparatus 100 being illustrated as a soybean refiner. The refining apparatus 100 comprises a refiner body and a base 8, the refiner body is communicated with the refining separation assembly 200 through a feed pipe, and a circulation power device 14 provides power for the feed pipe. The pulping machine main body is fixed on the base 8 and comprises a pulping machine shell 5, a grinding assembly and a feeding part; the feeding part is provided with a raw material inlet, and the shell 5 of the pulp grinder is provided with a grinding pulp residue outlet. The refining separation assembly 200 comprises a refining separation unit provided with a refining separation assembly inlet, a refining outlet 21 and a refining slag outlet 24. The refining separation unit comprises a separator shell 22 and a refining separation core 23, wherein the separator shell 22 is provided with a refining separation component inlet, a refining pulp outlet 21 and a refining slag outlet 24, the refining pulp slag outlet is communicated with the refining pulp separation component inlet, the refining slag outlet 24 is communicated with a raw material inlet, and the refining pulp outlet 21 is communicated with the outside of a refining machine. The circulation power unit 14 is, but not limited to, a hydraulic pump connected between the refiner body and the reject separation unit and provides power for the ground reject mixture of the raw material passing through the grinding assembly from the ground reject outlet through the entrance of the grinding assembly into the separator housing 22. Raw materials such as soybeans enter a pulping machine shell 5 from a raw material inlet of a feeding part and are ground by a grinding assembly to generate a pulp-residue mixture, the pulp-residue mixture enters a separator shell 22 from a grinding pulp-residue outlet through a circulation power device 14 and then enters a pulping separation assembly inlet, the pulp-residue mixture is separated by a pulping separation core 23, separated pulp flows to the next processing unit from a pulping pulp outlet 21, separated slag enters the pulping machine from a pulping slag outlet 24 through a raw material inlet to be ground for two times, and the slag can be ground for multiple times through sequential circulation grinding, so that the nutritional ingredients of the slag are fully utilized.

In embodiments, the refining separation assembly 200 may be arranged inside or outside the refiner body, and the refining separation assembly 200 may be connected to the refiner body directly or via a feed conveyor 18. In a preferred embodiment, the refining separator assembly 200 is connected to the refiner housing 5 via a feed conduit 18 and is located outside the refiner housing 5 at a level above the material inlet, so that the slag in the refining separator assembly 200 can be fed by weight into the refiner housing 5 from the material inlet without the need for additional power.

The feeding portion is arranged in the top direction of the pulping machine shell 5, a raw material inlet is formed in the top of the feeding portion, and a grinding pulp residue outlet is formed in the bottom of the pulping machine shell 5. The preferred feed section comprises a feed hopper 1 and a feed channel 19, the feed hopper 1 being arranged above the top wall of the refiner housing 5, the opening of the feed hopper 1, i.e. the raw material inlet, being arranged at the top of the feed hopper 1, the bottom side wall of the refiner housing 5 being provided with a ground pulp outlet. The bottom wall of the preferred refiner housing 5 is inclined downwardly in the direction of the mill sludge outlet to better funnel the slurry-sludge mixture to the mill sludge outlet.

The top wall of the separator shell 22 is provided with a refining separation component inlet, the bottom wall of the separator shell 22 is provided with a refining slurry outlet 21, the side wall of the separator shell 22 is provided with a refining slag outlet 24, the middle part of the separator shell 22 is provided with a refining separation core 23, and the refining slag outlet 24 is not lower than the top of at least part of the refining separation core 23. The slag separated by the refining separation core 23 is trapped on the surface of the refining separation core 23, so that the position of the refining slag outlet 24 is not lower than the top of at least part of the refining separation core 23, so that the slag can enter the raw material inlet from the refining slag outlet 24 without external power. The refining separation core 23 is selected from a screen structure, a membrane or other mechanisms that can achieve solid-liquid separation of the pulp-residue mixture. As an embodiment, the refining separation assembly 200 is a vibrating screen, i.e. a vibrating screen structure is used to separate the pulp-residue mixture, and the structure of the specific vibrating screen is known in the art.

Referring to fig. 2, in one embodiment, the refining separation core 23 includes a filtration layer, which may be, but is not limited to, a screen structure, and a filtration layer is disposed at a substantially central location within the separator housing 22, and the filtration layer may be fixedly attached, such as welded, within the separator housing 22 or the separator housing 22 may be removably attached to the filtration layer; preferably, the separator housing 22 is removably attached to the filter layer. The refining slag outlet 24 is provided at the upper portion of the filter layer, and preferably the refining slag outlet 24 is provided near the filter layer, so that the slag can sufficiently flow into the raw material inlet. Separator housing 22's roof sets up and grinds thick liquid separator component entry and diapire and sets up the separator outlet, and the filter layer corresponds the separator housing 22's of height diameter the biggest, and preferred separator housing 22 is the structure of symmetrical trapezoidal combination, and this grinds thick liquid separator component's structure setting mode, both can maximize filter area, and can let the exhaust power of filterable sediment material the biggest, and can drain the thick liquid to the better collection thick liquid of grinding thick liquid outlet 21.

The filter layer is selected from a planar structure or a corrugated structure, preferably a planar structure. The filter layer may be arranged horizontally in the separator housing 22 or obliquely in the separator housing 22, preferably obliquely downwards towards the refining outlet 24 in the separator housing 22, for better transport of the slag to the refining outlet 24.

Referring to fig. 3, in another embodiment, the refining separation assembly housing 22 is cylindrical, the refining separation core sleeved in the refining separation assembly housing 22 is a cylindrical filter cartridge, a spiral feeding portion 20 extending along the axial direction of the filter cartridge is arranged in the filter cartridge, an outer refining cavity is formed by the inner wall of the separator housing 22 and the outer wall of the filter cartridge, an inner slag discharging cavity is formed by the inner wall of the filter cartridge and the spiral feeding portion 20, the inner slag discharging cavity is a spiral channel, the inlet of the refining separation assembly is communicated with the spiral channel, and the refining slag outlet 24 is arranged on the end surface of the filter cartridge near one end of the refiner housing 5. The spiral material conveying part 20 comprises a spiral shaft and spiral blades arranged on the spiral shaft, and the extending ends of the spiral blades are contacted with the inner wall of the filter cartridge.

The pulp-slag mixture directly enters the spiral channel from the inlet of the pulp-grinding separation component, and then the pulp flows to the pulp outlet cavity through the wall part of the filter cylinder and is discharged and collected from the pulp-grinding outlet 21 arranged on the bottom wall of the separator shell 22; the slag in the spiral channel is pushed by the pulp-slag mixture entering from the inlet of the refining separation assembly to be conveyed to the refining slag outlet 24 along the channel, and the spiral blade in the conveying process in the spiral channel can discharge the pulp from the spiral channel better in resistance to the pulp-slag mixture.

To further facilitate the separation of the pulp-slag mixture, the refining separation assembly inlet is arranged at the top right-hand side of the separator housing 22 and the refining outlet 21 is arranged at the bottom left-hand side of the separator housing 22.

In the preferred embodiment, the refining apparatus 100 further comprises a screw drive 26 such as a motor having a motor shaft with a drive wheel for driving the motor shaft to rotate and a screw drive unit such as a drive gear for driving the screw shaft to rotate, the screw shaft extending out of the separator housing 22 and being connected to a driven wheel which is driven by the drive wheel to rotate so that the screw feed 20 rotates within the cartridge. This arrangement allows for a faster separation of the pulp and slag mixture within the refining separator assembly 200 and a more complete separation of the pulp and slag mixture. The device for rotating the screw feeding portion 20 is not limited to this embodiment, and may be any device as long as the rotation of the screw feeding portion 20 is achieved.

Referring to fig. 3, the axis of the refining separation assembly 200 is arranged in a horizontal direction or one end extending in the direction of the refining slag outlet 24 is arranged inclined downward with respect to the horizontal direction. To facilitate the discharge of slag, it is preferred that the directionally extending end of the refining slag outlet 24 of the slurry separation assembly is arranged inclined downwards with respect to the horizontal.

The first and second abrasive discs of the grinding assembly may each rotate or one of them may rotate, one of which is illustrated in the embodiments described below.

As an embodiment, the grinding assembly comprises a fixed grinding disc 6, a movable grinding disc 7, a first linkage shaft 9, a conveying belt and a motor. The fixed grinding disc 6 and the movable grinding disc 7 are oppositely arranged to form a grinding gap. The fixed grinding disc 6 is fixed in the pulping machine shell 5, the movable grinding disc 7 is connected with a first linkage shaft 9, the first linkage shaft 9 extends out of the pulping machine to be fixed, and the bottom of the first linkage shaft is connected with a rotary driver 12 such as a motor through a conveyor belt 11.

In order to better guide the raw materials to the grinding position, the feeding part comprises a feeding hopper 1 and a feeding channel 19, the feeding hopper is provided with a feeding port, and the feeding channel 19 is communicated with the grinding gap. Preferably, the wall part of the hopper 1 connected to the charging channel 19 is provided with an arc-shaped face flow guide plate 4 which is concave towards the direction far away from the axis of the hopper 1.

In order to reduce the gap of the grinding gap and to allow raw material to enter the grinding gap, a rotary shredding assembly is provided in the charging section at any position of the passage from the raw material inlet to the grinding gap. The rotating shredding assembly preferably comprises a rotating shaft 10 and a rotating bladed knife 3 fixed to the rotating shaft, the bladed knife 3 extending in the radial direction of the charging section, the rotating shaft 10 exiting the refiner housing 5 being connected to a rotary drive 12 by a conveyor belt 11. It is more preferred to locate the selective shredding assembly at the bottom of the hopper 1.

For better feeding and to prevent blockage of the passage into the refiner housing 5. The feeding part comprises a feeding hopper 1 arranged outside the refiner casing 5, the inner wall of the feeding hopper 1 comprises a drainage wall 2, and the surface of the drainage wall 2 is provided with an inward bulge.

In order to prevent the raw material added into the feeding hopper 1 from popping out of the feeding hopper 1, a hopper cover 25 is arranged on the feeding hopper 1, and the hopper cover 25 is provided with an opening structure. Preferably, an opening structure is arranged at the top of the hopper cover 25. The preferred hopper cover 25 has a reduced inside diameter from bottom to top that remains unchanged. The mechanism of the hopper cover 25 may be a circular or square structure. The opening structure of the hopper cover 25 is not corresponding to the opening of the feed hopper 1 communicated to the feed channel.

Referring to fig. 4, since the particle size in the polishing gap is gradually decreased during the polishing of the raw material, the distance of the polishing gap needs to be adjusted during the polishing in order to allow the raw material to enter the polishing gap at the beginning and to sufficiently polish the raw material at the later stage. In one embodiment, the grinding assembly is provided with an automatic distance adjusting device, the automatic distance adjusting device comprises a distance measuring sensor 16, a controller 17 and a moving mechanism 15, the moving mechanism 15 can move the movable grinding disc 7, the controller 17 is respectively connected with the distance measuring sensor 16 and the moving mechanism 15 through signals, and the moving mechanism 15 moves the movable grinding disc 7 to adjust the grinding gap distance.

As an implementation mode, the moving mechanism 15 comprises a torsion motor 28, a grinding disc linkage rod 13 and a distance adjusting transmission part, the grinding disc linkage rod 13 supports the moving grinding disc 7, and the torsion motor 28 moves the grinding disc 7 linkage rod through the distance adjusting transmission part so as to drive the moving grinding disc 7. The distance sensor can be an infrared sensor, the infrared sensor detects the distance of the grinding gap between the movable grinding disc 7 and the static grinding disc and then transmits the distance to the controller 17, and the controller 17 controls the moving mechanism 15 to lift the movable grinding disc 7 according to the stored target distance of the grinding gap. The controller 17 comprises a touch screen display and the pitch drive comprises a lift wire 30 connected to a torque motor 28, a shaft 29 fixed to the refiner housing 5 and a lifting device 27. The torque motor 28 drives a lifting wire 30 supported by a rotating shaft 29 to pull the lifting device so as to lift the grinding disc linkage rod 13 and the movable grinding disc 7.

As an implementation mode, two lifting devices 27 are symmetrically installed on the inner side of the refiner casing 5, two infrared distance measuring sensors are symmetrically installed on the outer side of the refiner casing 5, a torsion motor 28 and a touch display screen are sequentially installed at the upper end of the infrared distance measuring sensor on the outer wall of the right side of the refiner casing 5, and the torsion motor 28 and the lifting devices 27 are connected by a lifting wire 30; a rotating shaft 29 is arranged at the top end of the lifting device 27, and a lifting wire 30 is directly lapped on the rotating shaft 29; a fixed grinding disc 6 and a movable grinding disc 7 are arranged on the inner side of the pulping machine shell 5, the fixed grinding disc 6 is directly arranged on the inner wall 19 of the shell of the pulping machine shell 5, and the movable grinding disc 7 is arranged on a first linkage shaft 9; the movable grinding disc 7 and the lifting device 27 are connected through a grinding disc linkage rod 13.

As an embodiment not shown, the moving mechanism 15 comprises a torque motor 28, a millstone linkage 13 and a distance adjusting transmission part, wherein the distance adjusting transmission part comprises a lifting wire 30 connected with the torque motor 28 and a rotating shaft 29 fixed on the refiner casing 5. The grinding disc linkage rod 13 is directly connected with the lifting wire 30; the grinding disc linkage rod 13 is connected with the first linkage shaft 9 in a clamping sleeve mode, the grinding disc linkage rod 13 can lift the first linkage shaft 9, and the grinding disc linkage rod 13 does not rotate along with the first linkage shaft 9.

In an embodiment not shown, the moving mechanism 15 is a lifting mechanism or a lifting mechanism connected to the movable grinding disc 7, and the movable grinding disc 7 is rotated by a first linkage shaft.

A first inclined plane is arranged at the lower side of the fixed grinding disc 7, a second inclined plane is arranged at the upper end of the movable grinding disc 8, and a grinding gap is arranged in a gap between the first inclined plane and the second inclined plane.

The structure of the refining separator assembly 200 is equally applicable to the cooking separator assembly 600 and the homogenizing separator assembly 600, except that the mesh number of the separating cores is different. The connection of the refining separator assembly 200 to the refining apparatus 100 is suitable for the connection of the boiling separator assembly 600 to the boiling apparatus 500 and the connection of the homogenizing separator assembly 600 to the homogenizing apparatus 300.

The homogenizer 300 may be an atmospheric homogenizer or a high-pressure homogenizer, and is preferably a homogenizer having a pressure of 30 to 55 MPa.

Referring to fig. 6, the soymilk cooking apparatus comprises a viewing port 501, a tank 502, a water level sensor 503, an adjustable display screen 504, a temperature sensor 505, a soymilk cooking residue outlet 506, a soymilk cooking and conveying pipe 507, a soymilk cooking and separating component inlet 508, a soymilk cooking and separating unit 509, a soymilk cooking and deslagging port 510, a soymilk cooking and discharging port 511, a tank bracket 512, a waste liquid port 513, a steam discharging port 514, a steam pipeline 515, a steam pipeline interface 516, a soymilk cooking and conveying pipe 517, a soymilk cooking and conveying pipe external interface 518, a spray head 519, a pressure relief valve 520 and a spray head external interface 521.

The top end of the tank body 502 is provided with an observation port 501 with the diameter of 40-45cm, so that an operator can conveniently observe the inside of the tank body 502 during boiling or cleaning, and meanwhile, a maintainer can conveniently overhaul the devices such as the spray head 519, the water level sensor 503, the temperature sensor 505 and the like in the tank body.

The inner wall of the tank body 502 is respectively provided with a water level sensor 503 and a temperature sensor 505, and the outer wall of the tank body 1 between the water level sensor 503 and the temperature sensor 505 is provided with an adjustable display screen 504. The bottom of the tank body 1 is provided with a pulp boiling and residue outlet 506, and the outer side of the pulp boiling and residue outlet 506 is directly connected with a pulp boiling and separating unit 509 through a pulp boiling and conveying pipe 507.

The boil-off separation unit 509 is provided with a boil-off separation assembly inlet 508, a boil slurry tap 510 and a boil slurry outlet 511. The cooking liquor separation module inlet 508 and the cooking liquor delivery pipe 507 may be welded directly, but are not limited to this connection.

The bottom of the tank 502 is provided with 3 tank supports 512 which are uniformly distributed; a waste liquid port 513 is arranged at the center of the bottom end of the tank 502. The lower end of the tank 502 is provided with a steam pipeline 515, and one end of the steam pipeline 515 in the tank 502 is directly welded with the inner wall of the tank 502 so as to play a role in supporting the steam pipeline 515 in the tank 502. Steam pipe 515 extends through canister 502 on the right side to form a steam pipe interface 516 at the outer wall of canister 502. The steam pipe 515 is provided with the steam outlet 514 inside the tank 1, and the number thereof is not limited to 6, for example. The upper end of the tank body 502 is provided with a pulp boiling and conveying pipe 517, the pulp boiling and conveying pipe 517 is divided into a transverse pipeline and a vertical pipeline, wherein one end of the vertical pipeline inside the tank body 502 directly extends to the upper side of the steam pipeline 515, and the transverse pipeline penetrates through the tank body 502 to form an outer interface 518 of the pulp boiling and conveying pipe on the outer wall. The steam pipeline 515 is uniformly distributed with 6 steam outlets 514, so as to achieve the purpose of uniformly heating and multipoint heating the soybean milk in the tank body 502, further shorten the soybean milk boiling time, and prevent the phenomenon that the soybean milk is scabbed and stuck on the outer wall of the steam pipeline 515 due to protein denaturation caused by long-time high-temperature heating of partial soybean milk caused by overlong soybean milk boiling time.

The center position and the right side of the top end of the tank body 502 are respectively provided with a spray joint outer interface 521 and a pressure release valve 520. The shower head external interface 521 communicates with a shower head 519 on the inside of the top of the tank.

A spray head 519 is arranged at the center of the top end of the tank body 502. The water flow pressure of the spray head 519 is controllable, and when a large amount of foam exists in the soybean milk in the tank 502, defoaming can be carried out in a low-pressure spraying mode; when the pulp cooking equipment is cleaned after the pulp cooking is finished, residues and waste liquid on the inner wall of the tank body 502 can be flushed away in a high-pressure spraying mode.

The pulp boiling residue outlet 506 is provided with a one-way numerical control valve, and the control mode of the one-way numerical control valve is that the one-way numerical control valve is automatically opened or closed by receiving the temperature information transmitted by the temperature sensor 505 and the time information regulated by the numerical control display screen 4. The purpose of this design is to prevent under-cooked soymilk from being pressed out through the boiled pulp residue outlet 506 due to the increase of the pressure in the tank 2.

A detachable one-way valve is arranged at the position of the external interface 518 of the soybean milk boiling and delivering pipe, so that soybean milk backflow caused by pressure increase in the tank body 502 is prevented, and pollutants which can be brought into the soybean milk boiling tank when the soybean milk after backflow enters the soybean milk boiling tank again are avoided.

Referring to fig. 7, the circular refining method includes:

1) soaking the dry raw materials in water to obtain wet raw materials;

2) grinding materials comprising wet raw materials and water by a grinding device to prepare a grinding slurry-slag mixture, separating the grinding slurry-slag mixture by a grinding slurry separation component to prepare grinding slag and grinding slurry, and continuously feeding the grinding slag into the grinding device for grinding;

3) the ground pulp is boiled by the pulp boiling device to prepare a pulp boiling and pulp residue mixture, the pulp boiling and pulp residue mixture is separated by the pulp boiling separation component to prepare pulp boiling slag and pulp boiling pulp, and the pulp boiling slag enters the pulp grinding device for grinding;

4) and homogenizing, filling and sterilizing the boiled soybean milk to obtain the finished soybean milk.

Referring to fig. 7, the circular refining method includes:

A. soaking the dry raw materials in water to obtain wet raw materials;

B. grinding materials comprising wet raw materials and water by a grinding device to obtain a grinding slurry-slag mixture, separating the grinding slurry-slag mixture by a grinding slurry separation component to obtain grinding slag and grinding slurry, and continuously feeding the grinding slag into the grinding device for grinding;

C. finely grinding the grinding slurry by a homogenizing device to obtain a homogeneous slurry-slag mixture, separating the homogeneous slurry-slag mixture by a homogeneous separation assembly 600 to obtain homogeneous slag and homogeneous slurry, and continuously finely grinding the homogeneous slag in the homogenizing device;

D. the homogenized pulp is boiled by the pulp boiling device to prepare a pulp boiling and pulp residue mixture, the pulp boiling and pulp residue mixture is separated by the pulp boiling and separating component to prepare pulp boiling slag materials and pulp boiling pulp, and the pulp boiling slag materials enter the pulp grinding device or the homogenizing device to be continuously ground;

E. and homogenizing, filling and sterilizing the boiled soybean milk to obtain the finished soybean milk.

In a specific embodiment, the method of cyclic refining comprises: soybean → roguing → washing → soaking → washing → jordaning → fine jordaning → boiling → soybean milk → compounding → filling → autoclaving → boxing and warehousing.

In one embodiment, the method for refining the pulp comprises the following steps:

step 1, impurity removal: selecting 50kg of soybean, and removing impurities such as soil, mud, iron, plastics and the like in the soybean raw material;

step 2, cleaning: washing soybean to clean;

step 3, bean soaking: soaking soybean raw materials in water for 8 hours, and stopping soaking when the water content of wet beans meets the weight ratio of the wet beans to dry beans before soaking of 2:1 to obtain 100kg of wet beans;

step 4, washing the beans: washing the soaked soybean raw material;

step 5, grinding the pulp: grinding the soaked soybeans, the soybeans and water into pulp in a pulping device according to the ratio of 1:7, and continuously feeding the slag materials after passing through the pulp grinding separation component into the pulping device for grinding to obtain 900kg of soybean milk;

step 6, fine grinding: the soybean milk filtered by the grinding and separating component enters a homogenizing device for fine grinding, and then the slag separated by the homogenizing and separating component continuously enters the homogenizing device for homogenizing, so that the soybean dregs in the soybean milk are further ground in the process, and the emulsifying effect and the homogenizing effect are achieved, so that the soybean milk is smoother in taste;

step 7, boiling the pulp: feeding the soybean milk filtered by the homogenizing separation assembly into a soybean milk boiling device for boiling, feeding the soybean milk separated by the soybean milk boiling separation assembly into a step 8, and circularly feeding the slag separated by the soybean milk boiling separation assembly into a pulping device or a homogenizer for continuous grinding;

step 8, homogenizing the ingredients: adding ingredients such as honey, and homogenizing under high pressure;

step 9, filling: under the condition of nitrogen, the soybean milk is hermetically filled in a self-supporting bag, so that the oxidation of the soybean milk in the filling process is reduced;

step 10, high-temperature sterilization: sterilizing the packaged soybean milk at 138 deg.C for 8-10 min;

step 11, boxing and warehousing: and (5) after cooling and washing, the product can be packed into a box and put in storage.

The embodiments in the present description are described in a progressive manner, and similar parts between the embodiments are referred to each other, and each embodiment focuses on different points from other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.