CN113080306A - Pipeline washing system of wheat protein - Google Patents

Pipeline washing system of wheat protein Download PDF

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Publication number
CN113080306A
CN113080306A CN202110504446.8A CN202110504446A CN113080306A CN 113080306 A CN113080306 A CN 113080306A CN 202110504446 A CN202110504446 A CN 202110504446A CN 113080306 A CN113080306 A CN 113080306A
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China
Prior art keywords
washing
water
pipeline
gluten
countercurrent
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CN202110504446.8A
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Chinese (zh)
Inventor
郑坤
马斐
陈红杰
郑学玲
李利民
赵波
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Henan University of Technology
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Henan University of Technology
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Priority to CN202110504446.8A priority Critical patent/CN113080306A/en
Publication of CN113080306A publication Critical patent/CN113080306A/en
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    • AHUMAN NECESSITIES
    • A23FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23JPROTEIN COMPOSITIONS FOR FOODSTUFFS; WORKING-UP PROTEINS FOR FOODSTUFFS; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
    • A23J1/00Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites
    • A23J1/12Obtaining protein compositions for foodstuffs; Bulk opening of eggs and separation of yolks from whites from cereals, wheat, bran, or molasses

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Cereal-Derived Products (AREA)

Abstract

The invention discloses a pipeline washing system for wheat protein, which comprises a multi-stage washing device and a countercurrent washing system, wherein the washing device comprises a buffer hopper, a wheat protein delivery pump, a pipeline mixer and a draining device at each stage, the countercurrent washing system is used for washing the wheat protein at the previous stage by adopting the washing water at the next stage, and the washing water outlet of the draining device in the washing device is connected with the countercurrent washing system. The method shortens the process flow of the traditional gluten washing, reduces the water consumption for washing, greatly improves the concentration of washing water after the gluten is washed for many times, reduces the treatment capacity of the starch concentration process, improves the washing effect of the gluten, and finally ensures the protein content of the final product vital gluten.

Description

Pipeline washing system of wheat protein
Technical Field
The invention relates to the technical field of wheat starch processing, in particular to a pipeline washing system for wheat protein.
Background
The wheat gluten is also called active gluten flour and wheat gluten protein, is light yellow natural protein extracted from wheat (flour), has protein content as high as 75-85%, is rich in nutrients, and has viscosity, elasticity, extensibility, film forming property and fat absorbing property. The wheat gluten is an excellent dough modifier, is widely used in the production of bread, noodles and instant noodles, can be used as a water-retaining agent in meat products, and is also a basic raw material of high-grade aquatic feeds. At present, wheat gluten is also used as an efficient green flour gluten fortifier in China, and is used for producing high gluten flour and special flour for bread, and the addition amount is not limited. Wheat gluten is also an effective method for increasing the vegetable protein content of food products.
In the field of deep processing of wheat, a wet processing technology is adopted for producing wheat gluten, wheat gluten is easy to aggregate when meeting water to form a three-dimensional network structure, and a large amount of wheat starch granules are wrapped inside the three-dimensional network structure; the purpose of gluten washing is to separate the starch inside the gluten, thereby improving the purity of the vital gluten.
At present, gluten washing only adopts the process of drenching and waterlogging caused by excessive rainfall combination, and the conglobation nature of gluten has decided that surface starch easily gets rid of, and the starch of inside parcel is still can remain in the gluten, in order to improve the quality of wheat gluten, adopts a large amount of water to wash usually, and the effect is relatively poor on the one hand, and on the other hand, the starch thick liquids concentration that washes out is low, has increased the refined burden of follow-up starch, has also increased the handling capacity of sewage.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a pipeline washing system for wheat protein.
The purpose of the invention is realized by the following technical scheme:
a pipeline washing system for wheat protein comprises a washing device and a countercurrent washing system, wherein the washing device is arranged in a multi-stage mode and comprises a first washing device, a second washing device and a third washing device, the countercurrent washing system is used for washing the wheat protein of the previous stage by using the washing water of the next stage, the countercurrent washing system is arranged among the first washing device, the second washing device and the third washing device, and a washing water outlet of a draining device in the washing device is connected with the countercurrent washing system.
According to a further technical scheme, the first washing device comprises a first buffer hopper, a first conveying pump, a first pipeline mixer and a first draining device, the first buffer hopper is installed on the upper portion of the first conveying pump, a discharge port of the first conveying pump is connected with the first pipeline mixer, a clean water pipe and a process water pipe are further arranged on the first pipeline mixer, the clean water pipe and the process water pipe are communicated with the first pipeline mixer, and the discharge port of the first pipeline mixer is communicated with the first draining device.
A further technical scheme is that a water filling port is arranged on the first buffer hopper, the liquid source of the water filling port comprises clear water, process water and backflow washing water, and the total water adding amount of the water filling port is smaller than or equal to 1-1.2 times of the volume flow of gluten.
According to a further technical scheme, the pipeline mixer is connected with the delivery pump through a flange, the distance between the inlet end of the pipeline mixer and the outlet end of the delivery pump is larger than 30cm, and the delivery pump adopts a single-stage screw pump.
The further technical proposal is that at least one pipeline mixer is arranged between the delivery pump and the draining device.
A further technical solution is that the pipeline mixer blades are in the form of: the helical blades are twisted by 180 degrees at the left and right, and the adjacent helical blades are welded by 90 degrees in a crossed manner.
A further technical scheme is that the countercurrent washing system comprises an countercurrent buffer hopper and an countercurrent delivery pump, the countercurrent buffer hopper is arranged at the upper part of the countercurrent delivery pump, the countercurrent buffer hopper is connected with the washing water outlet, and the countercurrent delivery pump is connected with the previous countercurrent buffer hopper.
A further technical scheme is, be provided with material feed inlet, spray water import, gluten export and washing water export on the drain device, the discharge gate of pipeline mixer with material feed inlet intercommunication, gluten export and next buffer memory fill intercommunication, the washing water export with countercurrent washing system intercommunication, spray water import is linked together with clear water and process water pipeline.
The further technical scheme is that the first washing device, the second washing device and the third washing device are identical in structure, and at least two washing devices are arranged.
The further technical scheme is that the installation stage number of the washing device is adjusted according to the concentration of the washing water of the last stage of the draining device, and when the concentration of the washing water is less than 1%, the washing is finished.
The invention has the following advantages:
the method shortens the process flow of the traditional gluten washing, reduces the water consumption for washing, greatly improves the concentration of washing water after the gluten is washed for many times, reduces the treatment capacity of the starch concentration process, improves the washing effect of the gluten, and finally ensures the protein content of the final product vital gluten.
Drawings
FIG. 1 is a schematic view of the structure of a washing system according to the present invention
FIG. 2 is a schematic view of a line mixer
In the figure: 1 a-a first buffer storage hopper, 2 a-a first delivery pump, 3 a-a first pipeline mixer, 4 a-a first water injection port, 5 a-a first feed inlet, 6 a-a first-level spray water inlet, 7 a-a first washing water outlet, 8 a-gluten discharge port, 9 a-a first starch buffer storage hopper, 10a-B starch slurry delivery pump, 11 a-a first-level draining device, 1B-a second buffer storage hopper, 2B-a second delivery pump, 3B-a second pipeline mixer, 4B-a second water injection port, 5B-a second feed inlet, 6B-a second-level spray water inlet, 7B-a second washing water outlet, 8B-a second-level gluten discharge port, 9B-a first countercurrent buffer storage hopper, 10B-a first countercurrent delivery pump, 11B-a second-level draining device, 1 c-a third buffer storage hopper, 2 c-a third delivery pump, 3 c-a third pipeline mixer, 4 c-a third water injection port, 5 c-a third feed inlet, 6 c-a third-level spray water inlet, 7 c-a third washing water outlet, 8 c-a third surface rib discharge port, 9 c-a third countercurrent buffer storage hopper, 10 c-a third countercurrent delivery pump and 11 c-a third-level draining device.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that the products of the present invention conventionally lay out when in use, or orientations or positional relationships that are conventionally understood by those skilled in the art, which are merely for convenience of describing the present invention and simplifying the 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. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figure 1, the pipeline washing system for wheat protein comprises a multi-stage washing device and a countercurrent washing system, wherein the washing device comprises a first washing device, a second washing device and a third washing device, the countercurrent washing system adopts the washing water of the next stage to wash the gluten of the previous stage, and the washing water outlet of the draining device in the washing device is connected with the countercurrent washing system.
In the embodiment, the system adopts three or more than three washing devices to wash gluten, wherein the last washing device adopts clean water to wash gluten;
the first washing device comprises a first buffer storage bucket 1a, a first conveying pump 2a, a first pipeline mixer 3a and a first draining device, wherein the first buffer storage bucket 1a is installed at the upper part of the first conveying pump 2a, a discharge port of the first conveying pump 2a is connected with the first pipeline mixer 3a, a clean water pipe and a process water pipe are further arranged on the first pipeline mixer 3a, the clean water pipe and the process water pipe are both communicated with the first pipeline mixer 3a, the clean water pipe and the process water pipe provide a water source for washing, the discharge port of the first pipeline mixer 3a is communicated with the first draining device, gluten phases obtained in a three-phase horizontal centrifuge are used for placing gluten and water into the first buffer storage bucket 1a of the first washing device, and water (containing backflow washing water) which is 1-1.2 times of the materials is injected into the first buffer storage bucket 1a, properly diluting the gluten phase; gluten phase first delivery pump 2a gets into first pipeline mixer 3a, under the effect of first pipeline mixer 3a blade, gluten and water constantly take place relative motion, make starch granule get into the aqueous phase by the gluten phase, then gluten after the washing gets into one-level waterlogging caused by excessive rainfall device 11a, through one-level waterlogging caused by excessive rainfall device 11a with gluten and starch thick liquid separation, wherein, be provided with the flushing head on one-level waterlogging caused by excessive rainfall device 11a, wash the starch on gluten surface through the showering, realize the preliminary washing of gluten;
the separated gluten enters a second buffer storage hopper 1b, and the separated starch slurry enters a buffer storage hopper 9a through a first washing water outlet 7a and enters a starch refining process through a starch conveying pump 10 a. The second conveying pump 2b conveys the gluten into a secondary draining device 11 b; the second conveying pump 2b is connected with a second pipeline mixer 3b, a second water injection port 4b is connected to the second pipeline mixer 3b, the second water injection port 4b is connected with a process water pipe and a clean water pipe, 0.5-2% of process water or clean water is fed into the second pipeline mixer 3b through the second water injection port 4b, mixed gluten is fed into a second-stage draining device 11b through mixed washing of the second pipeline mixer 3b, then the mixed gluten enters the second draining device from a feed port 5b for liquid-solid separation again, secondary washing of the gluten is achieved, sampling detection is carried out on the washed liquid, when the concentration of solid matters is less than 1%, the mixed gluten is output from a discharge port of the second-stage tendon and enters air flow drying, and when the concentration of washing water is greater than 1%, next-stage washing is continued;
the separated slurry is discharged from a second washing water outlet 7b, the slurry is sent into a first buffer hopper 1a through a second countercurrent buffer hopper 9b and a second countercurrent delivery pump 10b to be recycled, the washing water consumption is reduced, the separated gluten enters a third buffer hopper 1c through a second gluten discharge port 8b, then is conveyed and mixed through a third delivery pump 2c and a third pipeline mixer 3c, a third water injection port 4c is arranged on the third mixer, the third water injection port 4c has the same functions as the first water injection port 4a and the second water injection port 4b, the gluten phase after mixed washing enters a third-level draining device 11c, then is sprayed and separated in the third-level draining device 11c, the washing water enters the third countercurrent buffer hopper 9c and the third countercurrent delivery pump 10c through a third washing water outlet 7c, and the slurry is delivered into the second countercurrent buffer hopper 1b through the third countercurrent buffer hopper 9c and the third countercurrent delivery pump 10c, and (4) recycling, wherein the solid content in the final washing water is less than 1%, and the gluten is output from a third gluten discharge hole 8c for air flow drying.
In this embodiment, the countercurrent washing system includes buffer storage fill against current, adverse current delivery pump and pipeline, the buffer storage fill against current sets up the upper portion of delivery pump against current, and buffer storage fill against current with washing water outlet connection, the delivery pump is connected against current last buffer storage fill is fought, carries out cyclic utilization to the washing water, saves the water resource.
In this embodiment, be provided with material feed inlet, gluten export and washing water export on the drain device, the discharge gate of line mixer with material feed inlet intercommunication, the gluten export is fought the intercommunication with next buffer, the washing water export with countercurrent washing system intercommunication.
In this embodiment, a water injection port is disposed above the first buffer hopper 1a, and the water injection amount of the water injection port is less than or equal to 1.2 times of the volume flow of the material (including the washing water flowing back).
In this embodiment, the line mixer with the delivery pump adopts flange joint, the line mixer entry end with delivery pump exit end distance is greater than 30cm, just the delivery pump adopts single-stage screw pump, the line mixer can carry out multistage series connection according to the washing effect, can carry out horizontal installation or vertical installation according to the pipeline requirement.
In the embodiment, at least one pipeline mixer is arranged between the delivery pump and the draining device; simultaneously also can set up a plurality ofly, mix many times, increase gluten mixing degree.
In this embodiment, the first washing device, the second washing device and the third washing device have the same structure.
In this embodiment, the number of installation stages of the washing device is adjusted according to the concentration of the washing water in the last stage of the draining device, the concentration of the washing water is measured by a sampling and measuring method, and when the concentration of the washing water is less than 1%, the washing is finished.
In this embodiment, the first draining device is provided with a first-stage spray water inlet 6a, the second draining device is provided with a second-stage spray water inlet 6b, the third draining device is provided with a third-stage spray water inlet 6c, and the spray water inlets 6a, 6b, and 6c are all supplied with water by spray heads arranged in the cleaning screen.
In this embodiment, the blade form of the pipeline mixer is: left and right twist 180 helical blade, just adjacent helical blade alternately 90 welds, the line mixer contain 6-10 mixing unit, the gluten and the mutual cross-flow of water of running in-process conglomeration shunt, swirl counter-rotation and constantly alternately flow simultaneously, mixing efficiency can reach more than 95%, makes the inside starch of gluten shift to water phase, realizes the deep washing of gluten.
The following table is a comparison graph of the washing effect of the system and the washing effect of the traditional process:
parameter(s) Gluten washing system Traditional washing
Gluten yield/% 11.5-15.5 11.5-15.5
Gluten protein content/%) 82-85 82-83.5
Water consumption/t 0.8-1.2 1.4-1.6
According to the table shown in the above, the gluten produced by the system has higher protein content than the traditional process, the water consumption is less than the traditional process, the water consumption for gluten washing is reduced, and the protein content of the gluten is improved to improve the product quality.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims (10)

1. A pipeline washing system of wheat protein is characterized in that: including washing device and washing system against current, the washing device is the multistage setting, including first washing device, second washing device and third washing device, the washing system against current is that the washing water that adopts next grade washes the gluten of last grade, the washing system against current with first washing device, second washing device and third washing device are connected, the washing water exit linkage of waterlogging caused by excessive rainfall device among the washing device the washing system against current.
2. The wheat protein pipeline washing system of claim 1, wherein: the first washing device comprises a first buffer hopper, a first conveying pump, a first pipeline mixer and a first draining device, the first buffer hopper is installed on the upper portion of the first conveying pump, a discharge port of the first conveying pump is connected with the first pipeline mixer, a clean water pipe and a process water pipe are further arranged on the first pipeline mixer, the clean water pipe and the process water pipe are communicated with the first pipeline mixer, and the discharge port of the first pipeline mixer is communicated with the first draining device.
3. A wheat protein pipeline washing system as claimed in claim 2 wherein: be provided with the water filling port on the first buffer memory fill, the liquid source of water filling port includes clear water, process water and backward flow washing water, the water filling port adds the water yield and is less than or equal to 1 ~ 1.2 times of gluten volume flow totally.
4. A wheat protein pipeline washing system as claimed in claim 2 wherein: the pipeline mixer is connected with the delivery pump through a flange, the distance between the inlet end of the pipeline mixer and the outlet end of the delivery pump is larger than 30cm, and the delivery pump adopts a single-stage screw pump.
5. A wheat protein pipeline washing system as claimed in claim 2 wherein: at least one pipeline mixer is arranged between the delivery pump and the draining device.
6. A wheat protein pipeline washing system as claimed in claim 2 wherein: the pipeline mixer blade form is: the helical blades are twisted by 180 degrees at the left and right, and the adjacent helical blades are welded by 90 degrees in a crossed manner.
7. The wheat protein pipeline washing system of claim 1, wherein: the countercurrent washing system comprises an countercurrent buffer hopper and an countercurrent delivery pump, wherein the countercurrent buffer hopper is arranged at the upper part of the countercurrent delivery pump, the countercurrent buffer hopper is connected with the washing water outlet, and the countercurrent delivery pump is connected with the previous countercurrent buffer hopper.
8. A wheat protein pipeline washing system as claimed in claim 2 wherein: be provided with material feed inlet, spray water import, gluten export and washing water export on the drain device, the discharge gate of pipeline mixer with material feed inlet intercommunication, gluten export and next buffer memory fill intercommunication, the washing water export with countercurrent washing system intercommunication, spray water import is linked together with clear water and process water pipeline.
9. The wheat protein pipeline washing system of claim 1, wherein: the first washing device, the second washing device and the third washing device are identical in structure, and at least two washing devices are arranged.
10. The wheat protein pipeline washing system of claim 1, wherein: and the installation stage number of the washing device is adjusted according to the concentration of the washing water of the last stage of the draining device, and when the concentration of the washing water is less than 1%, the washing is finished.
CN202110504446.8A 2021-05-10 2021-05-10 Pipeline washing system of wheat protein Pending CN113080306A (en)

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Application Number Priority Date Filing Date Title
CN202110504446.8A CN113080306A (en) 2021-05-10 2021-05-10 Pipeline washing system of wheat protein

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Application Number Priority Date Filing Date Title
CN202110504446.8A CN113080306A (en) 2021-05-10 2021-05-10 Pipeline washing system of wheat protein

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CN113080306A true CN113080306A (en) 2021-07-09

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506485A (en) * 1964-08-04 1970-04-14 Erik Plaven Apparatus for extracting starch and gluten from a dough of wheat flour
US4283232A (en) * 1978-05-24 1981-08-11 Wessanen Nederland B.V. Process and apparatus for use in treating materials in hydrocyclones
CN1065463A (en) * 1991-03-29 1992-10-21 多尔奥利弗股份有限公司 Produce the corn wet milling process of starch
CN105981914A (en) * 2015-02-09 2016-10-05 许兆明 Production method and production device for vital wheat gluten and starch slurry of wheat
CN106107013A (en) * 2016-06-21 2016-11-16 商丘豫宁食品有限公司 Technique production system before gluten meal
CN215583086U (en) * 2021-05-10 2022-01-21 河南工业大学 Pipeline washing system of wheat protein

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3506485A (en) * 1964-08-04 1970-04-14 Erik Plaven Apparatus for extracting starch and gluten from a dough of wheat flour
US4283232A (en) * 1978-05-24 1981-08-11 Wessanen Nederland B.V. Process and apparatus for use in treating materials in hydrocyclones
CN1065463A (en) * 1991-03-29 1992-10-21 多尔奥利弗股份有限公司 Produce the corn wet milling process of starch
US5198035A (en) * 1991-03-29 1993-03-30 Dorr-Oliver Incorporated Corn wet milling process for manufacturing starch
CN105981914A (en) * 2015-02-09 2016-10-05 许兆明 Production method and production device for vital wheat gluten and starch slurry of wheat
CN106107013A (en) * 2016-06-21 2016-11-16 商丘豫宁食品有限公司 Technique production system before gluten meal
CN215583086U (en) * 2021-05-10 2022-01-21 河南工业大学 Pipeline washing system of wheat protein

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Inventor after: Zhao Bo

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