Novel corn dry-method degerming system

Abstract

The utility model provides a novel corn dry-process degerming system which comprises a purification and impurity removal system, a fan dust removal system, a secondary degerming and screening system and a multi-stage germ selection system, after raw material corn passes through the purification and impurity removal system, a discharge port of the purification and impurity removal system is communicated with a feed port of the secondary degerming and screening system, and a discharge port of the fan dust removal system is communicated with a discharge port of the multi-stage germ selection system; the fan dust removal system comprises a plurality of groups of fans and bag-type dust removers, outlets of each group of fans are connected with inlets of the corresponding bag-type dust removers, exhaust ports of the bag-type dust removers are communicated with the atmosphere, and inlets of the plurality of groups of fans are respectively connected with air outlets of the purification and impurity removal system, the secondary degerming and screening system and the multi-stage degerming and screening system; the secondary degerming and screening system comprises two groups of degerming machines and a classifying screen, an outlet of the classifying screen is connected with an inlet of the multi-stage germ selecting system, an outlet of the multi-stage germ selecting system is connected with an inlet of the suspension screen, and an outlet of the suspension screen is connected with the germ packaging bin. According to the utility model, the yield of corn germs is greatly increased, and the purity of the corn germs is improved.

Description

Technical Field

[0001] This utility model relates to the field of corn product processing, specifically a novel dry corn degerming system. Background Technology

[0002] Currently, corn germ extraction is divided into dry and wet methods. The advantages of dry extraction are lower energy consumption, less pollution, and lower investment. The disadvantages are lower extraction rate and lower germ purity. The advantages of wet extraction are higher extraction rate and higher germ purity. The disadvantages are higher investment in the entire system equipment, the need for subsequent drying of the extracted germ (which consumes more energy), and the generation of odors and other environmental pollution. Utility Model Content

[0003] To address the shortcomings of the existing technology, this utility model provides a novel dry corn degermination system, which improves and optimizes the dry corn degermination process and equipment, greatly increasing the yield and purity of corn germ.

[0004] The technical solution provided by this utility model is as follows: A novel dry corn degerming system, comprising a purification and impurity removal system, a fan dust removal system, a two-stage degerming and screening system, and a multi-stage embryo selection system. After the raw corn passes through the purification and impurity removal system, the outlet of the purification and impurity removal system is connected to the inlet of the two-stage degerming and screening system. The fan dust removal system includes multiple sets of fans and bag filters. The outlet of each set of fans is connected to the inlet of the corresponding bag filter. The exhaust port of the bag filter is open to the atmosphere. The inlets of the multiple sets of fans are respectively connected to the outlets of the purification and impurity removal system, the two-stage degerming and screening system, and the multi-stage embryo selection system. The two-stage degerming and screening system includes two sets of degerming machines and a grading screen. The outlet of the grading screen is connected to the inlet of the multi-stage embryo selection system. The outlet of the multi-stage embryo selection system is connected to the inlet of the suspension screen. The outlet of the suspension screen is connected to the germ packaging silo.

[0005] Furthermore, the purification and impurity removal system includes a vibrating screen, a destoner, a magnetic separator, a sand roller peeling machine, and multiple bucket elevators. The outlet of bucket elevator #1 is connected to the inlet of the vibrating screen, the bottom outlet of the vibrating screen is connected to the inlet of the destoner, the lower outlet of the destoner is connected to the inlet of bucket elevator #2, the outlet of bucket elevator #2 is connected to the inlet of the magnetic separator, the outlet of the magnetic separator is connected to the inlet of the sand roller peeling machine, the outlet of the sand roller peeling machine is connected to the inlet of bucket elevator #3, and the outlet of bucket elevator #3 is connected to the secondary de-embryo and screening system.

[0006] Furthermore, the upper outlet of the vibrating screen and the destoner is connected to the inlet of the No. 1 fan of the dust removal system, and a large amount of dust enters the No. 1 bag filter for collection through the No. 1 fan.

[0007] Furthermore, the multi-stage embryo selection system includes multiple embryo selection machines. The outlet of the No. 3 bucket elevator is connected to the inlet of the first-stage embryo removal machine, the outlet of the first-stage embryo removal machine is connected to the inlet of the No. 4 bucket elevator, the outlet of the No. 4 bucket elevator is connected to the inlet of the first-stage grading screen, the upper outlet of the first-stage grading screen is connected to the inlet of the No. 3 bucket elevator, the middle outlet of the first-stage grading screen is connected to the inlet of the first embryo selection machine, and the lower outlet of the first-stage grading screen is connected to the inlet of the second embryo selection machine.

[0008] Furthermore, the air outlets of the first and second embryo sorting machines are connected to the inlet of the No. 3 fan, and the outlet of the No. 3 fan is connected to the inlet of the corresponding bag filter.

[0009] Furthermore, the upper outlet of the primary embryo separator is connected to the conveying auger, the lower outlet of the primary embryo separator is connected to the inlet of the No. 2 cyclone separator, the lower outlet of the No. 2 cyclone separator is connected to the secondary embryo deger, the outlet of the secondary embryo deger is connected to the inlet of the No. 3 cyclone separator, the outlet of the No. 3 cyclone separator is connected to the inlet of the secondary grading screen, the upper outlet of the secondary grading screen is connected to the inlet of the third embryo separator, and the lower outlet of the secondary grading screen is connected to the inlet of the second embryo deger.

[0010] Furthermore, the upper outlet of the three-stage embryo sorting machine is connected to the conveying auger, the lower outlet of the three-stage embryo sorting machine is connected to the inlet of the No. 4 cyclone separator, the lower outlet of the No. 4 cyclone separator is connected to the inlet of the fourth-stage embryo sorting machine, the upper outlet of the fourth-stage embryo sorting machine is connected to the inlet of the No. 1 cyclone separator, the lower outlet of the fourth-stage embryo sorting machine is connected to the inlet of the No. 5 cyclone separator, the inlet of the No. 5 cyclone separator is connected to the inlet of the suspension screen, and the outlet of the suspension screen is connected to the embryo packaging chamber.

[0011] Furthermore, the upper outlets of the No. 1, No. 2, No. 3, No. 4 and No. 5 cyclones are respectively connected to the inlet of the No. 2 fan, and the outlet of the No. 2 fan is connected to the inlet of the corresponding bag filter.

[0012] Furthermore, the upper outlet of the suspended screen is connected to the inlet of the No. 6 cyclone separator, the outlet of the No. 6 cyclone separator is connected to the inlet of the No. 5 blower, and the outlet of the No. 5 blower is open to the atmosphere.

[0013] Furthermore, the three-stage and four-stage embryo sorting machines are connected to the inlet of fan #4, and the outlet of fan #4 is connected to the inlet of the corresponding bag filter.

[0014] The beneficial effects of this utility model are:

[0015] (1) This utility model optimizes the traditional dry degerming and purification process. Before dry degerming, a vibrating screen, a destoner, and a magnetic separator are used, which greatly improves the purification level of corn and ensures the safe operation of the equipment while also ensuring the stability of product quality.

[0016] (2) This utility model adopts a two-stage de-embryoling and two-stage screening process, which greatly improves the embryo yield of dry de-embryoling, making the embryo yield after dry de-embryoling the same as that after wet de-embryoling, which greatly improves the added value of the product.

[0017] (3) This utility model adopts a multi-stage embryo selection and multi-stage bag recycling process, which greatly improves the purity of the embryo and also purifies the production environment, thus meeting the needs of clean production. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of this utility model;

[0019] In the diagram: 1—1# Bucket Elevator, 2—Vibrating Screen, 3—Destoner, 4—2# Bucket Elevator, 5—Magnetic Separator, 6—Sand Roller Peeler, 7—3# Bucket Elevator, 8—1# Fan, 9—1# Bag Filter, 10—First-Stage Demolding Machine, 11—4# Bucket Elevator, 12—First-Stage Grading Screen, 13—First-Stage Separator, 14—Second-Stage Separator, 15—Conveying Screw Conveyor, 16—2# Cliff Conveyor, 17—Second-Stage Demolding Machine, 18—3# Cliff Conveyor, 19—Second-Stage Grading Screen, 20—Third-Stage Separator, 21—4# Cliff Conveyor, 22—Fourth-Stage Separator, 23—1# Cliff Conveyor, 24—5# Cliff Conveyor, 25—Suspension Screen, 26—2# Fan, 27—6# Cliff Conveyor, 28—5# Fan, 29—4# Fan, 30—3# Fan. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] like Figure 1 The novel corn dry degerming system shown includes a purification and impurity removal system, a fan dust removal system, a two-stage degerming and screening system, and a multi-stage germ selection system. After the raw corn passes through the purification and impurity removal system, the outlet of the purification and impurity removal system is connected to the inlet of the two-stage degerming and screening system. The fan dust removal system includes multiple sets of fans and bag filters. The outlet of each set of fans is connected to the inlet of the corresponding bag filter. The exhaust port of the bag filter is open to the atmosphere, and the discharge port of the bag filter is connected to the packaging material for convenient packaging. The inlets of the multiple sets of fans are respectively connected to the air outlets of the purification and impurity removal system, the two-stage degerming and screening system, and the multi-stage germ selection system. The two-stage degerming and screening system includes two sets of degerming machines and a grading screen. The outlet of the grading screen is connected to the inlet of the multi-stage germ selection system, the outlet of the multi-stage germ selection system is connected to the inlet of the suspended screen 25, and the outlet of the suspended screen 25 is connected to the germ packaging chamber.

[0024] The purification and impurity removal system includes a vibrating screen 2, a destoner 3, a magnetic separator 5, a sand roller peeling machine 6, and multiple bucket elevators. The outlet of bucket elevator 1 is connected to the inlet of the vibrating screen 2. The bottom outlet of the vibrating screen 2 is connected to the inlet of the destoner 3. The lower outlet of the destoner 3 is connected to the inlet of bucket elevator 4. The outlet of bucket elevator 4 is connected to the inlet of the magnetic separator 5. The outlet of the magnetic separator 5 is connected to the inlet of the sand roller peeling machine 6. The outlet of the sand roller peeling machine 6 is connected to the inlet of bucket elevator 7. The outlet of bucket elevator 7 is connected to the secondary de-embryo screening system. The upper outlets of the vibrating screen 2 and the destoner 3 are connected to the inlet of fan 8 of the dust removal system. A large amount of dust enters the bag filter 9 through fan 8 for collection.

[0025] Vibrating screen 2 can effectively screen corn and other impurities based on their size and specific gravity, removing some corn cobs and other impurities, thus purifying the corn. The corn then enters destoner 3 for further purification, removing stones and other impurities of the same size as the corn. Magnetic separator 5 can effectively remove some metal impurities such as iron.

[0026] The multi-stage embryo selection system includes multiple embryo selectors. The outlet of the No. 3 bucket elevator 7 is connected to the inlet of the primary embryo remover 10. The outlet of the primary embryo remover 10 is connected to the inlet of the No. 4 bucket elevator 11. The outlet of the No. 4 bucket elevator 11 is connected to the inlet of the primary grading screen 12. The upper outlet of the primary grading screen 12 is connected to the inlet of the No. 3 bucket elevator 7. The middle outlet of the primary grading screen 12 is connected to the inlet of the primary embryo selector 13. The lower outlet of the primary grading screen 12 is connected to the inlet of the secondary embryo selector 14. The air outlets of the primary embryo selector 13 and the secondary embryo selector 14 are connected to the inlet of the No. 3 fan 30. The outlet of the No. 3 fan 30 is connected to the inlet of the corresponding bag filter dust collector.

[0027] The upper outlet of the primary embryo separator 13 is connected to the conveying auger 15, the lower outlet of the primary embryo separator 13 is connected to the inlet of the No. 2 cyclone separator 16, the lower outlet of the No. 2 cyclone separator 16 is connected to the secondary embryo separator 17, the outlet of the secondary embryo separator 17 is connected to the inlet of the No. 3 cyclone separator 18, the outlet of the No. 3 cyclone separator 18 is connected to the inlet of the secondary grading screen 19, the upper outlet of the secondary grading screen 19 is connected to the inlet of the third embryo separator 20, and the lower outlet of the secondary grading screen 19 is connected to the inlet of the second embryo separator 14.

[0028] The upper outlet of the three-stage embryo sorting machine 20 is connected to the conveying auger 15, the lower outlet of the three-stage embryo sorting machine 20 is connected to the inlet of the No. 4 cyclone 21, the lower outlet of the No. 4 cyclone 21 is connected to the inlet of the fourth-stage embryo sorting machine 22, the upper outlet of the fourth-stage embryo sorting machine 22 is connected to the inlet of the No. 1 cyclone 23, the lower outlet of the fourth-stage embryo sorting machine 22 is connected to the inlet of the No. 5 cyclone 24, the inlet of the No. 5 cyclone 24 is connected to the inlet of the suspension screen 25, and the outlet of the suspension screen 25 is connected to the germ packaging chamber.

[0029] The upper outlets of the No. 1 cyclone 23, No. 2 cyclone 16, No. 3 cyclone 18, No. 4 cyclone 21 and No. 5 cyclone 24 are respectively connected to the inlet of the No. 2 fan 26, and the outlet of the No. 2 fan 26 is connected to the inlet of the corresponding bag filter.

[0030] The upper outlet of the suspended screen 25 is connected to the inlet of the No. 6 cyclone 27, the outlet of the No. 6 cyclone 27 is connected to the inlet of the No. 5 blower 28, and the outlet of the No. 5 blower 28 is open to the atmosphere.

[0031] The three-stage embryo sorting machine 20 and the four-stage embryo sorting machine 22 are connected to the inlet of the No. 4 fan 29, and the outlet of the No. 4 fan 29 is connected to the inlet of the corresponding bag filter.

[0032] The blowers are configured with high pressure, medium pressure and low pressure according to different process conditions and production capacity, and the bag filter dust collectors are configured with different models of dust collectors according to different process conditions and production capacity.

[0033] In practical use, the raw corn enters the vibrating screen 2 via a bucket elevator 1. The vibrating screen 2 separates the corn and most of the corn cobs and other impurities. The purified corn then enters a destoner 3 for further purification, removing small stones and other impurities. After further purification, the corn enters a bucket elevator 4, which then enters a magnetic separator 5 to further remove iron and other metallic impurities. The corn, having undergone multiple purification processes, enters a sand roller dehuller 6 for degerming, facilitating the next degerming process. After peeling, the corn enters the No. 3 bucket elevator 7, and is then lifted to the primary degerminator 10 for degerming. The degermed corn grits and corn germ enter the No. 4 bucket elevator 11, and then enter the primary grading screen 12. The large particles at the top of the primary grading screen 12 are returned to the primary degerminator 10 for further degerming. The germ at the middle outlet of the primary grading screen 12 enters the primary germ separator 13 for separation and purification. The small particles of corn grits at the bottom outlet of the primary grading screen 12 enter the secondary germ separator. The embryo separator 14 separates and purifies the embryos. After initial separation and purification, the embryos enter the secondary grading screen 19 for further grading and purification. The relatively clean embryos at the top of the secondary grading screen 19 enter the third embryo separator 20 for further separation and purification. After passing through the third embryo separator 20, the embryos enter the fourth embryo separator 22 after centrifugation in the No. 4 cyclone separator 21, and then enter the fifth cyclone separator 24 for centrifugation. Finally, they enter the suspension screen 25, and the thoroughly purified embryos enter the packaging process.

[0034] The above description is merely a detailed description of the specific implementation scheme of this utility model and is not intended to limit this utility model. Any modifications, equivalent substitutions, and improvements made on the design concept of this utility model should be included within the protection scope of this utility model.

Claims

1. A novel dry degerming system for corn, characterized in that, It includes a purification and impurity removal system, a fan dust removal system, a two-stage degerming and screening system, and a multi-stage embryo selection system. After the raw corn passes through the purification and impurity removal system, the discharge port of the purification and impurity removal system is connected to the feed port of the two-stage degerming and screening system. The fan dust removal system includes multiple sets of fans and bag filters. The outlet of each set of fans is connected to the inlet of the corresponding bag filter. The exhaust port of the bag filter is connected to the atmosphere. The inlets of multiple sets of fans are respectively connected to the air outlets of the purification and impurity removal system, the two-stage degerming and screening system, and the multi-stage embryo selection system. The two-stage degerming and screening system includes two sets of degerming machines and a grading screen. The outlet of the grading screen is connected to the inlet of the multi-stage embryo selection system. The outlet of the multi-stage embryo selection system is connected to the inlet of the suspension screen (25). The outlet of the suspension screen (25) is connected to the germ packaging silo.

2. The novel dry corn degerming system according to claim 1, characterized in that, The purification and impurity removal system includes a vibrating screen (2), a destoner (3), a magnetic separator (5), a sand roller peeling machine (6), and multiple bucket elevators. The outlet of bucket elevator #1 (1) is connected to the inlet of the vibrating screen (2). The bottom outlet of the vibrating screen (2) is connected to the inlet of the destoner (3). The lower outlet of the destoner (3) is connected to the inlet of bucket elevator #2 (4). The outlet of bucket elevator #2 (4) is connected to the inlet of the magnetic separator (5). The outlet of the magnetic separator (5) is connected to the inlet of the sand roller peeling machine (6). The outlet of the sand roller peeling machine (6) is connected to the inlet of bucket elevator #3 (7). The outlet of bucket elevator #3 (7) is connected to the secondary de-embryo screening system.

3. The novel dry corn degerming system according to claim 2, characterized in that, The upper outlets of the vibrating screen (2) and the destoner (3) are connected to the inlet of the No. 1 fan (8) of the dust removal system. A large amount of dust enters the No. 1 bag filter (9) through the No. 1 fan (8) for collection.

4. A novel dry corn degermination system according to claim 2, characterized in that, The multi-stage embryo selection system includes multiple embryo selection machines. The outlet of the No. 3 bucket elevator (7) is connected to the inlet of the first-stage embryo remover (10). The outlet of the first-stage embryo remover (10) is connected to the inlet of the No. 4 bucket elevator (11). The outlet of the No. 4 bucket elevator (11) is connected to the inlet of the first-stage grading screen (12). The upper outlet of the first-stage grading screen (12) is connected to the inlet of the No. 3 bucket elevator (7). The middle outlet of the first-stage grading screen (12) is connected to the inlet of the first embryo selection machine (13). The lower outlet of the first-stage grading screen (12) is connected to the inlet of the second embryo selection machine (14).

5. A novel dry corn degermination system according to claim 4, characterized in that, The air outlets of the first-stage embryo sorter (13) and the second-stage embryo sorter (14) are connected to the inlet of the #3 fan (30), and the outlet of the #3 fan (30) is connected to the inlet of the corresponding bag filter.

6. A novel dry corn degerming system according to claim 4, characterized in that, The upper outlet of the first embryo sorting machine (13) is connected to the conveying auger (15), the lower outlet of the first embryo sorting machine (13) is connected to the inlet of the No. 2 cyclone separator (16), the lower outlet of the No. 2 cyclone separator (16) is connected to the second embryo de-embryo machine (17), the outlet of the second embryo de-embryo machine (17) is connected to the inlet of the No. 3 cyclone separator (18), the outlet of the No. 3 cyclone separator (18) is connected to the inlet of the second grading screen (19), the upper outlet of the second grading screen (19) is connected to the inlet of the third embryo sorting machine (20), and the lower outlet of the second grading screen (19) is connected to the inlet of the second embryo de-embryo machine (14).

7. A novel dry corn degerming system according to claim 6, characterized in that, The upper outlet of the three-stage embryo sorting machine (20) is connected to the conveying auger (15), the lower outlet of the three-stage embryo sorting machine (20) is connected to the inlet of the No. 4 cyclone separator (21), the lower outlet of the No. 4 cyclone separator (21) is connected to the inlet of the four-stage embryo sorting machine (22), the upper outlet of the four-stage embryo sorting machine (22) is connected to the inlet of the No. 1 cyclone separator (23), the lower outlet of the four-stage embryo sorting machine (22) is connected to the inlet of the No. 5 cyclone separator (24), the inlet of the No. 5 cyclone separator (24) is connected to the inlet of the suspension screen (25), and the outlet of the suspension screen (25) is connected to the germ packaging chamber.

8. A novel dry corn degerming system according to claim 7, characterized in that, The upper outlets of the No. 1 cyclone (23), No. 2 cyclone (16), No. 3 cyclone (18), No. 4 cyclone (21) and No. 5 cyclone (24) are respectively connected to the inlet of the No. 2 fan (26), and the outlet of the No. 2 fan (26) is connected to the inlet of the corresponding bag filter.

9. A novel dry corn degermination system according to claim 7, characterized in that, The upper outlet of the suspended screen (25) is connected to the inlet of the No. 6 cyclone separator (27), the outlet of the No. 6 cyclone separator (27) is connected to the inlet of the No. 5 blower (28), and the outlet of the No. 5 blower (28) is open to the atmosphere.

10. A novel dry corn degermination system according to claim 7, characterized in that, The three-stage embryo sorting machine (20) and the four-stage embryo sorting machine (22) are connected to the inlet of the No. 4 fan (29), and the outlet of the No. 4 fan (29) is connected to the inlet of the corresponding bag filter.

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