Process flow of etherified starch system

Abstract

The invention belongs to the technical field of food processing, and discloses a technological process of an etherified starch system. The method comprises the following steps: 1, placing raw materials: pouring powdery objects into a feeding hopper for storage; 2, raw material transferring, wherein the materials in a feeding hopper are conveyed through a batcher and a spiral conveyor; 3, stirring and mixing, wherein the water and the powder synchronously enter a stirring assembly to be mixed; 4, quantitative feeding: feeding the mixed raw materials into a feeding structure; the powder is effectively blocked by the gas waterfall, so that the phenomenon that the powder is scattered due to the action of gas when entering the stirring barrel is prevented, the problem that the periphery of the device is dirty and messy due to the scattering of the powder is avoided, the cleaning cost and the maintenance workload are reduced, the working environment is also improved, and the working efficiency is improved. And the harm of dust to the health of operators and the pollution of dust to peripheral equipment are reduced.

Description

Technical Field

[0001] The present invention belongs to the technical field of food processing, and particularly relates to a process flow of an etherified starch system. Background Art

[0002] Starch is a natural polymer material with rich sources, and has the characteristics of low price, easy degradation, environmental friendliness, etc., and is widely used in the fields of food, papermaking, textile, medicine, etc. With the continuous improvement of people's attention to environmental protection and sustainable development, the demand for starch and its modified products is gradually increasing;

[0003] Etherified starch is a modified starch obtained by etherification reaction of raw starch. Compared with raw starch, etherified starch has many advantages, such as low gelatinization temperature, strong hydrophilicity, good film-forming property, excellent water retention performance, etc. These characteristics significantly improve its performance in various application fields and can meet more specific requirements;

[0004] In the preparation process of etherified starch, since a powdery object needs to be mixed with water, and the powdery object is transported into the mixing barrel through a screw conveyor. At this time, due to the inability of water to disperse, water contacts with some powders, while another part of the powders splashes due to the fluidity during the falling process, resulting in a messy problem around the device. Summary of the Invention

[0005] In view of the problem that in the prior art, in the preparation process of etherified starch, a powdery object needs to be mixed with water, and the powdery object is transported into the mixing barrel through a screw conveyor. At this time, due to the inability of water to disperse, water contacts with some powders, while another part of the powders splashes due to the fluidity during the falling process, resulting in a messy problem around the device, the present invention proposes the following technical solutions:

[0006] A process flow of an etherified starch system includes the following steps:

[0007] Step 1: Raw material placement: Pour the powdery object into the feeding hopper for storage;

[0008] Step 2: Raw material transfer: Transport the materials in the feeding hopper through a metering device and a screw conveyor;

[0009] Step 3: Stirring and mixing: Water and powders enter the stirring component simultaneously for mixing;

[0010] Step 4: Quantitative feeding: The mixed raw materials enter the dosing structure, and at this time, quantitative feeding is carried out under the action of the valve and the diagnostic device in the dosing structure;

[0011] Step 5: Raw material filtration: The quantified powders enter the filtration structure for filtration;

[0012] Step Six: Raw material discharge: The filtered raw materials are discharged through a three-way solenoid valve;

[0013] Step Seven: Self-cleaning: When the internal value of the pressure valve installed between the dosing structure and the filtering structure changes, at this time, close the first switching valve of the filtering structure and open the second switching valve, inject water into the third switching valve. At the same time, when the entire device needs to be cleaned, close the first switching valve and open the three-way solenoid valve;

[0014] This process enables the automated production of powders, saving the time required for production. Moreover, for freshly prepared products, it improves the freshness of the products. Also, the combination of precise quantitative dosing and the filtering link avoids the overuse of raw materials. At the same time, the filtering link can recover some reusable raw materials, thereby reducing the waste of raw materials and lowering the production cost;

[0015] The stirring assembly includes a stirring barrel, a stirring shaft is rotatably installed inside the stirring barrel, a water flow dispersing head for dispersing water is arranged in the middle of the feeding port of the stirring barrel, and a material blocking ring is arranged at the top position of the water flow dispersing head inside the feeding port of the stirring barrel.

[0016] As a preference of the above technical solution, fan blades are fixedly installed on the outer side of the stirring shaft, a protective cover is sleeved outside the fan blades, air inlet pipes are equidistantly snap-fitted at the bottom end of the protective cover, and an air inlet hood is fixedly installed at the bottom end of the air inlet pipes.

[0017] As a preference of the above technical solution, a connecting pipe is embedded and installed on the outer side of one of the air inlet pipes, the connecting pipe penetrates through the inside of the stirring barrel, and a connecting ring is welded at one end of the connecting pipe.

[0018] As a preference of the above technical solution, an integral molding is formed between the inner wall edge of the connecting ring and the bottom end of the material blocking ring, and the distance between the outer side of the material blocking ring and the feeding port of the stirring barrel is one centimeter.

[0019] As a preference of the above technical solution, a water inlet pipe is arranged in the middle of the top end of the water flow dispersing head, the water inlet pipe is located at the center point of the material blocking ring, the center lines of the water inlet pipe and the material blocking ring coincide, and the distance between the bottom end of the water inlet pipe and the top end of the water flow dispersing head is four centimeters.

[0020] As a preference of the above technical solution, an air outlet pipe is embedded and installed at the top end of the protective cover, and the water flow dispersing head is movably connected up and down inside the air outlet pipe.

[0021] As a preference of the above technical solution, a diversion head is fixedly installed at the bottom end of the water flow dispersing head, and air outlet holes are opened at the top end of the air outlet pipe at the outer side position of the water flow dispersing head.

[0022] As a preferred embodiment of the above technical solution, the diameter of the top end of the guide head is larger than the diameter of the bottom end, and the shape of the guide head is conical.

[0023] As a preferred embodiment of the above technical solution, a motor is fixedly mounted on the top of the stirring shaft, and the motor is fixedly mounted on the top of the stirring tank through a mounting base.

[0024] The beneficial effects of the present invention are:

[0025] (1) The gas waterfall effectively blocks the powder and prevents the powder from being scattered due to the gas when entering the mixing barrel, thus avoiding the problem of the powder scattering and causing dirt around the device, reducing cleaning costs and maintenance workload, and improving the working environment, reducing the harm of dust to the health of operators and the pollution to surrounding equipment. In addition, the water flow dispersion head is used to disperse the water more evenly in the powder, greatly shortening the contact time between the powder and water, improving the mixing efficiency, and ensuring that the powder and water can be mixed quickly and evenly, thereby improving product quality and production efficiency;

[0026] (2) It can effectively collect the dust generated during the mixing process, avoid environmental pollution and waste of raw materials caused by flying dust, change the phenomenon of adhesion caused by flying dust in the prior art, and allow gas and liquid to overlap and contact, which is also conducive to gas reflux and dispersion, improves the dust collection efficiency, and further ensures the cleanliness of the inside of the mixing barrel;

[0027] (3) When the water pressure inside the water inlet pipe changes, the distance between the bottom end of the water inlet pipe and the water dispersion head can be changed accordingly, so that the dispersed water flow can always fit the inside of the feeding port of the mixing barrel. This ensures that the device can still effectively collect dust under different water pressure conditions, enhances the adaptability and stability of the device, and reduces the impact of water pressure changes on the dust collection effect, thereby better maintaining the clean state of the inside of the mixing barrel, reducing the number of cleaning times, and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 Shown is a process flow chart of a process flow of an etherified starch system in Example 1;

[0029] Figure 2 Shown is a schematic diagram of the structure of the stirring assembly in Example 1;

[0030] Figure 3 The figure shows the installation structure schematic diagram of the material blocking ring in Example 1;

[0031] Figure 4 The figure shows a schematic diagram of the installation structure of the fan blades in Example 1;

[0032] Figure 5The following is a schematic diagram of the installation structure of the air outlet pipe in Embodiment 1.

[0033] In the figure: 3, stirring assembly; 31, stirring barrel; 32, stirring shaft; 33, fan blades; 34, protective cover; 35, air inlet pipe; 36, air inlet hood; 37, connecting pipe; 38, connecting ring; 39, material blocking ring; 310, air outlet pipe; 311, water flow dispersing head; 312, diversion head; 313, air outlet hole. Specific implementation manners

[0034] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the embodiments.

[0035] Embodiment 1

[0036] The present invention provides a process flow of an etherified starch system, as Figures 1 to 5 shown, including the following steps:

[0037] Step 1: Raw material placement: Pour the powdery object into the inside of the feed hopper for storage;

[0038] Step 2: Raw material transfer: The materials inside the feed hopper are conveyed through a metering device and a screw conveyor. The metering device is used to control the conveying amount of the materials to ensure a stable supply of the materials; the screw conveyor is responsible for conveying the materials from the feed hopper to the stirring assembly 3;

[0039] Step 3: Stirring and mixing: Water and powder enter the inside of the stirring assembly 3 simultaneously for mixing;

[0040] Step 4: Quantitative feeding: The mixed raw materials enter the dosing structure. At this time, quantitative feeding is carried out under the action of the valves and diagnostic devices inside the dosing structure;

[0041] Step 5: Raw material filtration: The dosed powder enters the inside of the filtration structure for filtration;

[0042] Step 6: Raw material discharge: The filtered raw materials are discharged through a three-way solenoid valve;

[0043] Step 7: Self-cleaning: When the internal value of the pressure valve installed between the dosing structure and the filtration structure changes, at this time, the first switch valve of the filtration structure is closed and the second switch valve is opened, and water is injected into the third switch valve. At the same time, when all devices need to be cleaned, at this time, the first switch valve is closed and the three-way solenoid valve is opened;

[0044] The stirring assembly 3 includes a stirring barrel 31. A stirring shaft 32 is rotatably installed inside the stirring barrel 31. A water flow dispersing head 311 for dispersing water is arranged in the middle of the feed inlet of the stirring barrel 31. A material blocking ring 39 is arranged at the top position of the water flow dispersing head 311 inside the feed inlet of the stirring barrel 31.

[0045] As Figure 3 and Figure 4 shown, a fan blade 33 is fixedly installed outside the stirring shaft 32, a protective cover 34 is sleeved outside the fan blade 33, air inlet pipes 35 are equidistantly clamped and installed at the bottom end of the protective cover 34, an air inlet hood 36 is fixedly installed at the bottom end of the air inlet pipe 35, a connecting pipe 37 is embedded and installed outside one of the air inlet pipes 35, the connecting pipe 37 penetrates through the inside of the stirring barrel 31, a connecting ring 38 is welded at one end of the connecting pipe 37, and an air inlet groove is formed inside the connecting ring 38 for the flow of gas;

[0046] Since the stirring shaft 32 rotates at a high speed, the fan blade 33 is driven to rotate at this time. When the fan blade 33 rotates, a vortex is generated. During the generation of the vortex, an air inlet end and an air outlet end appear at both ends of the fan blade 33. At this time, gas enters the air inlet end. Since the gas enters along the air inlet hood 36 into the air inlet pipe 35 and then enters the protective cover 34 along the air inlet pipe 35, through the arrangement of multiple air inlet pipes 35, the gas at different positions inside the stirring barrel 31 can be adsorbed at this time. When gas is adsorbed inside one of the air inlet pipes 35, part of the gas enters the air inlet pipe 35 along the air inlet groove of the connecting ring 38 and then enters the protective cover 34 along the air inlet pipe 35.

[0047] As Figure 3 and Figure 4 shown, the inner wall edge of the connecting ring 38 and the bottom end of the material blocking ring 39 are integrally formed. The distance between the outer side of the material blocking ring 39 and the feeding port of the stirring barrel 31 is one centimeter, which is used for the fixation of the connecting ring 38, changing the fixation difficulty between the connecting ring 38 and the material blocking ring 39. And since the distance between the outer side of the material blocking ring 39 and the feeding port of the stirring barrel 31 is one centimeter, at this time, the connecting ring 38 performs vertical adsorption along the one - centimeter distance, thus forming a cylindrical gas waterfall. Under the adsorption action of the gas waterfall, the dust splashed when the spiral conveyor conveys and drops the powder flows along the gas waterfall, thereby preventing the phenomenon of dust splashing.

[0048] As Figure 1 shown, a water inlet pipe is arranged in the middle of the top end of the water flow dispersing head 311. The water inlet pipe is located at the center point of the material blocking ring 39, and the center lines between the water inlet pipe and the material blocking ring 39 coincide. The distance between the bottom end of the water inlet pipe and the top end of the water flow dispersing head 311 is four centimeters;

[0049] The water injected by the water inlet pipe drops onto the top end of the water flow dispersing head 311. At this time, under the action of the water flow dispersing head 311, the water forms a water waterfall and flows outward, and contacts the powder falling vertically. At this time, the contact between the water and the powder is more comprehensive, reducing the phenomenon of powder splashing during the high - speed stirring of the powder and the liquid.

[0050] AsFigure 3 , Figure 4 and Figure 5 As shown in Figure 3 , Figure 4 and Figure 5 , an air outlet pipe 310 is embedded and installed at the top end of the protective cover 34. A water flow dispersion head 311 is movably connected up and down inside the air outlet pipe 310. A diversion head 312 is fixedly installed at the bottom end of the water flow dispersion head 311. An air outlet hole 313 is provided at the position outside the water flow dispersion head 311 at the top end of the air outlet pipe 310. The diameter of the top end of the diversion head 312 is larger than that of the bottom end, and the shape of the diversion head 312 is conical. A motor is fixedly installed at the top end of the stirring shaft 32, and the motor is fixedly installed at the top end of the stirring barrel 31 through a mounting seat.

[0051] The buoyancy of the gas drives the diversion head 312 to move up and down. When the diversion head 312 moves up and down, it drives the water flow dispersion head 311 to move up and down. When the water pressure inside the water inlet pipe changes, the distance between the bottom end of the water inlet pipe and the water flow dispersion head 311 changes at this time, so that the dispersed water flow can always fit with the inside of the feeding port of the stirring barrel 31. And under the action of the water flow dispersion head 311, the discharged gas diffuses outwards, so that the dust and liquid in the gas are mixed with water. At this time, through the blockage of the water waterfall, the gas circulates into the stirring barrel 31, thus completing the gas circulation and the purpose of gas purification.

[0052] Working principle: During the actual use of the device, at this time, the powder and water enter along the feed port of the mixing barrel 31 simultaneously. At this time, the material blocking ring 39 and the outer side of the water inlet pipe are for powder feeding, while the inside of the water inlet pipe is for water feeding. Then, the operator starts the motor. When the motor rotates, it drives the mixing shaft 32 to rotate. When the mixing shaft 32 rotates, it drives the water and powder inside the mixing barrel 31 to be mixed. At the same time, the mixing shaft 32 drives the fan blades 33 to rotate. When the fan blades 33 rotate, it drives the formation of gas flow inside the mixing barrel 31. At this time, when the powder and water are being highly mixed inside the mixing barrel 31, some of the powder splashes. At this time, since the rotation of the fan blades 33 drives the gas to flow, the gas containing powder enters the inside of the air inlet pipe 35 along the air inlet cover 36, and finally enters the inside of the protective cover 34 along the air inlet pipe 35, and then enters the inside of the air outlet pipe 310 along the protective cover 34, and then enters the inside of the air outlet hole 313 along the flow guide head 312 of the air outlet pipe 310, and finally enters the bottom end of the water flow dispersion head 311 along the air outlet hole 313. At this time, because the bottom end of the water flow dispersion head 311 is conical, the gas containing dust forms an opening and closing state upward, and at the same time, due to the conical shape of the top end of the water flow dispersion head 311, the descending water stains form an opening and closing state downward. At this time, the gas containing dust and the liquid overlap and contact, so that the gas can be refluxed and dispersed, and the dust in the gas can be collected and utilized. And when the water pressure inside the water inlet pipe changes, the distance between the bottom end of the water inlet pipe and the water flow dispersion head 311 changes, so that the dispersed water flow can always fit the inside of the feed port of the mixing barrel 31. This method can collect the dust inside the mixing barrel 31, changing the phenomenon of adhesion caused by the dust flying inside the mixing barrel 31 in the prior art, thus saving the cleaning times inside the mixing barrel 31 and further ensuring the cleanliness inside the mixing barrel 31;

[0053] At the same time, when the powder and water are being mixed, at this time, the powder is fully mixed with the water dispersed by the water flow dispersion head 311, improving the mixing effect of the water and the powder, changing the problem in the prior art that the diffusion range of the water is small and the contact time between the powder and the water is long. And at this time, since the powder is between the material blocking ring 39 and the water inlet pipe, the connecting ring 38 adsorbs vertically along a distance of one centimeter, thus forming a cylindrical gas waterfall. The gas waterfall is used to block the powder to prevent it from scattering due to the action of the gas when entering the mixing barrel 31, thus avoiding the problem of mess around the device.

[0054] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it.

Claims

1. A process flow of etherified starch system, characterized in that: The following steps are involved: Step 1: Raw material placement: Pour the powdered material into the feed hopper for storage; Step 2: Raw material transfer: The material in the feed hopper is transported through the dosing device and the screw conveyor; Step 3: Mixing and stirring: water and powder are simultaneously introduced into the stirring component (3) for mixing; Step 4: quantitative delivery: the mixed raw materials enter the dosing structure, and are quantitatively delivered through the valves and diagnostic devices inside the dosing structure; Step 5: Raw material filtration: The quantitative powder enters the filtration structure for filtration; Step 6: Raw material discharge: The filtered raw material is discharged through a three-way solenoid valve; Step 7: Self-cleaning: When the internal value of the pressure valve installed between the dosing structure and the filtering structure changes, the first switch valve of the filtering structure is closed and the second switch valve is opened, and water is injected into the third switch valve. At the same time, when the entire device needs to be cleaned, the first switch valve is closed and the three-way solenoid valve is opened; The stirring assembly (3) comprises a stirring barrel (31), a stirring shaft (32) is rotatably mounted inside the stirring barrel (31), a water flow dispersion head (311) for dispersing water is arranged in the middle of the feeding port of the stirring barrel (31), and a material blocking ring (39) is arranged at the top position of the water flow dispersion head (311) inside the feeding port of the stirring barrel (31).

2. The process flow of an etherified starch system according to claim 1, characterized in that: A fan blade (33) is fixedly mounted on the outside of the stirring shaft (32), a protective cover (34) is sleeved on the outside of the fan blade (33), an air intake pipe (35) is equidistantly mounted on the bottom end of the protective cover (34), and an air intake cover (36) is fixedly mounted on the bottom end of the air intake pipe (35).

3. The process flow of an etherified starch system according to claim 2, characterized in that: A connecting pipe (37) is embedded and installed on the outside of one of the air inlet pipes (35), and the connecting pipe (37) runs through the inside of the stirring barrel (31). A connecting ring (38) is welded to one end of the connecting pipe (37).

4. The process flow of an etherified starch system according to claim 3, characterized in that: The inner wall edge of the connecting ring (38) and the bottom end of the material blocking ring (39) are integrally formed, and the distance between the outer side of the material blocking ring (39) and the feed opening of the stirring barrel (31) is one centimeter.

5. The process flow of an etherified starch system according to claim 2, characterized in that: A water inlet pipe is provided in the middle of the top of the water flow dispersion head (311), the water inlet pipe is located at the center point of the material blocking ring (39), the center line between the water inlet pipe and the material blocking ring (39) coincides, and the distance between the bottom end of the water inlet pipe and the top of the water flow dispersion head (311) is four centimeters.

6. The process flow of an etherified starch system according to claim 2, characterized in that: An air outlet pipe (310) is embedded and installed at the top of the protective cover (34), and the water flow dispersion head (311) is movably connected to the inside of the air outlet pipe (310) up and down.

7. The process flow of an etherified starch system according to claim 6, characterized in that: A flow guide head (312) is fixedly mounted on the bottom end of the water flow dispersion head (311), and an air outlet hole (313) is provided at the top end of the air outlet pipe (310) at a position outside the water flow dispersion head (311).

8. The process flow of an etherified starch system according to claim 7, characterized in that: The top diameter of the flow guide head (312) is larger than the bottom diameter, and the shape of the flow guide head (312) is conical.

9. The process flow of an etherified starch system according to claim 1, characterized in that: A motor is fixedly mounted on the top of the stirring shaft (32), and the motor is fixedly mounted on the top of the stirring kettle (3) via a mounting seat.

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