CN113522219A - Continuous modified starch reaction system and reaction method - Google Patents
Continuous modified starch reaction system and reaction method Download PDFInfo
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- CN113522219A CN113522219A CN202110908407.4A CN202110908407A CN113522219A CN 113522219 A CN113522219 A CN 113522219A CN 202110908407 A CN202110908407 A CN 202110908407A CN 113522219 A CN113522219 A CN 113522219A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 99
- 229920000881 Modified starch Polymers 0.000 title claims abstract description 29
- 239000004368 Modified starch Substances 0.000 title claims abstract description 29
- 235000019426 modified starch Nutrition 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 9
- 239000002253 acid Substances 0.000 claims abstract description 69
- 239000003513 alkali Substances 0.000 claims abstract description 63
- 229920002472 Starch Polymers 0.000 claims abstract description 49
- 235000019698 starch Nutrition 0.000 claims abstract description 49
- 239000008107 starch Substances 0.000 claims abstract description 49
- 238000002360 preparation method Methods 0.000 claims abstract description 38
- 239000000126 substance Substances 0.000 claims abstract description 38
- 238000005406 washing Methods 0.000 claims abstract description 30
- 235000013336 milk Nutrition 0.000 claims abstract description 28
- 239000008267 milk Substances 0.000 claims abstract description 28
- 210000004080 milk Anatomy 0.000 claims abstract description 28
- 238000001035 drying Methods 0.000 claims abstract description 19
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 238000003756 stirring Methods 0.000 claims description 9
- 230000018044 dehydration Effects 0.000 claims description 7
- 238000006297 dehydration reaction Methods 0.000 claims description 7
- 150000003839 salts Chemical class 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 2
- 238000000429 assembly Methods 0.000 claims 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000010924 continuous production Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000001580 bacterial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000010963 304 stainless steel Substances 0.000 description 1
- 229910000589 SAE 304 stainless steel Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2415—Tubular reactors
- B01J19/242—Tubular reactors in series
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/245—Stationary reactors without moving elements inside placed in series
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/12—Degraded, destructured or non-chemically modified starch, e.g. mechanically, enzymatically or by irradiation; Bleaching of starch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
- C08B30/12—Degraded, destructured or non-chemically modified starch, e.g. mechanically, enzymatically or by irradiation; Bleaching of starch
- C08B30/16—Apparatus therefor
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- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The invention discloses a continuous modified starch reaction system in the technical field of modified starch production, which comprises reactor devices, wherein a plurality of reactor devices are connected in series to form a continuous reaction module, the reactor device at the first stage in the continuous reaction module is communicated with a starch milk preparation device, each reactor device is communicated with the same dilute alkali preparation device and a chemical preparation device, the reactor device at the last stage in the continuous reaction module is communicated with the dilute acid preparation device and a fore-washing tank device, and the fore-washing tank device is communicated with a washing, dewatering and drying device; the invention also provides a continuous modified starch reaction method: s1, preparing starch milk; s2, preparing dilute alkali; s3, preparing dilute acid; s4, preparing chemicals; s5, a reaction system; s6, neutralization; s7, washing, dehydrating and drying. The invention can carry out continuous production, has controllable quality and modularized production system.
Description
Technical Field
The invention relates to the technical field of modified starch production, in particular to a continuous modified starch reaction system and a continuous modified starch reaction method.
Background
On the basis of the inherent characteristics of the natural starch, in order to improve the performance of the starch and expand the application range of the starch, the physical, chemical or enzymatic treatment is utilized to introduce new functional groups on starch molecules or change the size of the starch molecules and the properties of starch granules, thereby changing the natural characteristics of the starch (such as gelatinization temperature, hot viscosity and stability thereof, freeze-thaw stability, gel strength, film forming property, transparency and the like) and enabling the starch to be more suitable for the requirements of certain applications. This starch that has undergone secondary processing to change properties is collectively referred to as destructurized starch. The production of modified starch is carried out in a reaction tank in the past, only batch production can be carried out, continuous production cannot be carried out, indexes of each batch are inconsistent, when quality is in a problem, the problem of material output of the tank is represented, loss is large, and therefore continuous production, quality control and modularization are problems to be solved by technical personnel in the field.
Disclosure of Invention
The invention aims to provide a continuous modified starch reaction system and a reaction method, which aim to solve the problems of continuous production, controllable quality and modularization in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a serialization modified starch reaction system, includes the reactor device, and is a plurality of it makes up into a continuous reaction module to establish ties between the reactor device, the reactor device that is in the first order in the continuous reaction module is linked together with starch milk preparation facilities, every the reactor device all is linked together with same dilute alkali preparation facilities, chemicals preparation facilities, the reactor device that is in the last order in the continuous reaction module is linked together with dilute acid preparation facilities, the jar device before washing is linked together with washing dehydration drying device.
Preferably, the reactor device includes bracket component, sleeve pipe reaction module, install sleeve pipe reaction module on the bracket component, sleeve pipe reaction module includes sleeve pipe, reaction tube, elbow, the short tee bend of reducing, shrouding, first clamp subassembly, be provided with the sleeve pipe that a plurality of are parallel to each other on the bracket component, the short tee bend of reducing of the equal coaxial fixedly connected with in sleeve pipe both ends, every equal coaxial the inserting of cover is equipped with a reaction tube, the both ends of reaction tube are all worn out the back cover from the short tee bend of reducing that corresponds and are equipped with a shrouding, the equal fixed connection of shrouding is on the short tee bend of reducing that corresponds, communicate each other through the short tee bend cooperation first clamp subassembly of reducing between the sleeve pipe, communicate each other through a plurality of elbow between the reaction tube.
Preferably, the starch milk preparation device comprises a flow meter TK01-FT02, a valve TK01-XV01, a feeding tank TK01 and a pump PO1, wherein the feeding tank TK01 is connected with a water supply device through a first water conveying pipeline, the flow meter TK01-FT02 and the valve TK01-XV01 are sequentially arranged on the first water conveying pipeline, a discharge port of the feeding tank TK01 is communicated with the first-stage reactor device through a starch milk conveying pipeline, and the starch milk conveying pipeline is provided with the pump PO 1.
Preferably, the dilute alkali preparation device comprises a valve TK02-XV01, a flow meter TK02-FT01, a dilute alkali tank TK02, a flow meter TK02-FT02 and a pump PO2, the dilute alkali tank TK02 is connected with a water supply device through a second water conveying pipeline, the second water conveying pipeline is sequentially provided with a valve TK02-XV01 and a flow meter TK02-FT01, the dilute alkali tank TK02 is further connected with a concentrated alkali supply device through a dilute alkali conveying pipeline, the dilute alkali conveying pipeline is provided with a flow meter TK02-FT02, a discharge port of the dilute alkali tank TK02 is communicated with each reactor device through a dilute alkali conveying pipeline, and the dilute alkali conveying pipeline is provided with a pump PO 2.
Preferably, the dilute acid preparation device comprises a valve TK03-XV01, a flow meter TK03-FT01, a dilute acid tank TK03, a flow meter TK03-FT02, a valve TK03-XV02 and a pump PO3, the dilute acid tank TK03 is connected with a water supply device through a third water pipeline, the third water pipeline is sequentially provided with the TK03-FT01 and the valve TK03-XV01, the dilute acid tank TK03 is further connected with a concentrated acid supply device through an acid pipeline, the acid pipeline is provided with the flow meter TK03-FT02, the dilute acid tank TK03 is further provided with a circulating pipeline, the circulating pipeline is sequentially provided with the valves TK03-XV02 and the pump P03, a discharge port of the dilute acid tank TK03 is communicated with a reactor device at the last stage in the continuous reaction module through the dilute acid conveying pipeline, and the dilute acid conveying pipeline is provided with the pump PO 7.
Preferably, the chemical preparation device comprises a chemical tank TK04 and a pump PO4, wherein a discharge port of the chemical tank TK04 is communicated with each reactor device through a chemical conveying pipeline, and the chemical conveying pipeline is provided with the pump PO 4.
The invention also provides a continuous modified starch reaction method, which comprises the following steps:
s1, preparing starch milk: setting parameters of a flowmeter TK01-FT02 according to a formula, starting a program, opening a valve TK01-XV01, adding water into a feeding tank TK01, finishing the water addition, starting stirring, and manually feeding starch into the feeding tank;
s2, preparing dilute alkali: according to a formula, determining the concentration of dilute alkali, firstly setting the concentration of the concentrated alkali and the addition amount of the concentrated alkali V1, starting a program, opening a valve TK02-XV01, metering by a flow meter TK02-FT01, adding water into a dilute alkali tank TK02, after the metering by the flow meter TK02-FT02 is finished, adding the concentrated alkali into the dilute alkali tank TK02, simultaneously starting stirring, finishing timing, finishing the preparation of the dilute alkali, and waiting for use;
s6, preparing dilute acid: determining the concentration of the dilute acid according to a formula, firstly setting the concentration of the concentrated acid and the adding amount of the concentrated acid V2, starting a program, opening a valve TK03-XV01, metering a flow meter TK03-FT01, adding water into a dilute acid tank TK03, metering a flow meter TK03-FT02 after the metering is finished, adding the concentrated acid into the dilute acid tank TK03, simultaneously opening a valve TK03-XV02, starting a pump P03 for circulation, finishing timing, finishing the preparation of the dilute acid and waiting for use;
s4, preparing chemicals: according to the formula, chemicals required by the reaction are added into a chemical tank TK04 according to the dosage;
s5, reaction system: the prepared starch milk is sent into a first-stage reactor device in a continuous reaction module by a pump P01 according to a set flow, the temperature, the pressure and the PH value in the continuous reaction module are recorded, the pump P02 is started according to the formula, and dilute alkali is added into the first-stage reactor device by a mixer to enable the PH value to reach a set value; then starting a pump P04, adding chemicals in a chemical tank TK04 into a first-stage reactor device through a mixer, and controlling the temperature of the device by a temperature raising and lowering mechanism in the reactor device in the reaction process to make the internal temperature meet the formula requirement;
after the reaction of the starch in the first-stage reactor device is finished, sequentially inputting the starch after the reaction into the rest reactor devices in the continuous reaction module, and repeating the reaction process in each reactor device;
s6, neutralization: the pump P07 is started to send the dilute acid in the dilute acid tank TK03 into the reactor device at the last stage through the mixer, so that the pH value inside the reactor device meets the formula requirement, the neutralization is finished, the reactor device enters a pre-washing tank device, and the stirring is started.
S7, washing, dehydrating and drying: and (3) sending the qualified starch milk into a washing, dehydrating and drying device from a tank before washing, washing to remove salt in sequence, and dehydrating and drying by a dehydrating and drying system.
Compared with the prior art, the invention has the beneficial effects that: according to the reactor device, due to the modular structural design, the reactor device can be combined in series to meet the production requirements of different types of modified starch, the starch milk is fed from one side and discharged from the other side, so that the reaction process is continuous, and meanwhile, the reaction is carried out in a closed pipeline, so that the energy loss is reduced, and the increase of bacterial colonies is avoided; meanwhile, the whole reaction system modularly combines a plurality of devices together, so that the whole production process is more continuous, the device has the advantages of modularization and automation, and the production efficiency is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic side view of an inventive modified starch pipeline reactor;
FIG. 2 is a schematic diagram of a top view of an inventive modified starch pipeline reactor;
FIG. 3 is a schematic diagram of the front view of the modified starch pipeline reactor of the invention;
FIG. 4 is a schematic diagram of the structure of a sleeve of the modified starch pipeline reactor of the invention;
FIG. 5 is a schematic view of a portion of the structure of FIG. 1 at A;
FIG. 6 is a schematic view of a portion of the structure of FIG. 2 at B;
FIG. 7 is a schematic view of a portion of the structure of FIG. 4 at c;
FIG. 8 is a schematic diagram of a continuous modified starch reaction system according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a continuous modified starch reaction system, includes reactor device 11, a continuous reaction module is made up to the series connection between a plurality of reactor devices 11, the reactor device 11 that is in the first order in the continuous reaction module is linked together with starch milk preparation facilities 12, every reactor device 11 all is linked together with same dilute alkali preparation facilities 13, chemical preparation facilities 14, the reactor device that is in the last order in the continuous reaction module is linked together with dilute acid preparation facilities 15, wash preceding jar device 16 and wash dewatering drying device 17 and be linked together. The starch milk preparation device 12 comprises a flow meter TK01-FT02, a valve TK01-XV01, a feeding tank TK01 and a pump PO1, wherein the feeding tank TK01 is connected with a water supply device through a first water conveying pipeline, the flow meter TK01-FT02 and the valve TK01-XV01 are sequentially arranged on the first water conveying pipeline, a discharge port of the feeding tank TK01 is communicated with the first-stage reactor device 11 through a starch milk conveying pipeline, and the starch milk conveying pipeline is provided with the pump PO 1.
The dilute alkali preparation device 13 comprises a valve TK02-XV01, a flow meter TK02-FT01, a dilute alkali tank TK02, a flow meter TK02-FT02 and a pump PO2, wherein the dilute alkali tank TK02 is connected with a water supply device through a second water pipeline, the second water pipeline is sequentially provided with a valve TK02-XV01 and a flow meter TK02-FT01, the dilute alkali tank TK02 is further connected with a concentrated alkali supply device through a dilute alkali pipeline, the dilute alkali pipeline is provided with a flow meter TK02-FT02, a discharge port of the dilute alkali tank TK02 is communicated with each reactor device 11 through a dilute alkali conveying pipeline, and the dilute alkali conveying pipeline is provided with a pump PO 2.
The dilute acid preparation device 15 comprises valves TK03-XV01, flow meters TK03-FT01, a dilute acid tank TK03, flow meters TK03-FT02, valves TK03-XV02 and a pump PO3, the dilute acid tank TK03 is connected with a water supply device through a third water conveying pipeline, the third water conveying pipeline is sequentially provided with flow meters TK03-FT01 and TK03-XV01, the dilute acid tank TK03 is further connected with a concentrated acid supply device through an acid conveying pipeline, the acid conveying pipeline is provided with flow meters TK03-FT02, the dilute acid tank TK03 is further provided with a circulating pipeline, the circulating pipeline is sequentially provided with valves TK03-XV02 and a pump P56, a discharge port of the dilute acid tank TK03 is communicated with a reactor device at the last stage in the continuous reaction module through the dilute acid conveying pipeline, and the dilute acid conveying pipeline is provided with a pump PO 7.
The chemical preparation device 14 comprises a chemical tank TK04 and a pump PO4, wherein a discharge port of the chemical tank TK04 is communicated with each reactor device 11 through a chemical conveying pipeline, and the chemical conveying pipeline is provided with a pump PO 4.
The front washing tank device 16 comprises a front washing tank TK05 and a pump PO5, the washing, dewatering and drying device 17 comprises a washing module, a dewatering and drying module and a pump PO6, a discharge port of the front washing tank TK05 is communicated with the washing module through a first conveying pipeline, the first conveying pipeline is provided with the pump PO5, the washing module is communicated with a feed port of the dewatering and drying module through a second conveying pipeline, and the second conveying pipeline is provided with the pump PO 6.
The sleeve pipe reaction module includes sleeve pipe 3, reaction tube 4, elbow 5, the short tee bend of reducing 6, be provided with a plurality of sleeve pipe 3 that are parallel to each other on the 2 subassemblies of support, the short tee bend of reducing 6 of the equal coaxial fixedly connected with in sleeve pipe 3 both ends, equal coaxial the inserting is equipped with a reaction tube 4 in every sleeve pipe 3, the cover is equipped with a shrouding 7 after the both ends of reaction tube 4 are all worn out from the short tee bend of reducing 6 that corresponds, the equal fixed connection of shrouding 7 is on the short tee bend 6 of reducing that corresponds, communicate each other through the short tee bend 6 cooperation first clamp subassembly 8 of reducing between the sleeve pipe 3, communicate each other through a plurality of elbow 5 between the reaction tube 4. After the plurality of sleeves 3 are communicated with each other, the sleeve 3 positioned at the first stage is provided with a reducing short tee 6 which is not connected, the connecting port on the sleeve 3 is used as an inlet N1, the sleeve 3 positioned at the last stage is provided with a reducing short tee 6 which is not connected, and the connecting port on the sleeve 3 is used as an outlet N4; after the reaction tubes 4 are communicated with each other, the reaction tube 4 located at the first stage is left without connection at a port thereof as a starch inlet N3, and the reaction tube 4 located at the last stage is left without connection at a port thereof as an outlet starch N4 (see fig. 3).
The reaction tube 4 is an internal polished sanitary tube. The sleeve 3, the reaction tube 4, the reducing short tee 6 and the elbow 5 are all made of 304 stainless steel. The polishing pipe health does not have the dead angle in the stainless steel, and this kind of pipe can also effectively resist wear, anti-cracking, and can not play chemical reaction with general acid-base salt, and the chemical corrosion resistant function is very excellent, and the impact toughness of pipe is relatively good, and the gentle function of data is very excellent, and the sealing washer becomes to insert the linking, and the leakproofness is excellent, can not produce basically and reveal. The surface of the sleeve 3 is sprayed with a heat insulation material. The thermal insulation material can reduce the loss of fluid heat in the casing 3, thereby reducing energy consumption.
The invention also provides a continuous modified starch reaction method, which comprises the following steps:
s1, preparing starch milk: setting parameters of a flowmeter TK01-FT02 according to a formula, starting a program, opening a valve TK01-XV01, adding water into a feeding tank TK01, finishing the water addition, starting stirring, and manually feeding starch into the feeding tank;
s2, preparing dilute alkali: according to the formula, determining the concentration of dilute alkali to be 4.2%, firstly setting the concentration of the concentrated alkali and the addition amount of the concentrated alkali to be V1, starting a program, opening a valve TK02-XV01, metering a flow meter TK02-FT01, adding water into a dilute alkali tank TK02, after the metering is finished, metering a flow meter TK02-FT02, adding the concentrated alkali into the dilute alkali tank TK02, simultaneously starting stirring, finishing timing, finishing the preparation of the dilute alkali, and waiting for use;
s3, preparing dilute acid: according to a formula, determining the concentration of dilute acid to be 10%, firstly setting the concentration of the concentrated acid and the adding amount of the concentrated acid to be V2, starting a program, opening a valve TK03-XV01, metering a flow meter TK03-FT01, adding water into a dilute acid tank TK03, metering a flow meter TK03-FT02 after the metering is finished, adding the concentrated acid into the dilute acid tank TK03, simultaneously opening a valve TK03-XV02, starting a pump P03 for circulation, finishing timing, finishing the preparation of the dilute acid and waiting for use;
s4, preparing chemicals: according to the formula, chemicals required by the reaction are added into a chemical tank TK04 according to the dosage;
s5, reaction system: the prepared starch milk is sent into the reactor device 11 at the first stage in the continuous reaction module by a pump P01 according to a set flow, the temperature, the pressure and the PH value in the reactor device are recorded at the same time, the pump P02 is started according to the formula, and dilute alkali is added into the reactor device 11 at the first stage by a mixer to enable the PH value to reach a set value; then starting a pump P04, adding chemicals in a chemical tank TK04 into the first-stage reactor device 11 through a mixer, and controlling the temperature of the device by a temperature raising and lowering mechanism in the reactor device in the reaction process to make the internal temperature meet the formula requirement;
after the reaction of the starch in the first-stage reactor device 11 is completed, the reacted starch is sequentially input into the remaining reactor devices 11 in the continuous reaction module, and the reaction process is repeated in each reactor device 11;
s6, neutralization: the pump P07 is started to send the dilute acid in the dilute acid tank TK03 into the reactor device 11 at the last stage through the mixer, so that the pH value inside the reactor device meets the formula requirement, the neutralization is finished, the reactor device enters the pre-washing tank device 16, and the stirring is started.
S7, washing, dehydrating and drying: and the starch milk qualified in reaction is sent into a washing module from a pre-washing tank TK05 through a pump P05 for washing, the salt is removed, and then the starch milk is sent into a dehydration drying module through a pump P06 for dehydration and drying.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a serialization modified starch reaction system, includes reactor device (11), its characterized in that, a plurality of it makes up into a continuous reaction module to establish ties between reactor device (11), reactor device (11) that is in the first order among the continuous reaction module is linked together with starch milk preparation facilities (12), every reactor device (11) all are linked together with same dilute alkali preparation facilities (13), chemicals preparation facilities (14), the reactor device that is in the last order among the continuous reaction module is linked together with dilute acid preparation facilities (15), preceding jar device (16) of washing are linked together with washing dehydration drying device (17).
2. The continuous modified starch reaction system according to claim 1, wherein: the reactor device (11) comprises a support component and a sleeve reaction module, the support component is provided with the sleeve reaction module, the sleeve reaction module comprises sleeves (3), reaction tubes (4), elbows (5), reducing short tee joints (6), sealing plates (7) and first clamp assemblies (8), the support component is provided with a plurality of mutually parallel sleeves (3), both ends of each sleeve (3) are coaxially and fixedly connected with one reducing short tee joint (6), each sleeve (3) is internally and coaxially inserted with one reaction tube (4), both ends of each reaction tube (4) are sleeved with one sealing plate (7) after penetrating out of the corresponding reducing short tee joint (6), the sealing plates (7) are fixedly connected on the corresponding reducing short tee joints (6), and the sleeves (3) are mutually communicated through the reducing short tee joints (6) matched with the first clamp assemblies (8), the reaction tubes (4) are communicated with each other through a plurality of elbows (5).
3. The continuous modified starch reaction system according to claim 1, wherein: the starch milk preparation device (12) comprises a flow meter TK01-FT02, a valve TK01-XV01, a feeding tank TK01 and a pump PO1, wherein the feeding tank TK01 is connected with a water supply device through a first water conveying pipeline, the flow meter TK01-FT02 and the valve TK01-XV01 are sequentially arranged on the first water conveying pipeline, a discharge port of the feeding tank TK01 is communicated with a first-stage reactor device (11) through a starch milk conveying pipeline, and the starch milk conveying pipeline is provided with the pump PO 1.
4. The continuous modified starch reaction system according to claim 3, wherein: the dilute alkali preparation device (13) comprises a valve TK02-XV01, a flow meter TK02-FT01, a dilute alkali tank TK02, a flow meter TK02-FT02 and a pump PO2, the dilute alkali tank TK02 is connected with a water supply device through a second water conveying pipeline, the second water conveying pipeline is sequentially provided with a valve TK02-XV01 and a flow meter TK02-FT01, the dilute alkali tank TK02 is further connected with a concentrated alkali supply device through a dilute alkali conveying pipeline, the dilute alkali conveying pipeline is provided with a flow meter TK02-FT02, a discharge port of the dilute alkali tank TK02 is communicated with each reactor device (11) through a dilute alkali conveying pipeline, and the dilute alkali conveying pipeline is provided with a pump PO 2.
5. The continuous modified starch reaction system according to claim 4, wherein: the dilute acid preparation device (15) comprises a valve TK03-XV01, a flow meter TK03-FT01, a dilute acid tank TK03, a flow meter TK03-FT02, a valve TK03-XV02 and a pump PO3, wherein the dilute acid tank TK03 is connected with a water supply device through a third water pipeline, the third water pipeline is sequentially provided with a TK03-FT01 and a valve TK03-XV01, the dilute acid tank TK03 is further connected with a concentrated acid supply device through an acid pipeline, the acid pipeline is provided with the flow meter TK03-FT02, the dilute acid tank TK03 is further provided with a circulating pipeline, the circulating pipeline is sequentially provided with the valves TK03-XV02 and the pump P03, a discharge port of the dilute acid tank TK03 is communicated with a reactor device (11) at the last stage in the continuous reaction module through the dilute acid conveying pipeline, and the dilute acid conveying pipeline is provided with the pump PO 7.
6. The continuous modified starch reaction system according to claim 5, wherein: the chemical preparation device (14) comprises a chemical tank TK04 and a pump PO4, wherein a discharge port of the chemical tank TK04 is communicated with each reactor device (11) through a chemical conveying pipeline, and the chemical conveying pipeline is provided with a pump PO 4.
7. The continuous modified starch reaction method of the continuous modified starch reaction system according to claim 6, comprising the steps of:
s1, preparing starch milk: setting parameters of a flowmeter TK01-FT02 according to a formula, starting a program, opening a valve TK01-XV01, adding water into a feeding tank TK01, finishing the water addition, starting stirring, and manually feeding starch into the feeding tank;
s2, preparing dilute alkali: according to a formula, determining the concentration of dilute alkali, firstly setting the concentration of the concentrated alkali and the addition amount of the concentrated alkali V1, starting a program, opening a valve TK02-XV01, metering by a flow meter TK02-FT01, adding water into a dilute alkali tank TK02, after the metering by the flow meter TK02-FT02 is finished, adding the concentrated alkali into the dilute alkali tank TK02, simultaneously starting stirring, finishing timing, finishing the preparation of the dilute alkali, and waiting for use;
s3, preparing dilute acid: determining the concentration of the dilute acid according to a formula, firstly setting the concentration of the concentrated acid and the adding amount of the concentrated acid V2, starting a program, opening a valve TK03-XV01, metering a flow meter TK03-FT01, adding water into a dilute acid tank TK03, metering a flow meter TK03-FT02 after the metering is finished, adding the concentrated acid into the dilute acid tank TK03, simultaneously opening a valve TK03-XV02, starting a pump P03 for circulation, finishing timing, finishing the preparation of the dilute acid and waiting for use;
s4, preparing chemicals: according to the formula, chemicals required by the reaction are added into a chemical tank TK04 according to the dosage;
s5, reaction system: the prepared starch milk is sent into a first-stage reactor device (11) in a continuous reaction module by a pump P01 according to a set flow, the temperature, the pressure and the PH value in the continuous reaction module are recorded, the pump P02 is started according to the formula, and dilute alkali is added into the first-stage reactor device (11) through a mixer to enable the PH value to reach a set value; then starting a pump P04, adding chemicals in a chemical tank TK04 into a first-stage reactor device (11) through a mixer, and controlling the temperature of the device by a temperature raising and lowering mechanism in the reactor device (11) in the reaction process to make the internal temperature meet the formula requirement;
after the reaction of the starch in the first-stage reactor device (11) is finished, the starch after the reaction is sequentially input into the rest reactor devices (11) in the continuous reaction module, and the reaction process is repeated in each reactor device (11);
s6, neutralization: the pump P07 is started to send the dilute acid in the dilute acid tank TK03 into the reactor device (11) at the last stage through the mixer, so that the pH value inside the reactor device meets the formula requirements, the neutralization is finished, the reactor device enters a pre-washing tank device (16), and the stirring is started.
S7, washing, dehydrating and drying: and the starch milk qualified in reaction is sent into a washing dehydration drying device (17) from a pre-washing tank device (16), sequentially washed to remove salt, and then dehydrated and dried by a dehydration drying system.
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