CN112852622B - Saccharification equipment and saccharification method - Google Patents
Saccharification equipment and saccharification method Download PDFInfo
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- CN112852622B CN112852622B CN202110165386.1A CN202110165386A CN112852622B CN 112852622 B CN112852622 B CN 112852622B CN 202110165386 A CN202110165386 A CN 202110165386A CN 112852622 B CN112852622 B CN 112852622B
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- C12M33/00—Means for introduction, transport, positioning, extraction, harvesting, peeling or sampling of biological material in or from the apparatus
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
- C12M41/18—Heat exchange systems, e.g. heat jackets or outer envelopes
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
- C12M41/12—Means for regulation, monitoring, measurement or control, e.g. flow regulation of temperature
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- C12M41/00—Means for regulation, monitoring, measurement or control, e.g. flow regulation
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- C12M45/00—Means for pre-treatment of biological substances
- C12M45/20—Heating; Cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The invention provides saccharification equipment and a saccharification method, wherein the saccharification equipment comprises a material mixing tank, a liquefying device, a laminar flow column, a saccharification tank, a hot water tank and a cold water tank which are sequentially connected in series; the material proportioning tank is a device for proportioning saccharifying raw materials, the raw materials complete the gelatinization process in the material proportioning tank, the gelatinized materials complete liquefaction in the liquefaction device, the laminar flow column radiates heat and cools the liquefied materials into the saccharification tank, the saccharification tank is a device for saccharifying the liquefied materials, the cold water tank and the hot water tank form a temperature control tank, the material proportioning tank, the liquefaction device and the saccharification tank are heated through the hot water tank, and the temperature of the gelatinization, liquefaction and saccharification processes is controlled through the cooling of the cold water tank. The saccharification equipment and the saccharification method are beneficial to controlling the production process in real time, can combine with the actual production control requirement, and improve the yield of the saccharified extract through heating, stirring and flow control, ensure the saccharification effect, improve the production efficiency and reduce the energy consumption.
Description
Technical Field
The invention belongs to the field of process control, and particularly relates to saccharification equipment and a saccharification method.
Background
Saccharification, the process of hydrolysis of starch into sweet products, is the primary process of starch sugar manufacturing processes, and is the primary process of many intermediates in food fermentation processes. Methods of saccharification, depending on the sweetness and corresponding physicochemical properties of the desired product, fall into three general categories: acid method, enzyme method, and acid enzyme combination method.
The traditional manual operation method can introduce impurities again due to artificial factors, is difficult to ensure the quality requirement, and cannot monitor and control the production process on line in real time.
Disclosure of Invention
The invention aims to provide saccharification equipment and a saccharification method, which can combine actual production control requirements, ensure saccharification effect and improve production efficiency.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the saccharification equipment comprises a batching tank, a liquefying device, a laminar flow column, a saccharification tank, a hot water tank, a cold water tank, a control device, a valve and a pipeline which are sequentially connected in series; the liquefying device comprises a steam injector, a liquefying tube group, a gas-liquid separation tank, a buffer tank and a liquefying pump which are sequentially connected in series; the hot water tank and the cold water tank form a temperature control tank which is used for supplying heat or cooling to the material mixing tank, the liquefying device and the saccharification tank; the control device comprises an acquisition and control unit, a PLC and a human-computer interface, wherein the acquisition and control unit is electrically connected with the PLC; the collection and control unit comprises a hot water tank temperature sensor and a hot water tank electric heater which are arranged in a hot water tank, a batching tank temperature sensor and a batching tank stirring motor which are arranged in a batching tank, a batching tank temperature control valve which is arranged on a connecting pipeline of the batching tank and the hot water tank and a cold water tank, a variable frequency batching pump and a flowmeter which are arranged on a connecting pipeline of the batching tank and a liquefying device, a steam injector proportional valve which is arranged on a steam inlet pipeline of a steam injector, a liquefying pipe group temperature sensor which is arranged in a liquefying pipe group, a gas-liquid separation tank temperature sensor which is arranged in a gas-liquid separation tank, a gas-liquid separation tank water inlet valve which is arranged on a connecting pipeline of the gas-liquid separation tank and the hot water tank, a gas-liquid separation tank emptying valve which is arranged on a connecting pipeline of the gas-liquid separation tank and the buffer tank, a saccharification tank temperature sensor and a saccharification tank stirring motor which are arranged in a saccharification tank, a saccharification tank valve which is arranged on a connecting pipeline of the saccharifying tank and the hot water tank and a saccharification tank, and a saccharification tank emptying valve which is arranged on a discharging pipeline of the saccharifying tank.
A hot water tank stirring motor is arranged in the hot water tank, and a hot water tank liquid level low-limit sensor and a hot water tank liquid level high-limit sensor are arranged on the inner wall of the hot water tank; the water outlet pipeline at the bottom of the hot water tank is divided into two paths, one path is an emptying pipeline, a hot water tank emptying valve is arranged on the emptying pipeline, the other path is a heat supply pipeline, a hot water tank water outlet valve and a hot water temperature control pump are arranged on the heat supply pipeline, and the heat supply pipeline is connected with the material mixing tank, the liquefying device and the saccharification tank; the steam inlet of the hot water tank is connected with the steam pipeline and is provided with a hot water tank steam proportional valve.
The inner wall of the cold water tank is provided with a cold water tank liquid level low-limit sensor and a cold water tank liquid level high-limit sensor; the water inlet pipe of the cold water tank is provided with a cold water tank water inlet valve, the water outlet pipe at the bottom of the cold water tank is divided into two paths, one path is an emptying pipe, the emptying pipe is provided with a cold water tank emptying valve, the other path is a cooling pipe, the cooling pipe is provided with a cold water temperature control pump and a cold water tank water outlet valve, and the cooling pipe is connected with the batching tank and the saccharification tank.
The outer layers of the proportioning tank and the saccharification tank are respectively provided with a heat-preserving jacket, the bottom of the heat-preserving jacket is provided with a water inlet, the top of the heat-preserving jacket is provided with an overflow port, the water inlet of the heat-preserving jacket is respectively connected with the water outlet pipelines of the hot water tank and the cold water tank through pipelines, and the overflow port of the heat-preserving jacket is connected with the circulating water inlet at the top of the hot water tank through the pipelines.
The outer layer of the gas-liquid separation tank is provided with a heat preservation jacket, the bottom of the heat preservation jacket is provided with a water inlet, the top of the heat preservation jacket is provided with an overflow port, the heat preservation jacket is also provided with a steam inlet, the water inlet of the heat preservation jacket is connected with a water outlet pipeline of the hot water tank through a pipeline, the overflow port of the heat preservation jacket is connected with a circulating water inlet at the top of the hot water tank through a pipeline, and the steam inlet of the heat preservation jacket is connected with the steam pipeline and is provided with a gas-liquid separation tank steam proportional valve.
The laminar flow column is formed by connecting a plurality of heat exchangers in series, a laminar flow column emptying valve is arranged at the bottom of each heat exchanger, and a laminar flow column temperature sensor is arranged in the last heat exchanger.
The liquefying tube group is formed by connecting a plurality of snake-shaped bent tubes in series.
A saccharification method based on the saccharification equipment comprises the following steps of:
1) Gelatinization
Adding raw materials into a batching tank, opening an electric heater of a hot water tank to heat, starting a water outlet valve of the hot water tank, a hot water temperature control pump and a temperature control valve of the batching tank, waiting for the temperature to reach a set temperature, opening a stirring motor of the batching tank, heating starch to gelatinize, controlling the gelatinization temperature, and entering the next step after the gelatinization time is reached;
2) Liquefaction process
Setting flow, feeding the gelatinized material into a liquefaction pipe group through a variable-frequency proportioning pump, heating the liquefaction pipe group through a steam injector, enabling the gelatinized material to complete first liquefaction in the liquefaction pipe group, then entering a gas-liquid separation tank, heating the gas-liquid separation tank through hot water and steam in the hot water tank, enabling the material to complete second liquefaction and enzyme deactivation in the gas-liquid separation tank, and then entering a buffer tank;
3) Saccharification
And (3) starting a liquefaction pump, cooling the liquefied material through a laminar flow column, entering a saccharification tank, and controlling the saccharification temperature through a saccharification tank temperature control valve until the saccharification process is completed by the catalysis of the saccharifying enzyme.
The saccharification temperature is controlled to be 60-65 ℃ in the step 3).
Compared with the prior art, the invention has the beneficial effects that:
the saccharification equipment provided by the invention comprises a proportioning tank, a liquefying device, a laminar flow column, a saccharification tank, a hot water tank, a cold water tank and a control device, wherein the proportioning tank is a device for proportioning saccharifying raw materials, the raw materials complete the gelatinization process in the proportioning tank, the gelatinized materials complete liquefaction in the liquefying device, the laminar flow column radiates heat and cools the liquefied materials into the saccharification tank, the saccharification tank is a device for saccharifying the liquefied materials, the cold water tank and the hot water tank form a temperature control tank, the proportioning tank, the liquefying device and the saccharification tank are heated through the hot water tank, and the temperature of the proportioning tank and the saccharification tank is controlled through the cooling of the cold water tank. According to the saccharification equipment and the saccharification method, the four tank bodies of the refrigeration water tank, the hot water tank, the material mixing tank and the saccharification tank, the liquefaction pipe group and the laminar flow column, and all the pumps, the valves and the stirring motor are controlled by the control device, so that the actual production control requirements can be combined, the saccharification effect is ensured, the production efficiency is improved, the online monitoring and the real-time control of the production process are facilitated, the introduction of impurities by human factors is avoided as far as possible, and the product quality is ensured; through heating, stirring and flow control, the optimal temperature of the ingredients and the substances can be completed, so that a plurality of insoluble substances are converted into soluble substances under the action of enzymes to be dissolved out, wort meeting the requirements is prepared, the yield of saccharified extract is improved, the production efficiency is improved, and the energy consumption is reduced.
Drawings
FIG. 1 is a schematic view of a saccharification apparatus provided by the present invention;
FIG. 2 is a basic flow chart of the saccharification process provided by the present invention;
FIG. 3 is a flow chart of a specific process of the saccharification method of the invention;
FIG. 4 is a flow chart of a temperature control preparation in the saccharification process of the invention;
FIG. 5 is a diagram showing a digital input/output circuit in the saccharification apparatus and saccharification method of the invention;
FIG. 6 is a circuit diagram of a three-phase asynchronous motor in the saccharification apparatus and saccharification method of the invention;
FIG. 7 is a schematic diagram of an analog input circuit in the saccharification apparatus and saccharification method of the invention;
FIG. 8 is a schematic diagram showing an analog output circuit in the saccharification apparatus and saccharification method of the present invention.
Wherein: v0: a cold water tank water inlet valve; v1: a water outlet valve of the hot water tank; v2: a hot water tank drain valve; v3: a hot water inlet valve of the gas-liquid separation tank; v4: a water outlet valve of the cold water tank; v5: an empty valve of the cold water tank; v6: a dosing tank temperature control valve; v7: a saccharification tank temperature control valve; V8-V11: a laminar flow column evacuation valve; v12: a saccharification tank evacuation valve; v13: an exhaust valve of the gas-liquid separation tank; 1 is a low limit sensor of the liquid level of the hot water tank; 2 is a liquid level high-limit sensor of the hot water tank; 3 is an electric heater of the hot water tank; 4 is a stirring motor of the hot water tank; 5 is a hot water tank temperature sensor; 6 is a cold water tank liquid level high limit sensor; 7 is a cold water tank liquid level low limit sensor; 8 is a stirring motor of the batching tank; 9 is a batching tank temperature sensor; 10 is a steam injector; 11 is a flow meter; 12 is a liquified pipe temperature sensor; 13 is a gas-liquid separation tank temperature sensor; 14 is a saccharification tank stirring motor; 15 is a laminar flow column temperature sensor; 16 is a saccharification tank temperature sensor; 17 is a hot water tank; 18 is a cold water tank; 19 is a dosing tank; 20 is a gas-liquid separation tank; 21 is a buffer tank; 22 is a set of liquefaction tubes; 23 is a laminar flow column; 24 is a saccharification tank; p1: a hot water temperature controlled pump; p2: a liquefaction pump; p3: a cold water temperature control pump; p4: variable frequency dispensing pump; h1: a hot water tank steam proportional valve; h2: a steam injector proportional valve; and H3: a vapor proportional valve of a gas-liquid separation tank.
Description of the embodiments
The invention is further illustrated in the following examples, which are intended to be illustrative of the invention and not to be limiting of the scope of the invention, and various equivalent modifications to the invention are intended to be included within the scope of the claims of the invention by those skilled in the art.
Referring to fig. 1, the saccharification equipment provided by the invention comprises a batching tank 19, a liquefying device, a laminar flow column 23, a saccharification tank 24, a hot water tank 17, a cold water tank 18, a control device, a valve and a pipeline which are sequentially connected in series.
The hot water tank 17 is a temperature control heating device, the hot water tank 17 is heated by adopting water vapor and the hot water tank electric heater 3 to be matched with each other, the hot water tank is provided with the hot water tank stirring motor 4 to ensure that tap water is heated uniformly, the hot water tank inner wall is provided with the hot water tank liquid level low limit sensor 1 and the hot water tank liquid level high limit sensor 2 for liquid level detection, and the hot water tank is internally provided with the hot water tank temperature sensor 5 for detecting water temperature. The upper and lower parts of the hot water tank are provided with a hot water temperature control pump P1, a valve and a pipeline for controlling the outflow and the reflux of hot water. The top of the hot water tank 17 is provided with a circulating water inlet (A position of the hot water tank in figure 1), the water outlet pipeline at the bottom of the hot water tank 17 is divided into two paths, one path is an emptying pipeline, the emptying pipeline is provided with a hot water tank emptying valve V2, the other path is a heating pipeline, and the heating pipeline is provided with a hot water tank water outlet valve V1 and a hot water temperature control pump P1; the steam inlet of the hot water tank 17 is connected with a steam pipeline and is provided with a hot water tank steam proportional valve H1.
The cold water tank 18 is a temperature control and temperature reduction device, tap water is added into the cold water tank 18, a cold water tank water inlet valve V0 is arranged on a water inlet pipe of the cold water tank 18, and a cold water tank liquid level low-limit sensor 7 and a cold water tank liquid level high-limit sensor 6 are arranged on the inner wall of the cold water tank 18 and used for liquid level detection. A cold water temperature control pump P3, a valve and a pipe are provided at the lower portion of the cold water tank 18 for controlling outflow of cold water. The water outlet pipeline at the bottom of the cold water tank 18 is divided into two paths, one path is an emptying pipeline, a cold water tank emptying valve V5 is arranged on the emptying pipeline, the other path is a cooling pipeline, and a cold water temperature control pump P3 and a cold water tank water outlet valve V4 are arranged on the cooling pipeline.
The cold water tank 18 and the hot water tank 17 form a temperature control tank, the temperature control tank is heated by the hot water tank 17, and the temperature is reduced by the cold water tank 18. The hot water tank 17 is mainly heated by the water heater electric heater 3, and a steam heating device is arranged at the bottom of the hot water tank 17 in order to ensure the heating rapidity.
The proportioning tank 19 is a device for proportioning saccharified raw materials, the outer layer of the proportioning tank 19 is provided with a circle of heat-preserving jacket, the heat-preserving jacket is filled with water from the lower part to control the temperature, a water inlet pipeline of the heat-preserving jacket is connected with a heating pipeline and a cooling pipeline, a proportioning tank temperature control valve V6 is arranged on the water inlet pipeline, and hot water overflows back into the hot water tank 17 from an overflow port (A position of the proportioning tank in fig. 1) at the upper part after entering the heat-preserving jacket for cyclic heating. A dosing tank temperature sensor 9 is arranged in the dosing tank 19 for measuring the temperature. A batching tank stirring motor 8 is arranged in the batching tank 19 to ensure the uniformity of raw materials. The raw material in the batching tank 19 completes the gelatinization process, in which the starch swells by heat absorbing water, is released from the cell walls, breaks the crystalline structure and forms a gel. A variable frequency dosing pump P4, a flow meter 11, valves and pipes are provided at the bottom of the dosing tank 19 for delivering the dosed material to the next step. The discharge gate of batching jar 19 bottom links to each other with frequency conversion proportioning pump P4, and the export of frequency conversion proportioning pump P4 links to each other with the feed inlet of steam injector 10 in the liquefying plant, and flowmeter 11 sets up on the pipeline between frequency conversion proportioning pump P4 and steam injector 10.
The liquefying device is composed of a steam injector 10, a liquefying tube group 22, a gas-liquid separation tank 20, a buffer tank 21 and a liquefying pump P2 which are sequentially arranged in series. The steam injector 10 is a heating device for injecting the gelatinized material into the liquefaction pipe group 22 by using steam, and a steam inlet of the steam injector 10 is connected with a steam pipeline and is provided with a steam injector proportional valve H2. The liquefaction pipe group 22 is formed by connecting a plurality of groups (five groups in fig. 1) of serpentine bent pipes in series, the liquefaction pipe group 22 is provided with the liquefaction pipe group temperature sensor 12, and the gelatinized material is liquefied for the first time in the liquefaction pipe group 22 and then enters the gas-liquid separation tank 20. The outer layer of the gas-liquid separation tank 20 is provided with a heat preservation jacket, hot water and steam of the hot water tank are used for further heating, and the hot water overflows back into the hot water tank 17 from an overflow port (A position of the gas-liquid separation tank in fig. 1) at the upper part after entering the heat preservation jacket for cyclic heating. The gelatinized material is subjected to the second liquefaction and enzyme deactivation in the gas-liquid separation tank 20. The water inlet pipeline of the heat preservation jacket of the gas-liquid separation tank 20 is connected with a heat supply pipeline, a gas-liquid separation tank hot water inlet valve V3 is arranged on the water inlet pipeline, a steam inlet is further arranged on the heat preservation jacket of the gas-liquid separation tank 20, and the steam inlet is connected with the steam pipeline and is provided with a gas-liquid separation tank steam proportional valve H3 for further heating. The gas-liquid separation tank 20 is internally provided with a gas-liquid separation tank temperature sensor 13, the top of the gas-liquid separation tank 20 is provided with an exhaust port, and materials in the gas-liquid separation tank 20 enter a buffer tank 21 after being liquefied for the second time and then enter a laminar flow column 23 through a liquefaction pump P2. A gas-liquid separation tank emptying valve V13 is arranged on a pipeline between the gas-liquid separation tank 20 and the buffer tank 21. The gelatinized material is liquefied in a liquefying device, and the starch forms high-viscosity gel after being heated continuously, so that the long chain of the starch is broken into short chain, and the viscosity is reduced rapidly.
The laminar flow column 23 consists of a plurality of heat exchangers (four in fig. 1) which are sequentially connected in series, and the laminar flow column is used for cooling the liquefied material by heat dissipation and entering the saccharification tank 24. The bottom of each heat exchanger is provided with a laminar flow column emptying valve V8-V11, and the last heat exchanger is internally provided with a laminar flow column temperature sensor 15.
The temperature control sizes of the batching tank 19, the gas-liquid separation tank 20 and the saccharification tank 24 can be set according to the actual use requirements of users.
The saccharification tank 24 is a device for saccharifying liquefied materials, the outer layer of the saccharification tank 24 is provided with a circle of heat-preserving jacket, the heat-preserving jacket is filled with water from the lower part to control the temperature, a water inlet pipeline of the heat-preserving jacket is connected with a heat supply pipeline and a cooling pipeline, a saccharification tank temperature control valve V7 is arranged on the water inlet pipeline, and hot water overflows back into the hot water tank 17 from an overflow port (A position of the saccharification tank in fig. 1) at the upper part after entering the heat-preserving jacket for cyclic heating. A saccharification tank agitation motor 14 is provided in the saccharification tank 24 to ensure that the liquefied material is uniform. The saccharification tank 24 is internally provided with a saccharification tank temperature sensor 16 for controlling the temperature until the saccharification process is completed by the catalysis of the saccharifying enzyme, and a saccharification tank emptying valve V12 and a pipeline are arranged at the lower part of the saccharification tank 24 and are used for collecting the saccharified materials.
The control device comprises an acquisition and control unit, a reach PLC and a Kunlun on-state MCGS human-machine interface (HMI), wherein the acquisition and control unit is electrically connected with the reach PLC through a communication cable; the control device mainly comprises four tank bodies of a cold water tank, a hot water tank, a material mixing tank and a saccharification tank, a liquefying pipe group, a laminar flow column, all pumps, valves, a stirring motor and the like. The collecting and controlling unit can be specifically divided into a collecting unit and a controlling unit, wherein the collecting unit comprises all temperature sensors, namely a hot water tank liquid level low limit sensor 1, a hot water tank liquid level high limit sensor 2, a hot water tank temperature sensor 5, a cold water tank liquid level high limit sensor 6, a cold water tank liquid level low limit sensor 7, a batching tank temperature sensor 9, a flowmeter 11, a liquefied pipe temperature sensor 12, a gas-liquid separation tank temperature sensor 13, a laminar flow column temperature sensor 15 and a saccharification tank temperature sensor 16. The control unit controls all pumps, valves and stirring motors to work, namely a cold water tank water inlet valve V0, a hot water tank water outlet valve V1, a hot water tank emptying valve V2, a gas-liquid separation tank water inlet valve V3, a cold water tank water outlet valve V4, a cold water tank emptying valve V5, a batching tank temperature control valve V6, a saccharification tank temperature control valve V7, laminar flow column emptying valves V8-V11, a saccharification tank emptying valve V12, a gas-liquid separation tank emptying valve V13, a hot water tank electric heater 3, a hot water tank stirring motor 4, a batching tank stirring motor 8, a steam injector 10, a saccharification tank stirring motor 14, a hot water temperature control pump P1, a liquefaction pump P2, a cold water temperature control pump P3, a variable frequency batching pump P4, a hot water tank steam proportional valve H1, a steam injector proportional valve H2 and a gas-liquid separation tank steam proportional valve H3.
The digital input/output circuit of the control device is shown in fig. 5, the three-phase asynchronous motor circuit is shown in fig. 6, the analog input circuit is shown in fig. 7, and the analog output circuit is shown in fig. 8.
The process flow of the saccharification method provided by the invention is shown in fig. 2 and 3, and specifically comprises the following steps:
(1) Gelatinization (temperature-controlled heating of hot water tank 17, cold water tank 18);
raw materials are added into the batching tank 19, after the raw materials are fed and the temperature control preparation work is completed (the temperature control flow is shown in fig. 4), the temperature is raised and heated, a hot water tank water outlet valve V1, a hot water temperature control pump P1 and a batching tank temperature control valve V6 are opened, the temperature reaches the set temperature, the heat preservation jacket water of the batching tank 19 can automatically overflow back into the hot water tank 17, the batching tank stirring motor 8 is opened for ensuring that the raw materials are heated uniformly, and the starch is heated and gelatinized. And controlling the temperature and waiting for the next action.
(2) Liquefaction (continued warming/liquefaction/gas-liquid separation);
after the gelatinization is completed, a required flow rate is set, the liquefaction pipe group 22 is fed by the variable frequency dosing pump P4, heating is continued by the steam injector 10, and the gelatinized material is liquefied for the first time in the liquefaction pipe group 22 and then enters the gas-liquid separation tank. The outer layer of the gas-liquid separation tank 20 is provided with a heat preservation jacket, the heat water and steam of the hot water tank 17 are used for further heating, and the gelatinized material is liquefied and deactivated for the second time in the gas-liquid separation tank 20 and then enters the buffer tank 21. Waiting for the next action.
(3) Saccharification (cooling, saccharification).
The liquefying pump P2 is turned on, and the liquefied material is cooled by the laminar flow column 23 and enters the saccharification tank 24. The periphery of the saccharification tank 24 is provided with a heat-insulating jacket, the temperature of the saccharification tank 24 is controlled by the hot water tank 17 and the cold water tank 18, and the upper end of the heat-insulating jacket of the saccharification tank 24 is provided with an overflow port and automatically flows back into the hot water tank 17. The saccharification temperature approaches 63℃to give the highest fermentable sugars. The temperature is controlled until the saccharification process is completed by the catalysis of the saccharifying enzyme, and a valve and a pipeline are arranged at the lower part of the saccharifying tank 24 and are used for collecting the saccharified material.
The saccharification equipment and the saccharification method are used in a saccharification system link, can complete batching and adjusting the optimal temperature of substances through heating, stirring and flow control, so that a plurality of insoluble substances are converted into soluble substances under the action of enzymes to be dissolved out, and wort meeting the requirements is prepared, the yield of saccharification extract is improved, the production efficiency is improved, and the energy consumption is reduced.
The foregoing description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any simple modification, variation and equivalent structural transformation of the above embodiment according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (6)
1. A saccharification apparatus characterized by: comprises a batching tank (19), a liquefying device, a laminar flow column (23) and a saccharification tank (24) which are sequentially connected in series, and also comprises a hot water tank (17), a cold water tank (18), a control device, a valve and a pipeline; the liquefying device comprises a steam injector (10), a liquefying tube group (22), a gas-liquid separation tank (20), a buffer tank (21) and a liquefying pump (P2) which are sequentially connected in series; the hot water tank (17) and the cold water tank (18) form a temperature control tank which is used for supplying heat or cooling to the batching tank (19), the liquefying device and the saccharification tank (24); the control device comprises an acquisition and control unit, a PLC and a human-computer interface, wherein the acquisition and control unit is electrically connected with the PLC; the collecting and controlling unit comprises a hot water tank temperature sensor (5) and a hot water tank electric heater (3) which are arranged in a hot water tank (17), a batching tank temperature sensor (9) and a batching tank stirring motor (8) which are arranged in a batching tank (19), a batching tank temperature control valve (V6) which is arranged on a connecting pipeline of the batching tank (19) and the hot water tank (17) and a cold water tank (18), a variable frequency batching pump (P4) and a flowmeter (11) which are arranged on a connecting pipeline of the batching tank (19) and a liquefying device, a steam injector proportional valve (H2) which is arranged on a steam inlet pipeline of a steam injector (10), a liquefying pipe group temperature sensor (12) which is arranged in a liquefying pipe group (22), a gas-liquid separating tank temperature sensor (13) which is arranged in a gas-liquid separating tank (20), a gas-liquid separating tank hot water inlet valve (V3) which is arranged on a connecting pipeline of the gas-liquid separating tank (20) and the hot water tank (17), a gas-liquid separating tank (20) and a water inlet valve (V3) which is arranged on a connecting pipeline of the liquefying motor, a saccharification valve (24) which is arranged on a pipeline of the gas-liquid separating tank (20) and the liquefying pipe (21) is arranged on a saccharifying tank (14) and a saccharifying tank (24) which is arranged in the connecting pipeline of the saccharifying tank (18), and a saccharification tank emptying valve (V12) arranged on the discharge pipeline of the saccharification tank (24); a hot water tank stirring motor (4) is arranged in the hot water tank (17), and a hot water tank liquid level low-limit sensor (1) and a hot water tank liquid level high-limit sensor (2) are arranged on the inner wall of the hot water tank (17); the water outlet pipeline at the bottom of the hot water tank (17) is divided into two paths, one path is an emptying pipeline, a hot water tank emptying valve (V2) is arranged on the emptying pipeline, the other path is a heating pipeline, a hot water tank water outlet valve (V1) and a hot water temperature control pump (P1) are arranged on the heating pipeline, and the heating pipeline is connected with a batching tank (19), a liquefying device and a saccharification tank (24); the steam inlet of the hot water tank (17) is connected with a steam pipeline and is provided with a hot water tank steam proportional valve (H1); the inner wall of the cold water tank (18) is provided with a cold water tank liquid level low-limit sensor (7) and a cold water tank liquid level high-limit sensor (6); a water inlet valve (V0) of the cold water tank is arranged on a water inlet pipeline of the cold water tank (18), a water outlet pipeline at the bottom of the cold water tank (18) is divided into two paths, one path is an emptying pipeline, a cold water tank emptying valve (V5) is arranged on the emptying pipeline, the other path is a cooling pipeline, a cold water temperature control pump (P3) and a water outlet valve (V4) of the cold water tank are arranged on the cooling pipeline, and the cooling pipeline is connected with a batching tank (19) and a saccharification tank (24).
2. The saccharification apparatus of claim 1, wherein: the outer layers of the batching tank (19) and the saccharification tank (24) are respectively provided with a heat-preserving jacket, the bottom of the heat-preserving jacket is provided with a water inlet, the top of the heat-preserving jacket is provided with an overflow port, the water inlet of the heat-preserving jacket is respectively connected with the water outlet pipelines of the hot water tank (17) and the cold water tank (18) through pipelines, and the overflow port of the heat-preserving jacket is connected with the circulating water inlet at the top of the hot water tank (17) through the pipelines.
3. The saccharification apparatus of claim 1, wherein: the outer layer of gas-liquid separation jar (20) is equipped with the heat preservation and presss from both sides the cover, and the bottom that keeps warm and presss from both sides the cover is equipped with the water inlet, and the top is equipped with the overflow mouth, still is equipped with steam inlet on the heat preservation and presss from both sides the cover, and the water inlet that keeps warm and press from both sides the cover links to each other with the outlet pipe way of hot water jar (17) through the pipeline, and the overflow mouth that keeps warm presss from both sides the cover links to each other with the circulating water inlet at hot water jar (17) top through the pipeline, and the steam inlet that keeps warm presss from both sides the cover links to each other with steam pipe way and is provided with gas-liquid separation jar steam proportional valve (H3).
4. The saccharification apparatus of claim 1, wherein: the laminar flow column (23) is formed by connecting a plurality of heat exchangers in series, a laminar flow column exhaust valve is arranged at the bottom of each heat exchanger, and a laminar flow column temperature sensor (15) is arranged in the last heat exchanger.
5. The saccharification apparatus of claim 1, wherein: the liquefaction pipe group (22) is formed by connecting a plurality of groups of serpentine bent pipes in series.
6. A saccharification process based on a saccharification apparatus as claimed in any one of claims 1-5, characterized by comprising the steps of:
1) Gelatinization
Raw materials are added into a batching tank (19), an electric heater (3) of the hot water tank is opened for heating, a water outlet valve (V1) of the hot water tank, a hot water temperature control pump (P1) and a temperature control valve (V6) of the batching tank are opened, the batching tank stirring motor (8) is opened until the temperature reaches a set temperature, starch is heated for gelatinization, the gelatinization temperature is controlled, and the next step is carried out after the gelatinization time is reached;
2) Liquefaction process
Setting flow, feeding the gelatinized material into a liquefaction pipe group (22) through a variable-frequency proportioning pump (P4), heating the liquefaction pipe group (22) through a steam injector (10), enabling the gelatinized material to complete first liquefaction in the liquefaction pipe group (22), then entering a gas-liquid separation tank (20), enabling the material to complete second liquefaction and enzyme deactivation in the gas-liquid separation tank (20) through hot water and steam in a hot water tank (17) and heating the gas-liquid separation tank (20), and then entering a buffer tank (21);
3) Saccharification
And (3) starting a liquefaction pump (P2), cooling the liquefied material through a laminar flow column (23), and then entering a saccharification tank (24), wherein the saccharification temperature is controlled to be 60-65 ℃ through a saccharification tank temperature control valve (V7), until the saccharification process is completed by the catalysis of saccharifying enzyme.
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| JPH03201973A (en) * | 1989-12-28 | 1991-09-03 | Mitsubishi Heavy Ind Ltd | Fermentation with saccharification |
| CN201952419U (en) * | 2010-08-05 | 2011-08-31 | 许朝辉 | Automatic production device for table vinegar |
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