SU751828A1 - Method of automatic control of alcohol production from starch-containing raw material - Google Patents

Description

The processing time of the intermediate product (the time spent in annaipaTe) does not always maintain the regulatory / 1Y regime parameters, which ultimately leads to an increase in irreversible losses and overruns of energy resources. The capacity of the transfer pump is controlled by acting on the actuator mounted on the lead-in pipeline. Operation of commercially available executive devices (control valves) due to the specific properties of the medium (viscosity, adhesion, presence of grains and other suspended particles) is inefficient and the quality of regulation is unsatisfactory.

The aim of the invention is to stabilize the performance.

The goal is achieved by the fact that in a known method of automatically controlling the production of alcohol from starch-containing raw materials in installations containing a predrazvarnik mixer, a cooking apparatus, a steam separator, a saccharifier, evaporators, an intermediate collection, a batch pump, and a wort pump, providing for the stabilization of raw materials and water, Controlling the grain-water ratio and the levels in the predvarit mixer, the cooker, the steam separator, the saccharifier and the intermediate collector, the flow rate and the starch are determined. according to the data obtained, the amount of the batch determines the amount of K | rachma.la introduced into production, compares it to the desired value and, depending on the comparison result, regulates the feed of starch-containing raw materials and the selection of saccharified mash, while stabilizing the levels in the mixer predrazvarnike, cooking apparatus, steam separator, saccharifier and intermediate collection but drain.

In order to eliminate accidental regimes, the mixer is prevented from overflowing with a predrazvarnik mixer, cooking annaipaTa, a steam separator, a saccharifier and an intermediate collection container-effect on the inflow.

In addition, the rate of supply of starch-containing raw materials and the selection of saccharified mash is regulated by the error signal between the current and the specified amount of starch being put into production, by changing the number of revolutions of the transfer pumps.

The drawing shows a schematic diagram of the installation for the implementation of the proposed method.

In the installation along the technological process, the following technological equipment connected in series is placed on the head sections: mixing heater; batch feed pump 2; contact group 5; cooking columns 4, 5; steam-suction 6: ispaptrlk 7 prgepy

vacuum cooling stages; saccharifier 8: evaporator 9 second stage vacuum cooling; collection W of mass after the second stage of vacuum cooling; pump //

saccharified mash.

At the entrance to the mixer-1praz-Varnik / installed sensors 12, 13 flow meters of grain and water. The output of sensor 12 is connected to the input of converter M. The output of converter 14 is connected to the inputs of regulators 15, 16. The output of controller 15 is connected to the input of the Actuator 17. The output of sensor 13 is connected to the input of controller 16, the output of which is connected to the input of executive device 18. The sensor output 19 is connected to the inputs of the regulators 20 and 21. The output of the controller 20 is connected to the input of the selector 22. The output of the setpoint 23 is connected to the input of the selector 24. The output of the selector 24 is connected to the input of the selector 22, the output of which is connected to the input of the Torah 15. You od regulator 21 is connected to the selector 24. VHOD01M sensor output 25 connected to the input of the function block 26

and the controller 16. The output of the sensor 27 is connected to the input of the converter 28. The output of the converter 28 is connected to the input of the function block 26, the output of which is connected to the input of the controller 29 and the functional block 30. The output of the controller 29 is connected to the input of the selector 31, the output of which connected to the input of converter 32. The output of converter 32 is connected to the input of the actuator 33. The output of sensor 34 is connected to input M of regulators 35 and 36. The output of regulator 35 is connected to input of selector 37, and the output of regulator of torus 3: 6 is connected with input selector 31. In the output of the selector 37 is connected to the input of the insulating device 38. The output of the sensor 39 is connected to the inputs of the regulators 40 and 41. The output of the regulator 40 is connected to the input of the selector 42, and the output of the regulator 41 is connected to the input of the selector 37. The output of the selector 42 is connected to the input of the actuator 43. The output of the sensor 44 is connected to the inputs of the regulators 45 "46. The output of the regulator 45 is connected to the inlet, m of the selector 47, and the output of the regulator 46 is connected to the input of the selector 42. The output of the selector 47 is connected to the input of the executive device 48. The output of sensor 49 is connected to the control inputs. 50 and 51. The output of the controller 50 is connected to the input of the converter 52, and the output

controller 5.1 with the selector input 47. The output of the converter 52 is connected to the input of the compressor 55. The output of the function block 30 is connected to the input of the controller 50.

An exemplary embodiment of the method is illustrated in the described installation.

Regulator toru 29 set the task for the number of collapse / small. Signals from 25 N 27 sensors post to functional

LGGPT t. T g gk.,

the current value of the amount of starch entering production, by calculating the product of signals proportional to the consumption and starchiness of the mixture. The signal formed in the functional unit enters as a variable in the controller 29 and, as a task through the functional unit 30, in the controller 50.

When ras-consistency occurs in controller 29, which is greater than a predetermined value, for example, an increase in the quantity of starch, the output signal of controller 29, passage through the selector 31 and converter 32, using an actuator 33, which is a drive with adjustable the number of revolutions articulated with the transfer pump 2, the impact on the consumption of the kneading stabilizes the amount of starch entering the production at a given level. The mixing flow rate of the pre-breaker mixer / will increase, while the mass level 3 of the pre-break mixer / will decrease. The signal from the level sensor 19 will go to the controller 20. The output signal of the controller 20 will receive 3 selector 22, comparing the values of the two signals (setpoint from setpoint 23 and level in the mixer / retractor /), and then as a task - to controller 15, the output of which affects the actuator 17 will increase the consumption of raw materials. The signals from sensors 12 and 13 are received by a 3 ratio controller 16, which, by means of an actuator 18, influences the consumption of an ox, lysing a predetermined value of the ratio of the consumption of raw materials and water. The signal, proportional to the current value of the starch content of the kneaded batch, will be sent from the sensor 25 as a correction signal to the ratio controller 16, which, by affecting the water flow rate, helps the blender 18 to stabilize the starch content of the batch at a given level. The consumption of the batch with the predetermined collapse will increase and restore level 3 of the pre-breaker.

With the time required for the product flow to flow through the aggregates 3-10, the output signal of the functional block 30 (delay line), n) based on the amount of starch, ;; 3 regulator 50, which acts on the actuating device 53, which is a speed-controlled drive coupled with an pump, will increase the selection of the mash for broiler: -in from the charges after the second station PGG and tlh, . Stabilization of nr.1 -1-: the sequence is located: tel -ridrazvarpik, / capacity: -; In guides 3-10, they are carried out by acting on the corresponding outflows, and the blocking against possible overflows is carried out by affecting the corresponding inflows in the direction of the reverse process. At the same time: the signals from the level sensors 3-1, 39. 44 and go respectively to the regulators 35, 40, 45 and 50 and through the selectors 37, 42, 47 and the converter 52 to the actuators 38, 43. 48} 53, which will increase the mass extraction from aggregates 5, 6, 8, and 10.

If the mass reaches a critical level in any of the 5 aggregates 5, 6, 8, 10

(for example, in collector 10 after the second stage of vacuum cooling) the signal from sensor 49, which is oversized by the reference set by the position controller 5 /, enters this regulator as a variable. The positional output signal of the controller 51 will go to the selector 47, which will switch the regulating influence of the regulator 45 to the actuating device 48 on the controlling effect from the vertical regulator 51 and stop the mass flow to the collector 10. The level in the succes maker 8 decreases, s when a critical value is reached, the signal from sensor 44, which is overloading the task set to positional controller 46, will trigger controller 46. Selector 42 switches controller position 46 to operate the controller 46 43, which stops the flow of mass in the saccharine. 8.

When the critical level is reached in the steam separator 6 and the cooking columns 4, 5, the overflow blocking is carried out in the same way. When the critical level of the predrazvarnik mixer 1 is reached, the signal from sensor 9 exceeds the position set by the positional controller 21 task. GOST pnt C this reg l torus

as a variable. The output signal of the position controller - / will go to the selector 24, which will switch; t previously received by the regulator 15 through the selector 22, the signal to the positional control positive from the regulator 21. The regulator .5 with the help of the executive organizer 17 will completely stop the feedstock, and the regulator 16 CONFIGURATION K for IOMONALIZE; The hopper 18 will shut off the water supply.

Described OS .-; czestl: method of automatic control of the performance of the head units obospchpfiOI) received from the -.

he is starchy of starch, by the influence of and, by the expense of s. this is a used raft nosg (starch): d. batch consumption is provided by redistributing the costs of 65 doses of grain and water;

2) stabilization of the product tray with predetermined amounts of starch in containers and aggregates by exposure to the corresponding drains, while blocking from possible leverage ensures all the action e .1 on the corresponding inflows from the direction of the reverse process;

3) maintaining a predetermined rate of hpgr, raw materials and the selection of OiCaxapeHHoro mash (processing time of semi-finished products) by:; changing the number of revolutions of regulated r; The mixing pump between the set and current starch quantities of the mixer is delayed by the time required for my stream to pass through the aggregates of the sections through the containers, and served as a task for the selection circuit. saccharified mash for fermentation.

The use of the proposed method provides, in comparison with existing methods, the following 11 times:

improving the efficiency of the technological process in the areas due to the improvement of the quality of performance stabilization and operational implementation; .a1 and accepted decisions;

saving energy and reducing the lottery by reducing operating time and inefficient modes;

operational control of the head,: and sections both from the local board and from the central dispatching point (CDG1) according to the commands of the CDP operator, or by the control computer E; supervisory mode, i.e., the possibility of using I & C in the process control system.

Formula of invention

Claims (2)

1. The method of automatic control of the production of alcohol from the collapse of low-containing raw materials in installations containing - predrazvarnik spit, cooking apparatus, steam separator, saccharifier, evaporators, intermediate collection, mixing pump and SUSLOVO pump, providing for the stabilization of the flow of grain and water, the ratio adjustment "Grain - water and levels in the predrazvarnik mixer, cooking apparatus, steam separator, saccharifier and intermediate collection, characterized in that, in order to stabilize performance, the flow rate is determined and the starchiness of the batch, according to the best data, determine the amount of starch put into production, compare it with the set value and, depending on the result of the comparison, regulate the delivery of starch-containing raw materials and the selection of saccharified mash, while stabilizing the levels in the pre-sealer, varachnoy apparatus, steam separator , saccharifier and intermediate collection of stock. 2. A method according to claim 1, characterized in that, in order to eliminate the emergency conditions, blocking is carried out from the overflow of the dilution agent, the cooking apparatus, the steam separator, the saccharifier and the intermediate collection by influencing the inflow. Sources of information taken for the examination: 1. Reicher Ya.G. Fundamentals of automating the processes of alcohol and distillery production. M., “Pischeva Industry, 1972, p. 271, 276, 281. 2. The copyright certificate in application L "2435712 / 28-13, cl. C 12 C 7/06, 1976.