High temperature and enzyme deactivation device

Abstract

The utility model provides a high temperature and enzyme deactivation device, which relates to the technical field of starch sugaring and comprises a shell, a valve rod is movably connected in a through hole formed in the top of the shell, a steam nozzle is fixedly connected to one end, far away from the valve rod, of the shell, and a mixing pipe is movably connected to one end, close to the steam nozzle, of the shell. A material adjusting assembly is fixedly connected to the inner wall of a groove formed in one side of the mixing pipe, a steam inlet is fixedly connected to the side wall of the shell through a bolt, a material inlet is fixedly connected to the end, away from the steam inlet, of the shell through a bolt, and a mixing outlet is fixedly connected to the bottom of the shell through a bolt. The temperature of a mixed discharging port is monitored in real time, the steam feeding amount is dynamically adjusted, the temperature of materials or the enzyme deactivation effect is stable, and unstable production parameters caused by untimely and inaccurate manual operation are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of starch sugar production, in particular to a high temperature and enzyme inactivation device. Background Art

[0002] In the process of enzymatic sugar production from starch milk, the starch milk needs to go through liquefaction and saccharification processes in sequence. Both processes require the addition of corresponding liquefaction enzymes and saccharification enzymes to achieve the corresponding purposes. The two enzymes have different performances and uses. Therefore, during liquefaction, the material needs to be heated. Before liquefaction is completed and entering the saccharification stage, the liquefaction enzyme needs to be fully removed. In addition, the saccharification enzyme also needs to be removed after saccharification is completed.

[0003] At present, starch milk is inactivated by high temperature and enzyme inactivation devices. The existing high temperature and enzyme inactivation devices cannot automatically adjust the steam supply when inactivating starch milk, and manual adjustment is required by staff, which reduces the temperature of the material or the stability of the enzyme inactivation effect, and increases the probability of unstable production parameters due to untimely and inaccurate manual operation.

[0004] Therefore, it is necessary to provide a new high temperature and enzyme inactivation device to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides a high temperature and enzyme inactivation device.

[0006] The utility model provides a high-temperature and enzyme inactivation device, comprising a shell, a through hole provided in the top of the shell, a valve stem is movably connected inside, an end of the shell away from the valve stem is fixedly connected to a steam nozzle, and an end of the shell adjacent to the steam nozzle is movably connected to a mixing tube, an inner wall of a groove provided on one side of the mixing tube is fixedly connected to a material regulating component, a side wall of the shell is fixedly connected to a steam inlet by bolts, and an end of the shell away from the steam inlet is fixedly connected to a material inlet by bolts, a bottom of the shell is fixedly connected to a mixing outlet by bolts, and control valves are provided at the mixing outlet, the steam inlet and the material inlet, and the hole for connecting a handle provided on the control valve and the control valve is a spline hole.

[0007] Preferably, the material adjustment assembly includes a fixed plate, a movable plate and an adjusting screw, the fixed plate is fixedly connected to a side wall of one side of the shell, and a through hole is opened on the fixed plate, the movable plate is movably connected to the surface of the fixed plate, and the end of the movable plate away from the fixed plate is fixedly connected to a sleeve, the adjusting screw is fixedly connected to the sleeve and the inner wall of the through hole opened in the movable block, and the adjusting screw is movably connected to the inner wall of the through hole opened in the side wall of one side of the shell, an adjusting rod is fixedly connected to the bottom of the movable plate, a fixing ring is sleeved on the adjusting rod, and the fixing ring is fixedly connected to the side wall of one side of the shell through a limit piece.

[0008] Preferably, an actuator is fixedly connected to the top of the shell, a fixing rod is connected to the inner wall of the actuator, and one end of the fixing rod away from the actuator is fixedly connected to the top of the valve stem.

[0009] Preferably, the shell side wall is fixedly connected with a positioner, the positioner side wall is fixedly connected with an air valve, one end of the air valve is connected with a compressed air pipe, and the end of the compressed air pipe away from the air valve is connected to the shell side wall.

[0010] Preferably, one end of the adjusting screw away from the movable block is fixedly connected to the inner wall of the groove formed in the side wall of the mixing tube.

[0011] Compared with the related art, the high temperature and enzyme inactivation device provided by the utility model has the following beneficial effects:

[0012] 1. Through the automatic adjustment structure, the temperature of the mixing outlet is monitored in real time, and the steam feed rate is dynamically adjusted to stabilize the temperature of the material or the enzyme inactivation effect, reducing the instability of production parameters caused by untimely and inaccurate manual operation.

[0013] 2. When the hole for connecting the handle set on the control valve and the control valve is a spline hole, the service life of the valve handle can be increased and the operating accuracy of the valve can be improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the structure of a high temperature and enzyme inactivation device provided by the utility model;

[0015] Figure 2 for Figure 1 A schematic diagram of the structure from another perspective shown;

[0016] Figure 3 for Figure 1 The schematic diagram of the cutaway structure shown;

[0017] Figure 4 for Figure 1 Schematic diagram of the structure of the material conditioning component shown.

[0018] Numbers in the figure: 1. Shell; 2. Valve stem; 3. Steam nozzle; 4. Mixing tube; 5. Steam inlet; 6. Material inlet; 7. Mixing outlet; 8. Fixed plate; 9. Movable plate; 10. Adjusting screw; 11. Sleeve; 12. Adjusting rod; 13. Fixing ring; 14. Actuator; 15. Fixing rod; 16. Positioner; 17. Compressed air pipe; 18. Air valve. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0020] Please refer to Figure 1 , Figure 2 , Figure 3 as well as Figure 4 ,in, Figure 1 A schematic diagram of the structure of a high temperature and enzyme inactivation device provided by the utility model; Figure 2 for Figure 1 A schematic diagram of the structure from another perspective shown;

[0021] Figure 3 for Figure 1 The schematic diagram of the cutaway structure shown; Figure 4 for Figure 1 Schematic diagram of the structure of the material conditioning component shown.

[0022] In the specific implementation process, Figure 1 , Figure 2 , Figure 3 as well as Figure 4As shown, a valve stem 2 is movably connected inside a through hole opened in the top of the shell 1, a steam nozzle 3 is fixedly connected to the end of the shell 1 away from the valve stem 2, and a mixing tube 4 is movably connected to the end of the shell 1 adjacent to the steam nozzle 3, a boss is provided at the steam nozzle 3 of the shell 1, the boss and the shell 1 are designed as an integral whole, and the boss is integrated with the equipment shell 1 to improve the structural stability and avoid the risk of material storage, a material regulating component is fixedly connected to the inner wall of the groove opened on one side of the mixing tube 4, a steam inlet 5 is fixedly connected to the side wall of the shell 1 by bolts, and a material inlet 6 is fixedly connected to the end of the shell 1 away from the steam inlet 5 by bolts, a mixing outlet 7 is fixedly connected to the bottom of the shell 1 by bolts, and the mixing outlet 7, the steam inlet 5 and the material inlet 6 are fixedly connected at the bottom of the shell 1 A control valve is provided, and the hole for connecting the handle on the control valve and the control valve is a spline hole. The material adjustment component includes a fixed plate 8, a movable plate 9 and an adjusting screw 10. The fixed plate 8 is fixedly connected to the side wall of one side of the shell 1, and a through hole is opened on the fixed plate 8. The movable plate 9 is movably connected to the surface of the fixed plate 8, and the end of the movable plate 9 away from the fixed plate 8 is fixedly connected with a sleeve 11, and the adjusting screw 10 is fixedly connected to the sleeve 11 and the inner wall of the through hole opened in the movable block, and the adjusting screw 10 is movably connected to the inner wall of the through hole opened in the side wall of one side of the shell 1. An adjusting rod 12 is fixedly connected to the bottom of the movable plate 9, and a fixing ring 13 is sleeved on the adjusting rod 12. The fixing ring 13 is fixedly connected to the side wall of one side of the shell 1 through a limiter. A simple method is adopted. The reliable adjustment structure can ensure the stability of the material inlet cross-section through the locking of the fixing ring 13. The simple component structure does not require maintenance and there is no need to worry about the difficulty of repair caused by damage to components. The top of the shell 1 is fixedly connected with an actuator 14, and the inner wall of the actuator 14 is connected with a fixing rod 15. The end of the fixing rod 15 away from the actuator 14 is fixedly connected to the top of the valve stem 2. The side wall of the shell 1 is fixedly connected with a positioner 16, and the side wall of the positioner 16 is fixedly connected with an air valve 18. One end of the air valve 18 is connected to a compressed air pipe 17, and the end of the compressed air pipe 17 away from the air valve 18 is connected to the side wall of the shell 1. The end of the adjusting screw 10 away from the movable block is fixedly connected to the inner wall of the groove opened on the side wall of the mixing tube 4. When the device is in use, the material The inlet and outlet interfaces, steam interfaces, and compressed air interfaces are correctly connected. The temperature detection of the mixed outlet 7 is a PT100 sensor, and the signal type is a two-wire 4-20mA signal. It needs to be correctly connected to the control system feedback board. The signal received by the positioner 16 is a two-wire 4-20mA signal. It needs to be correctly connected to the control system output board. Ensure that the steam regulating valve stem 2 is in a closed state. Fully load the material at the material inlet 6. Adjust the maximum flow of the mixed outlet 7 to the designed flow through the material regulating mechanism. Tighten the bolts of the material regulating mechanism to lock it. Open the steam valve to allow steam to enter the equipment. Use the closed-loop control algorithm of the control system to achieve precise control of the outlet temperature. The enzyme-killing injector consists of a mechanical device part and a control execution part.The mechanical device part includes a material inlet 6, a steam inlet 5, and a mixed material outlet. The inside of the device includes a regulating valve stem 2, a mixing nozzle, a mixing tube 4, etc. The control execution part is composed of a positioner 16 and an actuator 14. The actuator 14 adopts an air-open structure, and its movement is achieved by the amount of compressed air adjusted by the positioner 16. The automatic control system monitors the temperature of the mixed material outlet in real time, and feeds back the signal to the positioner 16 according to the temperature value. The positioner 16 reduces or increases the opening of the compressed air valve 18 according to the deviation between the actual temperature and the set temperature, and drives the actuator within the stroke range. The valve stem 2 of the device is driven by the actuator to change the opening between the valve stem 2 and the upper end face of the nozzle to adjust the amount of steam introduced. The material flow on the material side is relatively stable and does not need to be adjusted frequently. Therefore, a manual adjustment device is used. Through the pull plate adjustment device at the mixing tube 4 of the equipment, the opening between the mixing tube 4 and the lower end face of the nozzle can be adjusted to control the maximum flow of the material entering the equipment. After the actual production operation test, the temperature state of the treated material is stable and the enzyme inactivation effect is good. No manual intervention is required in the production process, which significantly saves labor intensity and stabilizes product quality.

[0023] The working principle provided by the utility model is as follows: when the device is in use, the material inlet and outlet interfaces, steam interfaces, and compressed air interfaces are correctly connected, the temperature detection of the mixed outlet 7 is a PT100 sensor, and the signal type is a two-wire 4-20mA signal, which needs to be correctly connected to the control system feedback board card, and the signal received by the positioner 16 is a two-wire 4-20mA signal, which needs to be correctly connected to the control system output board card, ensuring that the steam regulating valve stem 2 is in a closed state, and the material is fully loaded into the material inlet 6, and the maximum flow of the mixed outlet 7 is adjusted to reach the design flow through the material regulating mechanism, and the bolts of the material regulating mechanism are tightened to fix and lock it, and the steam valve is opened to allow steam to pass into the equipment, and the closed-loop control algorithm of the control system is used to achieve precise control of the outlet temperature;

[0024] The enzyme-killing injector is composed of a mechanical device part and a control execution part. The mechanical device part includes a material inlet 6, a steam inlet 5, and a mixed material outlet. The device includes an adjusting valve stem 2, a mixing nozzle, a mixing tube 4, etc. The control execution part is composed of a positioner 16 and an actuator 14. The actuator 14 adopts an air-opening structure, and its movement is achieved by the amount of compressed air adjusted by the positioner 16. The automatic control system monitors the temperature of the mixed material outlet in real time, and feeds back the signal to the positioner 16 according to the temperature value. The positioner 16 reduces or increases the opening of the compressed air valve 18 according to the degree of deviation between the actual temperature and the set temperature, and drives the actuator to descend or rise within the stroke range. The actuator drives the valve stem 2 of the device to change the opening between the valve stem 2 and the upper end face of the nozzle to achieve the regulation of the steam intake. Since the material flow rate is relatively stable on the material side and does not need to be frequently adjusted, a manual adjustment device is adopted. Through the pull plate adjustment device at the mixing tube 4 of the equipment, the opening of the mixing tube 4 and the lower end face of the nozzle can be adjusted to control the maximum flow rate of the material entering the equipment.

[0025] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0026] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A high temperature and enzyme inactivation device, comprising a housing (1) and a mixing outlet (7), characterized in that: The invention comprises a shell (1), wherein a valve stem (2) is movably connected inside a through hole provided in the top of the shell (1), a steam nozzle (3) is fixedly connected to one end of the shell (1) away from the valve stem (2), and a mixing tube (4) is movably connected to one end of the shell (1) near the steam nozzle (3), a material regulating assembly is fixedly connected to the inner wall of a groove provided on one side of the mixing tube (4), a steam inlet (5) is fixedly connected to the side wall of the shell (1) by bolts, and a material inlet (6) is fixedly connected to one end of the shell (1) away from the steam inlet (5), and a mixing outlet (7) is fixedly connected to the bottom of the shell (1) by bolts, and control valves are arranged at the mixing outlet (7), the steam inlet (5) and the material inlet (6), and the hole for connecting the handle provided on the control valve and the control valve is a spline hole.

2. The high temperature and enzyme inactivation device according to claim 1, characterized in that: The material adjustment component comprises a fixed plate (8), a movable plate (9) and an adjusting screw (10); the fixed plate (8) is fixedly connected to a side wall of a housing (1), and a through hole is provided on the fixed plate (8); the movable plate (9) is movably connected to the surface of the fixed plate (8), and an end of the movable plate (9) away from the fixed plate (8) is fixedly connected to a sleeve (11); the adjusting screw (10) is fixedly connected to the sleeve (11) and to the inner wall of the through hole provided in the movable block, and the adjusting screw (10) is movably connected to the inner wall of the through hole provided in the side wall of a housing (1); an adjusting rod (12) is fixedly connected to the bottom of the movable plate (9), a fixing ring (13) is sleeved on the adjusting rod (12), and the fixing ring (13) is fixedly connected to the side wall of a side of the housing (1) through a limiting member.

3. The high temperature and enzyme inactivation device according to claim 2, characterized in that: The top of the housing (1) is fixedly connected to an actuator (14), the inner wall of the actuator (14) is connected to a fixing rod (15), and one end of the fixing rod (15) away from the actuator (14) is fixedly connected to the top of the valve stem (2).

4. The high temperature and enzyme inactivation device according to claim 3, characterized in that: The side wall of the shell (1) is fixedly connected to a positioner (16), the side wall of the positioner (16) is fixedly connected to an air valve (18), one end of the air valve is connected to a compressed air pipe (17), and the end of the compressed air pipe (17) away from the air valve (18) is connected to the side wall of the shell (1).

5. The high temperature and enzyme inactivation device according to claim 4, characterized in that: One end of the adjusting screw rod (10) away from the movable block is fixedly connected to the inner wall of a groove formed on the side wall of the mixing tube (4).

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