A maltose syrup saccharification liquid separation and purification equipment and purification process thereof

Abstract

The present invention relates to the field of membrane separation technology, and specifically to a maltose syrup saccharified liquid separation and purification device and a purification process thereof, comprising a separation tank, a coarse filter component is provided on the upper inner side of the separation tank, a horizontally arranged diversion baffle is fixedly connected to the middle of the separation tank, a plurality of groups of circumferentially distributed piston-type extrusion liquid supply components are slidably connected to the diversion baffle, the top of the separation tank is connected to a driving structure for driving the piston-type extrusion liquid supply component, and the lower part of the piston-type extrusion liquid supply component is connected to a liquid collecting cylinder through a membrane filter; when the equipment is running, if a membrane filter needs to be replaced, the corresponding piston-type extrusion liquid supply component is closed, and after the membrane filter is removed, the component is rotated to re-slide and connect with the diversion baffle, and other components are not affected and can filter normally. After the new membrane filter is installed, the piston-type extrusion liquid supply component is rotated and limited, and the liquid inlet channel is opened to resume work, thereby ensuring uninterrupted saccharified liquid separation and improving production efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of membrane separation, and in particular to a maltose syrup saccharified liquid separation and purification device and a purification process thereof. Background Art

[0002] In the production process of maltose syrup, the separation and purification of saccharification liquid is an extremely critical link. The saccharification liquid contains not only the target product maltose syrup, but also various impurities, such as incompletely saccharified starch particles, proteins, colloids and microorganisms. If these impurities are not effectively removed, they will seriously affect the quality of the maltose syrup and reduce its purity and sweetness.

[0003] At present, in the field of separation and purification technology of maltose syrup saccharify liquid, the mainstream process mostly relies on installing filter membranes in separation tanks to realize the separation and filtration operation of saccharify liquid. The filter membrane can effectively intercept impurities in the saccharify liquid. However, this technology has significant disadvantages. During long-term use, the filter membrane will cause the filtration performance to decline due to the continuous accumulation of impurities. In order to ensure the separation effect, the filter membrane needs to be replaced regularly. However, during the replacement of the filter membrane, the entire separation work has to be suspended, which will undoubtedly interrupt the production process and seriously affect the processing efficiency of maltose syrup. Frequent shutdowns to replace filter membranes not only consume manpower and material resources, but also greatly limit the continuity and efficiency of production. Therefore, a maltose syrup saccharify liquid separation and purification equipment and a purification process thereof are proposed, which are convenient for replacing the filter membrane and ensure the continuity of the saccharify liquid separation work. Summary of the Invention

[0004] In view of the problems in the prior art, the present invention provides a maltose syrup saccharified liquid separation and purification device and a purification process thereof, which facilitates the replacement of the filter membrane and ensures the continuity of the saccharified liquid separation work.

[0005] The technical solution adopted by the present invention to solve its technical problems is a maltose syrup saccharification liquid separation and purification device, including a separation tank, a coarse filtration component is provided on the upper inner side of the separation tank, a horizontally arranged diversion baffle is fixedly connected to the middle of the separation tank, and several groups of circumferentially distributed piston-type extrusion liquid supply components are slidably connected to the diversion baffle. The top of the separation tank is connected to a driving structure that drives the piston-type extrusion liquid supply component to work, and the lower part of the piston-type extrusion liquid supply component is connected to a liquid collecting cylinder through a membrane filter.

[0006] Specifically, the piston-type extrusion liquid supply component includes several groups of sliding holes circumferentially distributed on the diversion baffle, a piston cylinder is slidably connected in the sliding hole, a piston plate is sealingly and slidably connected in the piston cylinder, a movable tube is fixedly connected to the upper surface of the piston plate, a positioning slide rod fixedly connected to the coarse filter component is slidably connected to the inner side of the upper end of the movable tube, and a return spring is fixedly connected between the positioning slide rod and the piston plate; a feed liquid port connected to the inside of the piston cylinder is provided on one side of the upper part of the piston cylinder, a fixed rod is fixedly connected to the side of the movable tube, an extrusion roller is rotatably connected to the fixed rod, and the extrusion roller is in extrusion contact with the driving structure.

[0007] Specifically, the driving structure includes a driving motor arranged on the top of the separation tank. The lower end of the output shaft of the driving motor is detachably connected to a horizontally arranged conical guide plate through a clamping assembly. Several groups of radially arranged slide grooves are distributed circumferentially on the conical guide plate. A slider is slidably connected in the slide groove. The lower surface of the slider is fixedly connected to an arc-shaped extrusion plate. A wedge-shaped guide surface is provided at the lower part of the arc-shaped extrusion plate, and the wedge-shaped guide surface is in extrusion contact with the extrusion roller.

[0008] Specifically, the clamping assembly includes a sliding ring arranged in the center of the conical guide plate, the output shaft of the driving motor passes through the sliding ring, a positioning hole is provided on the side of the sliding ring, and several groups of vertically distributed pin holes are provided on the output shaft. The positioning holes are threadedly connected to the pin holes through positioning bolts.

[0009] Specifically, several groups of circumferentially distributed arc-shaped rotating plates are provided on the outer side of the lower end of the piston cylinder, and several groups of limiting plates corresponding to the arc-shaped rotating plates are distributed circumferentially on the lower surface of the diverter baffle. A rotating groove is provided on the side of the limiting plate close to the arc-shaped rotating plate, and the arc-shaped rotating plate is located in the rotating groove and is slidably connected to the rotating groove.

[0010] Specifically, a ferrule-type quick-release ball valve is installed on the lower surface of the piston cylinder, the ferrule-type quick-release ball valve is communicated with the interior of the piston cylinder, and the ferrule-type quick-release ball valve is detachably connected to the upper end of the membrane filter.

[0011] Specifically, the upper surface flange of the liquid collecting cylinder is connected to a plurality of sets of threaded mounting tubes in communication with the liquid collecting cylinder, the outer sides of the threaded mounting tubes are threadedly connected to nuts, and the lower end of the membrane filter is detachably connected to the threaded mounting tubes;

[0012] The lower surface of the liquid collecting cylinder is connected with a liquid drain pipe, the lower surface of the liquid collecting cylinder is provided with a plurality of supporting legs, and an inspection structure is connected between the liquid collecting cylinder and the diversion baffle.

[0013] Specifically, the coarse filter assembly includes a connecting plate fixedly connected to the inner wall of the separation tank, with a plurality of sets of fan-shaped grooves extending therethrough, a fan-shaped filter plate corresponding to the fan-shaped grooves being detachably connected to the upper surface of the connecting plate, and a plurality of sets of circumferentially distributed stirring rods being fixedly connected to the upper side of the output shaft;

[0014] The upper end of the positioning slide rod is fixedly connected to the lower surface of the connecting plate; connecting holes are distributed on the conical guide plate; and a liquid inlet pipe is connected to one side of the upper portion of the separation tank.

[0015] Specifically, the maintenance structure includes several groups of support rods connected between the diversion baffle and the liquid collecting cylinder, several groups of bolt mounting holes are provided on one side of the support rod, and an arc-shaped maintenance plate is provided on the outside of the support rod. The arc-shaped maintenance plate is threadedly connected to the bolt mounting hole of the support rod through fixing bolts.

[0016] A maltose syrup saccharified liquid separation and purification process, using the above-mentioned maltose syrup saccharified liquid separation and purification equipment, comprises the following steps:

[0017] Step 1: The saccharified liquid is introduced into a separation tank and initially filtered through a coarse filtration component;

[0018] Step 2: The saccharified liquid is fed to the piston-type extrusion liquid supply component through the diversion baffle;

[0019] Step 3: adjusting the driving speed of the driving structure according to the feeding speed of the saccharified liquid, and squeezing the piston-type extrusion liquid supply component through the driving structure to push the saccharified liquid into the membrane filter;

[0020] Step 4: The membrane filter supplies the filtered saccharified liquid into the liquid collection cylinder.

[0021] Beneficial effects of the present invention:

[0022] The present invention provides a maltose syrup saccharified liquid separation and purification device and a purification process thereof. When the device is in operation, if a membrane filter needs to be replaced, the corresponding piston-type extrusion liquid supply component is closed, the membrane filter is removed, the component is rotated and re-slidably connected to the diversion baffle, and other components are not affected and can filter normally. After the new membrane filter is installed, the piston-type extrusion liquid supply component is rotated and limited, and the liquid inlet channel is opened to resume operation, thereby ensuring uninterrupted saccharified liquid separation and improving production efficiency.

[0023] The present invention provides a maltose syrup saccharified liquid separation and purification device and a purification process thereof. In a piston-type extrusion liquid supply assembly, a piston plate moves up and down under the action of a return spring and a driving structure to squeeze the saccharified liquid. A positioning slide rod ensures linearity of movement, allowing the saccharified liquid to fully pass through the membrane filter. The saccharified liquid passes through the membrane filter more efficiently under pressure, thereby improving filtration efficiency and accelerating the entire separation and purification process compared to a natural flow filtration method.

[0024] The present invention provides a maltose syrup saccharified liquid separation and purification device and a purification process thereof. In a driving structure, a driving motor drives a conical guide plate to rotate, and an arc-shaped extrusion plate squeezes an extrusion roller, pushing a piston plate downward to improve filtration efficiency. Moreover, when the liquid inlet volume increases, the driving motor accelerates rotation, the movement speed of the arc-shaped extrusion plate increases, and the extrusion frequency increases. The extrusion position can also be changed by sliding a slider, thereby increasing the movement range of the piston plate, increasing the single liquid supply volume, and avoiding liquid accumulation. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention will be further described below with reference to the accompanying drawings and examples.

[0026] Figure 1 is an axonometric drawing of the present invention;

[0027] Figure 2 This is an axonometric view of the curved access panel of the present invention after disassembly;

[0028] Figure 3 This is a schematic diagram of the internal structure of the separation tank of the present invention;

[0029] Figure 4 for Figure 3 A magnified view of area A;

[0030] Figure 5 for Figure 3 A magnified view of area B;

[0031] Figure 6 This is a schematic diagram of the bottom structure of the diverter baffle of the present invention;

[0032] Figure 7 for Figure 6 Magnified view of area C;

[0033] Figure 8 It is a schematic diagram of a partial cross-sectional structure of a tapered guide plate of the present invention;

[0034] Figure 9 for Figure 8 A magnified view of region D;

[0035] Figure: 1, separation tank; 2, diverter baffle; 3, membrane filter; 4, liquid collecting cylinder; 5, sliding hole; 6, piston cylinder; 7, piston plate; 8, movable tube; 9, positioning slide rod; 10, position spring; 11, feed liquid inlet; 12, fixed rod; 13, squeeze roller; 14, drive motor; 15, output shaft; 16, conical guide plate; 17, slide groove; 18, slider; 19, arc squeeze plate; 20, wedge-shaped guide surface; 21, slide ring; 22, positioning Hole; 23. Pin hole; 24. Positioning bolt; 25. Arc-shaped rotating plate; 26. Limit plate; 27. Rotating groove; 28. Cardan-type quick-release ball valve; 29. Threaded mounting tube; 30. Nut; 31. Drain pipe; 32. Support leg; 33. Connecting plate; 34. Sector groove; 35. Sector-shaped filter plate; 36. Stirring rod; 37. Connecting hole; 38. Liquid inlet pipe; 39. Support rod; 40. Bolt mounting hole; 41. Arc-shaped inspection plate; 42. Fixing bolt. DETAILED DESCRIPTION

[0036] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0037] In order to facilitate the replacement of the filter membrane and ensure the continuity of the saccharification liquid separation work, as an embodiment of the present invention, Figure 1 、 Figure 2 、 Figure 3 As shown, a maltose syrup saccharified liquid separation and purification device of the present invention includes a separation tank 1, a coarse filtration component is provided on the upper inner side of the separation tank 1, a horizontally arranged diversion baffle 2 is fixedly connected to the middle of the separation tank 1, and a plurality of groups of circumferentially distributed piston-type extrusion liquid supply components are slidably connected to the diversion baffle 2. The top of the separation tank 1 is connected to a driving structure that drives the piston-type extrusion liquid supply component to work, and the lower part of the piston-type extrusion liquid supply component is connected to a liquid collecting cylinder 4 through a membrane filter 3.

[0038] During use, during the separation and purification process of the maltose syrup saccharified liquid, the saccharified liquid is first transported to the separation tank 1. After the saccharified liquid enters the separation tank 1, it is initially filtered by the coarse filtration component. The coarse filtration component can effectively intercept larger impurities such as incompletely saccharified starch particles in the saccharified liquid, thereby achieving preliminary purification of the saccharified liquid and reducing the filtration burden of the subsequent membrane filter 3. The coarsely filtered saccharified liquid smoothly passes through the coarse filtration component and flows downward to the diversion baffle 2;

[0039] The saccharified liquid falling on the diversion baffle 2 will enter several groups of piston-type extrusion liquid supply components respectively. At this time, the driving structure on the top of the separation tank 1 drives the piston-type extrusion liquid supply component to work. When the lower end of the piston-type extrusion liquid supply component is connected to the membrane filter 3, the membrane filter 3 can provide support for the piston-type extrusion liquid supply component to ensure the stability of the piston-type extrusion liquid supply component when it is squeezed; under the squeezing action of the piston-type extrusion liquid supply component, the saccharified liquid is squeezed into the membrane filter 3, and the membrane filter 3 performs a more fine filtration on the saccharified liquid, which can intercept tiny impurities such as proteins, colloids and microorganisms, thereby achieving deep purification of the saccharified liquid. The pure maltose syrup filtered by the membrane filter 3 flows into the liquid collecting cylinder 4 for collection, and the separation of the saccharified liquid is completed. The piston-type extrusion liquid supply component supplies liquid to the membrane filter 3 for filtration, which can ensure that the liquid supply work of all the piston-type extrusion liquid supply components is independent of each other. An appropriate number of piston-type extrusion liquid supply components can be set as needed, and it is also avoided that the maintenance and replacement of the piston-type extrusion liquid supply component affects the work of other piston-type extrusion liquid supply components.

[0040] During the operation of the equipment, if a membrane filter 3 needs to be replaced, in order to ensure the normal operation of other groups of piston-type extrusion liquid supply components, first close the corresponding piston-type extrusion liquid supply component to prevent liquid from continuing to enter the membrane filter 3 connected to the piston-type extrusion liquid supply component, and then remove the membrane filter 3. After removing the membrane filter 3, the piston-type extrusion liquid supply component loses its support and can slide up and down. At this time, the driving structure drives several groups of piston-type extrusion liquid supply components to work. Since there is liquid inside the group of piston-type extrusion liquid supply components, under the action of gravity and the driving structure, the group of piston-type extrusion liquid supply components will move downward and maintain a sliding connection state with the diversion baffle 2, while the other multiple groups of piston-type extrusion liquid supply components will not be affected and can perform filtering work normally, thereby ensuring the continuity of saccharification liquid separation work;

[0041] When the driving structure drives the group of piston-type extrusion liquid supply components to reset and move upward, the upper end of the new membrane filter 3 is connected to the group of piston-type extrusion liquid supply components, and the lower end is connected to the liquid collecting cylinder 4. After the connection is completed, the membrane filter 3 provides support for the piston-type extrusion liquid supply component, and then the liquid inlet channel of the group of piston-type extrusion liquid supply components is opened. At this time, the liquid on the diversion baffle 2 will enter the newly installed membrane filter 3 under the extrusion of the piston-type extrusion liquid supply component, and the replacement operation of the membrane filter 3 is successfully completed. This replacement method not only improves the convenience of replacing the membrane filter 3, but also ensures that the saccharification liquid separation work is carried out uninterruptedly during the replacement process.

[0042] In order to improve the filtration efficiency, for example, Figure 3 、 Figure 5 、 Figure 8 、 Figure 9As shown, the present invention also includes that the piston type extrusion liquid supply component includes several groups of sliding holes 5 circumferentially distributed on the diversion baffle 2, the sliding hole 5 is slidably connected to the piston cylinder 6, the piston cylinder 6 is sealed and slidably connected to the piston plate 7, the upper surface of the piston plate 7 is fixedly connected to the movable tube 8, the upper end inner side of the movable tube 8 is slidably connected to the positioning slide rod 9 fixedly connected to the coarse filter component, and a return spring 10 is fixedly connected between the positioning slide rod 9 and the piston plate 7; a feed liquid port 11 connected to the interior of the piston cylinder 6 is provided on one side of the upper part of the piston cylinder 6, a fixed rod 12 is fixedly connected to the side of the movable tube 8, an extrusion roller 13 is rotatably connected to the fixed rod 12, and the extrusion roller 13 is in extrusion contact with the driving structure.

[0043] During use, the maltose syrup saccharified liquid is transported to the separation tank 1 through the feed port of the separation tank 1. The saccharified liquid is first preliminarily filtered by the coarse filtration component to remove large particles of impurities, and then flows into the diversion baffle 2 area. At this time, the piston-type extrusion liquid supply component is in the initial position, and the piston plate 7 is located above the piston cylinder 6 under the action of the return spring 10. The piston cylinder 6 is not yet filled with liquid, and the saccharified liquid flows into the piston cylinder 6 through the feed liquid port 11 on one side of the upper part of the piston cylinder 6;

[0044] The driving structure is started and begins to operate, and comes into contact with the squeezing roller 13. As the driving structure moves, the squeezing roller 13 is squeezed, driving the movable tube 8 and the piston plate 7 to slide downward in the piston cylinder 6. When the piston plate 7 slides downward, it squeezes the saccharified liquid in the piston cylinder 6. During the squeezing process, the positioning slide bar 9 plays a guiding role, ensuring that the movable tube 8 and the piston plate 7 move in a straight line. Under the action of pressure, the saccharified liquid in the piston cylinder 6 is finely filtered through the membrane filter 3 connected to the lower part of the piston cylinder 6. The squeezing action of the piston plate 7 can make the saccharified liquid fully pass through the membrane filter 3, thereby improving the filtration efficiency.

[0045] When the extrusion action of the driving structure is completed and the contact with the extrusion roller 13 is broken, the reset spring 10 takes effect, pushing the piston plate 7 and the movable tube 8 to reset upward. During the reset process, negative pressure is formed in the piston cylinder 6, and the coarsely filtered saccharification liquid is sucked in again through the feed liquid port 11 to prepare for the next extrusion liquid supply. This cycle is repeated to achieve continuous extrusion liquid supply and filtration purification of the maltose syrup saccharification liquid;

[0046] The membrane filter 3 should be equipped with a one-way valve to prevent the liquid in the membrane filter 3 from flowing back and ensure the stable operation of the membrane filter 3 .

[0047] In order to ensure the separation and purification process of saccharified liquid and further improve the overall production efficiency, for example, Figure 1 、 Figure 3 、 Figure 8 、 Figure 9As shown, the present invention also includes a driving structure including a driving motor 14 arranged on the top of the separation tank 1, and the lower end of the output shaft 15 of the driving motor 14 is detachably connected to a horizontally arranged conical guide plate 16 through a clamping assembly, and a plurality of groups of radially arranged slide grooves 17 are distributed circumferentially on the conical guide plate 16, and a slider 18 is slidably connected in the slide groove 17, and an arc-shaped extrusion plate 19 is fixedly connected to the lower surface of the slider 18, and a wedge-shaped guide surface 20 is provided at the lower part of the arc-shaped extrusion plate 19, and the wedge-shaped guide surface 20 is in extrusion contact with the extrusion roller 13.

[0048] During use, during the separation and purification process of the maltose syrup saccharified liquid, the saccharified liquid flows into the interior of the piston cylinder 6 through the feed liquid inlet 11 on one side of the upper part of the piston cylinder 6. At this time, the driving motor 14 is started to drive the conical guide plate 16 to start rotating. During the rotation of the conical guide plate 16, the arc-shaped extrusion plate 19 also moves synchronously. The wedge-shaped guide surface 20 at the lower part of the arc-shaped extrusion plate 19 is in contact with the extrusion roller 13 on the piston-type extrusion liquid supply assembly. As the conical guide plate 16 continues to rotate, the wedge-shaped guide surface 20 of the arc-shaped extrusion plate 19 continuously squeezes the extrusion roller 13, thereby driving the extrusion roller 13 to drive the movable tube 8 and the piston plate 7 to slide downward in the piston cylinder 6. The movement of the piston plate 7 applies an extrusion force to the saccharified liquid in the piston cylinder 6, pushing the saccharified liquid to pass through the membrane filter 3 for filtration, thereby improving the filtration efficiency.

[0049] When the inflow of saccharified liquid in the separation tank 1 increases, in order to ensure efficient and stable operation of the equipment, the speed of the driving motor 14 needs to be increased accordingly. After the speed of the driving motor 14 is increased, the conical guide plate 16 is driven to rotate faster, and the movement speed of the slider 18 connected to the conical guide plate 16 and the arc-shaped extrusion plate 19 is greatly accelerated, thereby increasing the extrusion frequency between the wedge-shaped guide surface 20 and the extrusion roller 13, so that the extrusion efficiency can be matched with the inflow of liquid, effectively accelerating the filtration speed, and ensuring that the saccharified liquid can be processed in time;

[0050] Moreover, as the speed of the output shaft 15 of the drive motor 14 continues to rise, under the action of centrifugal force, the slider 18 begins to slide radially outward along the slide groove 17 on the conical guide plate 16. When the slider 18 moves outward along the conical surface of the conical guide plate 16, the height of the slider 18 decreases, thereby driving the arc-shaped extrusion plate 19 to move downward as it moves outward. After the arc-shaped extrusion plate 19 moves downward, the extrusion position of the lower wedge-shaped guide surface 20 and the extrusion roller 13 also changes accordingly. At this time, the arc extrusion drives the extrusion roller 13 to move up and down by an increase in the amplitude, thereby increasing the movement range of the piston plate 7 in the piston cylinder 6. More saccharified liquid can be discharged each time it is squeezed, thereby further increasing the liquid supply volume of a single squeeze, thereby effectively avoiding the liquid pressure problem caused by excessive liquid intake, ensuring the progress of the saccharified liquid separation and purification process, and improving the overall production efficiency.

[0051] In order to facilitate the adjustment of the position of the arc-shaped extrusion plate 19, for example, Figure 8 、 Figure 9 As shown, the present invention also includes that the clamping assembly includes a sliding ring 21 arranged at the center of the conical guide plate 16, the output shaft 15 of the drive motor 14 passes through the sliding ring 21, a positioning hole 22 is provided on the side of the sliding ring 21, and a plurality of groups of vertically distributed pin holes 23 are provided on the output shaft 15, and the positioning holes 22 are threadedly connected to the pin holes 23 through positioning bolts 24.

[0052] During use, when the actual liquid inflow increases and the filtration efficiency requirement is improved, the position of the arc-shaped extrusion plate 19 can be adjusted to increase the downward movement of the piston plate 7, thereby increasing the amount of saccharified liquid flowing into the membrane filter 3 and meeting higher filtration requirements; conversely, if the liquid inflow decreases or the filtration efficiency requirement is reduced, the position of the arc-shaped extrusion plate 19 can be appropriately adjusted to reduce the upward and downward movement range of the extrusion roller 13 when being squeezed, and the downward movement of the piston plate 7 will also be reduced accordingly, thereby avoiding energy waste or equipment loss caused by excessive squeezing;

[0053] Adjusting the position of the arc-shaped extrusion plate 19 can also be achieved by adjusting the position of the sliding ring 21 on the output shaft 15 of the drive motor 14. First, loosen the positioning bolt 24 to allow the sliding ring 21 to slide freely on the output shaft 15. According to actual conditions, move the sliding ring 21 to a suitable position. After the sliding ring 21 reaches the predetermined position, select the appropriate positioning bolt 24, accurately pass it through the positioning hole 22 on the side of the sliding ring 21, and thread it with the corresponding pin hole 23 on the output shaft 15. Finally, tighten the positioning bolt 24 to achieve precise adjustment of the position of the arc-shaped extrusion plate 19, thereby ensuring that the filtration process of the maltose syrup saccharification liquid is stable and efficient.

[0054] In order to improve the convenience of replacing the membrane filter 3, for example, Figure 6 、 Figure 7 As shown, the present invention also includes that a plurality of groups of circumferentially distributed arc-shaped rotating plates 25 are provided on the outer side of the lower end of the piston cylinder 6, and a plurality of groups of limiting plates 26 corresponding to the arc-shaped rotating plates 25 are distributed circumferentially on the lower surface of the diverter baffle 2. A rotating groove 27 is provided on the side of the limiting plate 26 close to the arc-shaped rotating plate 25, and the arc-shaped rotating plate 25 is located in the rotating groove 27 and is slidably connected to the rotating groove 27.

[0055] During use, when the membrane filter 3 connected to a group of piston-type extrusion liquid supply components needs to be replaced, first close the liquid inlet channel corresponding to the component to prevent liquid from continuing to enter the membrane filter 3, then remove the membrane filter 3, at this time rotate the piston cylinder 6, since the arc-shaped rotating plate 25 is slidingly connected to the rotating groove 27, after the piston cylinder 6 rotates to the appropriate position, the piston-type extrusion liquid supply component restores the sliding connection state with the diverter baffle 2, and under the subsequent action of gravity and the driving structure, the piston cylinder 6 moves down and maintains the sliding connection with the diverter baffle 2 to ensure the normal operation of other components. When the new membrane filter 3 is installed, rotate the piston cylinder 6 again to connect the upper end of the new membrane filter 3 with the piston cylinder 6 and the lower end with the liquid collecting cylinder 4. After the connection is completed, rotate the piston cylinder 6 and limit it so that it is no longer slidingly connected to the diverter baffle 2, and then open the liquid inlet channel to resume the filtering work of the component;

[0056] Through the sliding connection structure of the arc-shaped rotating plate 25 and the rotating groove 27, the piston cylinder 6 can be flexibly rotated during the replacement process of the membrane filter 3. When removing and installing the membrane filter 3, the position of the piston cylinder 6 can be conveniently adjusted without complicated disassembly and repositioning operations, thereby improving the convenience of replacing the membrane filter 3 and reducing the time and labor costs required for replacement. At the same time, it does not affect the normal operation of other piston-type extrusion liquid supply components, ensuring the continuity of the saccharification liquid separation work, avoiding the interruption of the entire production process due to the replacement of a single membrane filter 3, and improving production efficiency.

[0057] For example, Figure 3 、 Figure 6 、 Figure 7 As shown, the present invention also includes a sleeve-type quick-install ball valve 28 installed on the lower surface of the piston cylinder 6, the sleeve-type quick-install ball valve 28 is connected to the interior of the piston cylinder 6, and the sleeve-type quick-install ball valve 28 is detachably connected to the upper end of the membrane filter 3.

[0058] When in use, align the upper end of the membrane filter 3 with the sleeve-type quick-release ball valve 28 on the lower surface of the piston cylinder 6. Through the quick connection structure of the sleeve-type quick-release ball valve 28, a smooth liquid channel is formed between the interior of the piston cylinder 6 and the membrane filter 3, ensuring that the maltose syrup saccharified liquid that has undergone preliminary filtration can flow smoothly into the membrane filter 3;

[0059] Once the membrane filter 3 needs to be replaced, first close the ferrule-type quick-release ball valve 28 to cut off the liquid passage between the piston cylinder 6 and the membrane filter 3 to prevent the saccharified liquid from continuing to flow into the old membrane filter 3. Then, use the detachable feature of the ferrule-type quick-release ball valve 28 to remove the old membrane filter 3 from the ferrule-type quick-release ball valve 28. When installing the new membrane filter 3, connect its upper end to the ferrule-type quick-release ball valve 28 again and ensure that the connection is firm. Finally, open the ferrule-type quick-release ball valve 28 to put the new membrane filter 3 into use and continue filtering the saccharified liquid.

[0060] For example, Figure 1 、 Figure 2 、 Figure 3 As shown, the present invention further includes: the upper surface flange of the liquid collecting cylinder 4 is connected to a plurality of groups of threaded mounting tubes 29 communicating with the liquid collecting cylinder 4; the outer sides of the threaded mounting tubes 29 are threadedly connected to nuts 30; and the lower end of the membrane filter 3 is detachably connected to the threaded mounting tubes 29;

[0061] The lower surface of the liquid collecting cylinder 4 is connected to a liquid drain pipe 31 , and a plurality of support legs 32 are provided on the lower surface of the liquid collecting cylinder 4 . An inspection structure is connected between the liquid collecting cylinder 4 and the diversion baffle 2 .

[0062] When in use, the maltose syrup saccharified liquid finely filtered by the membrane filter 3 will flow smoothly into the liquid collecting barrel 4 through the threaded installation tube 29. In the liquid collecting barrel 4, the saccharified liquid will gradually gather and then be discharged through the drain pipe 31 for subsequent processing.

[0063] In order to facilitate the preliminary filtration of the saccharified liquid, for example, Figure 3 、 Figure 4 、 Figure 6 、 Figure 7 、 Figure 9 As shown, the present invention further includes a coarse filter assembly including a connecting plate 33 fixedly connected to the inner wall of the separation tank 1, with a plurality of groups of fan-shaped grooves 34 extending therethrough, and a fan-shaped filter plate 35 corresponding to the fan-shaped grooves 34 being detachably connected to the upper surface of the connecting plate 33, and a plurality of groups of circumferentially distributed stirring rods 36 being fixedly connected to the upper side of the output shaft 15;

[0064] The upper end of the positioning slide bar 9 is fixedly connected to the lower surface of the connecting plate 33 ; the conical guide plate 16 is provided with connecting holes 37 ; and the upper side of the separation tank 1 is connected to a liquid inlet pipe 38 .

[0065] When in use, the maltose syrup saccharified liquid flows into the separation tank 1 from the liquid inlet pipe 38. During the inflow process, the driving motor 14 drives the output shaft 15 to rotate, and the stirring rod 36 on the output shaft 15 rotates accordingly to stir the saccharified liquid just entering the separation tank 1. Stirring can make the saccharified liquid more evenly distributed, prevent the local concentration of the saccharified liquid from being too high or impurities from gathering. Under the action of stirring, the saccharified liquid flows to the fan-shaped filter plate 35, and the saccharified liquid passes through the fan-shaped groove 34 on the fan-shaped filter plate 35 to achieve preliminary filtration. Large particles of impurities are intercepted on the fan-shaped filter plate 35, thereby achieving preliminary purification of the saccharified liquid, reducing the burden on the subsequent fine filtration of the membrane filter 3, and ensuring the quality of the final maltose syrup product.

[0066] The saccharified liquid filtered by the coarse filtration component passes smoothly through the fan-shaped groove 34 and flows downward. During this process, part of the saccharified liquid will fall on the conical guide plate 16. The connecting holes 37 distributed on the conical guide plate 16 facilitate the liquid to continue to flow downward and finally fall on the diversion baffle 2. Then, the saccharified liquid enters the subsequent piston-type extrusion liquid supply component to prepare for further fine filtration treatment.

[0067] For example, Figure 1 、 Figure 2 、 Figure 3 、 Figure 7 As shown, the present invention also includes that the maintenance structure includes several groups of support rods 39 connected between the diversion baffle 2 and the liquid collecting cylinder 4, and several groups of bolt mounting holes 40 are provided on one side of the support rod 39. An arc-shaped maintenance plate 41 is provided on the outer side of the support rod 39, and the arc-shaped maintenance plate 41 is threadedly connected to the bolt mounting hole 40 of the support rod 39 through a fixing bolt 42.

[0068] During use, when the membrane filter 3 needs to be replaced, unscrew the corresponding fixing bolts 42. Since the arc-shaped inspection plate 41 is threadedly connected to the bolt mounting holes 40 of the support rod 39 through the fixing bolts 42, after unscrewing the fixing bolts 42, the arc-shaped inspection plate 41 is separated from the support rod 39. At this time, the space between the diverter baffle 2 and the liquid collecting cylinder 4 is expanded, and the maintenance personnel can easily access the connection between the membrane filter 3 and the threaded mounting tube 29, and then replace the membrane filter 3. After completing the replacement of the membrane filter 3, reinstall the arc-shaped inspection plate 41 back to the support rod 39, pass the fixing bolts 42 through the corresponding position on the arc-shaped inspection plate 41, screw it into the bolt mounting holes 40 of the support rod 39 and tighten it, so that the arc-shaped inspection plate 41 is fixed to the outside of the support rod 39, reducing the difficulty of replacing the membrane filter 3.

[0069] The present invention also provides a maltose syrup saccharified liquid separation and purification process, which uses the above-mentioned maltose syrup saccharified liquid separation and purification equipment, comprising the following steps:

[0070] Step 1: The saccharified liquid is introduced into a separation tank and initially filtered through a coarse filtration component;

[0071] Step 2: The saccharified liquid is fed to the piston-type extrusion liquid supply component through the diversion baffle;

[0072] Step 3: adjusting the driving speed of the driving structure according to the feeding speed of the saccharified liquid, and squeezing the piston-type extrusion liquid supply component through the driving structure to push the saccharified liquid into the membrane filter;

[0073] Step 4: The membrane filter supplies the filtered saccharified liquid into the liquid collection cylinder.

[0074] When the present invention is in use, maltose syrup saccharified liquid is introduced from the liquid inlet pipe 38 on one side of the upper part of the separation tank, the drive motor 14 is started, and the output shaft 15 is driven to rotate, so that the stirring rod 36 on the output shaft 15 stirs the saccharified liquid that has just entered the separation tank 1, so that the saccharified liquid is evenly distributed. Under the stirring action, the saccharified liquid flows to the fan-shaped filter plate 35 on the connecting plate 33, and is initially filtered through the fan-shaped groove 34. Large particles of impurities are intercepted on the fan-shaped filter plate 35. The coarsely filtered saccharified liquid passes through the fan-shaped groove 34, partially falls on the conical guide plate 16, and then flows downward through the connecting hole 37 to the diversion baffle 2;

[0075] When the saccharified liquid falls on the diversion baffle 2, the piston-type extrusion liquid supply assembly is in the initial position. The piston plate 7 is located above the piston cylinder 6 under the action of the return spring 10. The piston cylinder 6 is not yet filled with liquid. The saccharified liquid flows into the piston cylinder 6 through the feed liquid port 11 on one side of the upper part of the piston cylinder 6.

[0076] The driving motor 14 runs, driving the conical guide plate 16 to rotate, causing the arc-shaped extrusion plate 19 to move synchronously. The wedge-shaped guide surface 20 at the bottom of the arc-shaped extrusion plate 19 squeezes the extrusion roller 13, driving the movable tube 8 and the piston plate 7 to slide downward in the piston cylinder 6. The piston plate 7 squeezes the saccharified liquid in the piston cylinder 6. Under the guidance of the positioning slide bar 9, the saccharified liquid passes through the membrane filter 3 connected to the lower part of the piston cylinder 6 for fine filtration to remove tiny impurities such as protein, colloids and microorganisms. The filtered pure maltose syrup flows into the liquid collecting cylinder 4 and is discharged through the drain pipe 31 on the lower surface of the liquid collecting cylinder 4 for subsequent processing. After the driving structure separates from the extrusion roller 13, the piston plate 7 is pushed upward by the return spring 10 to reset, forming a negative pressure in the piston cylinder 6, and the coarsely filtered saccharified liquid is sucked in again through the feed liquid port 11, preparing for the next extrusion and liquid supply.

[0077] When the amount of saccharified liquid in the separation tank 1 increases, in order to ensure efficient and stable operation of the equipment, the speed of the drive motor 14 needs to be increased accordingly. After the speed of the drive motor 14 is increased, the conical guide plate 16 is driven to rotate faster, and the movement speed of the slider 18 connected to the conical guide plate 16 and the arc-shaped extrusion plate 19 is greatly accelerated, thereby increasing the extrusion frequency between the wedge-shaped guide surface 20 and the extrusion roller 13, so that the extrusion efficiency can be matched with the amount of liquid inlet, effectively accelerating the filtration speed, and ensuring that the saccharified liquid can be processed in time.

[0078] When the actual liquid inflow increases and the filtration efficiency requirement is improved, the position of the arc-shaped extrusion plate 19 can be adjusted to increase the downward movement of the piston plate 7, thereby increasing the amount of saccharified liquid flowing into the membrane filter 3 and meeting higher filtration requirements; conversely, if the liquid inflow decreases or the filtration efficiency requirement is reduced, the position of the arc-shaped extrusion plate 19 can be appropriately adjusted to reduce the upward and downward movement range of the extrusion roller 13 when being squeezed, and the downward movement of the piston plate 7 will also be reduced accordingly, thereby avoiding energy waste or equipment loss caused by excessive squeezing;

[0079] If a membrane filter 3 needs to be replaced, find the piston-type extrusion liquid supply assembly corresponding to the membrane filter 3 to be replaced, close the sleeve-type quick-release ball valve 28 installed on the lower surface of the piston cylinder 6, and prevent the maltose syrup saccharified liquid from continuing to flow into the membrane filter 3; unscrew the fixing bolt 42 at the position corresponding to the membrane filter 3 to separate the arc-shaped inspection plate 41 from the support rod 39. Removing the arc-shaped inspection plate 41 can expand the space between the diverter baffle 2 and the liquid collecting cylinder 4, making it easier for maintenance personnel to access the connection between the membrane filter 3 and the threaded mounting tube 29;

[0080] Unscrew the nut 30 on the liquid collecting cylinder 4 connected to the membrane filter 3, remove the membrane filter 3, and after removing the membrane filter 3, rotate the piston cylinder 6. Use the sliding connection between the arc-shaped rotating plate 25 on the outer side of the lower end of the piston cylinder 6 and the rotating groove 27 on the limit plate 26 on the lower surface of the diverter baffle 2 to rotate the piston cylinder 6 to a suitable position, so that the piston-type extrusion liquid supply component is re-slidably connected to the diverter baffle 2. Under the subsequent action of gravity and the driving structure, the piston cylinder 6 moves downward and maintains the sliding connection state with the diverter baffle 2, ensuring that other piston-type extrusion liquid supply components are not affected and can perform filtering work normally;

[0081] Align the upper end of the new membrane filter 3 with the ferrule-type quick-install ball valve 28 on the lower surface of the piston cylinder 6. Through the quick connection of the ferrule-type quick-install ball valve 28, connect the lower end of the membrane filter 3 to the threaded mounting tube 29 on the liquid collecting cylinder 4, tighten the nut 30 to fix it, rotate the piston cylinder 6 and limit it so that it is no longer slidingly connected to the diverter baffle 2. Finally, open the ferrule-type quick-install ball valve 28 to open the liquid inlet channel. At this time, the liquid on the diverter baffle 2 will enter the newly installed membrane filter 3 under the pressure of the piston-type extrusion liquid supply component, and the filtering work of the component will be smoothly restored.

[0082] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above-described embodiments. The above-described embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A maltose syrup saccharification liquid separation and purification device, characterized in that: The invention comprises a separation tank (1), wherein a coarse filter assembly is provided on the upper inner portion of the separation tank (1), a horizontally arranged diversion baffle (2) is fixedly connected to the middle portion of the separation tank (1), a plurality of groups of circumferentially distributed piston-type extrusion liquid supply assemblies are slidably connected to the diversion baffle (2), a driving structure for driving the piston-type extrusion liquid supply assemblies is connected to the top of the separation tank (1), and a lower portion of the piston-type extrusion liquid supply assembly is connected to a liquid collecting cylinder (4) via a membrane filter (3); The piston type extrusion liquid supply component comprises a plurality of groups of sliding holes (5) circumferentially distributed on the diversion baffle (2); a piston cylinder (6) is slidably connected in the sliding hole (5); a piston plate (7) is sealingly slidably connected in the piston cylinder (6); a movable tube (8) is fixedly connected to the upper surface of the piston plate (7); a positioning slide rod (9) fixedly connected to the coarse filter component is slidably connected to the inner side of the upper end of the movable tube (8); a return spring (10) is fixedly connected between the positioning slide rod (9) and the piston plate (7); a feed liquid port (11) communicating with the interior of the piston cylinder (6) is provided on one side of the upper part of the piston cylinder (6); a fixed rod (12) is fixedly connected to the side of the movable tube (8); an extrusion roller (13) is rotatably connected to the fixed rod (12); and the extrusion roller (13) is in extrusion contact with the driving structure; The driving structure includes a driving motor (14) arranged on the top of the separation tank (1), the lower end of the output shaft (15) of the driving motor (14) is detachably connected to a horizontally arranged conical guide plate (16) through a clamping assembly, a plurality of groups of radially arranged chute grooves (17) are distributed circumferentially on the conical guide plate (16), a slider (18) is slidably connected in the chute (17), the lower surface of the slider (18) is fixedly connected to an arc-shaped extrusion plate (19), a wedge-shaped guide surface (20) is provided at the lower part of the arc-shaped extrusion plate (19), and the wedge-shaped guide surface (20) is in extrusion contact with the extrusion roller (13).

2. A maltose syrup saccharified liquid separation and purification equipment according to claim 1, characterized in that, The clamping assembly includes a sliding ring (21) arranged at the center of the conical guide plate (16), the output shaft (15) of the drive motor (14) passes through the sliding ring (21), a positioning hole (22) is provided on the side of the sliding ring (21), and a plurality of groups of vertically distributed pin holes (23) are provided on the output shaft (15), and the positioning holes (22) are threadedly connected to the pin holes (23) through positioning bolts (24).

3. A maltose syrup saccharified liquid separation and purification equipment according to claim 2, characterized in that, A plurality of groups of circumferentially distributed arc-shaped rotating plates (25) are provided on the outer side of the lower end of the piston cylinder (6), and a plurality of groups of limiting plates (26) corresponding to the arc-shaped rotating plates (25) are distributed circumferentially on the lower surface of the diverter baffle (2). A rotating groove (27) is provided on one side of the limiting plate (26) close to the arc-shaped rotating plate (25), and the arc-shaped rotating plate (25) is located in the rotating groove (27) and is slidably connected to the rotating groove (27).

4. The maltose syrup saccharified liquid separation and purification equipment according to claim 3, characterized in that: A sleeve-type quick-install ball valve (28) is installed on the lower surface of the piston cylinder (6), the sleeve-type quick-install ball valve (28) is communicated with the interior of the piston cylinder (6), and the sleeve-type quick-install ball valve (28) is detachably connected to the upper end of the membrane filter (3).

5. The maltose syrup saccharified liquid separation and purification equipment according to claim 4, characterized in that: The upper surface flange of the liquid collecting cylinder (4) is connected to a plurality of sets of threaded mounting tubes (29) in communication with the liquid collecting cylinder (4), the outer sides of the threaded mounting tubes (29) are threadedly connected to nuts (30), and the lower end of the membrane filter (3) is detachably connected to the threaded mounting tubes (29); The lower surface of the liquid collecting cylinder (4) is connected to a liquid drain pipe (31), and the lower surface of the liquid collecting cylinder (4) is provided with a plurality of groups of supporting legs (32). An inspection structure is connected between the liquid collecting cylinder (4) and the diversion baffle (2).

6. The maltose syrup saccharified liquid separation and purification equipment according to claim 5, characterized in that: The coarse filter assembly includes a connecting plate (33) fixedly connected to the inner wall of the separation tank (1), a plurality of groups of fan-shaped grooves (34) extending therethrough are provided on the connecting plate (33), a fan-shaped filter plate (35) corresponding to the fan-shaped grooves (34) is detachably connected to the upper surface of the connecting plate (33), and a plurality of groups of circumferentially distributed stirring rods (36) are fixedly connected to the side surface of the upper portion of the output shaft (15); The upper end of the positioning slide rod (9) is fixedly connected to the lower surface of the connecting plate (33); the conical guide plate (16) is provided with connecting holes (37); and the upper side of the separation tank (1) is connected to a liquid inlet pipe (38).

7. The maltose syrup saccharified liquid separation and purification equipment according to claim 6, characterized in that: The maintenance structure includes a plurality of support rods (39) connected between the diversion baffle (2) and the liquid collecting cylinder (4), a plurality of bolt mounting holes (40) are provided on one side of the support rod (39), and an arc-shaped maintenance plate (41) is provided on the outer side of the support rod (39). The arc-shaped maintenance plate (41) is threadedly connected to the bolt mounting hole (40) of the support rod (39) through a fixing bolt (42).

8. A process for separating and purifying maltose syrup saccharified liquid, using the maltose syrup saccharified liquid separation and purification equipment according to any one of claims 1 to 7, characterized in that: The following steps are involved: Step 1: introducing the saccharified liquid into a separation tank (1) and performing preliminary filtration through a coarse filtration component; Step 2: The saccharified liquid flows through the diversion baffle (2) and converges to the piston-type extrusion liquid supply component; Step 3: adjusting the driving speed of the driving structure according to the feeding speed of the saccharified liquid, and squeezing the piston-type squeezing liquid supply component through the driving structure to press the saccharified liquid into the membrane filter (3); Step 4: The membrane filter (3) supplies the filtered saccharified liquid into the liquid collection cylinder (4).

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