A negative pressure concentrator for maltose syrup

Abstract

The invention relates to the technical field of concentrating equipment, and in particular to a negative pressure concentrator for maltose syrup, comprising a concentrating tank, a cover plate and an exhaust pipe; further comprising a mounting plate, a push cylinder, a motor, a shaft tube, a filter basket and a plurality of filter plates, wherein the fixed end of the push cylinder and the motor are mounted on the mounting plate, the lower end of the piston rod of the push cylinder is mounted on the cover plate, the output shaft of the motor is transmission-connected with the upper end of the shaft tube, the filter basket is mounted on the lower end of the shaft tube, the outer wall of the filter basket is in sliding contact with the inner wall of the concentrating tank, the outer ends and inner ends of a plurality of filter plates are respectively rotationally mounted in a plurality of openings of the filter basket through hinged shafts, an angle adjustment component of the filter plate is installed between the shaft tube and the filter basket, the angle adjustment component is transmission-connected with the inner end hinged shafts of the plurality of filter plates, a plurality of air holes are arranged on the lower side wall of the shaft tube, and the air holes are located in the concentrating chamber of the concentrating tank; the negative pressure concentrator for maltose syrup can be stirred and poured down in the form of liquid columns, thereby increasing the evaporation surface area, and improving the water evaporation, concentration efficiency and stirring effect.

Description

Technical Field

[0001] The invention relates to the technical field of concentrating equipment, in particular to a negative pressure concentrator for maltose syrup. Background Art

[0002] During the production process, barley maltose syrup needs to be concentrated to reduce the water content of the barley maltose syrup. A concentrator is needed for the concentration. For example, a syrup concentrator is proposed in the Chinese utility model patent with publication number CN221358530U. The concentrator is provided with a stirring structure, and a driving motor is started to rotate the stirring shaft, and the stirring shaft drives the stirring rod on the stirring shaft to rotate, so that the stirring rod fully stirs the syrup inside the machine body, so that the syrup is evenly heated and better concentrated, thereby achieving the improvement of the concentration efficiency and the quality of the concentrated syrup.

[0003] However, the above-mentioned syrup concentrator can only perform simple stirring operation when working, and the syrup gathers at the bottom of the concentrating cylinder, resulting in a small evaporation surface area and a low evaporation efficiency of water in the syrup. When the barley maltose syrup is concentrated, the viscosity increases, resulting in a decrease in the stirring effect. Summary of the invention

[0004] In order to solve the above technical problems, the present invention provides a negative pressure concentrator for maltose syrup which can stir maltose syrup and pour it in the form of liquid column, thereby increasing the evaporation surface area, and improving the water evaporation, concentration efficiency and stirring effect.

[0005] A negative pressure concentrator for maltose syrup of the present invention comprises a concentrating tank, a cover plate and an exhaust pipe. A concentrating chamber is arranged inside the concentrating tank, an upper end surface of the concentrating tank is arranged with an upper port communicating with the concentrating chamber, a heating component is arranged on the side wall of the concentrating tank, the cover plate is mounted on the upper port of the concentrating tank, and an input end of the exhaust pipe extends into the concentrating chamber of the concentrating tank; the negative pressure concentrator also comprises a mounting plate, a push cylinder, a motor, a shaft tube, a filter basket and a plurality of filter plates, the fixed end of the push cylinder is mounted on the mounting plate, the lower end of the piston rod of the push cylinder is mounted on the cover plate, the motor is mounted on the mounting plate, the output shaft of the motor is transmission-connected with the upper end of the shaft tube, the lower part of the shaft tube passes through the cover plate and extends into the concentrating chamber of the concentrating tank, the filter basket is mounted on the lower end of the shaft tube, and the outer wall of the filter basket is in sliding contact with the inner wall of the concentrating tank. , a plurality of openings are arranged at the bottom of the filter basket, and the outer ends and inner ends of the plurality of filter plates are rotatably installed in the plurality of openings of the filter basket through hinged shafts respectively, an angle adjustment assembly of the filter plate is installed between the filter basket and the shaft tube, the angle adjustment assembly is transmission-connected with the hinged shafts at the inner ends of the plurality of filter plates, the angle adjustment assembly adjusts the angles of the plurality of filter plates, a plurality of air holes are arranged on the lower side wall of the shaft tube, and the air holes are located in the concentrating chamber of the concentrating tank; when working, the gas in the concentrating chamber of the concentrating tank is extracted by the exhaust pipe, so that a negative pressure is formed in the concentrating chamber, and the negative pressure reduces the boiling point of the water in the maltose syrup, increases the evaporation rate of the water, and prevents the maltose syrup from being burned by high temperature, and the piston rod of the push cylinder is extended to lift the mounting plate, the motor, the shaft tube and the filter basket to the concentrating chamber of the concentrating tank The filter basket is moved to the middle of the chamber, and multiple filter plates are rotated to a horizontal state so that the multiple filter plates close the multiple openings of the filter basket, and the diluted maltose syrup is input into the filter basket in the concentrating chamber of the concentrating tank. The heating component of the concentrating tank works, and the maltose syrup in the filter basket flows downward to the bottom of the concentrating chamber of the concentrating tank in the form of a liquid column through the filter holes of the multiple filter plates, thereby increasing the evaporation surface area of ​​the maltose syrup, and allowing the water in the maltose syrup to evaporate quickly at a lower temperature. The water vapor evaporated from the surface of the maltose slurry column is collected between the filter basket and the bottom of the concentrating chamber of the concentrating tank, and the water vapor enters the interior of the shaft tube through the lower port of the shaft tube and is input to the top of the filter basket through multiple air holes, and then the water vapor is extracted through the exhaust pipe. When the filter basket After all the barley maltose syrup has flowed out, the angle adjustment component adjusts the angles of the multiple filter plates so that the multiple filter plates open the multiple openings of the filter basket and one side of the multiple filter plates extends out from under the filter basket, the piston rod of the push cylinder contracts to lower the filter basket, so that the side edges of the multiple filter plates are in sliding contact with the bottom of the concentrating chamber of the concentrating tank, and the motor drives the shaft tube to rotate, and the shaft tube drives the filter basket and the multiple filter plates to rotate, so that the multiple filter plates stir and turn the barley maltose syrup at the bottom of the concentrating chamber of the concentrating tank, and the evaporated water vapor is extracted through the exhaust pipe. After stirring evenly, the angle adjustment component adjusts the multiple filter plates to a horizontal level, and the filter basket rises again, and the above-mentioned maltose slurry column downward flow process and stirring and turning process are repeated to improve water evaporation, concentration efficiency and stirring effect.

[0006] Preferably, the angle adjustment component includes a mounting seat, a one-way flywheel, a bevel gear 1 and multiple bevel gear 2s. The mounting seat is installed in the middle of the filter basket, a circular hole is set in the middle of the mounting seat, the lower end of the shaft tube is concentrically penetrated in the circular hole of the mounting seat, the one-way flywheel is sleeved on the outer wall of the lower end of the shaft tube, the rotating outer ring of the one-way flywheel is concentrically connected to the mounting seat, the hinge shafts at the inner ends of the multiple filter plates are rotatably connected to the mounting seat, the inner end hinge shafts of the multiple filter plates are all concentrically installed with bevel gear 2, the multiple bevel gears 2 are all meshed with bevel gear 1, and the bevel gears are concentrically installed on the shaft tube The shaft tube is connected to the mounting seat in one direction through a one-way flywheel, so that the shaft tube can only drive the mounting seat to rotate in one direction. When the shaft tube drives the mounting seat and the filter basket to rotate through the one-way flywheel, the multiple bevel gears 2 and the bevel gear 1 remain relatively stable. At this time, the multiple filter plates will not rotate. When the shaft tube is reversed, the shaft tube rotates relative to the mounting seat and the filter basket through the one-way flywheel. At this time, the bevel gear 1 is engaged to drive the multiple bevel gears 2 to rotate, and the multiple bevel gears 2 respectively drive the multiple filter plates to rotate, thereby adjusting the angles between the multiple filter plates and the bottom of the filter basket, which has good practicality.

[0007] Preferably, it also includes a discharge pipe and a discharge hole, the discharge pipe is installed on the concentration tank, the input end of the discharge pipe is connected to the upper part of the concentration chamber of the concentration tank, the discharge hole is arranged on the side wall of the filter basket, and the discharge hole matches the input end of the discharge pipe; when the maltose syrup is concentrated to a specified concentration, the filter basket is lifted to the upper part of the concentration chamber of the concentration tank, and the discharge hole is aligned and connected with the input end of the discharge pipe, the discharge pipe is opened, and the maltose syrup in the filter basket is discharged through the discharge hole and the discharge pipe, thereby realizing automatic discharge.

[0008] Preferably, it also includes a plurality of gate plates, which are respectively located above the plurality of filter plates, the inner ends of the plurality of gate plates are rotatably hinged with the mounting seat, and the mounting seat and the shaft tube are provided with a pitch assembly of the plurality of gate plates, and the pitch assembly adjusts the opening and closing angles of the plurality of gate plates and the plurality of filter plates; in the maltose syrup concentration stage, the pitch assembly lifts the plurality of gate plates to form gaps between the plurality of gate plates and the plurality of filter plates, and the maltose syrup can flow through the filter holes of the plurality of filter plates at this time; when the concentrated maltose syrup needs to be discharged through the discharge hole and the discharge pipe, the pitch assembly lays the plurality of gate plates flat and covers the plurality of filter plates to prevent the maltose syrup from flowing through the filter holes of the filter plates, thereby improving the discharge effect.

[0009] Preferably, the pitch assembly includes a lifting seat ring, multiple tie rods and a lifting tube. The lifting seat ring is slidably sleeved on the outer wall of the lower end of the shaft tube, the lifting seat ring is located above the mounting seat, the lower ends of the multiple tie rods are rotatably connected to the multiple gate plates respectively, and the upper ends of the multiple tie rods are rotatably connected to the lifting seat ring. The lifting tube is slidably sleeved on the shaft tube, and the lower end of the lifting tube is connected to the lifting seat ring; the lifting tube is raised along the shaft tube to raise the lifting seat ring, and the lifting seat ring lifts the multiple gate plates upwards through the multiple tie rods to form gaps between the multiple gate plates and the multiple filter plates; the lifting tube is lowered along the shaft tube to make the lifting seat ring descend, and the lifting seat ring flattens the multiple gate plates downwards through the multiple tie rods, so that the multiple gate plates are respectively covered on the multiple filter plates, thereby realizing the pitch adjustment of the multiple gate plates, which has good practicality.

[0010] Preferably, it also includes a disc and a push cylinder 2, the disc is concentrically installed on the upper end of the lifting tube, the disc is located on the outer side of the upper end of the shaft tube, the disc is located above the cover plate, the fixed end of the push cylinder 2 is installed on the mounting plate, and the piston rod of the push cylinder 2 is slidably connected to the disc; the piston rod of the push cylinder 2 is extended to push the lifting tube downward through the disc, and multiple gate plates are laid flat, and the piston rod of the push cylinder 2 is contracted to lift the lifting tube through the disc, and multiple gate plates are raised. The technology is mature and practical.

[0011] Preferably, it also includes a plurality of slide bars, which are vertically mounted on the mounting seat, and the lifting seat ring is slidably connected to the plurality of slide bars; the plurality of slide bars guide the lifting seat ring for sliding movement, thereby improving the stability of the lifting seat ring.

[0012] Preferably, it also includes a cooling barrel and a vacuum pump. The cooling barrel is located outside the concentration tank. A collecting chamber is arranged inside the cooling barrel. The output end of the discharge pipe and the output end of the exhaust pipe 1 both extend into the collecting chamber of the cooling barrel. The vacuum pump is installed on the cooling barrel. The exhaust pipe of the vacuum pump extends into the upper part of the collecting chamber of the cooling barrel. When the vacuum pump is running, it extracts the gas in the collecting chamber of the cooling barrel through the exhaust pipe, and then extracts the gas in the concentrating chamber of the concentration tank through the exhaust pipe 1, which also facilitates the input of the maltose syrup into the collecting chamber of the cooling barrel through the discharge pipe, and has good practicality.

[0013] Preferably, it also includes a collecting bucket, which is installed on the input end of the exhaust pipe one, the collecting bucket is located at the upper part of the filter basket, the exhaust pipe one is connected to the mounting plate, and the exhaust pipe one is slidably connected to the cover plate; when the mounting plate is raised or lowered, the exhaust pipe one and the collecting bucket are driven to rise or fall, so that the collecting bucket is always located a certain distance above the filter basket, when multiple filter plates stir and turn the maltose syrup, the foam formed by the bubbles generated on the maltose syrup is absorbed and removed by the collecting bucket, and the foam enters the collecting chamber of the cooling barrel through the exhaust pipe one, thereby achieving a defoaming effect.

[0014] Preferably, it also includes a cold zone water jacket, which is installed on the cooling barrel and cools the cooling barrel. The cold zone water jacket cools the cooling barrel by cooling the cooling barrel, so that the absorbed foam is cooled, broken and condensed, thereby improving the discharge effect.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. During operation, the gas in the concentration chamber of the concentration tank is extracted by the exhaust pipe, so that negative pressure is formed in the concentration chamber. The negative pressure reduces the boiling point of the water in the maltose syrup, increases the evaporation rate of the water, and prevents the maltose syrup from being burned by high temperature;

[0017] 2. The maltose syrup in the filter basket flows downward to the bottom of the concentration chamber of the concentration tank in the form of a liquid column through the filter holes of the multiple filter plates, thereby increasing the evaporation surface area of ​​the maltose syrup, allowing the water in the maltose syrup to evaporate quickly at a lower temperature. The water vapor evaporated from the surface of the maltose syrup liquid column is collected between the filter basket and the bottom of the concentration chamber of the concentration tank. The water vapor enters the interior of the shaft tube through the lower port of the shaft tube and is input to the top of the filter basket through multiple air holes, and then the water vapor is extracted through the exhaust pipe 1;

[0018] 3. Multiple filter plates stir and turn the barley maltose syrup at the bottom of the concentration chamber of the concentration tank, and the evaporated water vapor is extracted through the exhaust pipe. After stirring evenly, the angle adjustment component adjusts the multiple filter plates to the horizontal level, and the filter basket is raised again, repeating the above-mentioned barley maltose slurry column downward flow process and stirring and turning process to improve water evaporation, concentration efficiency and stirring effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the present invention;

[0020] Figure 2 It is a front cross-sectional structural schematic diagram of the present invention;

[0021] Figure 3 It is a schematic diagram of the axonometric structure of the present invention;

[0022] Figure 4 It is a schematic diagram of the exploded structure of the motor, shaft tube, filter basket, filter plate, gate plate and angle adjustment assembly;

[0023] Figure 5 yes Figure 1 A schematic diagram of the local enlarged structure at point A in the middle;

[0024] Figure 6 It is an axonometric structural schematic diagram of the barley maltose syrup in a pouring state of the present invention;

[0025] Figure 7 It is a schematic diagram of the axonometric structure of the barley maltose syrup in a pouring state as viewed from above;

[0026] Figure 8 It is an axonometric schematic diagram of the stirring state of the barley maltose syrup of the present invention;

[0027] Fig. 9 It is a schematic diagram of the axonometric structure of the present invention in a state of stirring maltose syrup when viewed from above;

[0028] Fig.10 It is a structural schematic diagram of the state of discharging maltose syrup of the present invention.

[0029] Markings in the attached figure: 1. Concentration tank; 2. Cover plate; 3. Exhaust pipe 1; 4. Mounting plate; 5. Push cylinder; 6. Motor; 7. Shaft tube; 8. Filter basket; 9. Filter plate; 10. Gate; 11. One-way flywheel; 12. Bevel gear 1; 13. Bevel gear 2; 14. Discharge pipe; 15. Discharge hole; 16. Lifting seat ring; 17. Pull rod; 18. Lifting pipe; 19. Disc; 20. Push cylinder 2; 21. Slide rod; 22. Cooling barrel; 23. Vacuum pump; 24. Collecting bucket; 25. Cold zone water jacket; 26. Mounting seat. DETAILED DESCRIPTION

[0030] In order to facilitate understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0031] Example 1

[0032] like Figures 1 to 10As shown, a negative pressure concentrator for maltose syrup includes a concentrating tank 1, a cover plate 2 and an exhaust pipe 3. A concentrating chamber is arranged inside the concentrating tank 1, an upper end surface of the concentrating tank 1 is provided with an upper port connected to the concentrating chamber, a heating component is arranged on the side wall of the concentrating tank 1, the cover plate 2 is installed on the upper port of the concentrating tank 1, and the input end of the exhaust pipe 3 extends into the concentrating chamber of the concentrating tank 1; it also includes a mounting plate 4, a push cylinder 5, a motor 6, a shaft tube 7, a filter basket 8 and a plurality of filter plates 9, the push cylinder 5 The fixed end is mounted on the mounting plate 4, the lower end of the piston rod of the push cylinder 5 is mounted on the cover plate 2, the motor 6 is mounted on the mounting plate 4, the output shaft of the motor 6 is transmission-connected with the upper end of the shaft tube 7, the lower part of the shaft tube 7 passes through the cover plate 2 and extends into the concentration chamber of the concentration tank 1, the filter basket 8 is mounted on the lower end of the shaft tube 7, the outer wall of the filter basket 8 is in sliding contact with the inner wall of the concentration tank 1, a plurality of openings are arranged at the bottom of the filter basket 8, the outer ends and inner ends of a plurality of filter plates 9 are respectively rotationally mounted in the plurality of openings of the filter basket 8 through hinged shafts, an angle adjustment component of the filter plate 9 is installed between the filter basket 8 and the shaft tube 7, the angle adjustment component is transmission-connected with the inner end hinged shafts of the plurality of filter plates 9, the angle adjustment component adjusts the angles of the plurality of filter plates 9, a plurality of air holes are arranged on the lower side wall of the shaft tube 7, the air holes are located in the concentration chamber of the concentration tank 1; the angle adjustment component comprises a mounting seat 26, a one-way flywheel 11, a bevel gear one 12 and a plurality of bevel gears two 13, a mounting seat 26 is installed in the middle of the filter basket 8, the mounting seat 2 A circular hole is set in the middle of 6, and the lower end of the shaft tube 7 is concentrically penetrated in the circular hole of the mounting seat 26. The one-way flywheel 11 is sleeved on the outer wall of the lower end of the shaft tube 7, and the rotating outer ring of the one-way flywheel 11 is concentrically connected with the mounting seat 26. The hinge shafts at the inner ends of the multiple filter plates 9 are rotatably connected with the mounting seat 26. The inner end hinge shafts of the multiple filter plates 9 are all concentrically installed with bevel gears 13, and the multiple bevel gears 13 are all meshed with bevel gears 12. Bevel gears 12 are concentrically installed on the outer wall of the shaft tube 7.

[0033] During operation, the gas in the concentration chamber of the concentration tank 1 is extracted by the exhaust pipe 3, so that a negative pressure is formed in the concentration chamber. The negative pressure reduces the boiling point of the water in the maltose syrup, increases the evaporation rate of the water, and prevents the maltose syrup from being burned by high temperature. The piston rod of the push cylinder 5 is extended to lift the mounting plate 4, the motor 6, the shaft tube 7 and the filter basket 8 to the middle of the concentration chamber of the concentration tank 1, and rotate the multiple filter plates 9 to a horizontal state, so that the multiple filter plates 9 close the multiple openings of the filter basket 8, and the diluted maltose syrup is input into the filter basket 8 in the concentration chamber of the concentration tank 1. The hot component works, and the maltose syrup in the filter basket 8 flows downward to the bottom of the concentration chamber of the concentration tank 1 in the form of a liquid column through the filter holes of the multiple filter plates 9, thereby increasing the evaporation surface area of ​​the maltose syrup, so that the water in the maltose syrup evaporates quickly at a lower temperature, and the water vapor evaporated from the surface of the maltose syrup liquid column gathers between the filter basket 8 and the bottom of the concentration chamber of the concentration tank 1, and the water vapor enters the interior of the shaft tube 7 through the lower port of the shaft tube 7 and is input to the top of the filter basket 8 through multiple air holes, and then the water vapor is extracted through the exhaust pipe 3. When the barley maltose syrup in the filter basket 8 After all the maltose syrup flows out, the shaft tube 7 is connected with the mounting seat 26 through the one-way flywheel 11, so that the shaft tube 7 can only drive the mounting seat 26 to rotate in one direction. The shaft tube 7 is reversed, and the shaft tube 7 rotates relative to the mounting seat 26 and the filter basket 8 through the one-way flywheel 11. At this time, the bevel gear 1 12 is engaged to drive the multiple bevel gears 2 13 to rotate, and the multiple bevel gears 2 13 respectively drive the multiple filter plates 9 to rotate, thereby adjusting the angles of the multiple filter plates 9 and the bottom of the filter basket 8, so that the multiple filter plates 9 open the multiple openings of the filter basket 8, and one side of the multiple filter plates 9 extends out from the bottom of the filter basket 8, and the activity of the push cylinder 5 The plug rod contracts to make the filter basket 8 drop, so that the sides of the multiple filter plates 9 are in sliding contact with the bottom of the concentration chamber of the concentration tank 1, and the motor 6 drives the shaft tube 7 to rotate, and the shaft tube 7 drives the filter basket 8 and the multiple filter plates 9 to rotate, so that the multiple filter plates 9 stir and turn the maltose syrup at the bottom of the concentration chamber of the concentration tank 1, and the evaporated water vapor is extracted through the exhaust pipe 3. After stirring evenly, the angle adjustment component adjusts the multiple filter plates 9 to a horizontal level, and the filter basket 8 rises again, repeating the above-mentioned maltose slurry column downward flow process and stirring and turning process, thereby improving water evaporation, concentration efficiency and stirring effect.

[0034] Example 2

[0035] like Figure 1 , Figure 2 , Figures 4 to 9As shown, on the basis of Example 1, it also includes a discharge pipe 14 and a discharge hole 15, the discharge pipe 14 is installed on the concentration tank 1, the input end of the discharge pipe 14 is connected to the upper part of the concentration chamber of the concentration tank 1, and the discharge hole 15 is arranged on the side wall of the filter basket 8, and the discharge hole 15 matches the input end of the discharge pipe 14; it also includes a plurality of gate plates 10, the plurality of gate plates 10 are respectively located above the plurality of filter plates 9, the inner ends of the plurality of gate plates 10 are rotatably hinged with the mounting seat 26, the mounting seat 26 and the shaft tube 7 are installed with a pitching assembly of the plurality of gate plates 10, and the pitching assembly adjusts the opening and closing angles of the plurality of gate plates 10 and the plurality of filter plates 9; the pitching assembly includes a lifting seat ring 16, a plurality of pull rods 17 and a lifting pipe 18, and the lifting seat ring 16 is slidably sleeved on the lower end outer wall of the shaft tube 7 The lifting seat ring 16 is located above the mounting seat 26, the lower ends of the plurality of pull rods 17 are rotatably connected to the plurality of gate plates 10 respectively, the upper ends of the plurality of pull rods 17 are rotatably connected to the lifting seat ring 16, the lifting tube 18 is slidably sleeved on the shaft tube 7, and the lower end of the lifting tube 18 is connected to the lifting seat ring 16; it also includes a disc 19 and a push cylinder 20, the upper end of the lifting tube 18 is concentrically mounted with the disc 19, the disc 19 is located on the outer side of the upper end of the shaft tube 7, the disc 19 is located above the cover plate 2, the fixed end of the push cylinder 20 is mounted on the mounting plate 4, and the piston rod of the push cylinder 20 is slidably connected to the disc 19; it also includes a plurality of slide rods 21, the plurality of slide rods 21 are vertically mounted on the mounting seat 26, and the lifting seat ring 16 is slidably connected to the plurality of slide rods 21.

[0036] In the stage of concentrating the maltose syrup, the piston rod of the push cylinder 20 contracts to raise the lifting pipe 18 along the shaft tube 7 through the disc 19, and raises the lifting seat ring 16. The lifting seat ring 16 lifts the multiple gate plates 10 upward through multiple pull rods 17, so that gaps are formed between the multiple gate plates 10 and the multiple filter plates 9. At this time, the maltose syrup can flow down through the filter holes of the multiple filter plates 9; when the maltose syrup is concentrated to a specified concentration, the piston rod of the push cylinder 20 extends to raise the lifting pipe 18 along the shaft tube 7 through the disc 19. 7 is lowered, so that the lifting seat ring 16 is lowered, and the lifting seat ring 16 lowers the multiple gate plates 10 through multiple pull rods 17, so that the multiple gate plates 10 are respectively covered on the multiple filter plates 9 to prevent the maltose syrup from flowing down through the filter holes of the filter plates 9, and the filter basket 8 is lifted to the upper part of the concentration chamber of the concentration tank 1, and the discharge hole 15 is aligned and connected with the input end of the discharge pipe 14, and the discharge pipe 14 is opened, so that the maltose syrup in the filter basket 8 is discharged through the discharge hole 15 and the discharge pipe 14, and automatic discharge is realized.

[0037] Example 3

[0038] like Figure 1 , Figure 2 , Figure 4 , Figure 5 and Fig.10As shown, on the basis of Examples 1 and 2, it also includes a cooling barrel 22 and a vacuum pump 23, the cooling barrel 22 is located outside the concentration tank 1, a collecting chamber is arranged inside the cooling barrel 22, the output end of the discharge pipe 14 and the output end of the exhaust pipe 3 are both extended into the collecting chamber of the cooling barrel 22, the vacuum pump 23 is installed on the cooling barrel 22, and the exhaust pipe of the vacuum pump 23 is extended into the upper part of the collecting chamber of the cooling barrel 22; it also includes a collecting bucket 24, the collecting bucket 24 is installed on the input end of the exhaust pipe 3, the collecting bucket 24 is located at the upper part of the filter basket 8, the exhaust pipe 3 is connected to the mounting plate 4, and the exhaust pipe 3 is slidably connected to the cover plate 2; it also includes a cold zone water jacket 25, the cold zone water jacket 25 is installed on the cooling barrel 22, and the cold zone water jacket 25 cools the cooling barrel 22.

[0039] The operation of the vacuum pump 23 extracts the gas in the collection chamber of the cooling barrel 22 through the exhaust pipe, and then extracts the gas in the concentration chamber of the concentration tank 1 through the exhaust pipe 3, which is also convenient for the maltose syrup to be input into the collection chamber of the cooling barrel 22 through the discharge pipe 14. When the mounting plate 4 is raised or lowered, the exhaust pipe 3 and the collecting bucket 24 are driven to rise or fall, so that the collecting bucket 24 is always located a certain distance above the filter basket 8. When multiple filter plates 9 stir and turn the maltose syrup, the foam formed by the bubbles generated on the maltose syrup is absorbed and removed by the collecting bucket 24, and the foam enters the collection chamber of the cooling barrel 22 through the exhaust pipe 3 to achieve a defoaming effect. The cooling barrel 22 is cooled by the cold zone water jacket 25, so that the absorbed foam is cooled, broken and condensed, thereby improving the discharge effect.

[0040] like Figures 1 to 10As shown, a negative pressure concentrator for maltose syrup of the present invention, when it is working, firstly, the vacuum pump 23 is operated to extract the gas in the collecting chamber of the cooling barrel 22 through the exhaust pipe, and then the gas in the concentrating chamber of the concentrating tank 1 is extracted through the exhaust pipe 3, so that negative pressure is formed in the concentrating chamber, and the negative pressure reduces the boiling point of the water in the maltose syrup, increases the speed of water evaporation, and prevents the maltose syrup from being burned by high temperature, and then the piston rod of the push cylinder 5 is extended to lift the mounting plate 4, the motor 6, the shaft tube 7 and the filter basket 8 to the middle of the concentrating chamber of the concentrating tank 1, and rotate the multiple filter plates 9 to a horizontal state, so that the multiple filter plates 9 close the multiple openings of the filter basket 8, and the diluted maltose syrup is input into the filter basket 8 in the concentrating chamber of the concentrating tank 1, and the heating of the concentrating tank 1 The components work, and the maltose syrup in the filter basket 8 flows downward in the form of a liquid column through the filter holes of multiple filter plates 9 to the bottom of the concentration chamber of the concentration tank 1, thereby increasing the evaporation surface area of ​​the maltose syrup, allowing the water in the maltose syrup to evaporate quickly at a lower temperature. The water vapor evaporated from the surface of the maltose syrup liquid column gathers between the filter basket 8 and the bottom of the concentration chamber of the concentration tank 1, and the water vapor enters the interior of the shaft tube 7 through the lower port of the shaft tube 7 and is input to the top of the filter basket 8 through multiple air holes, so that the water vapor is extracted through the exhaust pipe 3. Then, when all the maltose syrup in the filter basket 8 flows out, the shaft tube 7 reverses, and the shaft tube 7 rotates relative to the mounting seat 26 and the filter basket 8 through the one-way flywheel 11. At this time, the bevel gear 12 engages to drive multiple bevel gears 2 13 rotates, and the multiple bevel gears 13 respectively drive the multiple filter plates 9 to rotate, thereby adjusting the angles of the multiple filter plates 9 and the bottom of the filter basket 8, so that the multiple filter plates 9 open the multiple openings of the filter basket 8 and make one side of the multiple filter plates 9 extend out from the bottom of the filter basket 8, the piston rod of the push cylinder 5 contracts to make the filter basket 8 descend, so that the side edges of the multiple filter plates 9 slide in contact with the bottom of the concentration chamber of the concentration tank 1, the motor 6 drives the shaft tube 7 to rotate, and the shaft tube 7 drives the filter basket 8 and the multiple filter plates 9 to rotate, so that the multiple filter plates 9 stir and turn the barley maltose syrup at the bottom of the concentration chamber of the concentration tank 1, and the foam formed by the evaporated water vapor is collected by the collecting bucket 24 and is extracted by the exhaust pipe 3 and transported to the collection chamber of the cooling barrel 22. After stirring evenly, the shaft tube 7 is reversed again to turn the multiple filter plates The plate 9 is adjusted to be horizontal, and the filter basket 8 is raised again, and the above-mentioned maltose slurry column downward flow process and stirring and turning process are repeated. Finally, when the maltose syrup is concentrated to the specified concentration, the piston rod of the push cylinder 20 is extended to push the lifting pipe 18 downward through the disc 19, so that the lifting seat ring 16 descends, and the lifting seat ring 16 lowers the multiple gate plates 10 downward through multiple pull rods 17, so that the multiple gate plates 10 are respectively covered on the multiple filter plates 9, and the filter basket 8 is lifted to the upper part of the concentration chamber of the concentration tank 1, and the discharge hole 15 is aligned and connected with the input end of the discharge pipe 14, and the discharge pipe 14 is opened, so that the maltose syrup in the filter basket 8 is discharged into the collection chamber of the cooling barrel 22 through the discharge hole 15 and the discharge pipe 14, and the maltose syrup in the cooling barrel 22 is discharged after cooling.

[0041] The main functions achieved by the present invention are:

[0042] 1. It can stir the barley maltose syrup and pour it in the form of liquid column, increase the evaporation surface area, and improve the water evaporation, concentration efficiency and stirring effect;

[0043] 2. It is convenient to adjust the angle of the filter plate 9 to achieve different concentration effects;

[0044] 3. Can easily discharge maltose syrup;

[0045] 4. It can effectively eliminate the foam on the barley malt syrup;

[0046] 5. It can cool and condense the discharged barley maltose syrup and foam.

[0047] The installation method, connection method or setting method of the negative pressure concentrator of maltose syrup of the present invention are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented; the concentrating tank 1, cover plate 2, exhaust pipe 1 3, push cylinder 5, motor 6, shaft tube 7, filter plate 9, one-way flywheel 11, bevel gear 1 12, bevel gear 2 13, push cylinder 20, slide rod 21, cooling barrel 22, vacuum pump 23, and cold zone water jacket 25 of the negative pressure concentrator of maltose syrup of the present invention are purchased on the market, and technicians in the industry only need to install and operate them according to the accompanying instruction manual, without the need for creative labor by technicians in this field.

[0048] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A negative pressure concentrator for maltose syrup, comprising a concentrating tank (1), a cover plate (2) and an exhaust pipe (3), wherein a concentrating chamber is arranged inside the concentrating tank (1), an upper port communicating with the concentrating chamber is arranged on the upper end surface of the concentrating tank (1), a heating component is arranged on the side wall of the concentrating tank (1), the cover plate (2) is mounted on the upper port of the concentrating tank (1), and an input end of the exhaust pipe (3) extends into the concentrating chamber of the concentrating tank (1); characterized in that: The invention also comprises a mounting plate (4), a push cylinder (5), a motor (6), a shaft tube (7), a filter basket (8) and a plurality of filter plates (9), wherein the fixed end of the push cylinder (5) is mounted on the mounting plate (4), the lower end of the piston rod of the push cylinder (5) is mounted on the cover plate (2), the motor (6) is mounted on the mounting plate (4), the output shaft of the motor (6) is drivingly connected to the upper end of the shaft tube (7), the lower part of the shaft tube (7) passes through the cover plate (2) and extends into the concentration chamber of the concentration tank (1), the filter basket (8) is mounted on the lower end of the shaft tube (7), and the outer wall of the filter basket (8) is The filter basket (8) is in sliding contact with the inner wall of the concentration tank (1); a plurality of openings are arranged at the bottom of the filter basket (8); the outer ends and inner ends of the plurality of filter plates (9) are rotatably mounted in the plurality of openings of the filter basket (8) via hinged shafts respectively; an angle adjustment component of the filter plates (9) is installed between the filter basket (8) and the shaft tube (7); the angle adjustment component is in driving connection with the hinged shafts at the inner ends of the plurality of filter plates (9); the angle adjustment component adjusts the angles of the plurality of filter plates (9); a plurality of air holes are arranged on the lower side wall of the shaft tube (7); the air holes are located in the concentration chamber of the concentration tank (1); The angle adjustment component comprises a mounting seat (26), a one-way flywheel (11), a bevel gear one (12) and a plurality of bevel gear twos (13); the mounting seat (26) is mounted in the middle of the filter basket (8); a circular hole is arranged in the middle of the mounting seat (26); the lower end of the shaft tube (7) is concentrically inserted into the circular hole of the mounting seat (26); the one-way flywheel (11) is sleeved on the outer wall of the lower end of the shaft tube (7); the rotating outer ring of the one-way flywheel (11) is concentrically connected to the mounting seat (26); the hinge shafts at the inner ends of the plurality of filter plates (9) are rotatably connected to the mounting seat (26); the hinge shafts at the inner ends of the plurality of filter plates (9) are all concentrically mounted with bevel gear twos (13); the plurality of bevel gear twos (13) are all meshed with bevel gear one (12); and bevel gear one (12) is concentrically mounted on the outer wall of the shaft tube (7); It also comprises a discharge pipe (14) and a discharge hole (15), the discharge pipe (14) being mounted on the concentration tank (1), the input end of the discharge pipe (14) being in communication with the upper portion of the concentration chamber of the concentration tank (1), the discharge hole (15) being arranged on the side wall of the filter basket (8), the discharge hole (15) matching the input end of the discharge pipe (14); It also comprises a plurality of gate plates (10), the plurality of gate plates (10) being respectively located above the plurality of filter plates (9), the inner ends of the plurality of gate plates (10) being rotatably hinged to the mounting seat (26), the plurality of gate plates (10) being mounted on the mounting seat (26) and the shaft tube (7), the plurality of gate plates (10) being mounted on the pitching assembly, the plurality of gate plates (10) being used to adjust the opening and closing angles of the plurality of gate plates (10) and the plurality of filter plates (9); The pitch assembly comprises a lifting seat ring (16), a plurality of tie rods (17) and a lifting tube (18); the lifting seat ring (16) is slidably sleeved on the outer wall of the lower end of the shaft tube (7); the lifting seat ring (16) is located above the mounting seat (26); the lower ends of the plurality of tie rods (17) are rotatably connected to the plurality of gate plates (10) respectively; the upper ends of the plurality of tie rods (17) are rotatably connected to the lifting seat ring (16); the lifting tube (18) is slidably sleeved on the shaft tube (7); and the lower end of the lifting tube (18) is connected to the lifting seat ring (16).

2. A barley maltose syrup negative pressure concentrator according to claim 1, characterized in that: It also includes a disc (19) and a second push cylinder (20), the disc (19) is concentrically mounted on the upper end of the lifting tube (18), the disc (19) is located outside the upper end of the shaft tube (7), the disc (19) is located above the cover plate (2), the fixed end of the second push cylinder (20) is mounted on the mounting plate (4), and the piston rod of the second push cylinder (20) is slidably connected to the disc (19).

3. A negative pressure concentrator for maltose syrup according to claim 1, characterized in that: It also includes a plurality of sliding rods (21), the plurality of sliding rods (21) being vertically mounted on the mounting seat (26), and the lifting seat ring (16) being slidably connected to the plurality of sliding rods (21).

4. A negative pressure concentrator for maltose syrup according to claim 1, characterized in that: It also includes a cooling barrel (22) and a vacuum pump (23), the cooling barrel (22) being located outside the concentration tank (1), a collecting chamber being arranged inside the cooling barrel (22), the output end of the discharge pipe (14) and the output end of the exhaust pipe (3) both extending into the collecting chamber of the cooling barrel (22), the vacuum pump (23) being installed on the cooling barrel (22), and the exhaust pipe of the vacuum pump (23) extending into the upper part of the collecting chamber of the cooling barrel (22).

5. A negative pressure concentrator for maltose syrup according to claim 4, characterized in that: It also includes a collecting bucket (24), which is mounted on the input end of the air extraction pipe (3). The collecting bucket (24) is located on the upper part of the filter basket (8). The air extraction pipe (3) is connected to the mounting plate (4), and the air extraction pipe (3) is slidably connected to the cover plate (2).

6. A negative pressure concentrator for maltose syrup according to claim 4, characterized in that: It also includes a cold zone water jacket (25), which is installed on the cooling barrel (22) and cools the cooling barrel (22).

Images