Enzyme deactivation equipment used before fermentation of primary pulp juice

Abstract

The utility model relates to the technical field of beverage processing and manufacturing, in particular to enzyme deactivation equipment before fermentation of primary pulp juice, which comprises a reaction kettle, the reaction kettle is a closed kettle body with a double-layer space structure at the lower part, a water inlet pipe communicated with a space cavity is communicated with the upper part of the front side of the reaction kettle, and a sealing cover is clamped at the inlet end of the water inlet pipe. A temperature monitor is mounted in the middle of the front side of the reaction kettle, and a temperature measuring rod of the temperature monitor extends into the inner wall of the reaction kettle. The electric heating tube is used for indirectly heating fruit juice to hot water in the hollow cavity, so that the temperature of the fruit juice is kept in a proper range, active enzymes in the fruit juice are inactivated, decomposition or deterioration of nutritional ingredients of the fruit juice caused by enzymatic reaction is avoided, and the flavor and nutritional value of the fruit juice are protected; the motor drives the stirring rod to uniformly stir fruit juice, the backflow pipe and the pump body circulate hot water in the hollow cavity, the water temperature is kept uniform, it is ensured that the fruit juice is uniformly heated, local overheating or insufficient temperature is avoided, and the enzyme deactivation effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to beverage processing and manufacturing technical field especially relates to a kind of original pulp juice enzyme-killing equipment before fermentation. BACKGROUND

[0002] Original pulp juice fermentation is the process that after fresh fruit is made into original pulp juice by crushing, squeezing, filtering and other processes, sugar in fruit juice is converted into alcohol and carbon dioxide by the fermentation of microorganisms (such as yeast). This process is widely used in the production of fermented drinks such as fruit wine and fruit vinegar.

[0003] Original pulp juice is rich in various natural nutrients and active enzymes. However, if these enzymes are not effectively inhibited or inactivated before juice fermentation, enzyme-catalyzed reactions may cause the decomposition and deterioration of nutrients in the juice, affecting the flavor and nutritional value of the juice. Traditional enzyme-killing methods such as high-temperature short-time (HTST) sterilization can effectively kill enzymes, but may cause loss of heat-sensitive nutrients in the juice and high energy consumption.

[0004] Therefore, it is necessary to design an enzyme-killing equipment for original pulp juice before fermentation to solve the above technical problems. SUMMARY

[0005] In order to overcome the shortcomings of the prior art, the utility model provides an enzyme-killing equipment for original pulp juice before fermentation.

[0006] The technical solution of the utility model is: an enzyme-killing equipment for original pulp juice before fermentation, comprising a reaction kettle, the reaction kettle is a closed kettle body with a double-layer hollow structure at the lower part, a water inlet pipe is connected to the hollow cavity and communicates with it at the upper front side of the reaction kettle, a sealing cover is connected to the inlet end of the water inlet pipe, a temperature monitor is installed at the middle of the front side of the reaction kettle, the temperature probe of the temperature monitor extends into the inner wall of the reaction kettle, a plurality of electric heating tubes are installed symmetrically around the hollow cavity of the reaction kettle, a water outlet pipe is connected to the hollow cavity and communicates with it at the lower front side of the reaction kettle, the water inlet pipe and the water outlet pipe inject and discharge water into the hollow cavity, and the water is heated by the electric heating tubes, a motor with a downward output shaft is installed on the upper part of the reaction kettle, the output shaft of the motor extends into the reaction kettle, and a rotating shaft is connected to the output shaft, a connecting rod is arranged at the lower part of the rotating shaft, a stirring rod for stirring the juice is sleeved on the outside of the connecting rod, a feeding pipe is connected to the side of the upper part of the reaction kettle away from the water inlet pipe, a fixing ring is sleeved on the inlet end of the feeding pipe, a sliding cover is slidably connected to the outside of the fixing ring, and a frame is arranged on the outside of the sliding connection between the fixing ring and the sliding cover, a plurality of reflux pipes are connected to the outside of the lower part of the reaction kettle symmetrically around, a pump body is installed in the middle of each reflux pipe, and a plurality of pressure relief components are arranged on the upper part of the hollow cavity of the lower part of the reaction kettle.

[0007] Further description, it also includes a scraper, the lower part of the stirring rod is connected with the scraper in rotating contact with the inner wall of the reaction kettle.

[0008] Further, the first spring is arranged outside the fixed ring and inside the frame of the sliding cover, and the first spring is connected to the upper portion of the sliding cover.

[0009] Further, the first valve and the second valve are arranged outside the water inlet pipe and the water outlet pipe respectively, and the first valve and the second valve are used to control the water flow rate.

[0010] Further, the pressure relief assembly comprises the mounting block, the air outlet pipe, the stop block and the second spring, a plurality of mounting blocks protruding upward are arranged on the upper portion of the hollow cavity of the reaction kettle, the air outlet pipe is arranged in each mounting block and is communicated with the reaction kettle, the stop block is slidably connected to each air outlet pipe, and the second spring is arranged between the stop block and the air outlet pipe.

[0011] Further, the inner cylinder, the filter screen and the pull rod are arranged at the inlet of the feeding pipe, the filter screen is clamped in the inner cylinder, and the pull rod is arranged outside the filter screen.

[0012] Compared with the prior art, the utility model has the following advantages: 1, the utility model discloses an indirect heating of hot water in the hollow cavity by the electric heating pipe, so that the temperature of the fruit juice is kept in the appropriate range, the active enzyme in the fruit juice is inactivated, the decomposition or deterioration of the nutrient components of the fruit juice caused by enzyme reaction is avoided, and the flavor and nutritional value of the fruit juice are protected.

[0013] 2, the utility model discloses that the stirring rod is connected with the scraper, and the scraper is in rotary contact with the inner wall of the reaction kettle, so that the fruit juice is prevented from adhering to the inner wall, the heat transfer efficiency is improved, and local overheating or uneven heating caused by adhesion can be avoided.

[0014] 3, the utility model discloses that the pressure relief assembly (air outlet pipe, stop block and second spring) is used to automatically adjust the pressure in the hollow cavity, release the excess steam pressure, prevent the pressure in the hollow cavity from being too high, ensure the safety of equipment operation, and avoid safety accidents.

[0015] 4, the utility model discloses that the filter screen is arranged at the inlet of the feeding pipe, and the fruit dregs and suspended matters in the fruit juice are filtered, so that the filter screen can be disassembled and cleaned through the pull rod, the purity of the fruit juice is improved, and the fruit dregs are prevented from affecting the enzyme inactivation effect. DRAWINGS

[0016] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0017] Figure 2 It is a three-dimensional structure schematic view of the water inlet pipe, the sealing cover and the temperature monitor and other components of the utility model.

[0018] Figure 3 It is the three-dimensional structure schematic view of fixed ring, sliding cover and first spring of the utility model.

[0019] Figure 4 It is the structure schematic view of reflux pipe, pump body and mounting block and A part of the utility model.

[0020] Figure 5 It is Figure 4 The enlarged view of A in the middle.

[0021] Figure 6 It is the three-dimensional structure schematic view of inner cylinder, filter screen and pull rod of the utility model.

[0022] In the above drawing: 1-reaction kettle, 2-water inlet pipe, 3-sealing cover, 4-temperature monitor, 5-temperature measuring rod, 6-electric heating tube, 7-water outlet pipe, 8-first valve, 9-motor, 10-rotating shaft, 11-connecting rod, 12-stirring rod, 13-scraping plate, 14-second valve, 15-feeding pipe, 16-fixed ring, 17-sliding cover, 18-first spring, 19-reflux pipe, 20-pump body, 21-mounting block, 22-gas outlet pipe, 23-stop block, 24-second spring, 25-inner cylinder, 26-filter screen, 27-pull rod. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model will be further described below in combination with the drawings.

[0024] Embodiment: a kind of original pulp juice enzyme before fermentation equipment, such as Figures 1-6As shown, including the reactor 1, reactor 1 contains juice and provides a heating environment, reactor 1 is the lower part of the double layer empty structure of the closed kettle body, through the double layer empty structure to achieve indirect heating, avoid direct contact with the heat source, reduce the loss of heat sensitive nutrients, reactor 1 front side upper part is communicated with the empty cavity flow of water inlet pipe 2, water inlet pipe 2 import end joint has sealing cover 3, reactor 1 front side intermediate installation has temperature monitor 4, temperature detector temperature measuring rod 5 into the inner wall of reactor 1, in order to real-time monitoring of the temperature of the juice in the reactor 1, reactor 1 empty cavity along the circumferential symmetry installed with multiple electric heating tube 6, electric heating tube 6 for heating the water in the empty cavity, reactor 1 front side lower part is communicated with the empty cavity flow of water outlet pipe 7, water inlet pipe 2 and water outlet pipe 7 will be injected into and discharged from the empty cavity, and heated by electric heating tube 6, reactor 1 upper part is installed with output shaft downward motor 9, motor 9 output shaft into the reactor 1, and its upper connection has the rotating shaft 10, rotating shaft 10 lower part is provided with connecting rod 11, connecting rod 11 outside the sleeve has the stirring rod 12 for stirring the juice, motor 9 provides power, so that the stirring rod 12 for uniform stirring of the juice, avoid local overheating or temperature deficiency of the juice, improve the enzyme inactivation effect, reactor 1 upper part away from the water inlet pipe 2 side is communicated with the feed pipe 15, the inlet end of feed pipe 15 is sleeved with the fixed ring 16, the fixed ring 16 is slidably connected with the sliding cover 17, and the outer cover of the sliding cover 17 is provided with a frame, the reactor 1 lower part outside along the circumferential symmetry is communicated with a plurality of return pipes 19, the pump body 20 is installed in the middle of each return pipe 19, the return pipe 19 and the pump body 20 circulate the hot water in the empty cavity, maintain uniform water temperature, improve the heating efficiency, the upper part of the empty cavity of the reactor 1 lower part is provided with a plurality of pressure relief components, the pressure relief components are used for releasing the excess pressure in the empty cavity, ensuring the safe operation of the equipment, avoiding high pressure.

[0025] As Figure 2 shown, also including the scraper 13, the lower part of the stirring rod 12 is connected with the scraper 13 which rotates with the inner wall of the reactor 1, to prevent the juice from adhering to the inner wall of the reactor 1, improve the heat transfer efficiency, reduce the loss of nutrients.

[0026] As Figure 3 shown, also including the first spring 18, the first spring 18 is arranged in the frame of the fixed ring 16 and the sliding cover 17, the first spring 18 is connected with the upper part of the sliding cover 17, the first spring 18 connects the fixed ring 16 and the sliding cover 17, provides elastic force to make the sliding cover 17 automatically close, so as to ensure that the sliding cover 17 is always in the closed state, avoiding the juice pollution.

[0027] As Figure 1 and Figure 5As shown, the first valve 8 and the second valve 14 are arranged on the inlet pipe 2 and the outlet pipe 7 respectively, and are used to adjust the uniformity and stability of the water temperature in the air separation cavity.

[0028] As shown in Figure 1 , Figure 4 and Figure 5 , the pressure relief assembly comprises a mounting block 21, an air outlet pipe 22, a stop block 23 and a second spring 24. The air separation cavity in the lower part of the reaction kettle 1 is provided with a plurality of mounting blocks 21 protruding upward. The mounting blocks 21 are all provided with the air outlet pipe 22 which is in communication with the reaction kettle 1. The stop block 23 is slidably connected in each air outlet pipe 22. The second spring 24 is arranged between the stop block 23 and the air outlet pipe 22, and is used to release the excess pressure in the air separation cavity, prevent the pressure in the air separation cavity from being too high, and ensure the safe operation of the equipment.

[0029] As shown in Figure 5 and Figure 6 , the inner cylinder 25, the filter screen 26 and the pull rod 27 are further arranged. The inner cylinder 25 is embeddedly arranged at the inlet of the feed pipe 15. The filter screen 26 is clamped in the inner cylinder 25. The filter screen 26 filters the dregs and suspended solids in the fruit juice, and improves the purity of the fruit juice. The pull rod 27 is arranged outside the filter screen 26, and facilitates the disassembly and cleaning of the filter screen 26, and prolongs the service life of the equipment.

[0030] First, open the sealing cover 3 on the water inlet pipe 2, inject the appropriate amount of water into the reaction kettle 1 into the empty cavity, after closing the sealing cover 3, start the heating tube 6 to heat the water in the empty cavity, the temperature monitor 4 real-time monitoring of water temperature, ensure that the water temperature reaches the preset value (usually 60-80℃), through the first valve 8 and the second valve 14 adjust the flow rate of the water inlet pipe 2 and the water outlet pipe 7, ensure that the water temperature in the empty cavity is uniform and stable, the original pulp juice is injected into the reaction kettle 1 through the feed pipe 15, the inner cylinder 25 and the filter screen 26 at the inlet of the feed pipe 15 carry out preliminary filtration on the fruit juice, remove the possible fruit dregs and suspended solids, the filter screen 26 is detachable through the pull rod 27, convenient to clean and replace, the sliding cover 17 slides outside the fixed ring 16, and is automatically closed through the elastic force of the first spring 18, to prevent the fruit juice from overflowing or foreign matter from entering, and then start the motor 9, drive the rotating shaft 10, connecting rod 11 and stirring rod 12 to rotate synchronously, the stirring rod 12 uniformly stirs the fruit juice, ensures that the fruit juice is uniformly heated, avoids local overheating or insufficient temperature, the scraper 13 at the lower part of the stirring rod 12 is in contact with the inner wall of the reaction kettle 1, prevents the fruit juice from adhering to the inner wall during the heating process, ensures the heat transfer efficiency, the hot water in the empty cavity heats the fruit juice in the reaction kettle 1 through heat conduction, inactivates the active enzyme in the fruit juice, the temperature monitor 4 real-time monitoring of fruit juice temperature, ensure that the temperature is controlled within 60-80℃, avoid the loss of heat-sensitive nutrients, in addition, the hot water in the empty cavity circulates through the reflux pipe 19, the pump body 20 ensures that the water flow rate is stable, maintains the uniformity of the water temperature in the empty cavity, during the heating process, the blocking piece 23 in the pressure relief assembly automatically adjusts the opening and closing of the air outlet pipe 22 under the action of the second spring 24, releases the excess pressure, ensures the safety of the equipment operation, after the enzyme inactivation is completed, the heating tube 6 is closed, the hot water in the empty cavity is discharged through the water outlet pipe 7, at the same time, cold water is injected through the water inlet pipe 2, the fruit juice in the reaction kettle 1 is quickly cooled, avoids excessive heating, the cooled fruit juice is discharged through the discharge port at the lower part of the reaction kettle 1, enters the next process.

[0031] The above merely describes the embodiments of the present application and is not intended to limit the present application. Any equivalent replacement made within the principles of the present application shall be included in the protection scope of the present application. The contents not described in detail in the present application belong to the prior art known to the person skilled in the art.

Claims

1. A fruit juice enzyme inactivation apparatus before fermentation, characterized by, The utility model provides a fruit juice production device, including autoclave (1), autoclave (1) is the closed cauldron body of lower half double -deck empty structure, the front side of autoclave (1) is connected with the water inlet pipe (2) of empty cavity flow communication in upper side, and the water inlet pipe (2) import end is clamped with sealing cover (3), and the front side of autoclave (1) is installed with temperature monitor (4) in the middle, and the temperature detection of temperature detector's thermocouple (5) extends into the inner wall of autoclave (1), and a plurality of electric heating pipes (6) are installed in the empty cavity of autoclave (1) along the circumference symmetry, and the front side of autoclave (1) is connected with the water outlet pipe (7) of empty cavity flow communication in lower side, and the water inlet pipe (2) and water outlet pipe (7) inject and discharge the empty cavity in water, and are heated by electric heating pipe (6), and the upper portion of autoclave (1) is installed with the motor (9) of output shaft downward, and the output shaft of motor (9) extends into autoclave (1), and its upper connection has the rotating shaft (10), and the lower portion of rotating shaft (10) is provided with connecting rod (11), and the outside of connecting rod (11) is covered with the stirring rod (12) of stirring fruit juice, and the upper portion of autoclave (1) is connected with the feed pipe (15) on the side away from the water inlet pipe (2), and the inlet of feed pipe (15) is embeddedly provided with inner tube (25), and the inner tube (25) is clamped with filter screen (26) inside, and filter screen (26) is provided with pull rod (27) outside, and the lower portion of autoclave (1) is connected with a plurality of return pipes (19) outside along the circumference symmetry, and the pump body (20) is installed in the middle of each return pipe (19), and the upper portion of the empty cavity of autoclave (1) lower portion is equipped with a plurality of pressure relief components.

2. The apparatus for inactivating enzymes in raw fruit juice before fermentation according to claim 1, wherein Also including the scraper (13), the lower portion of stirring rod (12) is connected with the scraper (13) of rotating contact with the inner wall of autoclave (1).

3. The apparatus for inactivating enzymes in raw fruit juice before fermentation according to claim 2, characterized in that, Also including the first spring (18), the first spring (18) is arranged in the frame of the outer portion of fixed ring (16) and sliding cover (17), and the upper portion of first spring (18) is connected with sliding cover (17).

4. The apparatus for inactivating enzymes in raw fruit juice before fermentation according to claim 3, wherein Also including the first valve (8) and second valve (14), the outer portion of water inlet pipe (2) and water outlet pipe (7) is installed with the first valve (8) and second valve (14) of controlling water flow rate respectively.

5. The apparatus for inactivating enzymes in raw fruit juice before fermentation according to claim 4, wherein The pressure relief component includes mounting block (21), air outlet pipe (22), stop block (23) and second spring (24), the upper portion of the empty cavity of autoclave (1) lower portion is opened with a plurality of mounting blocks (21) protruding upwards, and the mounting block (21) is provided with the air outlet pipe (22) communicated with autoclave (1) inside, and the stop block (23) is slidably connected in each air outlet pipe (22), and the second spring (24) is arranged between stop block (23) and air outlet pipe (22).

6. The apparatus for inactivating enzymes in raw fruit juice before fermentation according to claim 5, wherein Also including the inner tube (25), filter screen (26) and pull rod (27), the inlet of feed pipe (15) is embeddedly provided with inner tube (25), and the inner tube (25) is clamped with filter screen (26) inside, and filter screen (26) is provided with pull rod (27) outside.

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