Negative pressure thickener for fruit juice production

Abstract

The utility model relates to the technical field of fruit juice concentration, in particular to a negative pressure thickener for fruit juice production, which is characterized in that when the negative pressure thickener is used, fruit juice to be concentrated is injected into a tank body, negative pressure pumping operation is performed on the interior of the tank body through a vacuum pump, and then a heating plate is started to concentrate the fruit juice in the tank body. Evaporated water vapor enters the condensation assembly to be condensed, meanwhile, the stirring assembly is started, the stirring assembly enables a heating plate to heat fruit juice in the tank body, and the concentration efficiency is improved; comprising a bottom plate, a tank body, a vacuum pump and a pressure gauge, the tank body is arranged at the top end of the bottom plate, the vacuum pump and the pressure gauge are arranged at the top end of the tank body, the condensation assembly is arranged on the side wall of the tank body, the stirring assembly is arranged on the tank body, and a heating plate is arranged in the tank body.

Description

Technical Field

[0001] The utility model relates to the technical field of fruit juice concentration, in particular to a negative pressure concentrator for fruit juice production. Background Art

[0002] Fruit juice is a juice product obtained from fruits through physical methods such as pressing, centrifuging, extraction, etc. In the process of fruit juice processing and production, evaporation and concentration are important links in the production of concentrated fruit juice.

[0003] In the prior art, a patent document with the publication number CN219396149U discloses a fruit juice production concentration device, including a tank body for fruit juice concentration. Heating plates for heating the fruit juice are symmetrically connected to the inner tank wall of the tank body. The fruit juice is heated by the heating plates. A drive cover is hermetically connected to the top of the tank body. An impeller is rotatably arranged in the drive cover. A stirrer is connected to the lower end of the impeller. The stirrer is rotatably connected to the center of the top of the tank body through a sealed bearing, and the lower end of the stirrer is arranged in the fruit juice in the tank body.

[0004] During use, it is found that the above device drives the impeller to rotate through steam. The flow rate of the steam changes greatly. When the steam flow rate is low, the stirring effect of the stirring plate is low, further affecting the fruit juice concentration efficiency. Summary of the Utility Model

[0005] To solve the above technical problems, the utility model provides a negative pressure concentrator for fruit juice production with improved concentration efficiency.

[0006] A negative pressure concentrator for fruit juice production of the utility model includes a bottom plate, a tank body, a vacuum pump and a pressure gauge. The tank body is arranged at the top end of the bottom plate. The vacuum pump and the pressure gauge are respectively arranged at the top end of the tank body. It further includes a condensation component and a stirring component. The condensation component is arranged on the side wall of the tank body. The stirring component is arranged on the tank body. Heating plates are arranged inside the tank body. During use, the fruit juice to be concentrated is injected into the inside of the tank body. The inside of the tank body is subjected to a negative pressure pumping operation through the vacuum pump. Then the heating plates are started to concentrate the fruit juice inside the tank body. The evaporated water vapor enters the condensation component for condensation. At the same time, the stirring component is started. The stirring component enables the heating plates to heat the fruit juice inside the tank body, improving the concentration efficiency.

[0007] Preferably, the condensation assembly includes an exhaust pipe, a condenser, a drain pipe, a water collection tank, a water outlet pipe, a water outlet valve, an intake pipe, and an intake valve. The top end of the bottom plate is communicated with the input end of the exhaust pipe, the output end of the exhaust pipe is communicated with the input end of the tube side of the condenser, the output end of the tube side of the condenser is communicated with the input end of the drain pipe, the water collection tank is installed on the top end of the bottom plate, the output end of the drain pipe is communicated with the top end of the water collection tank, a group of water outlet pipes and intake pipes are respectively arranged at the left end of the water collection tank, a water outlet valve is installed on the water outlet pipe, and an intake valve is installed on the intake pipe; The water vapor inside the tank body enters the condenser through the exhaust pipe, the cooling water cools the water vapor in the tube side of the condenser, the condensed water enters the water collection tank through the drain pipe for collection, after concentration is completed, the intake valve is opened to make the inside of the water collection tank, the condenser and the tank body return to normal pressure, and then the water outlet valve is opened to discharge the condensed water inside the water collection tank through the water outlet pipe.

[0008] Preferably, the stirring assembly includes a delivery pump, a liquid delivery pipe, a tee pipe, a return pipe, a return valve, a water power turbine, a rotating shaft, stirring blades, and a liquid discharge assembly. The delivery pump is arranged on the top end of the bottom plate, the input end of the delivery pump is provided with the liquid delivery pipe, the input end of the liquid delivery pipe is communicated with the output end of the tank body, the output end of the delivery pump is provided with the tee pipe, one group of output ends of the tee pipe is communicated with the input end of the return pipe, the output end of the return pipe communicates with the inside of the tank body, a water power turbine is arranged on the return pipe, the water power turbine is installed on the top end of the tank body, the output end of the water power turbine is provided with the rotating shaft, the rotating shaft extends into the tank body, and multiple groups of stirring blades are installed on the rotating shaft inside the tank body; The other group of output ends of the tee pipe is provided with a liquid discharge assembly; When in use, the return valve is opened and the liquid discharge assembly is closed, and the delivery pump is started, so that the juice inside the tank body returns to the inside of the tank body through the liquid delivery pipe, the tee pipe and the return pipe. At the same time, when the juice passes through the water power turbine, the rotating shaft drives multiple groups of stirring blades to rotate inside the tank body, so as to realize the stirring effect on the juice inside the tank body.

[0009] Preferably, the liquid discharge assembly includes an external discharge pipe and an external discharge valve. The input end of the external discharge pipe is communicated with the other group of output ends of the tee pipe, and an external discharge valve is installed on the external discharge pipe; After the juice is concentrated, the inside of the tank body returns to normal pressure, the return valve is closed and the external discharge valve is opened, so that the juice inside the tank body is discharged externally.

[0010] Preferably, it further includes a liquid level gauge, and the liquid level gauge is installed on the tank body; The staff can understand the juice liquid level inside the tank body through the liquid level gauge, improving convenience.

[0011] Preferably, the bottom plate and the tank body are connected by welding; Welding between the bottom plate and the tank body improves the connection firmness.

[0012] Preferably, a fixing frame is arranged on the return pipe, and the fixing frame is installed on the tank body; The fixing frame strengthens the return pipe, improving the installation firmness.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: When in use, the fruit juice to be concentrated is injected into the interior of the tank body. The interior of the tank body is subjected to a negative pressure pumping operation through a vacuum pump. Then, the heating plate is started to concentrate the fruit juice inside the tank body. The evaporated water vapor enters the condensation assembly for condensation. At the same time, the stirring assembly is started, and the stirring assembly enables the heating plate to heat the fruit juice inside the tank body, improving the concentration efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the first axonometric structural schematic diagram of the present utility model;

[0015] Figure 2 is the second axonometric structural schematic diagram of the present utility model;

[0016] Figure 3 is the cross-sectional schematic diagram of the present utility model;

[0017] Figure 4 is the enlarged structural schematic diagram of structures such as the delivery pump and the water power turbine;

[0018] Figure 5 is the enlarged structural schematic diagram of structures such as the condenser and the water collecting tank.

[0019] Reference numerals in the drawings: 1, bottom plate; 2, tank body; 3, vacuum pump; 4, pressure gauge; 5, exhaust pipe; 7, condenser; 8, drain pipe; 9, water collecting tank; 10, water outlet pipe; 11, water outlet valve; 12, intake pipe; 13, intake valve; 14, delivery pump; 15, infusion pipe; 16, three-way pipe; 17, return pipe; 18, return valve; 19, water power turbine; 20, rotating shaft; 21, stirring blade; 22, outer discharge pipe; 23, outer discharge valve; 24, liquid level gauge. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In order to facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of the present utility model more thorough and comprehensive.

[0021] Embodiment 1

[0022] As Figures 1 to 3 shown, a negative pressure concentrator for fruit juice production of the present utility model includes a bottom plate 1, a tank body 2, a vacuum pump 3 and a pressure gauge 4. The tank body 2 is arranged at the top end of the bottom plate 1. The vacuum pump 3 and the pressure gauge 4 are respectively arranged at the top end of the tank body 2. It further includes a condensation assembly and a stirring assembly. The condensation assembly is arranged on the side wall of the tank body 2, the stirring assembly is arranged on the tank body 2, and a heating plate is arranged inside the tank body 2;

[0023] As Figure 1 andFigure 5 As shown in the figure, the condensation assembly includes an exhaust pipe 5, a condenser 7, a drain pipe 8, a water collection tank 9, a water outlet pipe 10, a water outlet valve 11, an air inlet pipe 12, and an air inlet valve 13. The top end of the bottom plate 1 is communicated with the input end of the exhaust pipe 5, the output end of the exhaust pipe 5 is communicated with the input end of the tube side of the condenser 7, the output end of the tube side of the condenser 7 is communicated with the input end of the drain pipe 8, the water collection tank 9 is installed at the top end of the bottom plate 1, the output end of the drain pipe 8 is communicated with the top end of the water collection tank 9, a group of water outlet pipes 10 and air inlet pipes 12 are respectively arranged at the left end of the water collection tank 9, a water outlet valve 11 is installed on the water outlet pipe 10, and an air inlet valve 13 is installed on the air inlet pipe 12.

[0024] In this embodiment, during use, the juice to be concentrated is injected into the interior of the tank body 2, the interior of the tank body 2 is subjected to a negative pressure pumping operation by the vacuum pump 3, and then the heating plate is started to concentrate the juice inside the tank body 2. The water vapor inside the tank body 2 enters the condenser 7 through the exhaust pipe 5, the cooling water cools the water vapor in the tube side of the condenser 7, the condensed water enters the water collection tank 9 through the drain pipe 8 for collection, and at the same time, the stirring assembly is started. The stirring assembly enables the heating plate to heat the juice inside the tank body 2. After concentration is completed, the air inlet valve 13 is opened to make the interior of the water collection tank 9, the condenser 7, and the tank body 2 return to normal pressure, and then the water outlet valve 11 is opened to discharge the condensed water inside the water collection tank 9 through the water outlet pipe 10.

[0025] Embodiment 2

[0026] As Figures 1 to 3 shown, a negative pressure concentrator for juice production of the present utility model includes a bottom plate 1, a tank body 2, a vacuum pump 3, and a pressure gauge 4. The tank body 2 is arranged at the top end of the bottom plate 1, the vacuum pump 3 and the pressure gauge 4 are respectively arranged at the top end of the tank body 2, and further includes a condensation assembly and a stirring assembly. The condensation assembly is arranged on the side wall of the tank body 2, the stirring assembly is arranged on the tank body 2, and a heating plate is arranged inside the tank body 2;

[0027] As Figure 1 and Figure 5 shown, the condensation assembly includes an exhaust pipe 5, a condenser 7, a drain pipe 8, a water collection tank 9, a water outlet pipe 10, a water outlet valve 11, an air inlet pipe 12, and an air inlet valve 13. The top end of the bottom plate 1 is communicated with the input end of the exhaust pipe 5, the output end of the exhaust pipe 5 is communicated with the input end of the tube side of the condenser 7, the output end of the tube side of the condenser 7 is communicated with the input end of the drain pipe 8, the water collection tank 9 is installed at the top end of the bottom plate 1, the output end of the drain pipe 8 is communicated with the top end of the water collection tank 9, a group of water outlet pipes 10 and air inlet pipes 12 are respectively arranged at the left end of the water collection tank 9, a water outlet valve 11 is installed on the water outlet pipe 10, and an air inlet valve 13 is installed on the air inlet pipe 12;

[0028] As Figure 3 and Figure 4As shown in the figure, the stirring assembly includes a transfer pump 14, an infusion tube 15, a three-way pipe 16, a return pipe 17, a return valve 18, a hydraulic turbine 19, a rotating shaft 20, stirring blades 21 and a liquid discharge assembly. A transfer pump 14 is provided at the top end of the bottom plate 1. An infusion tube 15 is provided at the input end of the transfer pump 14. The input end of the infusion tube 15 communicates with the output end of the tank body 2. A three-way pipe 16 is provided at the output end of the transfer pump 14. One set of output ends of the three-way pipe 16 communicates with the input end of the return pipe 17. The output end of the return pipe 17 communicates with the inside of the tank body 2. A hydraulic turbine 19 is provided on the return pipe 17. The hydraulic turbine 19 is installed at the top end of the tank body 2. The output end of the hydraulic turbine 19 is provided with a rotating shaft 20. The rotating shaft 20 extends into the tank body 2. Multiple groups of stirring blades 21 are installed on the rotating shaft 20 inside the tank body 2. The other set of output ends of the three-way pipe 16 is provided with a liquid discharge assembly;

[0029] As Figure 3 and Figure 4 shown in the figure, the liquid discharge assembly includes an external discharge pipe 22 and an external discharge valve 23. The input end of the external discharge pipe 22 communicates with the other set of output ends of the three-way pipe 16. An external discharge valve 23 is installed on the external discharge pipe 22;

[0030] It further includes a liquid level gauge 24. The liquid level gauge 24 is installed on the tank body 2.

[0031] In this embodiment, during use, the juice to be concentrated is injected into the tank body 2. The inside of the tank body 2 is subjected to a negative pressure pumping operation through the vacuum pump 3. Then, the heating plate is started to concentrate the juice inside the tank body 2. The water vapor inside the tank body 2 enters the condenser 7 through the exhaust pipe 5. The cooling water cools the water vapor in the tube side of the condenser 7. The condensed water enters the water collection tank 9 through the drain pipe 8 for collection. At the same time, the stirring assembly is started. The stirring assembly enables the heating plate to heat the juice inside the tank body 2. After concentration is completed, the intake valve 13 is opened to make the inside of the water collection tank 9, the condenser 7 and the tank body 2 return to normal pressure. Then, the water outlet valve 11 is opened to discharge the condensed water inside the water collection tank 9 through the water outlet pipe 10. During use, the return valve 18 is opened and the liquid discharge assembly is closed. The transfer pump 14 is started, so that the juice inside the tank body 2 returns to the tank body 2 again through the infusion tube 15, the three-way pipe 16 and the return pipe 17. At the same time, when the juice passes through the hydraulic turbine 19, the rotating shaft 20 drives multiple groups of stirring blades 21 to rotate inside the tank body 2, so as to realize the stirring effect on the juice inside the tank body 2. After the juice is concentrated, the inside of the tank body 2 returns to normal pressure. The return valve 18 is closed and the external discharge valve 23 is opened, so that the juice inside the tank body 2 is discharged externally.

[0032] The vacuum pump 3, pressure gauge 4, delivery pump 14 and water turbine 19 of a juice production negative pressure concentrator of the present utility model are purchased on the market. Technicians in this industry only need to install and operate them according to the attached operation manuals, without creative work from technicians in this field.

[0033] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present utility model, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A negative pressure concentrator for fruit juice production, comprising a bottom plate (1), a tank body (2), a vacuum pump (3) and a pressure gauge (4). The tank body (2) is arranged at the top end of the bottom plate (1), and the vacuum pump (3) and the pressure gauge (4) are respectively arranged at the top end of the tank body (2), and it is characterized in that, It also includes a condensation component and a stirring component. A condensation component is provided on the side wall of the tank body (2), a stirring component is provided on the tank body (2), and a heating plate is provided inside the tank body (2).

2. The vacuum concentrator for juice production according to claim 1, characterized in that, The condensation component includes an exhaust pipe (5), a condenser (7), a drain pipe (8), a water collection tank (9), a water outlet pipe (10), a water outlet valve (11), an intake pipe (12), and an intake valve (13). The top end of the bottom plate (1) is communicated with the input end of the exhaust pipe (5), the output end of the exhaust pipe (5) is communicated with the input end of the tube side of the condenser (7), the output end of the tube side of the condenser (7) is communicated with the input end of the drain pipe (8), the water collection tank (9) is installed at the top end of the bottom plate (1), the output end of the drain pipe (8) is communicated with the top end of the water collection tank (9), a group of water outlet pipes (10) and intake pipes (12) are respectively arranged at the left end of the water collection tank (9), a water outlet valve (11) is installed on the water outlet pipe (10), and an intake valve (13) is installed on the intake pipe (12).

3. A negative pressure concentrator for fruit juice production according to claim 1, characterized in that, The stirring component includes a delivery pump (14), a liquid delivery pipe (15), a three-way pipe (16), a liquid return pipe (17), a liquid return valve (18), a water power turbine (19), a rotating shaft (20), stirring blades (21), and a liquid discharge component. The delivery pump (14) is arranged at the top end of the bottom plate (1), the input end of the delivery pump (14) is provided with the liquid delivery pipe (15), the input end of the liquid delivery pipe (15) is communicated with the output end of the tank body (2), the output end of the delivery pump (14) is provided with the three-way pipe (16), one group of output ends of the three-way pipe (16) is communicated with the input end of the liquid return pipe (17), the output end of the liquid return pipe (17) communicates with the inside of the tank body (2), a water power turbine (19) is arranged on the liquid return pipe (17), the water power turbine (19) is installed at the top end of the tank body (2), the output end of the water power turbine (19) is provided with the rotating shaft (20), the rotating shaft (20) extends into the tank body (2), and multiple groups of stirring blades (21) are installed on the rotating shaft (20) inside the tank body (2), and the other group of output ends of the three-way pipe (16) is provided with the liquid discharge component.

4. The vacuum concentrator for fruit juice production according to claim 3, wherein The liquid discharge component includes an external discharge pipe (22) and an external discharge valve (23). The input end of the external discharge pipe (22) is communicated with the other group of output ends of the three-way pipe (16), and an external discharge valve (23) is installed on the external discharge pipe (22).

5. The negative pressure concentrator for fruit juice production according to claim 1, characterized in that, It also includes a liquid level gauge (24), and the liquid level gauge (24) is installed on the tank body (2).

6. The negative pressure concentrator for fruit juice production according to claim 1, characterized in that, The bottom plate (1) and the tank body (2) are connected by welding.

7. The negative pressure concentrator for fruit juice production according to claim 3, characterized in that, A fixing bracket is arranged on the liquid return pipe (17), and the fixing bracket is installed on the tank body (2).

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