Vacuum freeze-drying equipment for fruit yoghourt blocks

By designing preheating and sweeping components, the problems of insufficient energy utilization and poor material discharge in the vacuum freeze-drying equipment for fruit yogurt blocks are solved, achieving efficient heating and anti-sticking discharge effects.

CN223844861UActive Publication Date: 2026-01-30FUJIAN ZHENGUI FOOD TECH CO LTD
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Patent Information

Application Number
CN202520261515.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2026-01-30
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

Existing vacuum freeze-drying equipment for fruit yogurt blocks is not good at energy utilization, resulting in limited heating efficiency, and the material is prone to sticking during the discharge process, which affects production efficiency.

Method used

It employs a preheating component and a sweeping component to preheat fruit yogurt blocks through convection heating medium. Combined with a threaded rod and scraper structure, it prevents sticking and improves discharge efficiency.

Benefits of technology

It improves heating efficiency, reduces the heating time of fruit yogurt blocks, prevents sticking, and increases output efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223844861U_ABST
Patent Text Reader

Abstract

The utility model relates to the field of fruit yoghurt block processing, and discloses a fruit yoghurt block vacuum freeze drying device which comprises a storage tank, a drying box and a heating tank, a material pump is installed on the bottom side of the storage tank, the output end of the material pump is fixedly connected with a first pipeline, and the end of the first pipeline is fixedly connected to the top side of the drying box. A preheating assembly is arranged on the rear side of the drying box, a conveying pump is installed on the bottom side of the heating tank, the output end of the conveying pump is fixedly connected with a liquid conveying pipe, a rotating rod is rotationally connected into the drying box, a shelf is fixedly connected to the outer wall of the rotating rod, and a sweeping assembly is arranged in the drying box. According to the utility model, the heating medium is used for preheating the fruit yoghurt blocks, so that the subsequent heating time of the fruit yoghurt blocks is shortened, the subsequent heating efficiency is improved, the fruit yoghurt blocks are prevented from being adhered to the shelf to influence discharging, and the discharging efficiency is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to fruit yoghourt block processing field especially, relates to a fruit yoghourt block vacuum freeze drying equipment. BACKGROUND

[0002] Fruit yoghourt block processing is the food processing process that the fresh fruit is mixed with yoghourt, and the block is made and is dried, first, the fruit is cut and mixes into yoghourt, and the block of specific shape is made. Then utilize vacuum freeze drying equipment, under low temperature, vacuum environment, through heating, refrigeration system cooperation operation, accurate control temperature and vacuum degree, removes material moisture in stages, and finally obtains the fruit yoghourt block finished product of excellent quality, unique taste.

[0003] Fruit yoghourt block vacuum freeze drying equipment works, first utilizes refrigeration system and makes material prefreezing, and water forms ice crystal. Then vacuum pump exhausts and forms vacuum environment, and heating system provides heat and makes ice crystal sublimate, and water vapor is captured by cooling exhaust pipe, and finally material is dried into block. Equipment realizes the vacuum freeze drying of fruit yoghourt block through the cooperation of each system, but the fruit yoghourt block vacuum freeze drying equipment of the present has following some defects: energy utilization is not good: most equipment does not fully exploit the waste heat generated by heating system for preheating, simply relies on external energy, causes energy waste, not only increases cost, but also makes preheating effect limited, cannot maximize the follow-up heating efficiency. Discharge auxiliary single: only rely on preheating anti-sticking to guarantee discharge, ignore such as optimization shelf structure, increase auxiliary discharge device, etc., once preheating is not in place, material adhesion, discharge is blocked, and production process is delayed;

[0004] To this end, in view of the technical problem, the present application provides a fruit yoghourt block vacuum freeze drying equipment. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a fruit yoghourt block vacuum freeze drying equipment, which preheats the fruit yoghourt block with a heating medium, reduces the heating time of the fruit yoghourt block, improves the heating efficiency, prevents the fruit yoghourt block from sticking to the shelf and affecting the discharge, and improves the discharge efficiency.

[0006] To achieve the above object, the utility model provides the following technical scheme.

[0007] The utility model relates to a kind of fruit yoghourt block vacuum freeze-drying equipment, including storage tank, drying box and heating tank, the bottom side of the storage tank is installed with material pump, the output end of the material pump is fixedly connected with first pipeline, the end of the first pipeline is fixedly connected in the top side of drying box, the rear side of the drying box is provided with preheating component, fruit yoghourt block is preheated by preheating component, the bottom side of the heating tank is installed with conveying pump, the output end of the conveying pump is fixedly connected with infusion tube, the inside of the drying box is rotatably connected with rotary rod, the outer wall of the rotary rod is fixedly connected with shelf, the left and right sides of the drying box are fixedly connected with multiple shunt pipes, the end of multiple shunt pipes is fixedly connected with branch pipe, shunt pipe and shelf are connected by hose, the end of right branch pipe is fixedly connected in infusion tube, the inside of the drying box is provided with sweep component, and fruit yoghourt block is swept by sweep component.

[0008] Further, the preheating component includes a heat preservation box arranged at the rear side of the drying box, the outer wall of the left branch pipe is fixedly connected with a second pipeline, the end of the second pipeline is fixedly connected to the top side of the heating tank, the middle end of the first pipeline is arranged in the inside of the heat preservation box, and the middle end of the second pipeline is arranged in the inside of the heat preservation box.

[0009] Further, the sweep component includes a threaded rod and a limiting rod arranged in the inside of the drying box, the threaded rod is rotatably connected in the inside of the drying box, and the limiting rod is fixedly connected in the inside of the drying box.

[0010] Further, the threaded rod and the limiting rod are connected by a sliding plate, one end of the sliding plate is threadedly connected to the outer wall of the threaded rod, and the other end of the sliding plate is slidably connected to the outer wall of the limiting rod.

[0011] Further, the bottom side of the sliding plate is fixedly connected with multiple telescopic rods, the bottom end of the telescopic rod is fixedly connected with a scraper, the front side of the drying box is mounted with a motor, and the driving end of the motor is fixedly connected to the front end of the rotary rod.

[0012] Further, the rear end of the rotary rod and the threaded rod is fixedly connected with a belt pulley, and the two belt pulleys are connected by the inner side of the belt.

[0013] Further, the top side of the drying box is fixedly connected with an air inlet pipe, the air inlet pipe is circumscribed with a refrigeration system, the bottom side of the drying box is fixedly connected with a discharge chute, the outer wall of the discharge chute is mounted with a control valve, and the bottom side of the discharge chute is provided with a collection box.

[0014] Further, the rear side of the drying box is provided with a vacuum pump, and the vacuum pump and the drying box are connected by an air extraction pipe.

[0015] The utility model has the following beneficial effects:

[0016] 1. The utility model discloses a first pipeline and second pipeline are arranged in the heat preservation box to make the fruit yoghourt block and heating medium can flow into the heat preservation box, and then make the fruit yoghourt block and heating medium form the convection, so that the heating medium carries out the preheating treatment to the fruit yoghourt block, reduces the time of subsequent heating to the fruit yoghourt block, improves the efficiency of subsequent heating.

[0017] 2. The utility model discloses a threaded rod to drive the sliding plate to slide to drive telescopic link and the scraper to move to make the scraper can freely telescopic to offset the influence when the shelf rotates to make the fruit yoghourt block on the shelf through the shelf inclination and the scraping of the scraper to prevent the fruit yoghourt block from sticking on the shelf and affecting the discharge. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A kind of fruit yoghourt block vacuum freeze drying equipment's perspective view is proposed for the utility model;

[0019] Figure 2 A kind of fruit yoghourt block vacuum freeze drying equipment's side view is proposed for the utility model;

[0020] Figure 3 A kind of fruit yoghourt block vacuum freeze drying equipment's rear view is proposed for the utility model;

[0021] Figure 4 The heat preservation box internal structure schematic view of a kind of fruit yoghourt block vacuum freeze drying equipment is proposed for the utility model;

[0022] Figure 5 The drying box internal structure schematic view of a kind of fruit yoghourt block vacuum freeze drying equipment is proposed for the utility model;

[0023] Figure 6 The shelf structure schematic view of a kind of fruit yoghourt block vacuum freeze drying equipment is proposed for the utility model.

[0024] LEGEND:

[0025] 1, storage tank;2, material pump;3, branch pipe;4, shunt;5, drying box;6, collection box;7, motor;8, heating tank;9, second pipeline;10, air inlet pipe;11, heat preservation box;12, first pipeline;13, discharge chute;14, control valve;15, delivery pump;16, infusion tube;17, vacuum pump;18, air extraction pipe;19, belt pulley;20, limit rod;21, threaded rod;22, shelf;23, hose;24, rotating rod;25, sliding plate;26, telescopic link;27, scraper. DETAILED DESCRIPTION

[0026] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0027] With reference to Figure 1 、 Figure 4 and Figure 6 , the present application provides an embodiment: a fruit yogurt block vacuum freeze-drying equipment, comprising a storage tank 1, a drying box 5 and a heating tank 8, the bottom side of the storage tank 1 is provided with a material pump 2, the fruit yogurt block to be freeze-dried is stored through the storage tank 1, and the material pump 2 is used to transport the fruit yogurt block, the output end of the material pump 2 is fixedly connected with a first pipeline 12, the end of the first pipeline 12 is fixedly connected to the top side of the drying box 5, the fruit yogurt block is transported into the drying box 5 through the first pipeline 12, the bottom side of the heating tank 8 is provided with a delivery pump 15, the output end of the delivery pump 15 is fixedly connected with a delivery tube 16, the heat-conducting medium is heated through the heating tank 8 and is delivered into the delivery tube 16 through the delivery pump 15, the heat-conducting medium can be heat-conducting oil, saturated water, secondary steam, organic solvents such as propylene glycol, glycerol and the like, the inside of the drying box 5 is rotatably connected with a rotating rod 24, the outer wall of the rotating rod 24 is fixedly connected with a shelf 22, the fruit yogurt block can be placed in the drying box 5 for freeze-drying treatment through the shelf 22, a plurality of shunt pipes 4 are fixedly connected to the left and right sides of the drying box 5, the end of the plurality of shunt pipes 4 is fixedly connected with a branch pipe 3, the shunt pipe 4 and the shelf 22 are connected through a hose 23, the right branch pipe 3 is fixedly connected to the end of the delivery tube 16, the heat-conducting medium is delivered into the branch pipe 3 through the delivery tube 16, and the heat-conducting medium is delivered into the hose 23 through the shunt pipe 4, finally the heat-conducting medium flows onto the shelf 22, so that the shelf 22 is heated, and then the fruit yogurt block is heated, with reference to Figure 2 、 Figure 3 and Figure 5The rear side of the drying box 5 is provided with a heat preservation box 11, the outer wall of the left side branch pipe 3 is fixedly connected with a second pipeline 9, the end of the second pipeline 9 is fixedly connected to the top side of the heating tank 8, the middle end of the first pipeline 12 is arranged in the interior of the heat preservation box 11, and the middle end of the second pipeline 9 is arranged in the interior of the heat preservation box 11. The first pipeline 12 and the second pipeline 9 are arranged in the heat preservation box 11, so that the fruit yogurt blocks and the heating medium can flow into the heat preservation box 11, and then the convection is formed between the fruit yogurt blocks and the heating medium, so that the heating medium preheats the fruit yogurt blocks. The top side of the drying box 5 is fixedly connected with an air inlet pipe 10, and the air inlet pipe 10 is connected with a refrigeration system. The air inlet pipe 10 connected with the refrigeration system provides stable low temperature guarantee for the fruit yogurt blocks in the drying box 5. The refrigeration system is composed of a compressor, a condenser, an expansion valve, an evaporator, a cooling pipe, a refrigerant circulation pipeline and a control system. The bottom side of the drying box 5 is fixedly connected with a discharge chute 13, the outer wall of the discharge chute 13 is provided with a control valve 14, and the bottom side of the discharge chute 13 is provided with a collection box 6. The fruit yogurt blocks are discharged into the collection box 6 through the discharge chute 13 for collection, and the opening and closing of the discharge chute 13 is controlled through the control valve 14. The rear side of the drying box 5 is provided with a vacuum pump 17, and the vacuum pump 17 and the drying box 5 are connected through an air suction pipe 18. The vacuum pump 17 can suck out the air in the drying box 5 through the air suction pipe 18, so that the drying box 5 maintains a vacuum state.

[0028] Referring to Figures 4-6 The interior of the drying box 5 is provided with a threaded rod 21 and a limiting rod 20. The threaded rod 21 is rotatably connected in the interior of the drying box 5, and the limiting rod 20 is fixedly connected in the interior of the drying box 5. The threaded rod 21 and the limiting rod 20 are connected through a sliding plate 25. One end of the sliding plate 25 is threadedly connected to the outer wall of the threaded rod 21, and the other end of the sliding plate 25 is slidably connected to the outer wall of the limiting rod 20. The bottom side of the sliding plate 25 is fixedly connected with a plurality of telescopic rods 26. The bottom end of the telescopic rod 26 is fixedly connected with a scraper 27. The threaded rod 21 drives the sliding plate 25 to slide, so as to drive the telescopic rod 26 and the scraper 27 to move. The telescopic rod 26 allows the scraper 27 to freely extend and retract, so as to offset the influence generated when the shelf 22 rotates. The front side of the drying box 5 is provided with a motor 7. The driving end of the motor 7 is fixedly connected to the front end of a rotating rod 24. The rear end of the rotating rod 24 and the threaded rod 21 are both fixedly connected with a belt pulley 19. The two belt pulleys 19 are connected through the inner side of a belt. The motor 7 drives the rotating rod 24 to rotate, so that the rotating rod 24 drives the shelf 22 to rotate. The fruit yogurt blocks on the shelf 22 can roll to the bottom of the drying box 5, so as to be conveniently discharged. The two belt pulleys 19 connected by the belt drive the threaded rod 21 to rotate when the rotating rod 24 rotates.

[0029] Working principle: first, through the material pump 2 to the fruit yogurt block is transported to the first pipeline 12, and then through the first pipeline 12 to dry box 5, and drop to the shelf 22, then start the vacuum pump 17 to dry box 5 in the air is extracted, after the intake pipe 10 of external refrigeration system to dry box 5 inside cooling treatment, so that the fruit yogurt block freeze quickly, so that the water in the ice crystal, for the subsequent sublimation drying preparation, at the same time start heating tank 8 to heat the heat transfer medium, after heating and fruit yogurt block cooling freeze through the delivery pump 15 to heat the heat transfer medium in the tank 8 is transported to the infusion tube 16, after these heat transfer medium will flow to the right branch pipe 3, and through the shunt pipe 4 to heat the heat transfer medium is transported to the hose 23, finally make the heat transfer medium flow to the shelf 22, so as to heat the shelf 22, and then flow to the left branch pipe 3, and through the second pipeline 9 back flow to the heating tank 8, in the process of fruit yogurt block through the first pipeline 12 to dry box 5 and heat transfer medium through the second pipeline 9 back flow to the heating tank 8, fruit yogurt block and heat transfer medium will flow to the heat preservation box 11, thus forming two convection, so that the heat transfer medium preheating treatment of fruit yogurt block, so as to reduce the subsequent heating time of fruit yogurt block, improve the efficiency of subsequent heating, in the process of heating the fruit yogurt block, so that the fruit yogurt block in the vacuum environment, the pressure is lower than the water triple point pressure, ice crystal directly from the solid sublimation of gaseous water vapor, at this time the vacuum pump 17 continues to exhaust, maintain the low pressure environment in dry box 5, accelerate the sublimation process of ice crystal, so that most of the water in the fruit yogurt block is removed, after drying is completed, start the motor 7 to drive the rotating rod 24 rotation, and then make the rotating rod 24 with the shelf 22 rotation, and through the two by the belt connected belt pulley 19 to make the rotating rod 24 rotation when driving screw rod 21 rotation, thus through the screw rod 21 to drive the sliding plate 25 sliding, thus driving the telescopic rod 26 and scraper 27 to move, and through the telescopic rod 26 to make the scraper 27 can freely extend and retract, so as to offset the influence of the shelf 22 rotation, and then through the shelf 22 tilt and scraping plate 27 to make the fruit yogurt block on the shelf 22 can roll to the bottom of dry box 5 to facilitate the discharge, after the control valve 14 to open the discharge chute 13 so that the fruit yogurt block is discharged to the collection box 6 for collection.

[0030] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application has been described in detail, for the skilled in the art, it still can be modified, or for part of the technical features of the equivalent replacement, the spirit and principles of the present application, made any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.

Claims

1. A fruit yoghurt piece vacuum freeze-drying apparatus, characterized by: Including storage tank (1), drying box (5) and heating tank (8), the bottom side of the storage tank (1) is provided with material pump (2), the output end of the material pump (2) is fixedly connected with first pipeline (12), the end of the first pipeline (12) is fixedly connected on the top side of drying box (5), the rear side of drying box (5) is provided with preheating assembly, the fruit yogurt block is preheated by preheating assembly, the bottom side of the heating tank (8) is provided with conveying pump (15), the output end of the conveying pump (15) is fixedly connected with infusion tube (16), the inside of drying box (5) is rotatably connected with rotating rod (24), the outer wall of rotating rod (24) is fixedly connected with shelf (22), the left and right sides of drying box (5) are fixedly connected with a plurality of shunt pipes (4), the end of a plurality of shunt pipes (4) is fixedly connected with branch pipe (3), shunt pipe (4) and shelf (22) are connected by hose (23), the end of right branch pipe (3) is fixedly connected on infusion tube (16), the inside of drying box (5) is provided with sweeping assembly, the fruit yogurt block is swept by sweeping assembly.

2. The vacuum freeze-drying apparatus for fruit yogurt pieces according to claim 1, characterized in that: The preheating assembly includes the heat preservation box (11) arranged on the rear side of the drying box (5), the outer wall of the left branch pipe (3) is fixedly connected with the second pipeline (9), the end of the second pipeline (9) is fixedly connected on the top side of the heating tank (8), the middle end of the first pipeline (12) is arranged in the heat preservation box (11), and the middle end of the second pipeline (9) is arranged in the heat preservation box (11).

3. The vacuum freeze-drying apparatus for fruit yogurt pieces according to claim 1, characterized in that: The sweeping assembly includes the threaded rod (21) and the limiting rod (20) arranged in the inside of the drying box (5), the threaded rod (21) is rotatably connected in the inside of the drying box (5), and the limiting rod (20) is fixedly connected in the inside of the drying box (5).

4. The vacuum freeze-drying apparatus for fruit yogurt pieces according to claim 3, characterized in that: The threaded rod (21) and the limiting rod (20) are connected by the sliding plate (25), one end of the sliding plate (25) is threadedly connected on the outer wall of the threaded rod (21), and the other end of the sliding plate (25) is slidably connected on the outer wall of the limiting rod (20).

5. A vacuum freeze-drying apparatus for fruit yogurt nuggets according to claim 4, characterized in that: The bottom side of the sliding plate (25) is fixedly connected with a plurality of telescopic rods (26), the bottom end of the telescopic rod (26) is fixedly connected with the scraper (27), the front side of the drying box (5) is provided with the motor (7), and the driving end of the motor (7) is fixedly connected on the front end of the rotating rod (24).

6. A vacuum freeze-drying apparatus for fruit yogurt nuggets according to claim 5, characterized in that: The rear ends of the rotating rod (24) and the threaded rod (21) are fixedly connected with the belt pulley (19), and the two belt pulleys (19) are connected by the inner side of the belt.

7. The vacuum freeze-drying apparatus for fruit yogurt pieces according to claim 1, characterized in that: The top side of the drying box (5) is fixedly connected with the air inlet pipe (10), the air inlet pipe (10) is connected with the refrigeration system, the bottom side of the drying box (5) is fixedly connected with the discharge chute (13), the outer wall of the discharge chute (13) is provided with the control valve (14), and the bottom side of the discharge chute (13) is provided with the collecting box (6).

8. The vacuum freeze-drying apparatus for fruit yogurt pieces according to claim 1, characterized in that: The rear side of the drying box (5) is provided with the vacuum pump (17), and the vacuum pump (17) and the drying box (5) are connected by the air suction pipe (18).