Energy-saving marine product freeze dryer

Abstract

The utility model relates to the technical field of freeze drying, in particular to an energy-saving marine product freeze dryer. The technical problem to be solved by the utility model is to provide the energy-saving marine product freeze dryer which can quickly and uniformly freeze marine products and improve the freezing efficiency of the marine products. An energy-saving marine product freeze-drying machine comprises a freeze-drying box body and a box door fixedly hinged to the front end of the freeze-drying box body. A plurality of placing racks are arranged in the freezing and drying box body; a tray for placing marine products is arranged on the placing rack; the placing rack comprises a fixed frame fixedly mounted in the freezing and drying box body; mounting grooves are formed in the centers of the fixing frames; a plurality of transverse rods used for containing trays are evenly and fixedly installed at the upper end of the fixing frame at equal intervals. The marine product freezing device achieves the effects of quickly and uniformly freezing the marine products and improving the freezing efficiency of the marine products.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of freeze drying, especially relates to an energy-saving marine product freeze drying machine. BACKGROUND

[0002] Freeze drying is a technology using the principle of sublimation, which is a process of rapidly freezing the material to be dried at low temperature, and then making the frozen water sublimate into water vapor and escape in a proper vacuum environment, in order to ensure the freshness of aquatic products, the aquatic products are generally subjected to freeze drying treatment before transportation.

[0003] The existing marine product freeze drying machine on the market places the marine products to be freeze dried in a tray during use, and freeze dries the marine products in the tray by placing the tray in the freeze drying machine, but when the marine products are placed on the tray, the bottom of the marine products is in contact with the tray, resulting in slow freezing and uneven freezing of the bottom of the marine products, therefore, there is an urgent need to develop an energy-saving marine product freeze drying machine capable of quickly and uniformly freezing marine products and improving the freezing efficiency of marine products. SUMMARY

[0004] The utility model discloses to overcome the shortcoming that the bottom of the marine products is in contact with the tray when the marine products are placed on the tray, resulting in slow freezing and uneven freezing of the bottom of the marine products, and the technical problem to be solved by the utility model is to provide an energy-saving marine product freeze drying machine capable of quickly and uniformly freezing marine products and improving the freezing efficiency of marine products.

[0005] The utility model discloses to overcome the shortcoming that the bottom of the marine products is in contact with the tray when the marine products are placed on the tray, resulting in slow freezing and uneven freezing of the bottom of the marine products, and the technical problem to be solved by the utility model is to provide an energy-saving marine product freeze drying machine capable of quickly and uniformly freezing marine products and improving the freezing efficiency of marine products.

[0006] An energy-saving marine product freeze drying machine comprises a freeze drying box body and a door fixedly hinged to the front end of the freeze drying box body, a plurality of placing racks are arranged in the freeze drying box body, and a tray for placing marine products is arranged on the placing rack.

[0007] The placing rack comprises a fixed frame fixedly installed in the freeze drying box body, an installation groove is arranged in the center of the fixed frame, a plurality of horizontal rods for placing the tray are fixedly and uniformly installed at equal intervals on the upper end of the fixed frame, side baffles are further fixedly arranged on both sides of the upper end face of the fixed frame, a fan is further fixedly arranged in the installation groove in the center of the fixed frame, and an evaporator fixedly connected with the fixed frame is arranged on the upper end of the fan.

[0008] The tray comprises a disc body, a placing groove is arranged in the center of the disc body, a mesh is arranged on the upper end of the placing groove arranged in the center of the disc body, a plurality of ventilation pipes are protrusively arranged at the bottom of the placing groove of the disc body, and a ventilation hole penetrating through the bottom of the placing groove of the disc body is arranged in the center of the plurality of ventilation pipes.

[0009] Further, the upper side of the ventilation pipe protrudingly arranged at the bottom of the disc body is further provided with a baffle, and the baffle is fixedly connected with the ventilation pipe through a supporting rod; the upper end of the ventilation hole arranged on the ventilation pipe is shielded by the baffle arranged on the upper end of the ventilation pipe, so that the water droplets attached to the marine products placed on the screen are prevented from dropping into the ventilation hole of the ventilation pipe.

[0010] Further, the several ventilation pipes protrudingly arranged at the bottom of the disc body are equidistantly and uniformly distributed; the cold air at the lower end of the disc body can be uniformly blown into the bottom of the disc placing groove through the equidistantly and uniformly arranged ventilation pipes.

[0011] Further, the bottom of the ventilation hole arranged at the center of the ventilation pipe is provided with a rounded arc corner; the cold air at the lower end is facilitated to be blown into the ventilation hole of the ventilation pipe.

[0012] Compared with the prior art, the energy-saving marine product freezing and drying machine has the following beneficial effects:

[0013] The energy-saving marine product freezing and drying machine can quickly and uniformly freeze marine products and improve the freezing efficiency of the marine products. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a front view structural schematic diagram of the utility model.

[0015] Figure 2 It is a front view structural schematic diagram of the placing rack of the utility model.

[0016] Figure 3 It is a sectional view structural schematic diagram of the placing rack of the utility model.

[0017] Figure 4 It is a sectional view structural schematic diagram of the tray of the utility model.

[0018] Figure 5 It is a sectional view structural schematic diagram of the tray of the utility model.

[0019] The marks in the drawings are as follows: 1-freeze drying box body, 2-box door, 3-placing rack, 4-tray, 31-fixed frame, 32-through groove, 33-cross rod, 34-side baffle, 35-fan, 36-evaporator, 41-disc body, 42-screen, 43-ventilation pipe, 44-baffle, 45-supporting rod. DETAILED DESCRIPTION

[0020] The utility model will be further described below in combination with the drawings: EMBODIMENT

[0021] An energy-saving marine product freezing and drying machine, such as Figures 1-5As shown, including a freeze drying box 1, fixed hinged to the front end of the freeze drying box 1 door 2; The freeze drying box 1 is provided with a plurality of racks 3; The rack 3 is provided with a tray 4 for placing marine products on the rack 3;

[0022] The rack 3 comprises a fixed frame 31 fixedly installed in the freeze drying box 1; The center of the fixed frame 31 is provided with a mounting groove; A plurality of horizontal rods 33 for placing the tray 4 are fixedly installed on the upper end of the fixed frame 31; The upper end surface of the fixed frame 31 is further provided with a side baffle 34; The center of the fixed frame 31 is further provided with a fan 35; The upper end of the fan 35 is provided with an evaporator 36 fixedly connected with the fixed frame 31;

[0023] The tray 4 comprises a disc body 41, and the disc body 41 is provided with a placing groove in the center; The placing groove in the center of the disc body 41 is provided with a screen 42 on the upper end; The bottom of the placing groove of the disc body 41 is provided with a plurality of ventilation pipes 43 protruding, and the center of the ventilation pipe 43 is provided with a ventilation hole penetrating through the bottom of the placing groove of the disc body 41; The upper side of the ventilation pipe 43 protruding on the bottom of the placing groove of the disc body 41 is further provided with a shutter 44, and the shutter 44 is fixedly connected with the ventilation pipe 43 through a supporting rod 45.

[0024] Working principle:

[0025] The utility model discloses a freeze drying machine, a plurality of racks 3 are provided in the freeze drying box 1, and a plurality of trays 4 for placing marine products are arranged on the rack 3; In the use, the marine products needing freeze drying are placed into the tray 4, the tray 4 is placed on the horizontal rod 33 arranged on the upper end of the rack 3, then the door 2 is closed, and the freeze drying box 1 is started; The freeze drying box 1 carries out freeze drying to the marine products in the tray 4, in the process of freezing, the fan 35 arranged in the fixed frame 31 of the rack 3 is started, air flow is generated, the air flow is rapidly cooled through the evaporator 36, cold air is formed, the cold air is blown to the bottom of the tray 4 of the rack 3, the tray 4 comprises a disc body 41, the disc body 41 is provided with a placing groove in the center, the placing groove is provided with a screen 42 on the upper end, the marine products are placed on the screen 42, and the bottom of the placing groove of the disc body 41 is provided with a plurality of equidistantly and uniformly distributed ventilation pipes 43 protruding, and the center of the ventilation pipe 43 is provided with a ventilation hole penetrating through the bottom of the placing groove of the disc body 41; The cold air blown from the fan 35 can pass through the ventilation pipe 43 and be blown into the bottom of the placing groove uniformly, so that the marine products can be uniformly and rapidly frozen, and the freezing efficiency of the marine products is improved; Meanwhile, in order to prevent the water droplets adhered on the marine products placed on the screen 42 from dropping into the ventilation hole of the ventilation pipe 43, the upper side of the ventilation pipe 43 is further provided with a shutter 44, the shutter 44 is fixedly connected with the ventilation pipe 43 through a supporting rod 45, and the shutter 44 shields the ventilation hole of the ventilation pipe 43.

[0026] The control mode of the utility model is automatic control through the controller, the control circuit of the controller can be realized through simple programming of the person skilled in the art, the provision of the power supply also belongs to the public knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the utility model will not explain the control mode and the circuit connection in detail.

[0027] Although the present disclosure has been described in detail with reference to exemplary embodiments, the present disclosure is not limited thereto and various modifications and changes can be made thereto without departing from the scope thereof, which will be apparent to those skilled in the art.

Claims

1. An energy-saving marine product freeze-drying machine, comprising a freeze-drying box body (1), a box door (2) fixedly hinged to the front end of the freeze-drying box body (1); a plurality of placing shelves (3) are arranged in the freeze-drying box body (1); a tray (4) for placing marine products is arranged on the placing shelf (3); characterized in that The placing shelf (3) comprises a fixed frame (31) fixedly installed in the freeze-drying box body (1); the fixed frame (31) is provided with a mounting groove in the center; a plurality of horizontal rods (33) for placing the tray (4) are fixedly and uniformly installed on the upper end of the fixed frame (31); side baffles (34) are further fixedly arranged on both sides of the upper end surface of the fixed frame (31); a fan (35) is further fixedly arranged in the center mounting groove of the fixed frame (31); an evaporator (36) fixedly connected with the fixed frame (31) is arranged on the upper end of the fan (35); The tray (4) comprises a tray body (41), and the tray body (41) is provided with a placing groove in the center; a mesh (42) is arranged on the upper end of the placing groove arranged in the center of the tray body (41); a plurality of ventilation pipes (43) are protrusively arranged on the bottom of the placing groove of the tray body (41), and the ventilation pipes (43) are provided with ventilation holes penetrating through the bottom of the placing groove of the tray body (41) in the center.

2. The energy-saving marine product freeze-drying machine according to claim 1, characterized in that, The ventilation pipe (43) protrusively arranged on the bottom of the placing groove of the tray body (41) is further provided with a baffle (44) on the upper side, and the baffle (44) is fixedly connected with the ventilation pipe (43) through a supporting rod (45).

3. The energy-efficient marine product freeze-drying machine according to claim 1, wherein The plurality of ventilation pipes (43) protrusively arranged on the bottom of the tray body (41) are uniformly distributed at equal intervals.

4. The energy-efficient marine product freeze-drying machine according to claim 1, wherein The bottom of the ventilation hole arranged in the center of the ventilation pipe (43) is provided with a rounded arc corner.

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