Raw material drying device for food processing
By designing a circulating heating system consisting of heating resistance wire, air pump, and heat exchange tube, the problems of slow speed and heat waste in existing drying devices were solved, achieving efficient drying of food raw materials.
Patent Information
- Application Number
- CN202422821430.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-19
AI Technical Summary
Existing drying equipment is slow and has poor drying effect in food processing, and there is a serious waste of heat in the high-temperature air, resulting in poor performance.
A drying device comprising a heating resistance wire, an air pump, a heat exchange tube, and a molecular sieve filter element was designed. The drying efficiency is improved by circulating heating and air flow rate, and waste heat is used for circulating heating to reduce heat waste.
It improves the drying speed and effect of food raw materials, makes full use of the residual heat in the high-temperature air, and enhances the performance of the drying equipment.
Smart Images
Figure CN223580435U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to drying device technical field especially relates to a raw material drying device for food processing. BACKGROUND
[0002] Food processing refers to a series of processing and processing of food raw materials, in the food processing process, raw materials need to go through inspection, cleaning, cutting, mixing, drying, seasoning etc. A series of processing steps to make food products that meet consumer demand, wherein the drying operation of raw materials for food processing needs to use a drying device.
[0003] The existing drying device generally places food raw materials on a tray, then puts the tray into a drying box, heats the inside of the drying box, evaporates the moisture in the food raw materials at high temperature, and completes drying. However, since the drying box generally only dries the food raw materials at high temperature during drying, the air flow speed on the surface of the food raw materials is slow during the drying process, which will result in low drying speed and poor drying effect. In addition, during the drying process, the water vapor evaporated from the inside of the food raw materials needs to be discharged from the box body, and in order to maintain the internal pressure balance of the drying box, dry air from the outside is transported into the drying box. Since the temperature of the dry air from the outside is low, the temperature in the drying box will be reduced when the dry air is transported into the drying box, and the heat in the high-temperature air discharged together with the water vapor will be wasted, resulting in poor use effect. Therefore, we propose a raw material drying device for food processing. SUMMARY
[0004] The utility model discloses a raw material drying device for food processing to solve the above-mentioned shortcomings in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a raw material drying device for food processing is designed, which comprises a box body, four support rods are installed inside the box body, a plurality of layers of fixing frames are installed between the four support rods, a gas outlet pipe is installed at the top of each side fixing frame, a placing plate is arranged between the two adjacent gas outlet pipes, a food raw material tray is arranged at the top of each placing plate, and a gas outlet hole is formed in the side of each gas outlet pipe close to the placing plate.
[0006] A strip-shaped limiting plate is installed on both sides of each placing plate, a plurality of strip-shaped connecting plates are connected between the two support rods on the same side, a limiting groove is formed in the side surface of each strip-shaped connecting plate and the support rod, and the side of the strip-shaped limiting plate extends into the corresponding limiting groove and is in sliding fit with the limiting groove.
[0007] The bottom of the box body is provided with a bottom plate, a gas feeding pump is arranged at one end of the top of the bottom plate, a first gas feeding pipe is connected to the gas outlet end of the gas feeding pump, the first gas feeding pipe is fixed on the side of the box body, one end of each gas outlet pipe penetrates through the side wall of the box body and is connected to the first gas feeding pipe, a second gas feeding pipe is connected to the gas inlet end of the gas feeding pump, the other end of the second gas feeding pipe is fixed on the top of the heating box, and the heating box is fixed on the bottom plate;
[0008] The heating box is internally provided with heating resistance wires on both sides, a heat exchange pipe is arranged between the two heating resistance wires, one side of the heat exchange pipe is fixed in the heating box through a support, one end of the heat exchange pipe is connected to the end of the second gas feeding pipe, and the other end of the heat exchange pipe is connected to a gas guide pipe;
[0009] The top of the bottom plate is further provided with a drying box, the top of the drying box is provided with a top cover, one end of the gas guide pipe is fixed on the top cover, a limiting ring is coaxially arranged at the bottom of the drying box, a molecular sieve filter core is arranged in the limiting ring, the top of the molecular sieve filter core extends to the outside of the limiting ring, and when the top cover is fixed on the top of the drying box, the top of the molecular sieve filter core is in sealing connection with the bottom of the top cover.
[0010] An exhaust pipe is arranged at one side of the bottom of the drying box, one end of the exhaust pipe is fixed on the side of the box body, and the side of the exhaust pipe is connected to the inside of the box body through a pipeline.
[0011] Preferably, the top of each placement plate is provided with a placement groove, and the food raw material tray is arranged in the placement groove, and the placement plate and the food raw material tray are in a mesh structure.
[0012] Preferably, one end of each placement plate is connected to two supporting legs, the bottom of each supporting leg extends to the lower side of the placement plate, and a roller is arranged at the bottom of each supporting leg.
[0013] Preferably, an opening groove is arranged at one end of the bottom of the box body close to the opening, and when the placement plate is arranged in the box body, the roller is arranged in the corresponding opening groove.
[0014] Preferably, the box door is connected to the box body through a hinge at both sides of the end of the box body close to the opening, and the box door covers the opening of the box body and is in sealing connection with the end of the box body.
[0015] Preferably, a space is arranged between the outer surface of the molecular sieve filter core and the side wall of the drying box.
[0016] Preferably, a control box is arranged at the top of the bottom plate, and a controller in the control box is connected to the gas feeding pump and the heating resistance wire through wires.
[0017] The design scheme of the utility model has the following beneficial effects in the application process:
[0018] The air in the heat exchange pipe can be heated by the heating resistance wire, and then the heated air can be transported into the air outlet pipe through the second air conveying pipe and the first air conveying pipe by the air conveying pump, and is blown to the surface of the food raw material through the air outlet hole, so that the air flow rate around the food raw material is increased while the food raw material is dried at high temperature, and the drying speed is improved, and the use effect is improved.
[0019] The high-temperature air in the box body can be transported into the drying box through the exhaust pipe, dried, and then transported into the heat exchange pipe through the air guide pipe, heated by the heating resistance wire, and finally transported into the box body through the second air conveying pipe and the first air conveying pipe by the air conveying pump, so that the food raw material is heated in circulation, and the waste of residual heat of the high-temperature air blown out of the air outlet hole after the food raw material is dried is avoided, and the use effect is improved. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 Structure diagram of the utility model Figure 1 ; Structure diagram of the utility model
[0021] Figure 2 Structure diagram of the utility model Figure 2 ; Structure diagram of the utility model
[0022] Figure 3 Structure diagram of the utility model
[0023] Figure 4 Structure diagram of the utility model
[0024] Figure 5 Structure diagram of the utility model
[0025] In the figure: 1, bottom plate; 2, support leg; 3, roller; 4, open slot; 5, storage slot; 6, box door; 7, strip-shaped limiting plate; 8, storage plate; 9, box body; 10, first air conveying pipe; 11, second air conveying pipe; 12, heating box; 13, air conveying pump; 14, air guide pipe; 15, top cover; 16, drying box; 17, exhaust pipe; 18, heating resistance wire; 19, heat exchange pipe; 20, support rod; 21, air outlet pipe; 22, fixing frame; 23, strip-shaped connecting plate; 24, limiting slot; 25, air outlet hole; 26, limiting ring; 27, molecular sieve filter element; 28, control box. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0027] ReferenceFigures 1-5 The utility model provides a food processing raw material drying device, including the box 9, the inside installation of box 9 is equipped with four support rods 20, and a plurality of layers of fixed frame 22 are installed between four support rods 20, and the top of each side fixed frame 22 is equipped with the air outlet pipe 21, and the adjacent two air outlet pipes 21 between are equipped with the article plate 8, and the top of each article plate 8 is equipped with food raw material tray, and the side of each air outlet pipe 21 close to article plate 8 is equipped with the air outlet hole 25, in actual use process, can place the tray with food raw material on article plate 8, and article plate 8 is moved to the air outlet pipe 21 between, so that food raw material is located in the box 9, and subsequent food raw material is handled conveniently.
[0028] It should be noted that, as shown in Figure 5 The top of each article plate 8 is equipped with the article groove 5, and the food raw material tray is placed in the article groove 5, and the article plate 8 and the food raw material tray are both mesh structures, in actual use process, the food raw material tray can be limited by the article groove 5, to avoid the food raw material tray from falling off the article plate 8, and because the article plate 8 and the food raw material tray are mesh structures, so the air outlet hole 25 can blow air from the upper and lower directions of the article plate 8 to the surface of the food raw material, to speed up the drying speed.
[0029] As shown in Figure 5 The two sides of each article plate 8 are equipped with the strip limiting plate 7, and a plurality of strip connecting plates 23 are connected between the two support rods 20 on the same side, and the side surface of each strip connecting plate 23 and the support rod 20 is equipped with the limiting groove 24, and one side of the strip limiting plate 7 extends into the corresponding limiting groove 24 and is in sliding fit with the limiting groove 24, in actual use process, the article plate 8 can be limited by the cooperation of the strip limiting plate 7 and the limiting groove 24, to keep the article plate 8 stable.
[0030] As shown in Figure 1 The bottom of the box 9 is equipped with the bottom plate 1, and the top of the bottom plate 1 is equipped with the control box 28, and the inside of the control box 28 is equipped with the controller, and the controller is one of control mainboard or PLC logic controller.
[0031] As shown in Figure 2 and Figure 3As shown, an air pump 13 is installed at one end of the top of the base plate 1. The air pump 13 is connected to the controller via wires. The air outlet of the air pump 13 is connected to a first air pipe 10, which is fixed to the side of the box 9. One end of each air outlet pipe 21 penetrates the side wall of the box 9 and is connected to the first air pipe 10. The air inlet of the air pump 13 is connected to a second air pipe 11, and the other end of the second air pipe 11 is fixed to the top of the heating box 12. The heating box 12 is fixed to the base plate 1. In actual use, the air pump 13 can drive the air flow in the first air pipe 10 and the second air pipe 11, so that the air flows into the box 9 and is sprayed onto the surface of the food raw materials through the air outlet 25.
[0032] like Figure 3 As shown, heating resistance wires 18 are installed on both sides inside the heating chamber 12. The heating resistance wires 18 are connected to the controller via wires. A heat exchange tube 19 is provided between the two heating resistance wires 18. One side of the heat exchange tube 19 is fixed inside the heating chamber 12 by a bracket. One end of the heat exchange tube 19 is connected to the end of the second air supply pipe 11, and the other end of the heat exchange tube 19 is connected to the air guide pipe 14. In actual use, the controller controls the heating resistance wires 18 to work. The heat generated by the heating resistance wires 18 will heat the air in the heat exchange tube 19. The heated air can be delivered to the inside of the chamber 9 by the air supply pump 13 and sprayed onto the surface of the food raw materials through the air outlet 25 to dry the surface of the food raw materials. The drying speed is fast.
[0033] like Figure 2 and Figure 3 As shown, a drying chamber 16 is also installed on the top of the base plate 1. The top of the drying chamber 16 is provided with a top cover 15. One end of the air guide pipe 14 is fixed to the top cover 15. A limiting ring 26 is coaxially installed at the bottom of the drying chamber 16. A molecular sieve filter element 27 is provided inside the limiting ring 26. The top of the molecular sieve filter element 27 extends to the outside of the limiting ring 26. When the top cover 15 is fixed to the top of the drying chamber 16, the top of the molecular sieve filter element 27 is sealed to the bottom of the top cover 15. An exhaust pipe 17 is installed on one side of the bottom of the drying chamber 16. One end of the exhaust pipe 17 is fixed to the chamber body 9. On the side, and the side of the exhaust pipe 17 is connected to the inside of the box 9 through a pipe. In actual use, the air after drying the food raw materials can be transported to the drying box 16 together with the water vapor evaporated from the food raw materials through the exhaust pipe 17. After the water vapor is adsorbed by the molecular sieve filter element 27, the remaining dry air is returned to the heat exchange tube 19 through the air guide pipe 14. After being heated by the heating resistance wire 18, the air is transported to the box 9 through the first air supply pipe 10 and the second air supply pipe 11 by the air supply pump 13 to circulate and dry the food raw materials.
[0034] It should be noted that, as Figure 1As shown, the box body 9 is connected with the box door 6 through the hinge on both sides of the end close to the opening, the box door 6 covers the opening of the box body 9 and is sealingly connected with the end of the box body 9, the opening of the box body 9 can be sealed through the box door 6, so that the inside of the box body 9 forms a closed space, and the air heated by the heating resistance wire 18 can circulate between the box body 9 and the heat exchange pipe 19.
[0035] Specifically, in use, the staff places the tray containing food raw materials in the storage groove 5 on the storage plate 8, and then pushes the storage plate 8 into the box body 9, so that the food raw materials are located between the two adjacent air outlet pipes 21, then the staff closes the box door 6, and then controls the heating resistance wire 18 and the air conveying pump 13 to work through the controller, the heating resistance wire 18 heats the air in the heat exchange pipe 19, the heated air is conveyed into the air outlet pipe 21 along the second air conveying pipe 11 and the first air conveying pipe 10 under the action of the air conveying pump 13, and is blown to the surface of the food raw materials through the air outlet hole 25, so that the food raw materials are dried, then the air in the box body 9 and the water vapor evaporated from the food raw materials are conveyed into the exhaust pipe 17 through the pipeline, and are discharged into the drying box 16 through the exhaust pipe 17, then the water vapor is adsorbed by the molecular sieve filter element 27 in the drying box 16, the remaining dry air passes through the molecular sieve filter element 27 and is conveyed back into the heat exchange pipe 19 through the air guide pipe 14, and is cyclically heated by the heating resistance wire 18, so that the waste heat in the air after drying the food raw materials can be fully utilized, and the use effect is improved.
[0036] Further, as shown in the figure, Figure 1 As shown, one end of the storage plate 8 is connected through two legs 2, and the bottom of the leg 2 extends below the storage plate 8, and the bottom of each leg 2 is provided with a roller 3, and the bottom of the roller 3 is in contact with the top of the bottom plate 1, and the bottom of the box body 9 is provided with an opening groove 4 close to the opening, when the storage plate 8 is located in the box body 9, the roller 3 moves into the corresponding opening groove 4, in actual use, the storage plate 8 can be supported through the leg 2, so that one end of the storage plate 8 remains stable when moving out of the box body 9, and the roller 3 can be stored under the action of the opening groove 4, so as to avoid the interference of the bottom of the box body 9.
[0037] Further, as shown in the figure, Figure 4 As shown, the outer surface of the molecular sieve filter element 27 is spaced apart from the inner side wall of the drying box 16, so that the molecular sieve filter element 27 does not block the end of the exhaust pipe 17.
[0038] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A raw material drying device for food processing, comprising a box (9), characterized in that: The inside of the box body (9) is provided with four supporting rods (20), and a plurality of layers of fixing frames (22) are arranged between the four supporting rods (20); the top of each fixing frame (22) is provided with an air outlet pipe (21); a storage plate (8) is arranged between two adjacent air outlet pipes (21); the top of each storage plate (8) is provided with a food raw material tray; and an air outlet hole (25) is formed in the side of each air outlet pipe (21) close to the storage plate (8). The two sides of each storage plate (8) are provided with a strip-shaped limiting plate (7); a plurality of strip-shaped connecting plates (23) are connected between the two supporting rods (20) on the same side; the side surface of each strip-shaped connecting plate (23) and the supporting rod (20) is provided with a limiting groove (24); and one side of the strip-shaped limiting plate (7) extends into the corresponding limiting groove (24) and is in sliding fit with the limiting groove (24). The bottom of the box body (9) is provided with a bottom plate (1); one end of the top of the bottom plate (1) is provided with a gas conveying pump (13); the gas outlet end of the gas conveying pump (13) is connected with a first gas conveying pipe (10); the first gas conveying pipe (10) is fixed on the side surface of the box body (9); one end of each air outlet pipe (21) penetrates through the side wall of the box body (9) and is connected with the first gas conveying pipe (10); the gas inlet end of the gas conveying pump (13) is connected with a second gas conveying pipe (11); the other end of the second gas conveying pipe (11) is fixed on the top of a heating box (12); and the heating box (12) is fixed on the bottom plate (1). The two sides of the inside of the heating box (12) are provided with heating resistance wires (18); a heat exchange pipe (19) is arranged between the two heating resistance wires (18); one side of the heat exchange pipe (19) is fixed in the inside of the heating box (12) through a support; one end of the heat exchange pipe (19) is connected with the end of the second gas conveying pipe (11); and the other end of the heat exchange pipe (19) is connected with a gas guide pipe (14). The top of the bottom plate (1) is further provided with a drying box (16); the top of the drying box (16) is provided with a top cover (15); one end of the gas guide pipe (14) is fixed on the top cover (15); a limiting ring (26) is coaxially arranged on the bottom of the drying box (16); the inside of the limiting ring (26) is provided with a molecular sieve filter core (27); the top of the molecular sieve filter core (27) extends to the outside of the limiting ring (26); and when the top cover (15) is fixed on the top of the drying box (16), the top of the molecular sieve filter core (27) is in sealing fit with the bottom of the top cover (15). One side of the bottom of the drying box (16) is provided with an exhaust pipe (17); one end of the exhaust pipe (17) is fixed on the side surface of the box body (9); and the side surface of the exhaust pipe (17) is connected with the inside of the box body (9) through a pipeline.
2. The raw material drying apparatus for food processing according to claim 1, characterized in that: The top of each storage plate (8) is provided with a storage groove (5); the food raw material tray is arranged in the storage groove (5); and the storage plate (8) and the food raw material tray are both in a mesh structure.
3. The raw material drying apparatus for food processing according to claim 2, characterized in that: One end of each storage plate (8) is connected through two supporting legs (2); the bottom of each supporting leg (2) extends below the storage plate (8); the bottom of each supporting leg (2) is provided with a roller (3); and the bottom of the roller (3) is in contact with the top of the bottom plate (1).
4. The raw material drying apparatus for food processing according to claim 3, characterized in that: The bottom of the box (9) is provided with an opening slot (4) near the opening end, when the storage plate (8) is located in the box (9), the roller (3) is moved to the corresponding opening slot (4).
5. The raw material drying apparatus for food processing according to claim 1, characterized in that: The box (9) is connected with the box door (6) through the hinge on both sides of the opening end, the box door (6) covers the opening of the box (9) and is sealingly connected with the end of the box (9).
6. The raw material drying apparatus for food processing according to claim 1, characterized in that: The outer surface of the molecular sieve filter element (27) is spaced apart from the inner side wall of the drying box (16).
7. The raw material drying apparatus for food processing according to claim 1, characterized in that: The top of the bottom plate (1) is provided with a control box (28), and the controller in the control box (28) is connected with the gas conveying pump (13) and the heating resistance wire (18) through wires.