High-pressure steam heating food oven

Abstract

The utility model provides a food oven heated by high-pressure steam, which belongs to the field of food baking and comprises a shell and an inner container mounted in the shell, a high-pressure pipe is mounted on the outer surface of the inner container in an attached manner and connected to a steam source, the steam source supplies high-temperature and high-pressure steam to the high-pressure pipe, and the high-temperature and high-pressure steam is borne by the high-pressure pipe. High-temperature and high-pressure steam is used for transferring heat into the oven to conduct baking work instead of open fire heating, various problems caused by open fire heating can be avoided, meanwhile, baking work can be continuously conducted for a long time, the baking efficiency is improved, steam generated by other equipment can be recycled, residual heat is fully utilized, the heat efficiency is improved, and energy is saved.

Description

Technical Field

[0001] The utility model belongs to the field of food baking, in particular to a food oven heated by high-pressure steam. Background Art

[0002] Commonly used ovens can be divided into two categories according to the heating method, one is heating by electric heating, and the other is heating by fuel combustion. However, both heating methods have certain shortcomings. The electric heating method is limited by the characteristics of the electric heating wire and cannot be continuously heated for a long time, otherwise it will accelerate the loss of the electric heating wire, shorten the service life, and restrict the efficiency of baking; the fuel combustion heating method is open flame heating, which is prone to incomplete combustion, wastes energy and may even cause safety accidents, which is a potential safety hazard. Utility Model Content

[0003] Based on the above problems in the prior art, the utility model provides a high-pressure steam heated food oven, comprising an outer shell and an inner pot installed in the outer shell, a high-pressure pipe is fitted on the outer surface of the inner pot, the high-pressure pipe is connected to a steam source, and the steam source supplies high-temperature and high-pressure steam to the high-pressure pipe.

[0004] Among them, the steam source adopts an external high-temperature and high-pressure steam source, the air inlet end of the high-pressure pipe is connected to the air outlet of the steam source, the air outlet end of the high-pressure pipe extends to one side of the inner tank and spirals back and forth on this side to cover the entire side, and then extends to the other side of the inner tank and spirals back and forth on this side to cover the entire side, and finally connects to the return air port of the steam source.

[0005] The outer side of the inner liner is covered with an insulation box, and a heat transfer cavity is formed between the inner surface of the insulation box and the outer surface of the inner liner. The heat transfer cavity covers at least two side surfaces of the inner liner and the high-pressure pipe is arranged in the heat transfer cavity.

[0006] The heat transfer cavity covers the bottom, back, left and right sides of the inner container, and the high-pressure pipe covers the left and right sides of the inner container.

[0007] Among them, an insulating layer covering a heat transfer cavity is arranged on the side of the thermal insulation box close to the outer shell; the heat transfer cavity extends to above the top surface of the inner liner, and the heat transfer cavity is also connected to the space between the thermal insulation box and the outer shell above the inner liner; and an air vent extending upward through the thermal insulation box is arranged on the top of the inner liner.

[0008] Among them, a partition plate is provided in the inner liner to divide the inner liner into two parts, front and rear. A turbo fan is fixedly installed on the thermal insulation box. The leaf end of the turbo fan extends to the rear of the inner liner and is fixedly installed with an air guide cover. The partition plate is provided with a plurality of air supply holes corresponding to the air outlet of the air guide cover, and a plurality of tray racks are provided at the front of the inner liner.

[0009] Among them, the front of the inner tank is placed with an opening, and a box door is installed on the outer shell through a hinge. The box door includes a door frame, a door panel groove is provided on the door frame, a first door panel is installed in the door panel groove, a second door panel is fittedly installed on the side of the door frame away from the inner tank, a hollow layer is provided between the first door panel and the second door panel, and a sealing strip is provided on the side of the door frame close to the inner tank.

[0010] The utility model has the beneficial effects:

[0011] 1. A high-pressure pipe is set on the side of the inner pot, which carries high-temperature and high-pressure steam. The high-temperature and high-pressure steam is used to transfer heat to the oven for baking. It is not heated by open flame, which can avoid various problems caused by open flame heating. At the same time, it can also continue baking for a long time, thereby improving baking efficiency.

[0012] 2. The oven is one of the kitchen equipment. The oven that uses high-temperature and high-pressure steam as the heat source can collect water vapor released by other kitchen equipment during use, and then pressurize and heat it to make high-temperature and high-pressure water vapor, thereby realizing energy recovery, making full use of residual heat, improving thermal efficiency and saving energy, and can solve the problem of water vapor emission.

[0013] 3. The inner tank is covered with an insulation box so that the bottom, top and multiple sides of the inner tank can fit with the heat transfer cavity. The air in the heat transfer cavity transfers heat to the back, sides and top of the inner tank. Multiple surfaces are heated at the same time to heat the inner tank, making the temperature inside the inner tank more uniform. It has the advantages of fast heating and uniform temperature. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural diagram of a high-pressure steam heated food oven.

[0015] Figure 2 The invention is a schematic diagram of the left and right side cross-sectional structure of a high-pressure steam heated food oven.

[0016] Figure 3 The invention is a schematic diagram of the front and back cross-sectional structure of a high-pressure steam heated food oven.

[0017] Figure 4 It is a schematic diagram of the structure of the heat insulation layer on the side of the inner tank.

[0018] Figure 5 It is a schematic diagram of the structure of the high-pressure pipe on the side of the inner tank.

[0019] Figure 6 It is a schematic diagram of the structure of a turbo fan.

[0020] Figure 7 It is a structural diagram of the box door.

[0021] Figure 8 It is a schematic diagram of the cross-sectional structure of the box door.

[0022] Fig. 9 yes Figure 8 Enlarged view of point A. DETAILED DESCRIPTION

[0023] The utility model is described in detail below with reference to the accompanying drawings and specific embodiments.

[0024] As attached Figure 1-9 A high-pressure steam-heated food oven shown in the figure comprises an outer shell 1 and an inner pot 2 installed in the outer shell 1, a supporting bracket 3 is arranged below the outer shell 1, and four universal wheels 4 are installed on the lower surface of the supporting bracket 3, the outer side of the inner pot 2 is covered with an insulation box 5, and a heat transfer cavity 6 is formed between the inner surface of the insulation box 5 and the outer surface of the inner pot 2, and the heat transfer cavity 6 covers the top surface, bottom surface, back surface, left side and right side of the inner pot 2, and mounting frames 11 are fixedly installed on the left and right side surfaces of the inner pot 2, and the mounting frame 11 is located in the heat transfer cavity 6, and a continuous high-pressure pipe 7 is fixedly installed on the mounting frame 11, and the high-pressure pipe 7 is connected to an external high-temperature and high-pressure water vapor forming device as a steam source. The air inlet end of the high-pressure pipe 7 is connected to the air outlet of the high-temperature and high-pressure water vapor forming device. After the high-pressure pipe 7 extends from the high-temperature and high-pressure water vapor forming device, it passes through the outer shell 1 and the insulation box 5 from the back of the food oven and then extends to the lower part of the left side (or right side) of the inner pot 2. The high-pressure pipe 7 extends from the rear direction of the left side (or right side) of the inner pot 2 to the front, then bends upward 180° and then extends to the rear, and then continues to spiral back and forth on the left side (or right side) to extend upward to cover the entire left side (or right side), and then extends horizontally from the rear of the inner pot 2 to the right side (or left side) of the inner pot 2 and spirals back and forth on this side to extend downward until the entire right side (or left side) of the inner pot 2 is covered, and finally passes through the insulation box 5 and the outer shell 1 from the back of the food oven again and is connected to the return air port of the high-temperature and high-pressure water vapor forming device, so that the left outer surface and the right outer surface of the inner pot 2 are both fitted with the high-pressure pipe 7.

[0025] The side of the heat preservation box 5 close to the outer shell 1 is provided with an insulation layer 13 covering the heat transfer cavity 6, and the insulation layer 13 can prevent the heat from being transferred outward and causing energy waste. The top of the inner liner 2 is provided with an air vent 15 extending upward to pass through the heat preservation box 5. The heat dissipation and heat preservation of the inner liner 2 can be achieved by opening or closing the air vent 15; a partition plate 16 is provided in the inner liner 2 to divide the inner liner 2 into two parts, front and back; a turbo fan 17 is fixedly installed on the heat preservation box 5, and the leaf end of the turbo fan 17 extends to the rear of the inner liner 2 and is fixedly installed with an air guide cover 18, and the partition plate 16 is provided in the inner liner 2 to separate the inner liner 2 into two parts, front and back. 6 A plurality of air supply holes 12 are arranged at the air outlet corresponding to the air guide cover 18, and nine tray racks 20 are arranged at the front of the inner liner 2; the front of the inner liner 2 is a placement opening, and a box door 21 is installed on the outer shell 1 through a hinge 14, and the box door 21 includes a door frame 22, and a door plate groove 23 and a handle 24 are arranged on the door frame 22. A first door plate 25 is installed in the door plate groove 23, and a second door plate 26 is installed on the side of the door frame 22 away from the inner liner 2, and a hollow layer is arranged between the first door plate 25 and the second door plate 26, and a sealing strip 27 is arranged on the side of the door frame 22 close to the inner liner 2.

[0026] The food oven provided in this embodiment needs to connect the high-pressure pipe 7 to the high-temperature and high-pressure steam generating device when it is installed, so as to obtain the high-temperature and high-pressure steam as a heat source. When in use, the baking program can be manually controlled according to actual needs, or a control system can be set in the oven and the baking program can be set through the control panel, and the baking process can be controlled by the control program.

[0027] When baking, first open the oven door 21, place the tray with food on the tray rack 20, close the oven door 21, and start the high-temperature and high-pressure water vapor forming device. The high-temperature and high-pressure water vapor forming device can use water to produce high-temperature and high-pressure water vapor, or collect water vapor formed by other equipment and then heat and pressurize it to form high-temperature and high-pressure water vapor, while making full use of the residual heat of other equipment and solving the water vapor emission problem of other equipment, and then transport the high-temperature and high-pressure water vapor to the oven through the high-pressure pipe 7. Under the guidance of the high-pressure pipe 7, the high-temperature and high-pressure water vapor passes through the outer surface of the inner pot 2 and then returns to the high-temperature and high-pressure water vapor forming device. After replenishing the heat, the water vapor transports heat to the oven again. No open flame will be formed through heat transfer through water vapor, which can avoid many problems caused by open flame heating; in addition, the water vapor is recycled and will not cause too much energy waste. When high-temperature and high-pressure water vapor passes through the heat transfer cavity 6, it can release heat to the heat transfer cavity, and use the air in the heat transfer cavity 6 to transfer heat, and at the same time heat the bottom, back, left, right and top surfaces of the inner pot 2, so that the temperature of the upper and lower parts of the inner pot 2 is more balanced, and a better baking effect is achieved. In addition, a turbo fan 17 is provided. When baking, the turbo fan 17 can be used to drive the air flow inside the inner pot 2 to further balance the temperature of the inner pot 2. After baking, the turbo fan 17 can be used to blow out the heat, accelerate the heat dissipation, and shorten the time interval between two rounds of baking. When dissipating heat, preliminary heat dissipation can be performed through the air vents 15, and the door 21 can be opened after the temperature of the inner pot 2 drops to a suitable level, so as to avoid being scalded by hot air when opening the door 21.

[0028] The above-mentioned embodiment only expresses one implementation method of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A high-pressure steam-heated food oven, comprising an outer shell (1) and an inner container (2) installed in the outer shell (1), characterized in that: A high-pressure pipe (7) is fitted on the outer surface of the inner container (2), and the high-pressure pipe (7) is connected to a steam source, and the steam source supplies high-temperature and high-pressure steam to the high-pressure pipe (7).

2. A high pressure steam heated food oven according to claim 1, characterized in that: The steam source adopts an external high-temperature and high-pressure steam source, the air inlet end of the high-pressure pipe (7) is connected to the air outlet of the steam source, the air outlet end of the high-pressure pipe (7) extends to one side of the inner pot (2) and spirals back and forth on this side to extend to cover the entire side, then extends to the other side of the inner pot (2) and spirals back and forth on this side to extend to cover the entire side, and finally connects to the air return port of the steam source.

3. A high pressure steam heated food oven according to claim 2, characterized in that: The outer side of the inner liner (2) is covered with a heat preservation box (5), and a heat transfer cavity (6) is formed between the inner surface of the heat preservation box (5) and the outer surface of the inner liner (2). The heat transfer cavity (6) covers at least two side surfaces of the inner liner (2), and the high-pressure pipe (7) is arranged in the heat transfer cavity (6).

4. A high pressure steam heated food oven according to claim 3, characterized in that: The heat transfer cavity (6) covers the bottom surface, the back surface, the left surface and the right surface of the inner container (2), and the high-pressure pipe (7) covers the left surface and the right surface of the inner container (2).

5. A high pressure steam heated food oven according to claim 4, characterized in that: The heat preservation box (5) is provided with a heat insulation layer (13) covering the heat transfer cavity (6) on the side close to the outer shell (1); the heat transfer cavity (6) extends to above the top surface of the inner liner (2), and the heat transfer cavity (6) is also connected to the space between the heat preservation box (5) and the outer shell (1) above the inner liner (2); and the top of the inner liner (2) is provided with an air vent (15) extending upward to pass through the heat preservation box (5).

6. A high pressure steam heated food oven according to claim 5, characterized in that: The inner liner (2) is provided with a partition plate (16) for dividing the inner liner (2) into two parts, front and rear. A turbofan (17) is fixedly mounted on the thermal insulation box (5). The leaf end of the turbofan (17) extends to the rear of the inner liner (2) and is fixedly mounted with an air guide cover (18). The partition plate (16) is provided with a plurality of air supply holes (12) at the air outlet corresponding to the air guide cover (18). The front of the inner liner (2) is provided with a plurality of tray racks (20).

7. A high pressure steam heated food oven according to claim 6, characterized in that: The front of the inner liner (2) is provided with an opening, and a box door (21) is installed on the outer shell (1) via a hinge (14). The box door (21) includes a door frame (22), a door panel groove (23) is provided on the door frame (22), a first door panel (25) is installed in the door panel groove (23), a second door panel (26) is installed on the side of the door frame (22) away from the inner liner (2), a hollow layer is provided between the first door panel (25) and the second door panel (26), and a sealing strip (27) is provided on the side of the door frame (22) close to the inner liner (2).

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