Kitchen equipment capable of recycling waste heat

Abstract

The utility model relates to kitchen equipment for waste heat recycling, which comprises a smoke exhaust ventilator fixedly mounted on a wall body, a heat exchange box is fixedly mounted on the outer wall of the wall body, a smoke pipe is fixedly connected between the heat exchange box and the smoke exhaust ventilator, a heat exchange pipe is fixedly mounted in the heat exchange box, and the smoke pipe is fixedly connected with the smoke exhaust ventilator. A stirring mechanism is arranged in the heat exchange box; the stirring mechanism comprises a driving motor and a sealing box, a connecting shaft is fixedly installed on an output shaft of the driving motor, the end, away from the driving motor, of the connecting shaft extends into the sealing box, the end, away from the driving motor, of the connecting shaft is in transmission connection with a rotating shaft, and the upper end and the lower end of the rotating shaft both extend out of the sealing box; and the outer walls of the upper and lower ends of the rotating shaft are fixedly connected with stirring rods. According to the kitchen equipment capable of recycling the waste heat, the heat exchange efficiency is effectively improved, the effect of efficiently recycling the waste heat is achieved, resource waste is effectively reduced, and energy conservation and environment protection are facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen equipment, in particular to a kitchen equipment capable of recovering and utilizing waste heat. Background Art

[0002] Kitchen equipment refers to the equipment and tools placed in the kitchen or used for cooking. There are two main energy losses in kitchen equipment: one is the chemical heat loss caused by incomplete combustion; the other is the physical heat loss that is not utilized and is carried away by the smoke after the smoke generated by combustion exchanges heat with the bottom of the pot. The energy utilization rate of conventional kitchen equipment is low, generally not higher than 50%, and a large amount of heat is lost in the atmosphere with the smoke.

[0003] Existing kitchen equipment cannot make good use of flue gas waste heat when in use, which wastes resources. When users need to use hot water to wash kitchen utensils in winter, users need additional electric energy to heat the hot water, which increases energy loss and causes inconvenience to use. Therefore, a kitchen equipment with waste heat recovery is proposed to solve the above problems. Utility Model Content

[0004] In view of the shortcomings of the prior art, the utility model provides a kitchen device for waste heat recovery and utilization, which has the advantages of efficient waste heat recovery, etc., and solves the problem that the existing kitchen equipment cannot make good use of the waste heat of flue gas when in use, thus wasting resources. When users need to use hot water when washing kitchen utensils in winter, the user needs additional electric energy to heat the hot water, which increases the energy loss and causes inconvenience to the user.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a kitchen device for waste heat recovery and utilization, comprising a range hood fixedly mounted on a wall, a heat exchange box fixedly mounted on the outer wall of the wall, a smoke pipe fixedly connected between the heat exchange box and the range hood, a heat exchange pipe fixedly mounted inside the heat exchange box, and a stirring mechanism disposed inside the heat exchange box;

[0006] The stirring mechanism includes a driving motor and a sealing box, a connecting shaft is fixedly installed on the output shaft of the driving motor, one end of the connecting shaft away from the driving motor extends to the inside of the sealing box, and the other end of the connecting shaft away from the driving motor is transmission-connected with a rotating shaft, the upper and lower ends of the rotating shaft both extend to the outside of the sealing box, and stirring rods are fixedly connected to the outer walls of the upper and lower ends of the rotating shaft.

[0007] Furthermore, one end of the heat exchange tube is fixedly connected to the smoke pipe, and one end of the heat exchange tube away from the smoke pipe is fixedly connected to the smoke exhaust pipe.

[0008] Furthermore, a water inlet pipe is fixedly installed on the upper side of the heat exchange box, and a water supply pipe is fixedly installed on the lower side of the heat exchange box.

[0009] Furthermore, a water purifier is fixedly mounted on the outer wall of the wall, and one end of the water supply pipe away from the heat exchange box is fixedly connected to the input end of the water purifier.

[0010] Furthermore, the driving motor is fixedly mounted on the outer wall of the heat exchange box, and the sealing box is fixedly mounted inside the heat exchange box.

[0011] Furthermore, a main gear is fixedly connected to one end of the connecting shaft away from the driving motor, a slave gear is fixedly connected to the outer wall of the rotating shaft, and the main gear is meshed with the slave gear.

[0012] Furthermore, a bearing is fixedly mounted on the inner wall of the sealing box, and an inner ring of the bearing is interference fit with the outer wall of the rotating shaft.

[0013] Furthermore, a sealing ring is fixedly mounted on the outer wall of the sealing box, and the inner wall of the sealing ring is matched with the outer wall of the rotating shaft.

[0014] Compared with the prior art, the utility model provides a kitchen device for waste heat recovery and utilization, which has the following beneficial effects:

[0015] The kitchen equipment for waste heat recovery utilizes a range hood to extract smoke in the kitchen and discharges it through a smoke pipe, a heat exchange pipe and a smoke exhaust pipe. The smoke can pass through a heat exchange box through the heat exchange pipe, so that the waste heat in the smoke can be used to heat water inside the heat exchange box. At the same time, the operation of the drive motor can drive the connecting shaft to rotate, thereby driving the main gear to rotate. Under the meshing action of the main gear and the slave gear, the rotating shaft will be driven to rotate, thereby driving the stirring rod to rotate, making it convenient to stir the water inside the heat exchange box, so that the water inside the heat exchange box can be heated evenly, effectively improving the heat exchange efficiency, achieving the effect of efficient waste heat recovery, effectively reducing the waste of resources, being beneficial to energy conservation and environmental protection, and improving the practicability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a cross-sectional view of the structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the stirring mechanism of the utility model;

[0018] Figure 3 For this utility model Figure 2 A is a schematic diagram of the enlarged structure shown;

[0019] Figure 4 It is a structural stereogram of the stirring rod of the utility model.

[0020] In the figure: 1. wall; 2. range hood; 3. heat exchange box; 4. flue gas pipe; 5. heat exchange pipe; 6. exhaust pipe; 7. water inlet pipe; 8. drive motor; 9. sealing box; 10. connecting shaft; 11. main gear; 12. slave gear; 13. rotating shaft; 14. stirring rod; 15. water supply pipe; 16. water purifier; 17. bearing; 18. sealing ring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 In this embodiment, a kitchen device for waste heat recovery and utilization includes a range hood 2 fixedly mounted on a wall 1, a heat exchange box 3 fixedly mounted on the outer wall of the wall 1, a smoke pipe 4 fixedly connected between the heat exchange box 3 and the range hood 2, a heat exchange tube 5 fixedly mounted inside the heat exchange box 3, wherein the heat exchange tube 5 is a copper tube, one end of the heat exchange tube 5 is fixedly connected to the smoke pipe 4, and the end of the heat exchange tube 5 away from the smoke pipe 4 is fixedly connected to the smoke exhaust pipe 6.

[0023] It should be noted that a water inlet pipe 7 is fixedly installed on the upper side of the heat exchange box 3, and a water supply pipe 15 is fixedly installed on the lower side of the heat exchange box 3. At the same time, a water purifier 16 is fixedly installed on the outer wall of the wall 1, and the end of the water supply pipe 15 away from the heat exchange box 3 is fixedly connected to the input end of the water purifier 16. The water inlet pipe 7 is used to deliver water to the inside of the heat exchange box 3, and the heat exchange pipe 5 is used to transport the flue gas in the flue pipe 4 so that the flue gas can pass through the heat exchange box 3, thereby utilizing the waste heat in the flue gas to heat the water inside the heat exchange box 3, thereby playing a role in waste heat recovery. The hot water inside the heat exchange box 3 enters the water purifier 16 through the water supply pipe 15, thereby purifying the hot water for people to drink.

[0024] In this embodiment, a stirring mechanism is provided inside the heat exchange box 3, and the stirring mechanism includes a driving motor 8 and a sealing box 9, wherein the driving motor 8 is fixedly installed on the outer wall of the heat exchange box 3, and the sealing box 9 is fixedly installed inside the heat exchange box 3. A connecting shaft 10 is fixedly installed on the output shaft of the driving motor 8, and one end of the connecting shaft 10 away from the driving motor 8 extends to the inside of the sealing box 9, and the end of the connecting shaft 10 away from the driving motor 8 is transmission-connected with a rotating shaft 13, and the upper and lower ends of the rotating shaft 13 extend to the outside of the sealing box 9, and stirring rods 14 are fixedly connected to the outer walls of the upper and lower ends of the rotating shaft 13.

[0025] Among them, a main gear 11 is fixedly connected to the end of the connecting shaft 10 away from the driving motor 8, and a slave gear 12 is fixedly connected to the outer wall of the rotating shaft 13. The main gear 11 is meshed with the slave gear 12. The operation of the driving motor 8 can drive the connecting shaft 10 to rotate, thereby driving the main gear 11 to rotate. Under the meshing action of the main gear 11 and the slave gear 12, the rotating shaft 13 is driven to rotate, thereby driving the stirring rod 14 to rotate, which facilitates the stirring of the water inside the heat exchange box 3, enables the water inside the heat exchange box 3 to be evenly heated, and effectively improves the heat exchange efficiency.

[0026] It should be noted that a bearing 17 is fixedly mounted on the inner wall of the sealing box 9, and the inner ring of the bearing 17 is interference fit with the outer wall of the rotating shaft 13. The bearing 17 can provide rotational support for the rotating shaft 13, thereby improving the stability of the structure.

[0027] It should be noted that a sealing ring 18 is fixedly mounted on the outer wall of the sealing box 9 , and the inner wall of the sealing ring 18 is matched with the outer wall of the rotating shaft 13 . The sealing ring 18 can improve the sealing performance between the rotating shaft 13 and the sealing box 9 .

[0028] The working principle of the above embodiment is:

[0029] When the utility model is in use, the smoke in the kitchen is extracted by the range hood 2 and discharged through the smoke pipe 4, the heat exchange pipe 5 and the smoke exhaust pipe 6. The smoke can pass through the heat exchange box 3 through the heat exchange pipe 5, so that the waste heat in the smoke is used to heat the water inside the heat exchange box 3. At the same time, the operation of the drive motor 8 can drive the connecting shaft 10 to rotate, thereby driving the main gear 11 to rotate. Under the meshing action of the main gear 11 and the slave gear 12, the rotating shaft 13 is driven to rotate, thereby driving the stirring rod 14 to rotate, which facilitates the stirring of the water inside the heat exchange box 3, so that the water inside the heat exchange box 3 can be heated evenly, effectively improving the heat exchange efficiency, and achieving the effect of efficient waste heat recovery.

[0030] The installation method, connection method or setting method disclosed in this embodiment are all common mechanical methods, and they can be implemented as long as they can achieve their beneficial effects. In addition, the electrical components appearing in the text are all electrically connected to the main controller and the power supply. The main controller is a conventional known device, and there is an existing disclosed power connection technology. Therefore, the text will not go into too much detail on its specific structural composition and working principle.

[0031] It should be noted that in this article, the orientation or position relationship indicated is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be understood as a limitation on the present application.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A kitchen device for waste heat recovery, comprising a range hood (2) fixedly mounted on a wall (1), characterized in that: A heat exchange box (3) is fixedly mounted on the outer wall of the wall (1); a smoke pipe (4) is fixedly connected between the heat exchange box (3) and the range hood (2); a heat exchange pipe (5) is fixedly mounted inside the heat exchange box (3); and a stirring mechanism is provided inside the heat exchange box (3); The stirring mechanism comprises a driving motor (8) and a sealing box (9); a connecting shaft (10) is fixedly mounted on the output shaft of the driving motor (8); an end of the connecting shaft (10) away from the driving motor (8) extends to the inside of the sealing box (9); and an end of the connecting shaft (10) away from the driving motor (8) is drivingly connected to a rotating shaft (13); upper and lower ends of the rotating shaft (13) both extend to the outside of the sealing box (9); and stirring rods (14) are fixedly connected to the outer walls of the upper and lower ends of the rotating shaft (13).

2. The kitchen equipment for waste heat recovery according to claim 1, characterized in that: One end of the heat exchange tube (5) is fixedly connected to the smoke pipe (4), and one end of the heat exchange tube (5) away from the smoke pipe (4) is fixedly connected to a smoke exhaust pipe (6).

3. The kitchen equipment for waste heat recovery according to claim 1, characterized in that: A water inlet pipe (7) is fixedly installed on the upper side of the heat exchange box (3), and a water supply pipe (15) is fixedly installed on the lower side of the heat exchange box (3).

4. The kitchen equipment for waste heat recovery according to claim 3, characterized in that: A water purifier (16) is fixedly mounted on the outer wall of the wall (1), and one end of the water supply pipe (15) away from the heat exchange box (3) is fixedly connected to the input end of the water purifier (16).

5. The kitchen equipment for waste heat recovery according to claim 1, characterized in that: The driving motor (8) is fixedly mounted on the outer wall of the heat exchange box (3), and the sealing box (9) is fixedly mounted inside the heat exchange box (3).

6. The kitchen equipment for waste heat recovery according to claim 1, characterized in that: A main gear (11) is fixedly connected to one end of the connecting shaft (10) away from the driving motor (8), and a slave gear (12) is fixedly connected to the outer wall of the rotating shaft (13), and the main gear (11) is meshed with the slave gear (12).

7. The kitchen equipment for waste heat recovery according to claim 1, characterized in that: A bearing (17) is fixedly mounted on the inner wall of the sealing box (9), and the inner ring of the bearing (17) is interference-fitted with the outer wall of the rotating shaft (13).

8. The kitchen equipment for waste heat recovery according to claim 1, characterized in that: A sealing ring (18) is fixedly mounted on the outer wall of the sealing box (9), and the inner wall of the sealing ring (18) is matched with the outer wall of the rotating shaft (13).

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