Dish washing machine with air heat energy recovery device

Abstract

The utility model discloses a dish-washing machine with an air heat energy recovery device. The dish-washing machine comprises a rack, a main washing water tank, a main washing spraying arm, a high-temperature water tank, a rinsing spraying arm, a protective cover and a heat energy exchange pipe, a condensation cavity penetrating up and down is formed in a protective cover, and the condensation cavity is located over a workbench; a water inlet communicated with the outside is formed in the input end of the heat energy exchange pipe, and the output end of the heat energy exchange pipe is communicated with the input end of the high-temperature water tank; after high-temperature steam enters the condensation cavity, cold water entering the heat energy exchange pipe from the outside exchanges heat with the high-temperature steam, the temperature of the high-temperature steam can be neutralized, the steam is condensed, and the temperature and humidity of the discharged steam are effectively reduced; the working environment of an operator is effectively improved; and cold water in the heat energy exchange pipe can be heated through heat of high-temperature steam, and waste of steam heat is avoided.

Description

Technical Field

[0001] This utility model relates to the field of dishwashers, and in particular to a dishwasher with an air heat recovery device. Background Technology

[0002] A dishwasher is a device that automatically cleans tableware such as bowls, chopsticks, plates, dishes, knives, and forks. Fully automatic dishwashers on the market can be divided into two categories: household and commercial. Household fully automatic dishwashers are only suitable for home use and mainly include cabinet-style, countertop-style, sink-integrated, and combined models. Commercial dishwashers can be classified into five main categories according to their structure: cabinet-style, hood-style, basket-type, belt-type, and ultrasonic. They reduce the labor intensity of kitchen staff in restaurants, hotels, and government canteens, improve work efficiency, and enhance hygiene.

[0003] Dishwashers require high-temperature water for rinsing during the washing process to ensure effective cleaning. This high-temperature washing generates a large amount of hot steam. Current dishwashers directly expel this steam outside, wasting heat and increasing the ambient temperature and humidity, creating a harsh working environment for the operator. Therefore, it is necessary to further improve the existing dishwasher structure. Utility Model Content

[0004] In view of this, the present invention addresses the deficiencies of the existing technology and its main objective is to provide a dishwasher with an air heat recovery device, which can effectively solve the problems of heat waste, increased external temperature and humidity, and harsh working environment for operators caused by existing dishwashers.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A dishwasher with an air heat recovery device includes a frame, a main wash water tank, a main wash spray arm, a high-temperature water tank, a rinse spray arm, a protective cover, and a heat exchange pipe. The frame has a worktable, and a condensation chamber is provided on the frame, located above the worktable. The main wash water tank is mounted on the frame and located below the worktable. The main wash spray arm is mounted on the frame and located directly above the worktable, with its input end connected to the output end of the main wash water tank. The high-temperature water tank is mounted on the frame. The rinse spray arm is mounted on the frame and located directly above the worktable, with its input end connected to the output end of the high-temperature water tank. The protective cover is slidably mounted on the frame and covers the worktable, the main wash spray arm, and the rinse spray arm. The heat exchange pipe is located in the condensation chamber, with its input end having a water inlet connected to the outside, and its output end connected to the input end of the high-temperature water tank.

[0007] As a preferred option, a first heating element is installed inside the main washing water tank.

[0008] As a preferred option, there are two main wash spray arms, with the other main wash spray arm located below the worktable.

[0009] As a preferred embodiment, the high-temperature water tank has a second heating element, and the output end of the high-temperature water tank is connected to the rinsing spray arm via a high-temperature water pump.

[0010] As a preferred option, the outer wall of the high-temperature water tank is covered with an insulation layer.

[0011] As a preferred option, the rinsing spray arms are arranged in pairs, with the other rinsing spray arm located below the worktable.

[0012] As a preferred option, a handle is provided on the front arm of the protective cover.

[0013] As a preferred option, the lower end of the main washing tank is provided with a drain outlet that connects to the inside of the main washing tank.

[0014] As a preferred option, a row of fans is provided on the rack, and the exhaust fans are located at the upper opening of the condensation chamber.

[0015] As a preferred option, the protective cover is equipped with a controller, and the main wash water tank, main wash spray arm, high temperature water tank, rinsing spray arm and heat exchange pipe are all connected to the controller.

[0016] Compared with the prior art, this utility model has obvious advantages and beneficial effects. Specifically, as can be seen from the above technical solution:

[0017] A condensing chamber is installed on the frame above the workbench. A heat exchange tube is installed in the condensing chamber, with its inlet connected to an external water inlet and its outlet connected to the inlet of a high-temperature water tank. This allows high-temperature steam to enter the condensing chamber and exchange heat with cold water entering the heat exchange tube from the outside. This process not only neutralizes the temperature of the high-temperature steam and condenses it, effectively reducing the temperature and humidity of the discharged steam, but also improves the operator's working environment. Furthermore, the heat from the high-temperature steam can heat the cold water in the heat exchange tube, preventing the waste of steam heat.

[0018] To more clearly illustrate the structural features and effects of this utility model, the following detailed description of this utility model is provided in conjunction with the accompanying drawings and specific embodiments. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the internal structure of a preferred embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of a preferred embodiment of the present invention from another angle.

[0021] Explanation of reference numerals in the attached diagram:

[0022] 10. Frame 101, Condensation Chamber

[0023] 11. Workbench

[0024] 13. Exhaust fan; 20. Main wash water tank

[0025] 21. First heating element; 22. Drain outlet

[0026] 30. Main wash spray arm; 40. High-temperature water tank

[0027] 41. Second heating element; 42. High-temperature water pump

[0028] 43. Insulation layer; 50. Rinse spray arm

[0029] 60. Protective cover; 61. Handle

[0030] 62. Controller

[0031] 70. Heat exchange pipe; 71. Water inlet. Detailed Implementation

[0032] Please refer to Figures 1 to 2 As shown, it illustrates the specific structure of a preferred embodiment of the present invention, including a frame 10, a main wash water tank 20, a main wash spray arm 30, a high-temperature water tank 40, a rinsing spray arm 50, a protective cover 60, and a heat exchange pipe 70.

[0033] The rack 10 has a workbench 11, which is used to place the dishes to be washed during the dishwashing process. A condensation chamber 101 is provided on the rack 10, and the condensation chamber 101 is located above the workbench 11. In this embodiment, an exhaust fan 13 is provided on the rack, and the exhaust fan 13 is located at the upper opening of the condensation chamber 101. The exhaust fan 13 is used to draw the steam generated during the dishwashing process into the condensation chamber 101 and discharge the steam after the temperature is neutralized.

[0034] The main wash water tank 20 is mounted on the frame 10 and located below the workbench 11. In this embodiment, a first heating element 21 is installed inside the main wash water tank 20 to heat the washing water in the main wash water tank 20. A drain outlet 22 is provided at the lower end of the main wash water tank 20, which communicates with the interior of the main wash water tank 20 and is used to discharge the wastewater that has been recycled in the main wash water tank 20.

[0035] The main washing spray arm 30 is mounted on the frame 10 and located directly above the worktable 11. The input end of the main washing spray arm 30 is connected to the output end of the main washing water tank 20. The main washing water tank 20 sends water from its contents into the main washing spray arm 30 via an external high-temperature water pump to complete the washing process. In this embodiment, two main washing spray arms 30 are provided, with the other main washing spray arm 30 located below the worktable 11, allowing it to clean the dishes on the worktable 11 from both above and below, ensuring both washing efficiency and quality.

[0036] The high-temperature water tank 40 is mounted on the frame 10. The high-temperature water tank 40 is used to heat the washing water inside, thereby achieving a high-temperature spray washing process. In this embodiment, the high-temperature water tank 40 has a second heating element 41, which heats the water in the high-temperature water tank 40 to above 82-90°C, thus ensuring the washing effect. The outer wall of the high-temperature water tank 40 is covered with a heat insulation layer 43. The heat insulation layer 43 not only keeps the washing water inside the high-temperature water tank 40 warm but also prevents the internal temperature of the high-temperature water tank 40 from escaping and affecting the external temperature.

[0037] The rinsing spray arm 50 is mounted on the frame 10 and located directly above the workbench 11. The input end of the rinsing spray arm 50 is connected to the output end of the high-temperature water tank 40. In this embodiment, the output end of the high-temperature water tank 40 is connected to the rinsing spray arm 60 via a high-temperature water pump 42. Two rinsing spray arms 50 are provided, with the other rinsing spray arm 50 located below the workbench 11, allowing the rinsing process to be completed from both above and below, ensuring the cleaning effect and quality.

[0038] The protective cover 60 is slidably mounted on the frame 10, covering the workbench 11, the main wash spray arm 30, and the outer side of the rinsing spray arm 50. During high-temperature cleaning, the downward sliding of the protective cover 60 covers the cleaning process, preventing the high-temperature washing water and generated heat from leaking out. The high-temperature water vapor generated during the high-temperature spraying process all enters the condensation chamber 101 upwards. In this embodiment, a handle 61 is provided on the front arm of the protective cover 60, allowing the operator to slide the protective cover 60 up and down. A controller 62 is provided on the protective cover 60, and the main wash water tank 20, main wash spray arm 30, high-temperature water tank 40, rinsing spray arm 50, and heat exchange pipe 70 are all connected to the controller 62.

[0039] The heat exchange tube 70 is installed in the condensation chamber 601. The input end of the heat exchange tube 70 has a water inlet 71 that communicates with the outside. The output end of the heat exchange tube 70 is connected to the input end of the high-temperature water tank 40. This allows the cold water in the heat exchange tube 70 to be heated to a certain temperature by contacting the high-temperature water vapor before being sent to the high-temperature water tank 40 for further heating. This not only reduces the heating power of the high-temperature water tank 40 but also effectively reduces the heating time, thus improving the overall efficiency of dishwashing.

[0040] The key design feature of this invention is a vertically penetrating condensation chamber within a protective cover, located directly above the workbench. A heat exchange tube is installed within this condensation chamber, with its input end connected to an external water inlet and its output end connected to the input end of a high-temperature water tank. This allows high-temperature steam to enter the condensation chamber, where it undergoes heat exchange with cold water entering the heat exchange tube. This process not only neutralizes the temperature of the high-temperature steam and condenses it, effectively reducing the temperature and humidity of the discharged steam, thus improving the operator's working environment, but also heats the cold water in the heat exchange tube using the heat from the high-temperature steam, preventing the waste of steam heat.

[0041] The above description is merely a preferred embodiment of the present utility model and does not constitute any limitation on the technical scope of the present utility model. Therefore, any minor modifications, equivalent changes and alterations made to the above embodiments based on the technical essence of the present utility model shall still fall within the scope of the technical solution of the present utility model.

Claims

1. A dishwasher with an air heat recovery device, characterized in that: The system includes a frame, a main wash water tank, a main wash spray arm, a high-temperature water tank, a rinsing spray arm, a protective cover, and a heat exchange pipe. The frame has a worktable, and a condensation chamber is provided on the frame, located above the worktable. The main wash water tank is mounted on the frame and located below the worktable. The main wash spray arm is mounted on the frame and located directly above the worktable, with its input end connected to the output end of the main wash water tank. The high-temperature water tank is mounted on the frame. The rinsing spray arm is mounted on the frame and located directly above the worktable, with its input end connected to the output end of the high-temperature water tank. The protective cover is slidably mounted on the frame and covers the worktable, the main wash spray arm, and the rinsing spray arm. The heat exchange pipe is located in the condensation chamber, with its input end having an inlet connected to the outside, and its output end connected to the input end of the high-temperature water tank.

2. The dishwasher with an air heat recovery device according to claim 1, characterized in that: The main washing water tank is equipped with a first heating element.

3. The dishwasher with an air heat recovery device according to claim 1, characterized in that: There are two main wash spray arms, with the other main wash spray arm located below the worktable.

4. The dishwasher with an air heat recovery device according to claim 1, characterized in that: The high-temperature water tank has a second heating element, and the output end of the high-temperature water tank is connected to the rinsing spray arm through a high-temperature water pump.

5. The dishwasher with an air heat recovery device according to claim 1, characterized in that: The outer wall of the high-temperature water tank is covered with an insulation layer.

6. The dishwasher with an air heat recovery device according to claim 1, characterized in that: The rinsing spray arms are configured in pairs, with the other rinsing spray arm located below the worktable.

7. The dishwasher with an air heat recovery device according to claim 1, characterized in that: A handle is provided on the front arm of the protective cover.

8. The dishwasher with an air heat recovery device according to claim 1, characterized in that: The lower end of the main wash tank is provided with a drain outlet that connects to the inside of the main wash tank.

9. The dishwasher with an air heat recovery device according to claim 1, characterized in that: A row of fans is installed on the frame, and the exhaust fans are located at the upper opening of the condensation chamber.

10. The dishwasher with an air heat recovery device according to claim 1, characterized in that: A controller is installed on the protective cover, and the main wash water tank, main wash spray arm, high temperature water tank, rinsing spray arm and heat exchange pipe are all connected to the controller.

Images