Self-air-suction type steam cabinet water container not prone to scaling

Abstract

The utility model relates to the technical field of steam cabinet water containers, in particular to a self-air-suction type steam cabinet water container not prone to scaling, which comprises a water container shell, an auxiliary water tank, a water inlet, a water level probe, a pressure balance pipe, a furnace end assembly, a furnace end fire spraying opening, a fire pipe fire inlet, a fire pipe main body and a scale cleaning opening. A water inlet is formed in one side of the auxiliary water tank, a water level probe is arranged on the inner side of the auxiliary water tank, a pressure balance pipe is arranged on the other side of the auxiliary water tank, a furnace end assembly is arranged on the outer side of the water container shell, a furnace end fire spraying opening is formed in one side of the furnace end assembly, and a fire pipe fire inlet is formed in one side of the water container shell. A fire tube body is arranged in the water container shell, and a scale cleaning opening is formed in the top of the water container shell. According to the utility model, by optimizing and transforming the appearance, the fire tube is changed into the circular stretching tube, the heat efficiency is improved, the installation cost is reduced, the fire tube is not easy to scale, and in addition, the auxiliary water tank for balancing the pressure is additionally arranged, so that the dry burning condition is effectively avoided, and the steam quantity is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of steam cabinet water tanks, in particular to a self-suction air type steam cabinet water tank that is not easy to scale. Background Art

[0002] A steam cabinet, also known as a steam box or steam oven, is a kitchen appliance mainly used for steaming food. It generates steam by heating water and then uses this steam to cook food, enabling the food to retain its original nutritional components and flavor.

[0003] Most of the current self-suction air type steam cabinet water tanks adopt spliced fire tubes, which have low thermal efficiency and many welds, are prone to burning and cracking, and leaking water. Moreover, most of the fire tubes are square, with a small heating area, and are easy to scale, resulting in a reduction in thermal efficiency, a decrease in steam volume, and affecting the dish output speed and dish quality.

[0004] Therefore, aiming at the situation that the fire tubes of the existing self-suction air type steam cabinet water tanks are relatively easy to scale and have low thermal efficiency, a self-suction air type steam cabinet water tank that is not easy to scale can be designed. By optimizing and transforming the shape, the fire tubes are changed into circular drawn tubes, which can improve the thermal efficiency, reduce the installation cost, and make the fire tubes not easy to scale. In addition, a secondary water tank for balancing pressure is added to effectively avoid the occurrence of dry burning, ensure the steam volume, and enhance the practical value of the steam cabinet. Summary of the Utility Model

[0005] In order to overcome the problems of most self-suction air type steam cabinet water tanks, most of the fire tubes are square, with a small heating area, easy to scale, resulting in a reduction in thermal efficiency, a decrease in steam volume, and affecting the dish output speed and dish quality.

[0006] The technical solution of the utility model is: a self-suction air type steam cabinet water tank that is not easy to scale, including a water tank outer shell, a secondary water tank, a water inlet, a water level probe, a water inlet pipe, a pressure balance pipe, a burner assembly, a burner flame outlet, a fire tube inlet, a fire tube main body, a fire tube exhaust port, a scale cleaning port, and a drain port; a secondary water tank is arranged on one side of the water tank outer shell, a water inlet is opened on one side of the secondary water tank, a water level probe is arranged inside the secondary water tank, a water inlet pipe is arranged on the bottom surface of the secondary water tank, a pressure balance pipe is arranged on the other side of the secondary water tank, a burner assembly is arranged on the outer side of the water tank outer shell, a burner flame outlet is arranged on one side of the burner assembly, a fire tube inlet is opened on one side of the water tank outer shell, a fire tube main body is arranged inside the water tank outer shell, a fire tube exhaust port is opened on the other side of the water tank outer shell, a scale cleaning port is opened on the top of the water tank outer shell, and a drain port is opened on the bottom surface of the water tank outer shell.

[0007] Preferably, clean water is injected into the secondary water tank through the water inlet, and the clean water in the secondary water tank is conveyed to the water tank housing by the water inlet pipe. At the same time, the water level in the secondary water tank is detected in real time by the water level probe to avoid dry burning of the device. The pressure balance pipe is used to ensure normal water inlet of the water tank housing. The burner assembly is used for flame spraying operation. The burner flame nozzle sprays fire into the fire pipe inlet. The main body of the fire pipe is heated through the fire pipe inlet. Finally, the waste gas of the main body of the fire pipe is discharged through the fire pipe exhaust port. The main body of the fire pipe is used to heat the clean water inside the water tank housing to generate steam. In addition, the clean water inside the water tank housing is discharged through the drain port, and the scale inside the water tank housing is cleaned through the scale cleaning port, so as to improve the thermal efficiency, reduce the installation cost, and make the fire pipe not easy to scale, enhancing the practical value of the steaming cabinet.

[0008] Preferably, the water level probe is arranged on one side of the water inlet, and the water inlet is opened at the top of one side of the secondary water tank; clean water is injected into the secondary water tank through the water inlet, and the water level height in the secondary water tank is monitored in real time by the water level probe, so as to effectively avoid dry burning of the device and reduce the damage rate of the steaming cabinet.

[0009] Preferably, the other end of the water inlet pipe is connected to the inside of the water tank housing in a through manner, and the pressure balance pipe is also connected to the inside of the water tank housing in a through manner; the liquid in the secondary water tank is conveyed through the water inlet pipe, and the clean water in the secondary water tank is conveyed into the water tank housing. The pressure balance pipe is used to ensure the pressure balance between the secondary water tank and the water tank housing, avoid the inability of clean water to enter due to too high internal pressure of the water tank housing, resulting in a decrease in the amount of steam, and ensure uniform steaming of dishes.

[0010] Preferably, the burner assembly includes a burner support, an air inlet hole, an air regulating plate and a premixing pipe; the burner support is arranged on the outside of the water tank housing, the air inlet hole is opened on one side of the burner support, the air regulating plate is arranged on one side of the burner support, and the premixing pipe is arranged on one side of the air regulating plate; the burner is fixedly supported by the burner support, gas is injected through the air inlet hole, the gas intake of the air inlet hole is adjusted by the air regulating plate, and the gas is burned by the premixing pipe.

[0011] Preferably, multiple groups of burner supports are arranged, the air regulating plate is arranged on one side of the air inlet hole, and the air inlet hole is in through connection with the premixing pipe; the burner is stably fixed on the outside of the water tank housing by the burner support, gas is injected into the premixing pipe through the air inlet hole, and the gas intake of the air inlet hole is controlled by adjusting the air regulating plate according to actual use requirements.

[0012] Preferably, one end of the premixing pipe is provided with a burner flame nozzle, the premixing pipe is in through connection with the burner flame nozzle, multiple groups of fire pipe inlets are opened, and the positions of the burner flame nozzle and the fire pipe inlets correspond to each other and are in through connection; the gas is ignited by the premixing pipe, and the flame is sprayed to the fire pipe inlets through the burner flame nozzle.

[0013] Preferably, multiple groups of fire tube bodies are provided. One end of the fire tube body is connected to the fire tube inlet in a through manner, and multiple groups of fire tube exhaust ports are provided. The other end of the fire tube body is connected to the fire tube exhaust port in a through manner. The fire tube body is a stretched circular fire tube, and the fire tube body is fixed in an S shape inside the water tank shell; the heat of the flame ejected from the fire tube inlet is transmitted to the inside of the water tank shell through the fire tube body, so as to uniformly heat the liquid inside the water tank shell, ensuring the thermal efficiency. Moreover, the fire tube body has few welding surfaces and is not easily damaged. The flue gas generated by the fire tube body is discharged through the fire tube exhaust port.

[0014] The beneficial effects of the present utility model:

[0015] 1. Compared with the traditional self-aspirating steam cabinet water tank, most of which use spliced fire tubes, the thermal efficiency is low, there are many welds, it is easy to burn and crack, leak water, and most of the fire tubes are square, with a small heating area, easy to scale, resulting in a reduction in thermal efficiency, a decrease in steam volume, affecting the dish output speed and dish quality. By optimizing and transforming the shape, the fire tube is changed to a circular stretched tube, improving the thermal efficiency, reducing the installation cost, and making the fire tube not easy to scale. In addition, adding an auxiliary water tank for balancing pressure effectively avoids dry burning and ensures the steam volume;

[0016] 2. During the steaming operation, the flame is ejected from the burner nozzle of the furnace head into the fire tube inlet, so as to use the fire tube body to transfer the flame heat, and the flue gas of the fire tube body is discharged through the fire tube exhaust port. The fire tube body is used to uniformly heat the clear water in the water tank shell, and the generated water vapor is used for the steaming operation, so as to solve the problems that the fire tubes of most self-aspirating steam cabinet water tanks are relatively easy to scale and have low thermal efficiency, effectively enhancing the practical value of the steam cabinet;

[0017] 3. Before the steaming operation, clear water is injected into the auxiliary water tank through the water inlet, and the clear water in the auxiliary water tank is injected into the water tank shell through the water inlet pipe. At the same time, the water pressure balance between the auxiliary water tank and the water tank shell is ensured through the pressure balance pipe, and the water level in the auxiliary water tank is monitored in real time by the water level probe. After the steaming operation, the remaining clear water in the water tank shell is discharged by opening the drain port, and then the scale generated in the water tank shell is cleaned through the scale cleaning port. Description of the Drawings

[0018] Figure 1 Shown is a three-dimensional structural schematic diagram of a self-aspirating steam cabinet water tank with low scaling tendency of the present utility model;

[0019] Figure 2 Shown is a three-dimensional structural schematic diagram of the auxiliary water tank of a self-aspirating steam cabinet water tank with low scaling tendency of the present utility model;

[0020] Figure 3 Shown is a three-dimensional structural schematic diagram of the furnace head assembly of a self-aspirating steam cabinet water tank with low scaling tendency of the present utility model;

[0021] Figure 4 The figure shows a three-dimensional schematic structure diagram of the fire tube main body of a self-priming air draft type steaming cabinet water tank that is not prone to scale formation according to the present utility model.

[0022] Explanation of reference numerals: 1. Water tank outer shell; 2. Auxiliary water tank; 201. Water inlet; 202. Water level probe; 203. Water inlet pipe; 204. Pressure balance pipe; 301. Burner support; 302. Air inlet hole; 303. Air regulating plate; 304. Premixing pipe; 401. Burner flame outlet; 402. Fire tube fire inlet; 403. Fire tube main body; 404. Fire tube smoke exhaust port; 5. Scale cleaning port; 501. Drain port. Specific implementation mode

[0023] The present utility model will be further described below with reference to the drawings and embodiments.

[0024] Please refer to Figures 1 - 4 , the present utility model provides an embodiment: a self-priming air draft type steaming cabinet water tank that is not prone to scale formation, including a water tank outer shell 1, an auxiliary water tank 2, a water inlet 201, a water level probe 202, a water inlet pipe 203, a pressure balance pipe 204, a burner assembly, a burner flame outlet 401, a fire tube fire inlet 402, a fire tube main body 403, a fire tube smoke exhaust port 404, a scale cleaning port 5 and a drain port 501; an auxiliary water tank 2 is arranged on one side of the water tank outer shell 1, a water inlet 201 is opened on one side of the auxiliary water tank 2, a water level probe 202 is arranged inside the auxiliary water tank 2, a water inlet pipe 203 is arranged on the bottom surface of the auxiliary water tank 2, a pressure balance pipe 204 is arranged on the other side of the auxiliary water tank 2, a burner assembly is arranged on the outer side of the water tank outer shell 1, a burner flame outlet 401 is arranged on one side of the burner assembly, a fire tube fire inlet 402 is opened on one side of the water tank outer shell 1, a fire tube main body 403 is arranged inside the water tank outer shell 1, a fire tube smoke exhaust port 404 is opened on the other side of the water tank outer shell 1, a scale cleaning port 5 is opened on the top of the water tank outer shell 1, and a drain port 501 is opened on the bottom surface of the water tank outer shell 1.

[0025] Please refer to Figure 2 , in this embodiment, the water level probe 202 is arranged on one side of the water inlet 201, the water inlet 201 is opened at the top of one side of the auxiliary water tank 2, clear water is injected into the auxiliary water tank 2 through the water inlet 201, and the water level height in the auxiliary water tank 2 is monitored in real time by using the water level probe 202, so as to effectively avoid dry burning of the device and reduce the damage rate of the steaming cabinet; the other end of the water inlet pipe 203 is connected to the inside of the water tank outer shell 1 in a penetrating manner, and the pressure balance pipe 204 is also connected to the inside of the water tank outer shell 1 in a penetrating manner. The liquid in the auxiliary water tank 2 is transported through the water inlet pipe 203, and the clear water in the auxiliary water tank 2 is transported into the water tank outer shell 1. The pressure balance between the auxiliary water tank 2 and the inside of the water tank outer shell 1 is ensured by using the pressure balance pipe 204, so as to avoid the situation that the clear water cannot enter due to too high internal pressure of the water tank outer shell 1, resulting in a decrease in the amount of steam and ensuring uniform steaming of the dishes.

[0026] Please refer to Figures 3 - 4 In this embodiment, the burner assembly includes a burner bracket 301, an air inlet hole 302, an air regulating plate 303, and a premixing pipe 304. A burner bracket 301 is provided on the outer side of the water tank housing 1. An air inlet hole 302 is formed on one side of the burner bracket 301. An air regulating plate 303 is provided on one side of the burner bracket 301. A premixing pipe 304 is provided on one side of the air regulating plate 303. The burner is fixedly supported by the burner bracket 301. Gas is injected through the air inlet hole 302. The gas intake of the air inlet hole 302 is adjusted by the air regulating plate 303. The gas is burned by the premixing pipe 304. Multiple groups of burner brackets 301 are provided. The air regulating plate 303 is provided on one side of the air inlet hole 302. The air inlet hole 302 and the premixing pipe 304 communicate with each other. The burner is stably fixed on the outer side of the water tank housing 1 through the burner bracket 301. Gas is injected into the premixing pipe 304 through the air inlet hole 302. The air regulating plate 303 is adjusted to control the gas intake of the air inlet hole 302 according to actual usage requirements.

[0027] One end of the premixing pipe 304 is provided with a burner flame outlet 401. The premixing pipe 304 and the burner flame outlet 401 are connected in a communicating manner. Multiple groups of fire tube inlet openings 402 are formed. The burner flame outlet 401 and the fire tube inlet openings 402 are in corresponding positions and communicate with each other. The gas is ignited by the premixing pipe 304, and the flame is sprayed from the burner flame outlet 401 to the fire tube inlet openings 402. Multiple groups of fire tube bodies 403 are provided. One end of the fire tube body 403 is connected in a communicating manner with the fire tube inlet openings 402. Multiple groups of fire tube exhaust openings 404 are formed. The other end of the fire tube body 403 is connected in a communicating manner with the fire tube exhaust openings 404. The fire tube body 403 is a stretched circular fire tube. The fire tube body 403 is fixed in an S shape inside the water tank housing 1. The heat of the flame sprayed from the fire tube inlet openings 402 is transmitted to the inside of the water tank housing 1 through the fire tube body 403, so as to uniformly heat the liquid inside the water tank housing 1, ensuring the thermal efficiency. Moreover, the welding surface of the fire tube body 403 is small and it is not easily damaged. The flue gas generated by the fire tube body 403 is discharged through the fire tube exhaust openings 404.

[0028] Before the steaming operation, clear water is injected into the secondary water tank 2 through the water inlet 201. The clear water in the secondary water tank 2 is injected into the water tank housing 1 through the water inlet pipe 203. At the same time, the water pressure balance between the secondary water tank 2 and the water tank housing 1 is ensured through the pressure balance pipe 204. The water level in the secondary water tank 2 is monitored in real time by the water level probe 202.

[0029] During the steaming operation, the burner is fixed by the burner support 301. Gas is injected into the premixing pipe 304 through the air inlet 302. The air deflector 303 is used to adjust the gas intake volume of the air inlet 302. Subsequently, the gas is burned through the premixing pipe 304, and the flame is sprayed into the fire pipe inlet 402 from the burner spout 401 of the burner, so as to transfer the heat of the flame through the fire pipe main body 403. At the same time, the flue gas of the fire pipe main body 403 is discharged through the fire pipe smoke outlet 404, and the clear water in the water tank shell 1 is evenly heated by the fire pipe main body 403, so as to generate steam for steaming operation;

[0030] After the steaming operation is completed, the drain port 501 is opened to drain the remaining clear water in the water tank shell 1, and then the scale generated in the water tank shell 1 is cleaned through the scale cleaning port 5.

[0031] Through the above steps, clear water is injected into the auxiliary water tank 2 by setting the water inlet 201, and the clear water in the auxiliary water tank 2 is transported to the water tank shell 1 by the water inlet pipe 203. At the same time, the water level in the auxiliary water tank 2 is detected in real time by the water level probe 202 to avoid dry burning of the device. The pressure balance pipe 204 is used to ensure the normal water intake of the water tank shell 1. The burner assembly is used for flame spraying operation, and the burner spout 401 is used to spray flame into the fire pipe inlet 402. The fire pipe main body 403 is heated through the fire pipe inlet 402. Finally, the waste gas of the fire pipe main body 403 is discharged through the fire pipe smoke outlet 404, and the clear water inside the water tank shell 1 is heated by the fire pipe main body 403 to generate steam. In addition, the clear water inside the water tank shell 1 is discharged through the drain port 501, and the scale inside the water tank shell 1 is cleaned by the scale cleaning port 5.

[0032] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those skilled in the art.

Claims

1. A self-priming steam cabinet water tank which is not easy to scale, comprising a water tank shell (1); characterized in that: The water tank (1) further comprises an auxiliary water tank (2), a water inlet (201), a water level probe (202), a water inlet pipe (203), a pressure balance pipe (204), a burner head assembly, a burner head flame outlet (401), a fire tube flame inlet (402), a fire tube body (403), a fire tube smoke exhaust port (404), a scale cleaning port (5) and a drain port (501); an auxiliary water tank (2) is arranged on one side of the water tank shell (1), a water inlet (201) is provided on one side of the auxiliary water tank (2), a water level probe (202) is arranged on the inner side of the auxiliary water tank (2), and a pressure balance pipe (204) is arranged on the bottom surface of the auxiliary water tank (2). A water inlet pipe (203) is arranged, a pressure balance pipe (204) is arranged on the other side of the auxiliary water tank (2), a burner head assembly is arranged on the outside of the water liner shell (1), a burner head flame outlet (401) is arranged on one side of the burner head assembly, a fire pipe fire inlet (402) is arranged on one side of the water liner shell (1), a fire pipe body (403) is arranged inside the water liner shell (1), a fire pipe smoke exhaust port (404) is arranged on the other side of the water liner shell (1), a scale cleaning port (5) is arranged on the top of the water liner shell (1), and a drainage port (501) is arranged on the bottom of the water liner shell (1).

2. The self-priming steam cabinet water container that is not easy to scale according to claim 1 is characterized by: The water level probe (202) is arranged on one side of the water inlet (201), and the water inlet (201) is opened on the top of one side of the auxiliary water tank (2).

3. The self-aspirating steam cabinet water container that is not prone to scaling according to claim 1, characterized in that: The other end of the water inlet pipe (203) is interconnected with the interior of the water bladder shell (1), and the pressure balance pipe (204) is also interconnected with the interior of the water bladder shell (1).

4. The self-priming steam cabinet water container that is not prone to scaling according to claim 1, characterized in that: The burner head assembly comprises a burner head support (301), an air inlet (302), an air regulating plate (303) and a premixing tube (304); the burner head support (301) is arranged on the outer side of the water tank shell (1); one side of the burner head support (301) is opened at the air inlet (302); one side of the burner head support (301) is provided with an air regulating plate (303); and one side of the air regulating plate (303) is provided with a premixing tube (304).

5. The self-priming steam cabinet water container that is not easy to scale according to claim 4, characterized in that: The furnace head bracket (301) is provided with multiple groups, and the air regulating plate (303) is provided on one side of the air inlet (302), and the air inlet (302) and the premixing pipe (304) are interconnected.

6. The self-aspirating steam cabinet water container that is not prone to scaling according to claim 5, characterized in that: A burner head flame outlet (401) is provided at one end of the premixing tube (304), the premixing tube (304) and the burner head flame outlet (401) are interconnected, a plurality of groups of fire tube inlets (402) are provided, the burner head flame outlet (401) and the fire tube inlets (402) are located in corresponding positions and are interconnected.

7. The self-aspirating steam cabinet water container that is not prone to scaling according to claim 6, characterized in that: The fire tube body (403) is provided with multiple groups, one end of the fire tube body (403) is interconnected with the fire tube fire inlet (402), multiple groups of fire tube smoke exhaust ports (404) are provided, the other end of the fire tube body (403) is interconnected with the fire tube smoke exhaust ports (404), the fire tube body (403) is a stretched circular fire tube, and the fire tube body (403) is S-shaped and fixed inside the water bladder shell (1).

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