Normal-pressure high-heat low-humidity steam engine

Abstract

The utility model relates to the technical field of steam engines, in particular to a normal-pressure high-heat low-humidity steam engine which comprises a burner, a steam water tank, a heating inner container arranged in the steam water tank and a steam outlet communicated with the steam water tank. The fire accumulation enhancing area comprises a plurality of fire accumulation enhancing pipes, the end, close to the combustor, of each fire accumulation enhancing pipe is closed, the end, away from the combustor, of each fire accumulation enhancing pipe is communicated with the steam water tank, the heat exchange convection area comprises a plurality of heat exchange convection pipes, and the two ends of each heat exchange convection pipe are communicated with the steam water tank respectively; the steam generator is higher in heat efficiency, higher in steam heat generated in unit time, lower in energy consumption on the premise that the same steam heat is generated, capable of avoiding the situation that water is sprayed out along with the steam before being heated completely, higher in temperature of the generated steam and capable of being better suitable for various application scenes.

Description

Technical Field:

[0001] The utility model relates to the technical field of steam engines, in particular to an atmospheric-pressure high-temperature and low-humidity steam engine. Background Art:

[0002] A steam engine is a mechanical device that uses the heat energy of fuel or other energy sources to heat water into steam, and is widely used in many fields, and has good development prospects in fields such as hotels, canteens, and even home cooking.

[0003] The main components of a steam engine include a burner, a steam water tank, a heating inner tank disposed in the steam water tank, and a steam outlet communicated with the steam water tank. The heating inner tank is heated by the burner, and then exchanges heat with the water in the steam water tank to generate the required steam. In the prior art, such as the Chinese utility model patent with the application number CN202020944750.5, it discloses an integrated biodiesel steam generator, in which the heating inner tank exchanges heat with the water in the steam water tank through a plurality of heat exchange convection tubes to generate the required steam; in order to further improve the thermal efficiency, avoid the situation that some water is ejected with the steam before being completely heated, increase the temperature of the generated steam, and better meet the development trend of steam engines, there is an urgent need for an atmospheric-pressure high-temperature and low-humidity steam engine with higher thermal efficiency, which can avoid the situation that water is ejected with the steam before being completely heated, and the temperature of the generated steam is higher. Summary of the Utility Model:

[0004] The purpose of the utility model is to provide an atmospheric-pressure high-temperature and low-humidity steam engine aiming at the deficiencies of the existing technology, which has higher thermal efficiency, higher steam heat generated per unit time, lower energy consumption under the premise of generating the same steam heat, can avoid the situation that water is ejected with the steam before being completely heated, has a higher temperature of the generated steam, and can be better applied to various application scenarios.

[0005] In order to achieve the above purpose, the technical scheme adopted by the utility model is: an atmospheric-pressure high-temperature and low-humidity steam engine, including a burner, a steam water tank, a heating inner tank disposed in the steam water tank, and a steam outlet communicated with the steam water tank. The heating inner tank includes a fire product enhancement area and a heat exchange convection area. The fire product enhancement area is located directly above the burner. The fire product enhancement area includes a plurality of fire product enhancement tubes. One end of each fire product enhancement tube close to the burner is closed, and the other end of each fire product enhancement tube away from the burner is communicated with the steam water tank. The heat exchange convection area includes a plurality of heat exchange convection tubes. Both ends of each heat exchange convection tube are respectively communicated with the steam water tank.

[0006] Further improvement of the above scheme is that the fire product enhancement tubes and the heat exchange convection tubes of the heating inner tank are of an integrated structure.

[0007] A further improvement to the above solution is that the heating inner tank is made of stainless steel material.

[0008] A further improvement to the above solution is that the diameter of the exergy enhancement tube is 4.5 - 5 mm.

[0009] A further improvement to the above solution is that the exergy enhancement region includes a central exergy tube and a plurality of surrounding exergy tubes. The central exergy tube is located at the central position of the exergy enhancement region, and each surrounding exergy tube is uniformly arranged around the central exergy tube in the circumferential direction.

[0010] A further improvement to the above solution is that the utility model further includes a water filling port for filling water into the steam water tank and a primary pre - heating water tank covering the burner. The primary pre - heating water tank is arranged between the water filling port and the steam water tank.

[0011] A further improvement to the above solution is that the utility model further includes a secondary pre - heating water tank. The heating inner tank further includes an exhaust part for discharging combustion exhaust gas. The secondary pre - heating water tank is arranged between the primary pre - heating water tank and the steam water tank, and the secondary pre - heating water tank is arranged close to one side of the exhaust part.

[0012] A further improvement to the above solution is that the utility model further includes an exhaust pipe for discharging combustion exhaust gas. The exhaust pipe is communicated with the exhaust part, and the exhaust pipe is located in the steam water tank.

[0013] A further improvement to the above solution is that the exhaust pipe is arranged in a spiral shape in the steam water tank.

[0014] A further improvement to the above solution is that the burner includes a combustion main body, a combustion outer shell covering the periphery of the combustion main body, and a flame - stabilizing sheet arranged on the top of the combustion outer shell. The outer periphery of the flame - stabilizing sheet is fitted with the inner periphery of the combustion outer shell, and a plurality of oxygen - supplementing holes are formed on the flame - stabilizing sheet.

[0015] The beneficial effects of the utility model are as follows: The atmospheric - pressure high - heat and low - humidity steam engine provided by the utility model includes a burner, a steam water tank, a heating inner tank arranged in the steam water tank, and a steam outlet communicated with the steam water tank. The heating inner tank includes an exergy enhancement region and a heat - exchange convection region. The exergy enhancement region is located directly above the burner. The exergy enhancement region includes a plurality of exergy enhancement tubes. One end of each exergy enhancement tube close to the burner is closed, and one end of each exergy enhancement tube far from the burner is communicated with the steam water tank. The heat - exchange convection region includes a plurality of heat - exchange convection tubes. Both ends of each heat - exchange convection tube are respectively communicated with the steam water tank.

[0016] Compared with existing traditional steam engines in the past, the heating inner tank of the present utility model newly adds a fire product enhancement area. By directly spraying flames on the fire product enhancement pipe through a burner, the heat absorption area of the heating inner tank can be increased and the fire product can be improved. Thus, the water in the steam water tank can be heat-exchanged and the required steam can be generated with higher efficiency. The present utility model has a higher thermal efficiency, higher steam heat generated per unit time, lower energy consumption under the premise of generating the same steam heat, can avoid the situation that water is ejected with steam before being completely heated, and the temperature of the generated steam is higher, which can better be applied to various application scenarios. Brief Description of the Drawings:

[0017] Figure 1 It is a schematic structural diagram of the present utility model.

[0018] Figure 2 It is a schematic structural diagram of the heating inner tank of the present utility model.

[0019] Figure 3 It is a schematic structural diagram of the burner of the present utility model.

[0020] Description of the reference numerals: Burner 1, Combustion main body 11, Combustion outer shell 12, Flame stabilizing piece 13, Oxygen supply hole 14, Steam water tank 2, Heating inner tank 3, Fire product enhancement area 31, Fire product enhancement pipe 311, Central fire product pipe 3111, Surrounding fire product pipe 3112, Heat exchange convection area 32, Heat exchange convection pipe 321, Exhaust part 33, Steam outlet 4, Water filling port 5, Primary preheating water tank 6, Exhaust pipe 7, Secondary preheating water tank 8. Specific Embodiments:

[0021] The following further describes the present utility model in conjunction with the drawings, as Figures 1-3As shown in the figure, the utility model includes a burner 1, a steam water tank 2, a heating inner tank 3 disposed in the steam water tank 2, and a steam outlet 4 communicated with the steam water tank 2. The heating inner tank 3 includes a fire product enhancement area 31 and a heat exchange convection area 32. The fire product enhancement area 31 is located directly above the burner 1. The fire product enhancement area 31 includes a plurality of fire product enhancement tubes 311. One end of each fire product enhancement tube 311 close to the burner 1 is closed, and one end of each fire product enhancement tube 311 away from the burner 1 is communicated with the steam water tank 2. The heat exchange convection area 32 includes a plurality of heat exchange convection tubes 321. Both ends of each heat exchange convection tube 321 are respectively communicated with the steam water tank 2. Compared with the existing traditional steam engine in the past, the heating inner tank 3 of the utility model newly adds a fire product enhancement area 31. By directly spraying flames on the fire product enhancement tubes 311 through the burner 1, the heat receiving area of the heating inner tank 3 can be increased and the fire product can be improved, so that the water in the steam water tank 2 can be heat-exchanged more efficiently to generate the required steam. The utility model has a higher thermal efficiency, a higher steam heat generated per unit time, lower energy consumption under the premise of generating the same steam heat, can avoid the situation that water is sprayed out with steam before being completely heated, and the temperature of the generated steam is higher, and it can be better applied to various application scenarios.

[0022] The structure between each fire product enhancement tube 311 and each heat exchange convection tube 321 of the heating inner tank 3 is an integral structure. Welding each fire product enhancement tube 311 and each heat exchange convection tube 321 into one body not only reduces the number of overall parts and is convenient for assembly, but also can be better used for heat exchange with the water in the steam water tank 2.

[0023] The heating inner tank 3 is made of stainless steel material, which not only has good heat conduction performance and can be well used for heat exchange with the water in the steam water tank 2, but also has a relatively high structural strength as a whole, and the service life can be guaranteed.

[0024] The diameter of the fire product enhancement tube 311 is preferably 4.5 - 5 mm, which can quickly heat-exchange the water in the steam water tank 2 and improve the thermal efficiency.

[0025] The fire product enhancement area 31 includes a central fire product tube 3111 and a plurality of surrounding fire product tubes 3112. The central fire product tube 3111 is located at the center of the fire product enhancement area 31, and each surrounding fire product tube 3112 is evenly arranged around the central fire product tube 3111 in the circumferential direction. There are six surrounding fire product tubes 3112 in this embodiment, and the six surrounding fire product tubes 3112 are evenly arranged around the central fire product tube 3111, which can well improve the fire product and the thermal efficiency.

[0026] Compared with directly adding normal temperature water into the steam water tank 2, the newly added water will quickly lower the temperature of the water in the steam water tank 2, which is likely to cause the situation that the steam cannot be continuously ejected and the temperature of the ejected steam is relatively low; the present utility model further includes a water filling port 5 for filling water into the steam water tank 2 and a primary preheating water tank 6 covering the burner 1, and the primary preheating water tank 6 is arranged between the water filling port 5 and the steam water tank 2; before introducing normal temperature water into the steam water tank 2, the normal temperature water first flows through the primary preheating water tank 6 covering the burner 1, which can not only preliminarily preheat the normal temperature water and reduce the situation of quickly lowering the temperature of the water in the steam water tank 2, but also play a role in heat insulation for the high-temperature burner 1.

[0027] The present utility model further includes a secondary preheating water tank 8, and the heating inner tank 3 further includes an exhaust part 33 for discharging combustion exhaust gas. The secondary preheating water tank 8 is arranged between the primary preheating water tank 6 and the steam water tank 2, and the secondary preheating water tank 8 is arranged adjacent to one side of the exhaust part 33; when the present utility model fills water into the steam water tank 2, the normal temperature water added from the water filling port 5 first flows through the primary preheating water tank 6 and the secondary preheating water tank 8 and then is introduced into the steam water tank 2. The normal temperature water in the primary preheating water tank 6 is preliminarily preheated by the waste heat around the burner 1 and becomes the first-stage hot water with a relatively high temperature, and the first-stage hot water in the secondary preheating water tank 8 is secondarily preheated by the waste heat of the combustion exhaust gas in the exhaust part 33 and becomes the second-stage hot water with a temperature close to the water temperature in the steam water tank 2. By preliminarily preheating and secondarily preheating the normal temperature water and then adding it into the steam water tank 2, the situation that the newly added water will quickly lower the temperature of the water in the steam water tank 2 can be prevented, so that the steam can be continuously ejected better and the temperature of the ejected steam is relatively high.

[0028] The present utility model further includes an exhaust pipe 7 for discharging combustion exhaust gas, and the exhaust pipe 7 is communicated with the exhaust part 33, and the exhaust pipe 7 is located in the steam water tank 2; compared with directly discharging the combustion exhaust gas with a large amount of heat, the present utility model heats the water in the steam water tank 2 through the exhaust pipe 7, which can further make full use of the heat carried by the combustion exhaust gas and improve the heat utilization rate.

[0029] The exhaust pipe 7 is arranged in a spiral shape in the steam water tank 2, which can more fully recover and utilize the heat carried by the combustion exhaust gas in the exhaust pipe 7 and improve the heat utilization rate.

[0030] The burner 1 includes a combustion main body 11, a combustion outer shell 12 covering the periphery of the combustion main body 11, and a flame stabilizing piece 13 provided on the top of the combustion outer shell 12. The outer periphery of the flame stabilizing piece 13 is fitted with the inner periphery of the combustion outer shell 12, and a plurality of oxygen replenishing holes 14 are formed in the flame stabilizing piece 13. Compared with the existing traditional burner 1, an annular oxygen replenishing gap is provided between the inner periphery of the flame stabilizing piece 13 and the outer periphery of the combustion outer shell 12, and oxygen replenishment is realized through the annular oxygen replenishing gap. The size of the combustion outer shell 12 needs to be made larger. However, in the present invention, oxygen replenishment is realized through the oxygen replenishing holes 14 provided on the flame stabilizing piece 13. While ensuring sufficient combustion of the burner 1, the size of the combustion outer shell 12 can be made smaller, so that the entire burner 1 can be made smaller, and it can better meet the market use requirements.

[0031] Certainly, the above description is only a preferred embodiment of the present invention. Therefore, all equivalent changes or modifications made according to the structure, features and principles described in the scope of the patent application of the present invention are included in the scope of the patent application of the present invention.

Claims

1. Atmospheric high-temperature and low-humidity steam engine, comprising a burner (1), a steam water tank (2), a heating inner tank (3) arranged in the steam water tank (2), and a steam outlet (4) communicated with the steam water tank (2), characterized in that: The heating inner container (3) includes a fire accumulation enhancement area (31) and a heat exchange convection area (32). The fire accumulation enhancement area (31) is located directly above the burner (1). The fire accumulation enhancement area (31) includes a plurality of fire accumulation enhancement tubes (311). One end of each fire accumulation enhancement tube (311) close to the burner (1) is closed, and the other end of each fire accumulation enhancement tube (311) far from the burner (1) is communicated with the steam water tank (2). The heat exchange convection area (32) includes a plurality of heat exchange convection tubes (321). Both ends of each heat exchange convection tube (321) are respectively communicated with the steam water tank (2).

2. The atmospheric pressure high-temperature and low-humidity steam engine according to claim 1, characterized in that: An integral structure is formed between each fire accumulation enhancement tube (311) and each heat exchange convection tube (321) of the heating inner container (3).

3. The atmospheric pressure high-temperature and low-humidity steam engine according to claim 1, wherein: The heating inner container (3) is made of stainless steel material.

4. The atmospheric pressure high-temperature and low-humidity steam engine according to claim 1, wherein: The diameter of the fire accumulation enhancement tube (311) is 4.5 - 5 mm.

5. The atmospheric pressure high-temperature and low-humidity steam engine according to claim 1, characterized in that: The fire accumulation enhancement area (31) includes a central fire accumulation tube (3111) and a plurality of surrounding fire accumulation tubes (3112). The central fire accumulation tube (3111) is located at the central position of the fire accumulation enhancement area (31), and each surrounding fire accumulation tube (3112) is uniformly arranged in the circumferential direction around the central fire accumulation tube (3111).

6. The atmospheric pressure high-temperature and low-humidity steam engine according to claim 1, characterized in that: It further includes a water filling port (5) for filling water into the steam water tank (2) and a primary pre - heating water tank (6) covering the burner (1). The primary pre - heating water tank (6) is arranged between the water filling port (5) and the steam water tank (2).

7. The atmospheric pressure high-temperature and low-humidity steam engine according to claim 6, wherein: It further includes a secondary pre - heating water tank (8). The heating inner container (3) further includes an exhaust part (33) for discharging combustion exhaust gas. The secondary pre - heating water tank (8) is arranged between the primary pre - heating water tank (6) and the steam water tank (2), and the secondary pre - heating water tank (8) is arranged close to one side of the exhaust part (33).

8. The atmospheric pressure high-temperature and low-humidity steam engine according to claim 7, characterized in that: It further includes an exhaust pipe (7) for discharging combustion exhaust gas. The exhaust pipe (7) is communicated with the exhaust part (33), and the exhaust pipe (7) is located in the steam water tank (2).

9. The atmospheric pressure high-temperature and low-humidity steam engine according to claim 8, characterized in that: The exhaust pipe (7) is arranged in a spiral shape in the steam water tank (2).

10. The atmospheric pressure high-temperature and low-humidity steam engine according to claim 1, characterized in that: The burner (1) includes a combustion main body (11), a combustion outer shell (12) covering the periphery of the combustion main body (11), and a flame stabilizing sheet (13) arranged on the top of the combustion outer shell (12). The outer periphery of the flame stabilizing sheet (13) is fitted with the inner periphery of the combustion outer shell (12), and a plurality of oxygen replenishing holes (14) are opened on the flame stabilizing sheet (13).

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