A steam boiler device

Abstract

The present invention belongs to the technical field of steam boilers, and discloses a steam boiler device, which comprises: a furnace shell is sleeved on the outer side of a cylindrical furnace core; the furnace core comprises a cylindrical furnace core wall and a furnace core cavity surrounded by the furnace core wall; the furnace core wall is divided into a water storage part and a heating part, and the hollow part of the water storage wall serves as a water storage cavity; the water storage part is provided with a water inlet pipe and an air outlet pipe; the heating part is provided with a plurality of heat conductors, and the heat conductors extend into the water storage cavity; a flue comprises a furnace core cavity and an annular cavity surrounded by the furnace shell and the furnace core wall, and the annular cavity and the furnace core cavity are connected to form a flue. The beneficial effect is that the water storage cavity is significantly reduced compared with the prior art, and when heating water, heat is heated from the annular cavity and the furnace core cavity to the water in the water storage cavity, and at the same time, the heat conductor heats the water from the inside of the water, which greatly increases the heating area of ​​the water and improves the heat exchange efficiency.

Description

Technical Field

[0001] The invention belongs to the technical field of steam boilers, and in particular relates to a steam boiler device. Background Art

[0002] In the Technical Regulations for Boiler Safety (Amendment No. 1) (TSG 11-2020), item 1.3(1) is amended to: “(1) Steam boilers with a designed normal water level water volume (Note 1-5) less than 30L or a rated steam pressure less than 0.1MPa; Note 1-5: The designed normal water level water volume is calculated based on the geometric volume of the steam-water space in the pressure-bearing parts from the outlet of the boiler feedwater check valve to the boiler steam outlet valve, based on the dimensions marked on the design drawings; if the boiler’s combustion system, safety devices and steam-water system are not completely independent of other boilers and have common parts, the boiler volume is calculated as the sum of the volumes of the connected boilers; for closed-circulation boilers without a feedwater pump, it is calculated based on the volume of water injected into the boiler at one time before use.”

[0003] The normal water level and water volume of steam boilers in the prior art are designed to be 100L or even higher than 200L, which cannot meet the requirements of the above regulations. Therefore, there is an urgent need for a steam boiler structure that meets the above requirements and can ensure normal steam output to meet the needs of energy saving and safety. Summary of the invention

[0004] The objective of the present invention is to solve the technical problem that the normal water level and water volume of the steam boiler designed in the prior art cannot meet the requirements of the new regulations and cannot meet the requirements of energy saving and safety under the premise of ensuring normal steam output.

[0005] In order to achieve the above object, the present invention provides a steam boiler device.

[0006] The specific technical solution adopted by the present invention is:

[0007] A steam boiler device, comprising:

[0008] A furnace shell is sleeved on the outer side of the cylindrical furnace core;

[0009] The furnace core comprises a cylindrical furnace core wall and a furnace core cavity surrounded by the furnace core wall; the furnace core wall is divided into a water storage part and a heating part, and the hollow part of the water storage wall serves as the water storage cavity; the water storage part is provided with a water inlet pipe and an air outlet pipe; the heating part is provided with a plurality of heat conductors, and the heat conductors extend into the water storage cavity;

[0010] The flue comprises a furnace core cavity and an annular cavity surrounded by a furnace shell and a furnace core wall. The annular cavity and the furnace core cavity are connected to form a flue. The flue is provided with a burner installation hole for installing the burner.

[0011] The cylindrical furnace core and the cylindrical furnace core wall should be understood as a tubular structure with radial cross-sections being one of circular, elliptical, square and polygonal shapes and open at both ends.

[0012] Furthermore, the hollow portion of the water storage wall is in the shape of an annular cylinder, and the heat conductor extends into the water storage cavity evenly distributed around the circumference.

[0013] Furthermore, the hollow portion of the water storage wall is a plurality of through holes arranged along the axial direction of the water storage, the through holes are respectively joined by corresponding annular water channels at the top and bottom of the water storage, and the heat conductor is inserted into the through holes.

[0014] Furthermore, the hollow portion of the water storage wall includes an annular first water pipe and an annular second water pipe, the side of the first water pipe and the side of the second water pipe are connected through a plurality of third water pipes, the heat conductor is inserted into the third water pipe, and the heat conductor seals and passes through the second water pipe.

[0015] Furthermore, the first water pipe and the second water pipe are coaxially arranged, and a plurality of third water pipes are evenly distributed on the circumference between the first water pipe and the second water pipe; adjacent third water pipes are sealed and connected together by a first connecting plate; the heat conductor passes through one end of the second water pipe and is connected to the bottom surface of the furnace shell, and adjacent heat conductors are sealed and connected together by a second connecting plate.

[0016] Furthermore, an annular cover is sealed on the outer side of the top of the furnace core cavity, so that the annular cavity forms a single-side closed flue, and the burner is fixed to the side of the furnace shell wall.

[0017] Furthermore, a top cover is sealed on the inner side of the top of the furnace core cavity, so that the furnace core cavity forms a single-side closed flue, and the burner passes through the annular cavity and is fixed to the side of the furnace core wall.

[0018] Furthermore, the heat conductor is a superconducting heat pipe or a heat conducting rod with a vacuum pumped in the middle.

[0019] The positive effects of the present invention are: the furnace core wall is divided into a water storage part and a heating part, the hollow part of the water storage wall serves as a water storage cavity; the water storage part is provided with a water inlet pipe and an air outlet pipe; the heating part is provided with a plurality of heat conductors, and the heat conductors extend into the water storage cavity; the water storage cavity is significantly reduced compared with the prior art and cannot meet the requirements of new regulations; at the same time, the annular cavity and the furnace core cavity are connected to form a flue, so that when the flue gas heats the water, the heat from the annular cavity and the furnace core cavity heats the water in the water storage cavity, and the heat conductor heats the water from the inside of the water, which greatly increases the heating area of ​​the water and improves the heat exchange efficiency. In addition, the heat conductor passes through one end of the water storage part and is connected to the bottom surface of the furnace shell. The heat conductor not only realizes heat conduction but also supports the water storage part at the top. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of a steam boiler device of the present invention;

[0021] Figure 2 yes Figure 1 A top view of a steam boiler device of the present invention is shown in FIG. Figure 1 The decorative and protective shell is not shown;

[0022] Figure 3 yes Figure 1 A schematic diagram of a first flue structure of a steam boiler device of the present invention is shown in FIG.

[0023] Figure 4 yes Figure 1 A schematic diagram of a second flue structure of a steam boiler device of the present invention is shown in FIG.

[0024] Figure 5 yes Figure 1 A structural schematic diagram of a first embodiment of a furnace core structure of a steam boiler device of the present invention is shown in FIG.

[0025] Figure 6 yes Figure 1 A second embodiment of the structure of a furnace core structure of a steam boiler device of the present invention is shown in FIG.

[0026] Figure 7 yes Figure 1 A three-dimensional structural schematic diagram of a third embodiment of a furnace core structure of a steam boiler device of the present invention is shown in FIG.

[0027] Figure 8 yes Figure 7 A half-section structural schematic diagram of a third embodiment of a furnace core structure of a steam boiler device of the present invention is shown in FIG.

[0028] Legend: 1—furnace core, 101—first water pipe, 102—first connecting plate, 103—third water pipe, 104—second water pipe, 105—heat conductor, 106—second connecting plate, 107—heat conductor base, 108—bottom surface of second connecting plate, 109—burner mounting hole, 1010—water storage cavity, 1011—through hole, 1012—top annular water channel, 1013—bottom annular water channel, 2—furnace shell, 3—burner, 4—first channel, 5—gas outlet pipe, 6—steam tank, 7—smoke outlet, 8—top cover, 801—annular cover, 9—furnace core wall, 901—water storage part, 902—heating part, 10—bottom water inlet pipe, 1001—top water inlet pipe, 11—annular cavity, 12—furnace core cavity. DETAILED DESCRIPTION

[0029] The present invention is described in detail below with reference to the accompanying drawings and specific embodiments:

[0030] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0031] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0032] The specific implementation of the present invention is described in detail below in conjunction with specific embodiments.

[0033] like Figures 1 to 8 FIG. 1 is a structural diagram of a steam boiler device provided by an embodiment of the present invention, wherein the steam boiler device comprises:

[0034] A furnace shell is sleeved on the outer side of the cylindrical furnace core;

[0035] The furnace core comprises a cylindrical furnace core wall and a furnace core cavity surrounded by the furnace core wall; the furnace core wall is divided into a water storage part and a heating part, and the hollow part of the water storage wall serves as the water storage cavity; the water storage part is provided with a water inlet pipe and an air outlet pipe; the heating part is provided with a plurality of heat conductors, and the heat conductors extend into the water storage cavity;

[0036] The flue comprises a furnace core cavity and an annular cavity surrounded by a furnace shell and a furnace core wall. The annular cavity and the furnace core cavity are connected to form a flue. The flue is provided with a burner installation hole for installing the burner.

[0037] The cylindrical furnace core and the cylindrical furnace core wall should be understood as a tubular structure with radial cross-sections being one of circular, elliptical, square and polygonal shapes and open at both ends.

[0038] In a specific embodiment of the present invention, the furnace core wall is divided into a water storage part and a heating part, and the hollow part of the water storage wall serves as a water storage cavity; the water storage part is provided with a water inlet pipe and an air outlet pipe; the heating part is provided with a plurality of heat conductors, and the heat conductors extend into the water storage cavity; the water storage cavity is significantly reduced compared with the prior art and cannot meet the requirements of new regulations; at the same time, the annular cavity and the furnace core cavity are connected to form a flue, so that when the flue gas heats the water, the heat from the annular cavity and the furnace core cavity heats the water in the water storage cavity, and the heat conductor heats the water from the inside of the water, which greatly increases the heating area of ​​the water and improves the heat exchange efficiency. In addition, the heat conductor passes through one end of the water storage part and is connected to the bottom surface of the furnace shell. The heat conductor not only realizes heat conduction but also supports the water storage part at the top.

[0039] Based on the above implementation, in one example of the present invention, Figure 5 As shown, the hollow part of the water storage wall is in the shape of a ring cylinder, that is, the water storage cavity 1010 shown in the figure, and the heat conductor extends into the water storage cavity evenly distributed around the circumference; Figure 5 As shown, the hollow part of the water storage wall is annular, which should be understood as the water storage part 901 is a tubular structure, wherein the wall of the tubular structure is hollow, and can be hollow as a whole or partially hollow, but the hollow part must be connected, that is, the water storage cavity 1010 is through; Figure 5 As shown, the top of the heat conductor 105 is inserted into the water storage chamber 1010. In this embodiment, the top of the heat conductor 105 is preferably inserted into the water storage chamber 1010 from the bottom of the water storage chamber 1010 to the top of the water storage chamber 1010. Of course, the position of the heat conductor 105 in the water storage chamber can also be appropriately changed according to the situation to meet different water storage requirements.

[0040] Based on the above implementation, in another example of the present invention, Figure 5 As shown, adjacent heat conductors are connected by a second connecting plate 106 to form a cylindrical heating portion 902; wherein the second connecting plate 106 and the heat conductor 105 have different lengths in the axial direction of the heating portion 902, that is, as shown in FIG. Figure 5 As shown, the heat conductor base 107 and the bottom surface 108 of the second connecting plate are not in the same plane, so that a plurality of gaps are formed at the bottom of the heating portion 902, and these gaps are used to connect the annular cavity 11 and the furnace core cavity 12 to form a complete flue.

[0041] Based on the above implementation, in another example of the present invention, Figure 6As shown, the hollow part of the water storage wall is a plurality of through holes 1011 arranged along the axial direction of the water storage, and the through holes are respectively joined by corresponding annular water paths at the top and bottom of the water storage, and the heat conductor 105 is inserted in the through holes; wherein the through holes 1011 can be evenly distributed in the wall of the water storage 901 in a circumferential manner, or can be unevenly distributed in the wall of the water storage 901 in a circumferential manner, and this distribution can be determined according to the heat distribution generated by the burner in the boiler. In this embodiment, it is preferred that the through holes 1011 are evenly distributed in the wall of the water storage 901 in a circumferential manner; Figure 6 It can be seen that the heat conductor 105 is inserted into the through hole 1011, and the gap between the heat conductor 105 and the through hole 1011 is the water storage space in the through hole of the steam boiler; the top of the through hole 1011 is connected to the top annular waterway 1012, and the bottom of the through hole 1011 is connected to the bottom annular waterway 1013; the gap between the heat conductor 105 and the through hole 1011 and the top annular waterway 1012 and the bottom annular waterway 1013 constitute the water storage space in this embodiment, which is equivalent to Figure 5 The water storage chamber 1010 is provided in the water storage chamber 1010.

[0042] Based on the above implementation, in another example of the present invention, Figure 7 and Figure 8 As shown, the hollow part of the water storage wall includes an annular first water pipe 101 and an annular second water pipe 104, the side of the first water pipe 101 and the side of the second water pipe 104 are connected through a plurality of third water pipes 103, the third water pipe 103 is inserted with the heat conductor 105, and the heat conductor 105 seals and penetrates the second water pipe 104; preferably, the first water pipe 101 and the second water pipe 104 are coaxially arranged, and a plurality of third water pipes 103 are evenly distributed around the circumference between the first water pipe 101 and the second water pipe 104; adjacent third water pipes 103 are sealed and connected together by a first connecting plate 102, forming a The water storage part 901 is formed; the heat conductor 105 passes through one end of the second water pipe 104 and is connected to the bottom surface of the furnace shell 2, and the adjacent heat conductors 105 are sealed and connected together by the second connecting plate 106 to form the heating part 902; in this embodiment, the connection method between the first water pipe 101, the second water pipe 104, the third water pipe 103, the first connecting plate 102 and the second connecting plate 106 is not limited, and can be cast, welded, or bonded. As long as the structural form in this embodiment can be achieved, the beneficial effects of the structure provided by the present invention can be achieved.

[0043] Based on the above implementation, in another example of the present invention, Figure 4 As shown, the top outer side of the furnace core cavity 12 is sealed with an annular cover 801, so that the annular cavity 11 forms a single-side closed flue, and the burner 3 is fixed to the side of the furnace shell wall. Figure 4 It can be seen that when the annular cover 801 is fixed to the outside of the top of the furnace core cavity 12, the top of the annular cavity 11 is blocked. At this time, the flue gas generated by the combustion in the annular cavity 11 can only flow downward along the annular cavity 11. Since the heat conductor base 107 and the bottom surface 108 of the second connecting plate are not in the same plane, a number of notches are formed at the bottom of the heating part 902. These notches are used to connect the annular cavity 11 and the furnace core cavity 12 to form a complete flue, so that the flue gas enters the furnace core cavity 12 through the notches, and then flows upward through the flue gas outlet 7 to enter the subsequent equipment.

[0044] Based on the above implementation, in another example of the present invention, Figure 3 As shown, the top inner side of the furnace core cavity 12 is sealed with a top cover 8, so that the furnace core cavity 12 forms a single-side closed flue, and the burner 3 passes through the annular cavity and is fixed to the side of the furnace core wall; Figure 3 It can be seen that when the top cover 8 is fixed to the inner side of the top of the furnace core cavity 12, the top of the furnace core cavity 12 is blocked. At this time, the flue gas generated by the burner 3 burning in the furnace core cavity 12 through the first channel 4 can only flow downward along the furnace core cavity 12. Since the heat conductor base 107 and the bottom surface 108 of the second connecting plate are not in the same plane, a number of gaps are formed at the bottom of the heating part 902. These gaps are used to connect the annular cavity 11 and the furnace core cavity 12 to form a complete flue, so that the flue gas enters the annular cavity 11 through the gaps, and then flows upward through the flue gas outlet 7 to enter the subsequent equipment.

[0045] Preferably, the heat conductor is a superconducting heat pipe or a heat conducting rod with a vacuum pumped in the middle.

[0046] Based on the above implementation, in another example of the present invention, Figures 1 to 8 As shown, the water storage section is provided with a water inlet pipe and an air outlet pipe 5, wherein the air outlet pipe 5 is fixed on the top or top side of the water storage section 901; and the water inlet pipe is divided into two cases, namely, a top water inlet pipe 1001 and a bottom water inlet pipe 10, both of which can meet the water inlet requirements of the present invention; wherein, since the high-temperature airflow flows downward and enters the annular cavity 11 or the furnace core cavity 12 from the bottom, in terms of heat distribution, the temperature at the bottom of the water storage section 901 is higher than the temperature at the top of the water storage section 901, so water at room temperature enters the water storage section 901 from the bottom water inlet pipe 10, which can utilize a higher temperature difference to promote faster and more efficient heat exchange compared to the top water inlet pipe 1001 entering the water storage section 901.

[0047] The foregoing has broadly outlined some aspects and features of various embodiments, which should be construed as merely illustrative of various potential applications. Other beneficial results may be obtained by applying the disclosed information in different ways or by combining various aspects of the disclosed embodiments. Other aspects and a more comprehensive understanding may be obtained by reference to the detailed description of the exemplary embodiments in conjunction with the accompanying drawings, within the scope defined by the claims.

[0048] The above embodiments provide a detailed description of the present invention. Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples. Changes, modifications, additions, reductions, and substitutions made by relevant technicians within the essential scope of the present invention also fall within the protection scope of the present invention.

Claims

1. A steam boiler device, characterized in that: The steam boiler device comprises: A furnace shell is sleeved on the outer side of the cylindrical furnace core; The furnace core comprises a cylindrical furnace core wall and a furnace core cavity surrounded by the furnace core wall; the furnace core wall is divided into a water storage part and a heating part, and the hollow part of the water storage wall serves as the water storage cavity; the water storage part is provided with a water inlet pipe and an air outlet pipe; the heating part is provided with a plurality of heat conductors, and the heat conductors extend into the water storage cavity; the heat conductors are superconducting heat pipes or heat conducting rods with a vacuum in the middle; The flue comprises a furnace core cavity and an annular cavity surrounded by a furnace shell and a furnace core wall. The annular cavity and the furnace core cavity are connected to form a flue. The flue is provided with a burner mounting hole for mounting the burner. Adjacent heat conductors are connected by a second connecting plate to form a cylindrical heating portion. The heat conductor base and the bottom surface of the second connecting plate are not in the same plane to form a plurality of notches at the bottom of the heating portion. The notches are used to connect the annular cavity and the furnace core cavity to form a complete flue.

2. A steam boiler device according to claim 1, characterized in that: The hollow part of the water storage wall is in the shape of an annular cylinder, and the heat conductor is evenly distributed around the circumference and extends into the water storage cavity.

3. A steam boiler device according to claim 1, characterized in that: The hollow part of the water storage wall is a plurality of through holes arranged along the axial direction of the water storage, the through holes are respectively joined by corresponding annular water channels at the top and bottom of the water storage, and the heat conductor is inserted in the through holes.

4. A steam boiler device according to claim 1, characterized in that: The hollow part of the water storage wall includes an annular first water pipe and an annular second water pipe. The side of the first water pipe is connected to the side of the second water pipe through a plurality of third water pipes. The heat conductor is inserted into the third water pipe, and the heat conductor seals and penetrates the second water pipe.

5. A steam boiler device according to claim 4, characterized in that: The first water pipe and the second water pipe are arranged coaxially, and a plurality of third water pipes are evenly distributed circumferentially between the first water pipe and the second water pipe; adjacent third water pipes are sealed and connected together by a first connecting plate; the heat conductor passes through one end of the second water pipe and is connected to the bottom surface of the furnace shell, and adjacent heat conductors are sealed and connected together by a second connecting plate.

6. A steam boiler device according to any one of claims 1 to 5, characterized in that: The top outer side of the furnace core cavity is sealed with an annular cover, so that the annular cavity forms a single-side closed flue, and the burner is fixed to the side of the furnace shell wall.

7. A steam boiler device according to any one of claims 1 to 5, characterized in that: The top inner side of the furnace core cavity is sealed with a top cover, so that the furnace core cavity forms a single-side closed flue, and the burner passes through the annular cavity and is fixed on the side of the furnace core wall.

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