CN115717777A - Water tank assembly of heating equipment and heating equipment - Google Patents

Abstract

The invention discloses a water tank component of heating equipment and the heating equipment, the water tank component of the heating equipment comprises: the box body is provided with a smoke inlet and a smoke outlet and comprises a first side plate component and a second side plate component; the third water box is positioned on the outer side of the first side plate component; the heat exchanger comprises a main heat exchange tube assembly and a condenser tube assembly, wherein a plurality of first water boxes and a plurality of second water boxes are communicated through the main heat exchange assembly and the condenser tube assembly, the main heat exchange assembly comprises a plurality of first heat exchange tubes, and the plurality of first heat exchange tubes penetrate through a first side plate assembly to be communicated with a third water box. From this, through directly passing a plurality of first heat exchange tubes first side board subassembly and third water box intercommunication, do not set up the weld part between first heat exchange tube and the first side board subassembly, compare with prior art, can prevent the influence of cyclic stress impact to the weld part among the prior art to can prevent that heating equipment from leaking, and then can improve heating equipment's life, can also improve heating equipment's safety in utilization.

Description

Water tank assembly of heating equipment and heating equipment

Technical Field

The invention relates to the technical field of heating equipment, in particular to a water tank assembly of the heating equipment and the heating equipment with the water tank assembly of the heating equipment.

Background

The heating equipment adopting the full premixing technology is lower in smoke emission, more environment-friendly and more emphasized by consumers, wherein the water tank assembly is a core component of the heating equipment, and the water tank assembly is a conversion device for converting cold water into hot water. The heating equipment is internally provided with the combustion device, high-temperature smoke can be generated during fuel combustion in the combustion device and can enter the water tank assembly, heat exchange can be carried out between the high-temperature smoke and the pipeline in the water tank assembly, the high-temperature smoke can transfer heat to cold water in the pipeline, and the cold water in the pipeline can be changed into hot water after absorbing heat.

In the correlation technique, all adopt welded connection between the heat exchange tube of current water tank set spare and the curb plate, can form the weld part between heat exchange tube and the curb plate, and stress is concentrated at the weld part. Can produce high temperature stress between high temperature flue gas and the weld part and strike, can produce low temperature stress between cold water in the heat exchange tube and the weld part and strike, receive the high temperature of recirculation, when low temperature stress strikes when the weld part, fatigue fracture takes place easily in the weld part to can arouse that firing equipment leaks, also can lead to firing equipment can not the safe handling, and then can reduce firing equipment's life, still can reduce firing equipment's safety in utilization.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the water tank assembly of the heating equipment, which can prevent the influence of the cyclic stress impact on the welding part in the prior art, thereby preventing the water leakage of the heating equipment, further prolonging the service life of the heating equipment and improving the use safety of the heating equipment.

The invention further proposes a heating device.

The water tank assembly of the heating apparatus according to the present invention comprises: the box body is provided with a smoke inlet and a smoke outlet and comprises a first side plate assembly and a second side plate assembly which are oppositely arranged, the first side plate assembly defines a plurality of first water boxes, the second side plate assembly defines a plurality of second water boxes, a water inlet and a water outlet are formed in the first side plate assembly, the water inlet is communicated with one of the first water boxes, and the water outlet is communicated with one of the first water boxes; a third water box located outside the first side panel assembly; the heat exchanger comprises a main heat exchange tube assembly and a condenser tube assembly, wherein the condenser tube assembly is located towards the main heat exchange tube assembly on one side of the smoke outlet, the first water boxes and the second water boxes are communicated through the main heat exchange assembly, the main heat exchange assembly comprises a plurality of first heat exchange tubes, the condenser tube assembly comprises a plurality of second heat exchange tubes, the first heat exchange tubes are located on one side, closest to the smoke inlet, of the main heat exchange tube assembly, and the first heat exchange tubes penetrate through the first side plate assembly and the third water boxes.

According to the water tank assembly of the heating equipment, the plurality of first heat exchange pipes directly penetrate through the first side plate assembly to be communicated with the third water tank, and the welding part is not arranged between the first heat exchange pipes and the first side plate assembly.

In some examples of the invention, the third water box is a plurality of third water boxes, and each two first heat exchange pipes form a group of reciprocating heat exchange groups, and each group of reciprocating heat exchange groups is communicated with one third water box and two second water boxes to form a series-connected water path.

In some examples of the invention, the cross sections of two of the first heat exchange tubes positioned outermost in the direction of arrangement of the plurality of first heat exchange tubes are formed in an elliptical shape, and the cross sections of the remaining first heat exchange tubes are formed in a circular shape.

In some examples of the invention, the main heat exchange tube assembly further comprises a plurality of third heat exchange tubes positioned above the condenser tube assembly.

In some examples of the present invention, each of the third heat exchange tubes is formed in an elliptical shape in cross section.

In some examples of the present invention, each of the first water boxes communicating with the condensation duct assembly communicates with at least three of the second heat exchange tubes.

In some examples of the present invention, each of the second heat exchange pipes is formed as a circular pipe, and a plurality of the second heat exchange pipes corresponding to each of the first water boxes are arranged in a plurality of rows and columns.

In some examples of the present invention, the water tank assembly of the heating apparatus further includes first fins sequentially arranged along a length direction of the first heat exchange tube, the first heat exchange tube sequentially penetrates through the plurality of first fins, and each first fin is provided with a spoiler for changing a direction of the flue gas.

In some examples of the present invention, the spoiler includes a through hole penetrating the first fin in a thickness direction.

In some examples of the invention, the box body further comprises a smoke baffle, the smoke baffle is positioned on one side of the condensation tube assembly, which is far away from the main heat exchange tube assembly, and the smoke outlet is arranged on the smoke baffle.

The heating device comprises the water tank assembly of the heating device.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a cross-sectional view of a heating apparatus according to an embodiment of the invention;

FIG. 2 is a schematic view of a water tank assembly according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a water tank assembly according to an embodiment of the present invention;

FIG. 4 is an enlarged view at A in FIG. 3;

FIG. 5 is a front view of a water tank assembly according to an embodiment of the present invention;

FIG. 6 is a schematic view of another angle of a water tank assembly according to an embodiment of the present invention;

FIG. 7 is a cross-sectional view of another angle of a tank assembly according to an embodiment of the present invention;

FIG. 8 is a bottom view of a tank assembly according to an embodiment of the present invention;

FIG. 9 is a schematic view of a first sub-fin of a water tank assembly of a heating apparatus according to an embodiment of the present invention;

fig. 10 is a schematic view of a second sub-fin of a water tank assembly of a heating apparatus according to an embodiment of the present invention.

Reference numerals:

a water tank assembly 100;

a case 10; a smoke inlet 11; a smoke outlet 12; a first side panel assembly 13; a second side panel assembly 14; a water inlet 15; a water outlet 16; a first side plate 17; a second side plate 18; a first bottom plate 19; a second base plate 110;

a first water box 21; a second water box 22; a third water box 23;

a main heat exchange tube assembly 30; a first heat exchange pipe 31; a third heat exchange tube 32;

a condenser tube assembly 40; a second heat exchange pipe 41;

a first fin 50; a through hole 51; the first sub-fin 52; the second sub-fins 53;

a first heat insulating board 61; a second heat shield 62;

a smoke barrier 70;

a heating device 200; a flue gas valve 201; a controller 202.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 10, a water tank assembly 100 of a heating apparatus 200 according to an embodiment of the present invention is described, wherein the water tank assembly 100 is disposed in the heating apparatus 200, and it should be noted that the heating apparatus 200 may be a water heater, and particularly, a wall-hanging stove type water heater.

As shown in fig. 1 to 10, a water tank assembly 100 according to an embodiment of the present invention includes: a case 10, a third water box 23, a main heat exchange pipe assembly 30 and a condenser pipe assembly 40. The cabinet 10 has a smoke inlet 11 and a smoke outlet 12, the heating apparatus 200 may be provided with a burner, high-temperature smoke combusted by the burner may flow into the cabinet 10 from the smoke inlet 11, and high-temperature smoke in the cabinet 10 may flow out of the cabinet 10 from the smoke outlet 12. The tank body 10 includes a first side plate assembly 13 and a second side plate assembly 14 which are oppositely arranged, the second side plate assembly 14 and the first side plate assembly 13 are oppositely arranged in a first direction of the water tank assembly 100, the first direction of the water tank assembly 100 may refer to a left-right direction in fig. 2, and the second side plate assembly 14 and the first side plate assembly 13 are arranged at a distance in the first direction of the water tank assembly 100.

The first side plate assembly 13 and the second side plate assembly 14 can be both formed as an integral part, so that the first side plate assembly 13 and the second side plate assembly 14 can be conveniently produced, the production efficiency of the first side plate assembly 13 and the second side plate assembly 14 can be improved, the production efficiency of the water tank assembly 100 can be improved, the number of dies for developing and producing the tank body 10 can be reduced, the production cost of the tank body 10 can be reduced, and the production cost of the water tank assembly 100 can be reduced.

Further, the first side plate assembly 13 defines a plurality of first water boxes 21, the second side plate assembly 14 defines a plurality of second water boxes 22, the first side plate assembly 13 is provided with a water inlet 15 and a water outlet 16, the water inlet 15 is communicated with one of the first water boxes 21, the water outlet 16 is communicated with one of the first water boxes 21, further, as shown in fig. 2, in the up-down direction in fig. 2, the setting heights of some of the first water boxes 21 in the plurality of first water boxes 21 are the same, the setting heights of some of the first water boxes 21 in the plurality of first water boxes 21 are different, and the setting height of the water outlet 16 is higher than the setting height of the water inlet 15, that is, the water outlet 16 is disposed above the water inlet 15, as shown in fig. 6, in the up-down direction in fig. 6, the setting heights of some of the second water boxes 22 in the plurality of second water boxes 22 are the same, and the setting heights of some of the second water boxes 22 in the plurality of second water boxes 22 are different.

The third water box 23 is located outside the first side plate assembly 13, the third water box 23 may be disposed as an integrally formed part with the first side plate assembly 13, the third water box 23 may also be disposed as a separate part with the first side plate assembly 13, the condensation tube assembly 40 is located on one side of the main heat exchange tube assembly 30 facing the smoke outlet 12, it can also be understood that, in the up-down direction in fig. 2, the main heat exchange tube assembly 30 is disposed on the upper side of the condensation tube assembly 40, the plurality of first water boxes 21 and the plurality of second water boxes 22 are communicated through the main heat exchange assembly and the condensation tube assembly 40, the main heat exchange assembly includes a plurality of first heat exchange tubes 31, the condensation tube assembly 40 includes a plurality of second heat exchange tubes 41, the plurality of first heat exchange tubes 31 are located on one side of the main heat exchange tube assembly 30 closest to the smoke inlet 11, that is, the plurality of first heat exchange tubes 31 are located on the upper side of the main heat exchange tube assembly 30, and the plurality of first heat exchange tubes 31 are communicated with the third water box 23 through the first side plate assembly 13.

Wherein, the second side plate assembly 14 may include the second side plate 18, the first side plate assembly 13 may include the first side plate 17, both the second side plate 18 and the first side plate 17 may be set as an integrally formed part, that is, both the first side plate 17 and the second side plate 18 are set as an integrally formed part, so that the production and manufacturing of the second side plate 18 and the first side plate 17 may be facilitated, the production efficiency of the second side plate 18 and the first side plate 17 may be improved, so that the production efficiency of the water tank assembly 100 may be improved, and the number of molds for developing and producing the tank body 10 may also be reduced, so that the production cost of the tank body 10 may be reduced, so that the production cost of the water tank assembly 100 may be reduced.

Further, as shown in fig. 1, a plurality of first water boxes 21 and a plurality of third water boxes 23 may be defined on the first side plate 17, a plurality of second water boxes 22 may be defined on the second side plate 18, and the first side plate 17 is provided with the water outlet 16 and the water inlet 15. In some embodiments of the present invention, the same sides of the plurality of first water boxes 21 are open, the same sides of the plurality of second water boxes 22 are open, and the same sides of the plurality of third water boxes 23 are open, and further, a side of the plurality of first water boxes 21 facing the inside of the cabinet 10 is open, a side of the plurality of second water boxes 22 facing the inside of the cabinet 10 is open, and a side of the plurality of third water boxes 23 facing the inside of the cabinet 10 is open. The second side plate assembly 14 may further include a second bottom plate 110, the first side plate assembly 13 may further include a first bottom plate 19 and a third bottom plate, the first bottom plate, the second bottom plate and the third bottom plate may be configured as an integrally formed member, the first bottom plate and the first side plate assembly 13 may cooperate to cover the open sides of the plurality of first water boxes 21, the second bottom plate and the second side plate assembly 14 may cooperate to cover the open sides of the plurality of second water boxes 22, and the third bottom plate and the second side plate assembly 14 may cooperate to cover the open sides of the plurality of third water boxes 23.

Further, the first bottom plate can be provided with a plurality ofly, a plurality of first bottom plates and a plurality of first water box 21 one-to-one set up, the second bottom plate can be provided with a plurality ofly, a plurality of second bottom plates and a plurality of second water box 22 one-to-one set up, the third bottom plate can be provided with a plurality ofly, a plurality of third bottom plates and a plurality of third water box 23 one-to-one set up, a plurality of first bottom plates, a plurality of second bottom plates and a plurality of third bottom plates all are equipped with the mounting hole, the mounting hole runs through corresponding first bottom plate, the second bottom plate, the third bottom plate, first heat exchange tube 31, second heat exchange tube 41 is installed in corresponding mounting hole, can avoid water from the open side of first water box 21, the open side of second water box 22 and the open side of third water box 23 flow out, thereby can prevent water tank subassembly 100 water leakage.

Of course, the first bottom plate may be provided as an integrally formed plate-shaped structure, one first bottom plate may simultaneously cover the open sides of the plurality of first water boxes 21, the second bottom plate may be provided as an integrally formed plate-shaped structure, one second bottom plate may simultaneously cover the open sides of the plurality of second water boxes 22, the third bottom plate may be provided as an integrally formed plate-shaped structure, and one third bottom plate may simultaneously cover the open sides of the plurality of third water boxes 23. It should be noted that the first bottom plate and the third bottom plate may constitute one integrated piece that can simultaneously cover the open sides of the plurality of first water boxes 21 and the open sides of the plurality of third water boxes 23.

Preferably, the first side plate assembly 13 may be provided with a third mounting hole, the first heat exchange pipe 31 may pass through the first side plate assembly 13 through the third mounting hole, and the first heat exchange pipe 31 may be inserted into the third water box 23 such that the first heat exchange pipe 31 communicates with the third water box 23. The first heat exchange tube 31 and the first side plate assembly 13 can be connected by using a tube expansion process, and a joint between the first heat exchange tube 31 and the third bottom plate of the first side plate assembly 13 can be sealed by using high-temperature glue, so that water seepage between the first heat exchange tube 31 and the first side plate assembly 13 can be avoided.

When high-temperature smoke generates high-temperature stress impact on the joint between the first heat exchange tube 31 and the first side plate assembly 13 or when cold water in the first heat exchange tube 31 generates low-temperature stress impact on the joint between the first heat exchange tube 31 and the first side plate assembly 13, because the first heat exchange tube 31 and the first side plate assembly 13 are not connected in a welding manner, stress is not concentrated on the joint between the first heat exchange tube 31 and the first side plate assembly 13, so that fatigue fracture can be prevented from occurring on the joint between the first heat exchange tube 31 and the first side plate assembly 13, and the use safety of the heating device 200 can be improved.

In addition, because the first heat exchange tube 31 and the first side plate assembly 13 are connected by a tube expansion process, the first heat exchange tube 31 can freely extend and retract in the third communication hole 51, when the first heat exchange tube 31 is heated, the first heat exchange tube 31 can expand, when the first heat exchange tube 31 is cooled, the first heat exchange tube 31 can contract, and when the first heat exchange tube 31 is heated or cooled, the first heat exchange tube 31 has enough space to release energy generated by deformation of the first heat exchange tube 31, so that the first heat exchange tube 31 can be further prevented from being subjected to stress cracking.

It should be noted that the first heat exchange pipe 31 and the third water box 23 can be connected by welding, and the first heat exchange pipe 31 and the third water box 23 can be reliably connected together, so that the first heat exchange pipe 31 can be prevented from falling off from the water tank assembly 100, and the working stability of the water tank assembly 100 can be improved.

From this, through directly passing a plurality of first heat exchange tubes 31 and first curb plate subassembly 13 and third water box 23 intercommunication, not set up the welding part between first heat exchange tube 31 and the first curb plate subassembly 13, compare with prior art, can prevent the influence of cyclic stress impact to the welding part among the prior art to can prevent that heating equipment 200 from leaking water, and then can improve heating equipment 200's life, can also improve heating equipment 200's safety in utilization.

In some embodiments of the present invention, as shown in fig. 2, the third water box 23 may be provided in plurality, and each two first heat exchange pipes 31 may form a group of reciprocating heat exchange groups, each group of reciprocating heat exchange groups being in communication with one of the third water boxes 23 and in communication with two of the second water boxes 22 to form a series waterway. Wherein, a plurality of first heat exchange tubes 31 can form a plurality of reciprocating heat exchange groups, each reciprocating heat exchange group is communicated with one of the third water boxes 23 and with two of the second water boxes 22, so as to form a series-connected water path, it should be noted that, one end of the first heat exchange tube 31 in the reciprocating heat exchange group is communicated with one of the third water boxes 23, the other end of the first heat exchange tube 31 is communicated with one of the second water boxes 22, one end of the second first heat exchange tube 31 in the reciprocating heat exchange group is communicated with the other of the second water boxes 22, the second water box 22 communicated with the first heat exchange tube 31 is communicated with the second water box 22 communicated with the second first heat exchange tube 31, after water flows into the first heat exchange tube 31 from the third water box 23, the water can flow into the second water box 22 communicated with the first heat exchange tube 31, and then the water flows into the other of the second water boxes 22 from the second water box 22 communicated with the first heat exchange tube 31, and then flows into the second water box 31. The cross section of each first heat exchange tube 31 is formed in a long bar shape, and no spoiler is provided inside each first heat exchange tube 31. Cold water can flow into the first water box 21 from the water inlet 15, firstly pass through the second heat exchange tube 41, then flow upwards layer by layer through the first water box 21 and the second water box 22 on two sides, then flow through the first heat exchange tube 31, and finally flow out of the hot water from the water outlet 16.

Through the water route that forms the series connection of each group heat transfer group and one of them third water box 23 intercommunication in a plurality of third water boxes 23 and with two second water boxes 22 intercommunication, that is to say, high temperature heat transfer section waterway structure adopts the series scheme, the water route in water tank set 100 establishes ties to a water route, the inside discharge of water route can not exist, the inhomogeneous condition of water velocity distribution, compared with the prior art, can make the interior discharge of water or the water velocity of condenser pipe assembly 30 and condenser pipe assembly 40 more even in main heat exchange pipe assembly 30, can slow down water vaporization and scale deposit in condenser pipe assembly 40 and main heat exchange pipe assembly 30, reduced first heat exchange pipe 31, the damage risk of second heat exchange pipe 41, can prolong the life of water tank set 100 and firing equipment 200.

Also, if the velocity of the water flow in the first heat exchange pipe 31 is too low and the resistance is too large, the water is easily vaporized in the first heat exchange pipe 31 or scales may be formed in the first heat exchange pipe 31, thereby affecting the usability and lifespan of the heating apparatus 200. Therefore, no spoiler is arranged in each first heat exchange tube 31, when water flows in the first heat exchange tubes 31, the flow resistance of the water in the first heat exchange tubes 31 can be effectively reduced, insoluble substances can be further prevented from being deposited in the first heat exchange tubes 31, so that the water in the first heat exchange tubes 31 can be further prevented from being vaporized, the formation of scale in the first heat exchange tubes 31 can be further slowed down, the blockage in the first heat exchange tubes 31 and the second heat exchange tubes 41 can be further avoided, the problems of dry burning and cracking of the heating equipment 200 can be further prevented, and the service performance and the service life of the heating equipment 200 can be further prolonged.

In some embodiments of the present invention, as shown in fig. 3, in the arrangement direction of the plurality of first heat exchange tubes 31 (i.e., in the front-rear direction in fig. 2), the cross section of the two outermost first heat exchange tubes 31 is formed in an elliptical shape, and the cross section of the remaining first heat exchange tubes 31 is formed in a circular shape, that is, the cross section of the first heat exchange tube 31 closest to the front end of the tank 10 among the plurality of first heat exchange tubes 31 is formed in an elliptical shape, and the cross section of the first heat exchange tube 31 closest to the rear end of the tank 10 among the plurality of first heat exchange tubes 31 is formed in an elliptical shape, so that when water flows through the plurality of first heat exchange tubes 31, the flow resistance of water in the first heat exchange tubes 31 can be reduced, insoluble substances can be prevented from being deposited in the first heat exchange tubes 31, and water in the first heat exchange tubes 31 can be prevented from being vaporized, and the formation of scales in the first heat exchange tubes 31 can be slowed, and the service performance and the service life of the heating apparatus 200 can be prolonged.

In some embodiments of the present invention, as shown in fig. 3, 4, and 7, the main heat exchange tube assembly 30 may further include a plurality of third heat exchange tubes 32, and the third heat exchange tubes 32 may be positioned above the condenser tube assembly 40. The third heat exchange tube 32 can also be located below the first heat exchange tube 31, and it can be understood that the third heat exchange tube 32 can be sandwiched between the first heat exchange tube 31 and the second heat exchange tube 41, and the third heat exchange tube 32 can play a role of auxiliary heat exchange, and after the high-temperature flue gas exchanges heat with the first heat exchange tube 31, most of heat in the high-temperature flue gas can be transferred to cold water in the first heat exchange tube 31. Through setting up third heat exchange tube 32, third heat exchange tube 32 can continue to take place the heat transfer with the high temperature flue gas, and remaining heat in the high temperature flue gas can be transmitted to cold water through third heat exchange tube 32 to thermal utilization ratio in the high temperature flue gas can be improved, and then the energy consumption of firing equipment 200 can be reduced.

In some embodiments of the present invention, as shown in fig. 3, 4, and 7, each of the third heat exchange tubes 32 may be formed in an elliptical shape in cross section. However, if the water flow velocity in the third heat exchange tube 32 is too low and the resistance is too large, the water is easily vaporized in the third heat exchange tube 32, or scales may be formed in the third heat exchange tube 32, thereby affecting the service performance and the service life of the heating apparatus 200. Therefore, by setting the cross-sectional shape of the third heat exchange tube 32 to be an oval shape, when water flows in the third heat exchange tube 32, the flow resistance of the water in the third heat exchange tube 32 can be reduced, and insoluble substances can be prevented from being deposited in the third heat exchange tube 32, so that vaporization of the water in the third heat exchange tube 32 can be prevented, and formation of scale in the third heat exchange tube 32 can be slowed down, thereby further prolonging the service performance and the service life of the heating apparatus 200. The present invention is not limited thereto, and the cross-sectional shape of the third heat exchange pipe 32 may be provided in other irregular shapes as long as the cross-sectional shape of the third heat exchange pipe 32 performs the same function as the oval shape.

In some embodiments of the present invention, each of the first water boxes 21 communicating with the condensation tube assembly 40 may communicate with at least three second heat exchange tubes 41, that is, each of the first water boxes 21 communicating with the condensation tube assembly 40 may communicate with three second heat exchange tubes 41, each of the first water boxes 21 communicating with the condensation tube assembly 40 may communicate with more than three second heat exchange tubes 41, and a plurality of the first water boxes 21 communicating with the condensation tube assembly 40 may communicate with different numbers of the second heat exchange tubes 41, respectively, it should be noted that the number of the second heat exchange tubes 41 communicating with each of the first water boxes 21 may be set according to actual requirements. The arrangement can enable water in the first water box 21 to rapidly flow into the second heat exchange tubes 41, and enable water in the second heat exchange tubes 41 to flow into the first water box 21 simultaneously, so that the flowing time of the water in the condensation tube assembly 40 can be reduced, water vaporization or scaling in the condensation tube assembly 40 can be avoided, the flowing resistance of the water in the second heat exchange tubes 41 can be reduced, blockage in the second heat exchange tubes 41 can be avoided, the problem of dry burning and cracking of the heating equipment 200 can be further prevented, and the service lives of the water tank assembly 100 and the heating equipment 200 can be further prolonged.

Moreover, the second heat exchange tubes 41 are arranged in a plurality of manners, a larger spacing distance is reserved between the second heat exchange tubes 41, the outer surface area of the second heat exchange tubes 41 is smaller, condensed water generated on the second heat exchange tubes 41 is not easy to accumulate, so that the phenomenon that the smoke outlet 12 is blocked by the condensed water can be avoided, the phenomenon that the water tank assembly 100 is corroded due to repeated evaporation of the condensed water on the surfaces of the second heat exchange tubes 41 can be avoided, and the service life of the water tank assembly 100 can be prolonged.

Further, each of the second heat exchange tubes 41 may be formed in a circular tube, that is, the second heat exchange tube 41 may be provided with a circular section in a radial direction of the second heat exchange tube 41. The plurality of second heat exchange pipes 41 corresponding to each first water box 21 are arranged in a plurality of rows and columns. Wherein, some of the plurality of second heat exchanging pipes 41 of each first water box 21 may be in the same row, and the plurality of second heat exchanging pipes 41 of each row may be disposed spaced apart in the front-rear direction in fig. 3. Some of the plurality of second heat exchanging pipes 41 of each first water box 21 may be in the same column, and the plurality of second heat exchanging pipes 41 of each column may be disposed at intervals in the up-down direction of fig. 2. With such an arrangement, the number of the second heat exchanging pipes 41 in the water tank assembly 100 can be increased as much as possible, and the size of the space occupied by the second heat exchanging pipes 41 in the tank 10 can also be reduced, so that the structure of the water tank assembly 100 can be made more compact, and the condensation effect of the condenser pipe assembly 40 can also be improved.

In some embodiments of the present invention, the water tank assembly 100 may further include first fins 50 arranged in series along a length direction of the first heat exchange pipe 31, and the length direction of the first heat exchange pipe 31 may refer to a left-right direction in fig. 2. The first heat exchange tube 31 sequentially penetrates through the plurality of first fins 50, and each first fin 50 can be provided with a flow disturbing piece for changing the trend of the flue gas. Wherein, a plurality of first fins 50 all set up in box 10, and a plurality of first fins 50 can constitute the heat transfer fin subassembly, and first fin 50 can take place the heat transfer with first heat exchange tube 31, and first fin 50 also can take place the heat transfer with the high temperature flue gas that gets into in water tank subassembly 100. After the high-temperature flue gas burnt by the burner flows into the box 10 from the flue gas inlet 11, the high-temperature flue gas can transfer heat to the first fin 50, and the first fin 50 can transfer heat to the first heat exchange tube 31, that is to say, the contact area between the first heat exchange tube 31 and the high-temperature flue gas is larger, and the first heat exchange tube 31 can obtain more heat from the high-temperature flue gas.

Through setting up a plurality of first fins 50, a plurality of first fins 50 can be with more heat transfer for the cold water in the first heat exchange tube 31, can promote heat exchange efficiency to can make cold water become hot water more fast, and then can promote the heat exchange efficiency of water tank set spare 100, also can promote the working property of firing equipment 200.

And, can be provided with the vortex piece on the first fin 50, wherein, the high temperature flue gas through combustor burning back in flowing into the box 10 from advancing the mouth 11, under the effect of vortex piece, can make the flue gas change direction of motion in the box 10, can prolong the motion time of flue gas in the box 10 to can make flue gas and first fin 50, first heat exchange tube 31, second heat exchange tube 41 and third heat exchange tube 32 carry out abundant heat transfer, and then can promote the heating efficiency of firing equipment 200, promote the working property of firing equipment 200.

In some embodiments of the present invention, as shown in fig. 9 and 10, the first fin 50 may include: the first sub-fin 52 can be sleeved outside the first heat exchange tube 31, the second sub-fin 53 can also be sleeved outside the first heat exchange tube 31, and the second sub-fin 53 is arranged on the side wall of the box 10, for example: the second sub-fins 53 are provided on the inner surface of the first heat insulating plate 61, and thus the heat exchange area of the heat exchange fin assembly can be increased.

In some embodiments of the invention, the spoiler may comprise: establish the turn-ups on first fin 50, so set up the structure that can simplify the vortex piece, can be convenient for the production manufacturing of vortex piece to can promote the production efficiency of vortex piece. Further, spoiler and first fin 50 can integrated into one piece, and spoiler and first fin 50 can set up to integrated into one piece promptly, sets up like this and can reduce the spare part quantity of constituteing water tank set 100, can promote water tank set 100's assembly efficiency to can promote water tank set 100's production efficiency.

Further, the spoiler may include a through hole 51 penetrating the first fin 50 in a thickness direction, and it should be noted that the thickness direction of the spoiler may refer to a left-right direction in fig. 1. Through-hole 51 runs through first fin 50 in the thickness direction of vortex piece, when being provided with a plurality of first fins 50 in box 10, first heat exchange tube 31 wears to establish in first through-hole 51, so set up and to realize that first heat exchange tube 31 wears to establish the technical scheme on first fin 50, can prevent that first fin 50 from separating with first heat exchange tube 31, thereby can guarantee that first heat exchange tube 31 and first fin 50 can carry out the heat transfer, and, through setting up a plurality of first fins 50, can promote heat transfer fin subassembly and first heat exchange tube 31's heat exchange efficiency.

According to some embodiments of the present invention, the case 10 may further include: the second heat insulation board 62 and the first heat insulation board 61, the second heat insulation board 62 and the first heat insulation board 61 are arranged oppositely, the first heat insulation board 61 is connected with the first side board assembly 13 and the second side board assembly 14 in a matching way respectively, the second heat insulation board 62 is connected with the first side board assembly 13 and the second side board assembly 14 in a matching way respectively, further, as shown in fig. 2, the left end of the first heat insulation board 61 is connected with the first side board assembly 13, the right end of the first heat insulation board 61 is connected with the second side board assembly 14, the left end of the second heat insulation board 62 is connected with the first side board assembly 13, the right end of the second heat insulation board 62 is connected with the second side board assembly 14, wherein, the second heat insulation board 62 and the first heat insulation board 61 have a heat insulation effect, after high-temperature flue gas combusted by the burner flows into the box 10 from the smoke inlet 11, heat can be prevented from being transferred to the outside of the box 10 from the second heat insulation board 62 and the first heat insulation board 61, heat insulation board 62 and the first heat insulation board 61 can be prevented from being dissipated from the second heat insulation board 62 and the first heat insulation board 61, thereby the heat insulation board 61, the heat exchange efficiency of the water tank assembly 100 can be ensured, and the heating efficiency of the heating device 200 can be ensured.

Further, the second heat insulation board 62 and the first heat insulation board 61 can be respectively set as an integral part, the structural strength of the integral part is high, the structural strength of the second heat insulation board 62 and the first heat insulation board 61 can be improved by the arrangement, the deformation of the box body 10 can be avoided, and the production and manufacture of the second heat insulation board 62 and the first heat insulation board 61 can be facilitated, the production efficiency of the second heat insulation board 62 and the first heat insulation board 61 can be improved, so that the production efficiency of the water tank assembly 100 can be further improved, in addition, the number of molds for developing and producing the box body 10 can also be reduced, the production cost of the box body 10 can be further reduced, and the production cost of the water tank assembly 100 can be reduced.

In some embodiments of the present invention, the housing 10 may further include a smoke barrier 70, the smoke barrier 70 may be provided as a unitary member, i.e., the smoke barrier 70 is provided as an integrally formed member, the smoke barrier 70 is located on a side of the condenser tube assembly 40 facing away from the main heat exchange tube assembly 30 (as shown in fig. 1, i.e., the lower side of the condenser tube assembly 40), and the smoke outlet 12 may be provided on the smoke barrier 70. As shown in fig. 8, the smoke baffle plate 70 is respectively connected to the lower end of the second side plate assembly 14, the lower end of the first side plate assembly 13, the lower end of the second heat insulation plate 62 and the lower end of the first heat insulation plate 61 in a matching manner, after the high-temperature flue gas combusted by the burner flows into the box body 10 from the flue gas inlet 11, when the flue gas flows to the smoke baffle plate 70, the smoke baffle plate 70 has a blocking effect on the flue gas, so that the time of the flue gas flowing out from the flue gas outlet 12 can be reduced, the residence time of the flue gas in the box body 10 can be prolonged, the heat exchange time of the high-temperature flue gas with the first heat exchange tube 31, the second heat exchange tube 41, the third heat exchange tube 32 and the first fin 50 can be increased, further, more heat can be used for heating cold water, heat loss is reduced, and the heating efficiency of the heating device 200 is improved.

In some embodiments of the present invention, the smoke barrier 70 may comprise a plurality of guide plates facing away from the smoke inlet 11, the smoke outlet 12 comprises a first channel, and one ends of the plurality of guide plates facing away from the smoke inlet 11 are spaced apart to define the first channel. Wherein, the flue gas in the box 10 can flow out of the box 10 through the first channel, so set up the flow area that can guarantee the flue gas, can guarantee that the flue gas flows out of the box 10 smoothly from the smoke outlet 12 to can avoid the too big bloated bad box 10 of box 10 internal pressure, and then can avoid the box 10 to explode, can promote the safety in utilization of firing equipment 200.

In some embodiments of the present invention, the smoke outlet 12 may further include a second channel, each of the guiding plates may be provided with a plurality of second channels, the second channels penetrate through the guiding plates in the thickness direction of the guiding plate, smoke in the box 10 may flow out of the box 10 through the second channels, so as to increase the flow area of the smoke, the smoke in the box 10 may flow out of the box 10 through the first channels and the second channels, and the smoke may further flow out of the box 10 from the smoke outlet 12, thereby further preventing the box 10 from being damaged by the excessive pressure in the box 10, further preventing the box 10 from exploding, and further improving the safety of the heating apparatus 200.

According to the heating apparatus 200 of the embodiment of the present invention, including the water tank assembly 100 of the above-mentioned embodiment, the water tank assembly 100 is disposed in the heating apparatus 200, and the plurality of first heat exchange pipes 31 directly pass through the first side plate assembly 13 to communicate with the third water box 23, and no welding portion is disposed between the first heat exchange pipes 31 and the first side plate assembly 13, compared with the prior art, the influence of the impact of the cyclic stress on the welding portion in the prior art can be prevented, so that the water leakage of the heating apparatus 200 can be prevented, the service life of the heating apparatus 200 can be further prolonged, and the use safety of the heating apparatus 200 can be further improved.

Other configurations of the heating apparatus 200 according to an embodiment of the present invention, such as the flue gas valve 201 and the controller 202, and the operation thereof, are known to those of ordinary skill in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (11)

1. A water tank assembly for a heating apparatus, comprising:

the box body is provided with a smoke inlet and a smoke outlet and comprises a first side plate assembly and a second side plate assembly which are oppositely arranged, the first side plate assembly defines a plurality of first water boxes, the second side plate assembly defines a plurality of second water boxes, a water inlet and a water outlet are formed in the first side plate assembly, the water inlet is communicated with one of the first water boxes, and the water outlet is communicated with one of the first water boxes;

a third water box located outside the first side panel assembly;

the heat exchanger comprises a main heat exchange tube assembly and a condenser tube assembly, wherein the condenser tube assembly is located towards the main heat exchange tube assembly on one side of the smoke outlet, the first water boxes and the second water boxes are communicated through the main heat exchange assembly, the main heat exchange assembly comprises a plurality of first heat exchange tubes, the condenser tube assembly comprises a plurality of second heat exchange tubes, the first heat exchange tubes are located on one side, closest to the smoke inlet, of the main heat exchange tube assembly, and the first heat exchange tubes penetrate through the first side plate assembly and the third water boxes.

2. The water tank assembly of a heating appliance of claim 1, wherein the third water box is plural, and each two of the first heat exchange tubes form a set of reciprocating heat exchange sets, each set of reciprocating heat exchange sets communicating with one of the third water boxes and with two of the second water boxes to form a series waterway.

3. The water tank assembly of a heating apparatus as recited in claim 1, wherein in the arrangement direction of the plurality of first heat exchange pipes, the cross-sections of two of said first heat exchange pipes located outermost are formed in an elliptical shape, and the cross-sections of the remaining first heat exchange pipes are formed in a circular shape.

4. The water tank assembly of a heating appliance of claim 3 wherein the main heat exchange tube assembly further comprises a plurality of third heat exchange tubes positioned above the condenser tube assembly.

5. The water tank assembly of a heating apparatus as recited in claim 4, wherein each of the third heat exchanging pipes is formed in an elliptical shape in cross section.

6. The water tank assembly of a heating apparatus as recited in claim 1, wherein each of the first water boxes communicating with the condenser pipe assembly communicates with at least three of the second heat exchanging pipes.

7. The water tank assembly of a heating apparatus as claimed in claim 6, wherein each of the second heat exchanging pipes is formed as a circular pipe, and the plurality of second heat exchanging pipes corresponding to each of the first water boxes are arranged in a plurality of rows and columns.

8. The water tank assembly of the heating device as claimed in claim 1, further comprising first fins arranged in sequence along the length direction of the first heat exchange tube, wherein the first heat exchange tube is sequentially provided with a plurality of first fins, and each first fin is provided with a flow disturbing member for changing the direction of the flue gas.

9. The water tank assembly of a heating apparatus as claimed in claim 8, wherein the spoiler includes a through hole penetrating the first fin in a thickness direction.

10. The water tank assembly of a heating apparatus of any one of claims 1-9, wherein the tank further comprises a smoke baffle located on a side of the condenser tube assembly facing away from the main heat exchange tube assembly, the smoke outlet being provided in the smoke baffle.

11. A heating device, characterized by a water tank assembly comprising a heating device according to any one of claims 1-10.

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