Novel condensation type gas water heater

Abstract

The invention discloses a novel condensation type gas water heater which comprises a water heater body, and the water heater body comprises a combustor, a main heat exchanger and a condensation heat exchanger. The atomizing assembly comprises an atomizing shell, an atomizing mechanism and an atomizing driving part, the atomizing mechanism comprises a first atomizing disc and a second atomizing disc, and a plurality of atomizing parts on the second atomizing disc are arranged on the periphery of an atomizing area of the first atomizing disc in a surrounding mode; when the first atomizing disc rotates, water flow in the atomizing area is guided to swing to the atomizing parts and is atomized at the atomizing parts; the atomization driving piece drives the first atomization disc to rotate; one end of the condensate pipe is communicated to the condensation heat exchanger, and the other end of the condensate pipe is communicated to the atomization area. Condensate water can be discharged to the atomization area, the first atomization disc is driven by the atomization driving piece to rotate so that the condensate water in the atomization area can be swung to the multiple atomization parts of the second atomization disc, in this way, the condensate water can be directly discharged to the outside after being atomized, installation is convenient and fast, and layout is simple after installation.

Description

Technical Field

[0001] This invention relates to the field of water heater technology, and in particular to a novel condensing gas water heater. Background Technology

[0002] Condensing gas water heaters typically involve cold water first exchanging heat with the exhaust gas in the main heat exchanger. The cold water absorbs heat from the exhaust gas before entering the main heat exchanger for a second heat exchange, thus maximizing heat utilization. Due to this secondary heat exchange structure, the cold water first passes through a low-temperature heat exchanger to exchange heat with the exhaust gas, lowering the gas temperature below the dew point. At this point, the water vapor in the exhaust gas liquefies into liquid water, i.e., condensate.

[0003] Existing condensing gas water heaters produce condensate during operation. The common method is to install a drain outlet at the bottom of the water heater to drain the condensate. This requires connecting a plastic pipe to the bottom of the water heater during installation to a floor drain. If there is no floor drain at the installation location, a container must be placed at the water heater's location to temporarily store the condensate. This not only leads to easy dripping of condensate but also makes installation cumbersome and unsightly due to the additional piping. Summary of the Invention

[0004] In order to overcome at least one of the defects of the prior art, the present invention provides a novel condensing gas water heater, which can receive condensate through the first atomizing disc of the atomizing component, and drive the first atomizing disc to rotate through the atomizing drive component, so that the condensate in the atomizing area is thrown to multiple atomizing parts of the second atomizing disc. In this way, the condensate can be directly atomized, without the need to install additional water pipes to discharge the condensate, making installation convenient and the layout after installation relatively simple.

[0005] The technical solution adopted by this invention to solve its problem is: A new type of condensing gas water heater includes: The main body of the water heater includes a burner, a main heat exchanger, and a condensing heat exchanger, which are arranged in order from top to bottom. An atomizing assembly, comprising an atomizing housing, an atomizing mechanism, and an atomizing drive component, wherein the atomizing mechanism is disposed within the atomizing housing; The atomizing mechanism includes a first atomizing disk and a second atomizing disk. The first atomizing disk has an atomizing area for receiving water in its central region. The second atomizing disk has a plurality of atomizing parts, which are spaced apart in the circumferential direction of the second atomizing disk and surround the outer periphery of the atomizing area. The atomizing drive is driven to the first atomizing disk and is used to drive the first atomizing disk to rotate relative to the second atomizing disk; wherein, when the first atomizing disk rotates, it is used to centrifugally throw the water in the atomizing area and impact it onto the atomizing part of the second atomizing disk for atomization; A condensate pipe, one end of which is connected to the condenser heat exchanger, and the other end of which is connected to the atomization zone.

[0006] Furthermore, the first atomizing disc is provided with a windproof part, which surrounds the outer periphery of the atomizing area; the windproof part is provided in correspondence with a plurality of atomizing parts.

[0007] Furthermore, the windproof portion includes a windproof groove that extends circumferentially along the first atomizing disc; the atomizing portion of the second atomizing disc extends downward and at least partially extends into or directly opposite the windproof groove. The atomization zone is provided with a flow-guiding surface, which gradually slopes downward from the outside to the inside.

[0008] Furthermore, the atomizing zone is provided with a plurality of first guide vanes, which are distributed at intervals around the atomizing zone in the circumferential direction and are used to guide the water flow outward when the first atomizing disc rotates; The first drainage blade extends in a spiral shape from the inside out.

[0009] Furthermore, the atomizing zone is also provided with a plurality of second guide vanes; a second guide vane is provided between two adjacent first guide vanes, and the second guide vane is located at the outward end of the first guide vane.

[0010] Furthermore, the atomizing section includes atomizing blades that extend in a spiral direction, the spiral direction of which is opposite to that of the first drainage blade.

[0011] Furthermore, the main body of the water heater includes a water collector and a first water pipe; the water collector includes a water collecting shell and a partition, the partition is disposed in the inner cavity of the water collecting shell, and divides the inner cavity of the water collecting shell into a first cavity segment and a second cavity segment; one end of the partition is connected to the bottom wall of the inner cavity of the water collecting shell, and the other end of the partition is spaced apart from the top wall of the inner cavity of the water collecting shell to form a flow guiding interval, the first cavity segment is connected to the second cavity segment through the flow guiding interval; The water collection shell is provided with a first water inlet and a first water outlet; wherein, the first water inlet is connected to the top of the first cavity section and is connected to the condenser heat exchanger through a first water pipe; the first water outlet is connected to the top of the second cavity section; the condensate water pipe is connected to the first water outlet; The first water pipe is equipped with a neutralization box, which is filled with an alkaline substance for neutralizing acidic condensate.

[0012] Furthermore, at least two liquid level detectors are provided in the second cavity, and the at least two liquid level detectors are distributed at intervals in the vertical direction of the second cavity; The bottom of the water collector is provided with a drain outlet, which is connected to the second cavity section.

[0013] Furthermore, the atomizing housing is provided with an atomizing chamber and a guide groove. The atomizing chamber has a second water inlet, a second water outlet, a first air inlet and a first air outlet. The second water inlet is connected to the condensate pipe, and the second water outlet is connected to the first water inlet through a second water pipe. The guide channel extends circumferentially along the atomizing chamber and communicates with the second water outlet; The first air inlet is connected to the condenser heat exchanger, and the first air outlet is connected to the outside.

[0014] Furthermore, the condensing heat exchanger includes a heat exchange shell and a heat exchange tube. The heat exchange shell is inclinedly disposed above the main heat exchanger. The heat exchange tube is installed in the inner cavity of the heat exchange shell. The heat exchange tube is provided with heat exchange patterns, which extend along the axial direction of the heat exchange tube and are arranged around the outer circumferential surface of the heat exchange tube. The heat exchange shell is provided with a guide plate, a second air inlet and a second air outlet. The second air outlet is connected to the atomizing shell and the second air inlet is connected to the main heat exchanger. The guide plate is connected to the end wall of the second air inlet and extends along the extension direction of the heat exchange tube to guide the flue gas to flow into the heat exchange tube.

[0015] In summary, the novel condensing gas water heater provided by this invention has the following technical effects: During operation, the condensate water generated by the heat exchanger in the condensing heat exchanger is discharged through the condensate water pipe to the atomization zone of the first atomizing disc. Driven by the atomizing drive, the first atomizing disc rotates at high speed. The condensate water in the atomization zone is rapidly thrown towards multiple atomizing parts surrounding the atomization zone by centrifugal force, so that the condensate water collides violently with the atomizing parts, is broken and atomized into atomized water droplets, so that the condensate water can finally diffuse into the external environment in a mist form through the flue or other outlets on the main body of the water heater.

[0016] Thus, compared to traditional gas water heaters, there is no need to lay additional condensate drain pipes, which not only simplifies the installation process and reduces the difficulty of installation, but also makes the structural layout after installation simpler. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the atomizing component of the present invention; Figure 3 This is an exploded view of the atomizing component of the present invention; Figure 4 This is an exploded view of the atomizing component of the present invention; Figure 5 This is a cross-sectional view of the atomizing mechanism of the present invention; Figure 6 This is a schematic diagram of the structure of the first atomizing disc of the present invention; Figure 7 This is a schematic diagram of the structure of the second atomizing disc of the present invention; Figure 8 This is a schematic diagram of the structure of the atomizing shell of the present invention; Figure 9 This is a schematic diagram of the water collector of the present invention; Figure 10 This is a schematic diagram of the condenser heat exchanger of the present invention; Figure 11 This is a schematic diagram of the structure of the condenser heat exchanger of the present invention from another perspective; Figure 12 This is an exploded view of the heat exchange tube structure of the present invention.

[0019] The meanings of the reference numerals in the attached figures are as follows: 10. Water heater body; 11. Burner; 12. Main heat exchanger; 13. Condensing heat exchanger; 131. Heat exchange shell; 1311. Second air inlet; 1312. Second air outlet; 1313. Guide plate; 1314. Condensate outlet; 132. Heat exchange tube; 1321. Heat exchange pattern; 14. Water collector; 141. Water collection shell; 1411. First chamber section; 1412. Second chamber section; 1413. First water inlet; 1414. First water outlet; 1415. Drain outlet; 142. Baffle plate; 1421. Flow guide interval; 15. First water pipe; 16. Second water pipe; 17. Neutralization box; 20. Atomizing assembly; 21. Atomizing housing; 211. Atomizing chamber; 2111. Second water inlet; 2112. Second water outlet; 2113. First air inlet; 2114. First air outlet; 212. Guide groove; 22. Atomizing mechanism; 221. First atomizing disc; 2211. Atomizing area; 2212. Windproof part; 2213. Guide surface; 2214. First guide blade; 2215. Second guide blade; 222. Second atomizing disc; 2221. Atomizing part; 2222. Atomizing blade; 23. Atomizing drive component; 30. Condensate drain pipe; 31. Water pump; 40. Liquid level detector. Detailed Implementation

[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0021] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing the invention and its embodiments, and are not intended to limit the indicated devices, elements, or components to having a specific orientation, or to be constructed and operated in a specific orientation.

[0022] Furthermore, some of the aforementioned terms, besides indicating direction or positional relationships, may also have other meanings. For example, the term "above" may, in certain circumstances, indicate a dependency or connection. Those skilled in the art can understand the specific meaning of these terms in this invention based on the specific circumstances.

[0023] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this invention based on the specific circumstances.

[0024] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, components, or parts (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, components, or parts. Unless otherwise stated, "a plurality of" means two or more.

[0025] The technical solution of the present invention will be further described below with reference to the embodiments and accompanying drawings.

[0026] See Figures 1 to 12 The present invention discloses a novel condensing gas water heater, including a water heater body 10, an atomizing component 20 and a condensate pipe 30. The water heater body 10 includes a burner 11, a main heat exchanger 12 and a condensing heat exchanger 13, which are arranged in order from top to bottom. The atomizing assembly 20 includes an atomizing housing 21, an atomizing mechanism 22, and an atomizing drive 23. The atomizing housing 21 is installed above the condenser heat exchanger 13, and the atomizing mechanism 22 is disposed inside the atomizing housing 21. Specifically, the atomizing mechanism 22 includes a first atomizing disk 221 and a second atomizing disk 222. The first atomizing disk 221 has an atomizing area 2211 for receiving water in its central region. The second atomizing disk 222 has a plurality of atomizing parts 2221, which are spaced apart in the circumference of the second atomizing disk 222 and surround the outer periphery of the atomizing area 2211. Additionally, one end of the condensate pipe 30 is connected to the condensate outlet 1314 of the condenser heat exchanger 13, and the other end extends into the atomizing housing 21 and connects to the atomizing zone 2211, allowing condensate to be discharged into the atomizing zone 2211. Simultaneously, the atomizing drive 23 is connected to the first atomizing disc 221 to drive the first atomizing disc 221 to rotate relative to the second atomizing disc 222. When the first atomizing disc 221 rotates, it centrifugally flings the water in the atomizing zone 2211 and impacts multiple atomizing sections 2221 of the second atomizing disc 222 for atomization.

[0027] Based on the above structure, since the condensing heat exchanger 13, the main heat exchanger 12, and the burner 11 are arranged vertically from top to bottom, when the water heater is running, the high-temperature flue gas generated by the burner 11 first flows upward and contacts the main heat exchanger 12 located above the burner 11. At this time, cold water to be heated flows inside the heat exchange structure (such as heat exchange copper tubes) of the main heat exchanger 12. The water is heated by exchanging heat with the outer wall of the heat exchange structure through the high-temperature flue gas generated by the burner 11.

[0028] Afterward, the low-temperature flue gas continues to flow upward through the main heat exchanger 12 and enters the condensing heat exchanger 13 located above the main heat exchanger 12. At this time, low-temperature cold water from the tap flows through the condensing heat exchanger 13. The low-temperature cold water undergoes secondary heat exchange with the flue gas, and the heat of the flue gas is absorbed by the cold water, thereby preheating the temperature of the cold water. Then, it flows into the main heat exchanger 12 for heating. In this way, the cold water preheated by the condensing heat exchanger 13 only needs to absorb less heat to reach the target temperature after entering the main heat exchanger 12. This allows the water heater to quickly heat the water to the target temperature during operation and makes the operation more energy-efficient.

[0029] During the heat exchange process described above, condensate is generated when the flue gas in the main heat exchanger 12 enters the condensing heat exchanger 13 and undergoes secondary heat exchange with the low-temperature cold water. This condensate can then be guided through the condensate pipe 30 at the condensate outlet 1314 on the condensing heat exchanger 13 to the atomization zone 2211 of the first atomizing plate 221. Alternatively, a water pump 31 can be installed on the condensate pipe 30 to drive the water to flow rapidly to the atomization zone 2211.

[0030] After the condensate is discharged into the atomization zone 2211 of the first atomizing disc 221, the user or the system can control the atomization drive 23 to rotate the first atomizing disc 221 at high speed. The condensate in the atomization zone 2211 rotates synchronously with the first atomizing disc 221 and is thrown outwards at high speed under centrifugal force. Simultaneously, because the multiple atomizing sections 2221 of the second atomizing disc 222 are arranged at intervals and surround the atomization zone 2211, the high-speed water flow collides with the atomizing sections 2221. After being broken up by the collision, the water is atomized into tiny water droplets that are discharged outwards. These droplets can quickly disperse and vaporize in the air, and are then discharged into the external environment through the exhaust port of the atomizing housing 21 and the exhaust port of the water heater, without causing any adverse effects on the surrounding environment.

[0031] Since the condensate water guided by the condensate pipe 30 can be concentrated in the first atomizing plate 221 for atomization, no additional discharge path is required. Therefore, the condensing gas water heater in this application does not require an external ground drain or water collection tank or other auxiliary drainage devices. The condensate pipe 30 can be directly built into the main body of the water heater, which not only simplifies the installation process and reduces the installation difficulty, but also makes the structural layout more concise after installation.

[0032] It should be noted that the atomizing section 2221 mentioned above may include an atomizing column, an atomizing block, or an atomizing plate: When the atomizing section 2221 uses an atomizing column, the atomizing column can be a solid or hollow protruding columnar structure, fixed vertically or inclinedly to the surface of the second atomizing disk 222, and arranged around the outer periphery of the atomizing area 2211 after the second atomizing disk 222 and the first atomizing disk 221 are installed. When the water flow in the atomizing area 2211 is thrown out at high speed, it will impact the surface of the atomizing column in a radial divergence or axial impact manner; since the column is a three-dimensional structure, the water flow can form continuous impacts on multiple sides of the column in the circumference, increasing the collision frequency and contact area of ​​the water flow, thereby improving the atomization efficiency.

[0033] When the atomizing unit 2221 uses an atomizing block, the atomizing block is a block-shaped protruding structure. The side facing the water flow can be designed as a flat, inclined or polyhedral impact surface. Compared with the atomizing column, the atomizing block has a larger impact contact area, which can withstand more high-speed water flow and form a planar impact. After the water flow impacts, it will undergo secondary diffusion and breakup on the impact surface, effectively reducing the problem of local water flow concentration and ensuring the uniformity of the atomization effect.

[0034] When the atomizing section 2221 uses an atomizing plate, the atomizing plate has a thin sheet structure and can be porous or non-porous. It is installed parallel or inclined around the periphery of the second atomizing disk 222 and is located in the outer peripheral area of ​​the atomizing zone 2211. For non-porous atomizing plates, after the high-speed water flow impacts the surface of the plate, a thin liquid film is formed and extends along the plate. The liquid film ruptures under tension, forming fine droplets. For porous atomizing plates, after the water flow impacts the plate, some of the liquid flow passes through the micropores on the plate, forming secondary shearing and refining within the micropores, achieving a dual atomization effect and further improving the fineness of the droplets and the uniformity of atomization.

[0035] Furthermore, the first atomizing disc 221 is provided with a windproof part 2212, which is arranged in a ring around the outer periphery of the atomizing area 2211, and the windproof part 2212 is correspondingly arranged with a plurality of atomizing parts 2221.

[0036] Specifically, when the second atomizing disc 222 is installed above the first atomizing disc 221, the multiple atomizing parts 2221 on the second atomizing disc 222 are distributed vertically in correspondence with the windproof part 2212 of the first atomizing disc 221, and each atomizing part 2221 is located directly above the windproof part 2212.

[0037] When the first atomizing disc 221 enters the operating state, the wind deflector 2212 can cooperate with the multiple atomizing sections 2221 above to form an enclosed structure for the atomizing zone 2211, creating a relatively closed rotating chamber inside the atomizing zone 2211. In this state, when the condensed water in the atomizing zone 2211 is thrown outward by centrifugal force, it will first be blocked by the wind deflector 2212 and guided to the corresponding atomizing section 2221. This reduces the situation where condensed water escapes directly without atomization, allowing most of the condensed water to concentrate and impact the atomizing section 2221 to complete the atomization and improve the atomization rate and atomization effect of the condensed water.

[0038] Especially when applied to condensing gas water heaters, since the atomized water droplets are guided out by the exhaust fan, the airflow of the exhaust fan will also affect the atomization of the condensate. Therefore, a baffle 2212 is set up around the atomization zone 2211 to block the airflow of the exhaust fan from directly reaching the atomization zone 2211. This ensures that the water droplets thrown out of the atomization zone 2211 can only be guided to the atomization section 2221 for atomization and then discharged, thereby improving the atomization efficiency.

[0039] It should be noted that in this embodiment, the windbreak 2212 can be arranged around the annular protrusion on the outer periphery of the atomizing area 2211. The outer peripheral surface of the annular protrusion is a slope or an arc-shaped surface, and the height of the protrusion is adapted to the lower end position of the atomizing part 2221 of the second atomizing disk 222. The annular protrusion can cooperate with the atomizing part 2221 above to form an enclosed blocking structure for the atomizing area 2211. This can effectively reduce the direct disturbance of the exhaust fan airflow to the atomizing area 2211 and reduce the direct outward emission of condensate without atomization. At the same time, the slope or arc-shaped surface on its outer periphery can act as a guide surface. When the condensate is thrown to the protruding surface by centrifugal force, it can smoothly transition along the curved or sloped surface and be guided to the corresponding atomizing part 2221, so that the water flow can hit the atomizing part 2221 to complete the atomization. This improves the atomization efficiency while ensuring the uniformity of the atomization effect.

[0040] Of course, the windbreak section 2212 can be preferably designed in a segmented manner, consisting of multiple arc-shaped windbreak blocks arranged at intervals along the outer periphery of the atomizing area 2211, with the gaps between adjacent windbreak blocks corresponding one-to-one with the placement of the atomizing section 2221 of the second atomizing disc 222. During operation, after the condensate is blocked by the windbreak blocks, it can be directly guided to the corresponding atomizing section 2221 through the gaps, reducing ineffective collisions of water flow within the enclosure; at the same time, the interval structure can reduce the wind resistance when the atomizing disc rotates.

[0041] As an optional implementation method, see [link / reference]. Figure 4As shown, the windbreak portion 2212 also integrates a windbreak groove, which extends circumferentially along the first atomizing disc 221; and the atomizing portion 2221 of the second atomizing disc 222 extends downward and at least partially extends into or directly faces the windbreak groove. In this way, when the condensed water in the atomizing area 2211 is thrown into the windbreak groove area under the action of high-speed centrifugal force, it can directly and fully contact the atomizing portion 2221 extending into the groove and complete impact atomization, thereby improving atomization efficiency; at the same time, the groove wall of the windbreak groove can form a physical barrier, reducing the direct disturbance of the external exhaust fan airflow to the atomizing area 2211, ensuring the stability of the condensed water throwing trajectory, and further improving atomization efficiency.

[0042] In addition, the annular recessed structure formed by the windproof groove around the first atomizing disc 221 facilitates the downward discharge of condensed water. It can collect condensed water that is not fully atomized during the throwing process and concentrate it in the groove so that it can be atomized again as the first atomizing disc 221 continues to rotate, thereby reducing the residual condensed water rate and improving the overall atomization efficiency.

[0043] Meanwhile, the surface of the atomizing zone 2211 is also provided with a drainage surface 2213, which adopts a structure that gradually slopes downward from the outside to the inside, and can be made of inclined surface or conical surface, etc. When the condensate water transported by the condensate water pipe 30 is discharged into the atomizing zone 2211, it can quickly converge to the center of the atomizing zone 2211 under the action of gravity along the inclined drainage surface 2213; when the first atomizing disc 221 starts to rotate at high speed, the condensate water gathered at the center can form a strong and concentrated water jet under the action of centrifugal force, which is thrown towards the atomizing part 2221 to complete atomization. When the first atomizing disc 221 is not running, according to the natural law of water flowing downhill, the inclined drainage surface 2213 can make the condensate water stably retained in the middle of the atomizing zone 2211, effectively reducing the overflow and leakage of water.

[0044] As an optional implementation method, see [link / reference]. Figure 6 As shown, the atomizing zone 2211 is provided with multiple first guide vanes 2214; the multiple first guide vanes 2214 are used to guide the water flow outward when the first atomizing disk 221 rotates. Since the atomizing zone 2211 is provided with multiple first guide vanes 2214, when the first atomizing disk 221 rotates, the water flow in the atomizing zone 2211 is guided to flow from the inside to the outside along the first guide vanes 2214. The edges, protrusions or non-smooth surfaces of the first guide vanes 2214 will disturb the water flow, causing the water flow to change from a laminar flow state to a turbulent flow state. The momentum exchange of molecules inside the fluid is intensified, the stability of the water flow is destroyed, and it is easier for the water to collide and break at the outlet with the atomizing section 2221, thus resulting in higher atomization efficiency.

[0045] Meanwhile, the first guide vane 2214 extends spirally from the inside out. Because the first guide vane adopts a spiral design, when the water flows through the first guide vane 2214, it will be spirally guided along the spiral vane, with a certain rotational angular velocity, forming a composite flow field of axial forward and radial rotation. This can cause the rotating water flow to spread outward at the outlet due to centrifugal force, breaking the water flow's convergence state. When it impacts the atomizing part 2221, the water flow is more easily broken and atomized, thus making the atomization efficiency higher.

[0046] As an optional implementation method, see [link / reference]. Figure 7 As shown, the atomizing section 2221 includes atomizing blades 2222, which extend spirally. The spiral direction of the atomizing blades 2222 is opposite to that of the first guide blades 2214. After the water flow guided by the first guide blades flows spirally in one direction, it gains momentum for axial forward movement and positive rotation, forming a stable swirling flow field in one direction, with uniform tangential and radial velocity distribution within the water flow. After being thrown to the opposite spiral atomizing blades 2222, the swirling flow field thrown out by the water flow is opposite to the spiral direction of the atomizing blades 2222. Therefore, the high-speed water flow will generate a reverse torque on the atomizing blades 2222, forcing the water flow to reverse its spiral direction. During this process, a large number of reverse eddies and shear layers are formed inside the water flow, and the flow field stability is completely destroyed, allowing the water flow to be fully atomized.

[0047] As an optional implementation method, see [link / reference]. Figure 6 As shown, the atomizing zone 2211 is also provided with a plurality of second guide vanes 2215; a second guide vane 2215 is provided between two adjacent first guide vanes 2214, and the second guide vane 2215 is located at the outward end of the first guide vane 2214.

[0048] Because a second guide vane 2215 is provided between two adjacent first guide vanes 2214, and the second guide vane 2215 is located outside the first guide vane, that is, at the outlet position of the first guide vane 2214, the cross-sectional area of ​​the outlet channel between two adjacent first guide vanes 2214 is reduced due to the provision of the second guide vane 2215. The flow velocity of the water at this position will be significantly increased, resulting in a higher flow velocity of the water at this position. The high-speed water flow will form a greater pressure difference with the external low-pressure environment, and the atomization efficiency will be higher when it impacts the atomizing part 2221.

[0049] Furthermore, in this embodiment, the main body of the water heater includes a water collector 14 and a first water pipe 15; the water collector 14 includes a water collecting shell 141 and a partition 142, the partition 142 is disposed in the inner cavity of the water collecting shell 141, and divides the inner cavity of the water collecting shell 141 into a first cavity section 1411 and a second cavity section 1412; one end of the partition 142 is connected to the bottom wall of the inner cavity of the water collecting shell 141, and the other end of the partition 142 is spaced from the top wall of the inner cavity of the water collecting shell 141 to form a flow guiding interval 142. 1. The first cavity 1411 is connected to the second cavity 1412 through the flow guide interval 1421; at the same time, the water collection shell 141 is provided with a first water inlet 1413 and a first water outlet 1414; wherein, the first water inlet 1413 is connected to the top of the first cavity 1411 and is connected to the condenser heat exchanger 13 through the first water pipe 15; the first water outlet 1414 is connected to the top of the second cavity 1412; the condensate pipe 30 is connected to the first water outlet 1414.

[0050] Specifically, the first inlet 1413 is connected to the condensate outlet 1314 of the condensing heat exchanger 13 via a first water pipe 15, allowing condensate to flow into the first chamber 1411 through the first inlet 1413. Since the flow guide interval 1421 connecting the first chamber 1411 and the second chamber 1412 is located at the top of the partition 142, the condensate flowing into the first chamber 1411 must accumulate to the height of the top of the partition 142 before overflowing into the second chamber 1412. During this process, impurities carried in the condensate will naturally settle to the bottom of the first chamber 1411 under gravity; when the water level reaches the height of the flow guide interval 1421, the relatively clean upper layer of condensate will overflow into the second chamber 1412 through the flow guide interval 1421, thus completing the filtration of the condensate.

[0051] Impurities in the condensate entering the second chamber 1412 will settle again at the bottom of the second chamber 1412, while the relatively clean water in the upper layer will eventually be introduced into the atomization zone 2211 of the first atomizing plate 221 through the condensate pipe 30 connected to the first outlet 1414, and then enter the atomization mechanism 22 to complete the atomization process.

[0052] In this way, through the step-by-step sedimentation of the two chambers, the solid impurities in the condensate entering the condensate pipe 30 are effectively reduced, reducing the risk of blockage caused by impurities entering the subsequent pipeline. At the same time, the probability of damage to the water pump 31 connected to the pipeline caused by impurities is effectively reduced, thereby ensuring the stable operation of the entire structure.

[0053] In addition, a neutralization box 17 is provided on the first water pipe 15, and the neutralization box 17 is filled with an alkaline substance for neutralizing acidic condensate.

[0054] Specifically, when the acidic condensate produced by the condenser heat exchanger 13 flows through the first water pipe 15, it first enters the neutralization box 17 connected to the pipe, where it comes into full contact with the alkaline medium filled in the box and undergoes a neutralization reaction. This reaction can effectively neutralize the acidic substances in the condensate and adjust its pH value to the neutral range.

[0055] In this way, the neutralized condensate flows along the pipeline to the subsequent components, which can effectively reduce the corrosive effect of acidic substances on the internal pipes (such as the condensate pipe 30) or the first atomizing disc 221, atomizing shell 21 and other metal or plastic parts, and extend the service life of each component.

[0056] Furthermore, at least two liquid level detectors 40 are provided in the second cavity 1412, and the at least two liquid level detectors 40 are distributed at intervals in the vertical direction of the second cavity 1412; the bottom of the water collector 14 is provided with a drain outlet 1415, which is connected to the second cavity 1412.

[0057] Specifically, during setup, at least two liquid level detectors 40 are respectively assigned to the lowest water level threshold and the highest water level threshold in the second cavity 1412. One of the liquid level detectors 40 is used to monitor the lowest water level in the second cavity 1412. When the water level in the cavity is detected to be lower than the threshold, the user or the background system can stop the operation of the atomizing component 20, thereby reducing the situation where the atomizing drive 23 and the first atomizing disc 221 run idly or perform other invalid operations due to lack of water or insufficient water volume. Another liquid level detector 40 is used to monitor the highest water level in the second chamber 1412. When the water level in the chamber reaches the preset start-up water level threshold, the user or the background system can control the atomizing drive 23 to start and put it into atomizing operation state. If the water level continues to rise and exceeds the highest water level threshold, the drain port 1415 at the bottom of the water collector 14 can be opened to discharge the condensate in the second chamber 1412 in time, thereby effectively reducing the risk of water overflow caused by the condensate generation rate being greater than the atomization rate and the water level in the chamber being too high.

[0058] Of course, three or four level detectors 40 can be set, one of which can be used to detect the high water level threshold of the second chamber 1412. When the high water level threshold is detected, the user can also choose to increase the power of the atomization drive pump, speed up the rotation speed of the first atomization disk 221, improve the atomization efficiency, and enable the condensate to be atomized quickly.

[0059] It should be noted that the liquid level detector 40 in this embodiment can be an existing photoelectric liquid level sensor or a float-type liquid level sensor, etc., for detecting liquid level. The specific implementation of liquid level detection is existing technology and will not be described in detail here.

[0060] Furthermore, the atomizing housing 21 is provided with an atomizing chamber 211 and a guide channel 212. The atomizing chamber 211 has a second water inlet 2111, a second water outlet 2112, a first air inlet 2113, and a first air outlet 2114. The second water inlet 2111 is connected to the condensate pipe 30, and the second water outlet 2112 is connected to the first water inlet 1413 through the second water pipe 16. The guide channel 212 extends circumferentially along the atomizing chamber 211 and is connected to the second water outlet 2112. The first air inlet 2113 is connected to the condenser heat exchanger 13, and the first air outlet 2114 is connected to the outside.

[0061] Specifically, during assembly, the second water inlet 2111 is located at the top of the atomizing housing 21 to connect to the end of the condensate pipe 30, while the second water outlet 2112 is located at the bottom of the atomizing housing 21 to connect to the inlet of the second water pipe 16. Thus, when condensate is transported through the second water inlet 2111 and the condensate pipe 30 to the atomizing area 2211 of the first atomizing disc 221, atomization is completed under the synergistic action of the atomizing sections 2221 of the first atomizing disc 221 and the second atomizing disc 222. During this process, if some incompletely atomized condensate drips to the bottom of the atomizing chamber 211 due to gravity, this residual condensate will automatically flow into the lower-positioned guide channel 212 under the guidance of gravity and the guide channel 212.

[0062] Since the guide channel 212 extends circumferentially along the atomizing chamber 211, it can collect residual condensate and then guide it to the second outlet 2112. It is then transported to the water collector 14 through the second water pipe 16 and finally enters the atomizing zone 2211 again through the condensate pipe 30 to participate in secondary atomization. This can minimize the amount of residual condensate in the atomizing chamber 211 and improve the overall atomization efficiency.

[0063] Meanwhile, since the first air inlet 2113 is connected to the exhaust end of the condenser heat exchanger 13, and the first air outlet 2114 is connected to the external environment, the secondary utilization flue gas that has completed waste heat recovery in the condenser heat exchanger 13 can enter the atomization chamber 211 through the first air inlet 2113. The flue gas entering the atomization chamber 211 will be discharged to the external environment together with the atomized gaseous water droplets through the first air outlet 2114. Therefore, there is no need to add an independent exhaust pipe, and the coordinated emission of flue gas and atomized water droplets is realized, simplifying the overall pipeline structure of the equipment and making the layout more concise after installation.

[0064] As an optional implementation method, see [link / reference]. Figures 10 to 12In this embodiment, the condenser heat exchanger 13 includes a heat exchange shell 131 and a heat exchange tube 132. The heat exchange shell 131 is inclined above the main heat exchanger 12, so that the entire heat exchange shell 131 is inclined from top to bottom toward the condensate outlet 1314 on the heat exchange shell 131. This makes it easier for the condensate to flow toward the lower condensate outlet 1314 under the action of gravity, and to be more easily discharged to the outside of the heat exchange shell 131, reducing the problem of condensate residue.

[0065] In addition, heat exchange tube 132 is installed in the inner cavity of heat exchange shell 131. Heat exchange grooves 1321 are provided on heat exchange tube 132, and the heat exchange grooves 1321 extend along the axial direction of heat exchange tube 132 and are spirally wound around the entire outer circumference of heat exchange tube 132 to form a threaded structure. When the condenser heat exchanger 13 is working, the low-temperature flue gas after combustion flows from top to bottom through the outer wall of heat exchange tube 132. The setting of heat exchange grooves 1321 increases the contact area between heat exchange tube 132 and flue gas, which can effectively improve the heat exchange area compared with a smooth tube wall.

[0066] At the same time, the low-temperature cold water flowing inside the heat exchange tube 132 exchanges heat with the tube wall, fully absorbing the heat in the flue gas and maximizing the recovery of waste heat from the flue gas. Without increasing the volume of the heat exchanger, the heat exchange efficiency of the condensing heat exchanger 13 can be effectively improved.

[0067] It should be noted that, in addition to the above-mentioned threaded structure, the heat exchange pattern 1321 in this embodiment can also be annular protrusions extending radially along the heat exchange tube 132, arranged at equal or variable intervals on the outer periphery of the tube wall; or fins or tooth-shaped protrusions distributed at intervals along the axial direction of the heat exchange tube 132, so that irregular protrusion patterns are formed on the outer periphery of the heat exchange tube 132, thereby increasing the overall heat exchange area.

[0068] More specifically, the heat exchange shell 131 is also provided with a guide plate 1313, a second air inlet 1311, and a second air outlet 1312. The second air outlet 1312 is located at the end of the heat exchange shell 131 furthest from the second air inlet 1311 and is connected to the atomizing shell 21, forming a downstream emission path for the flue gas. The second air inlet 1311 is sealed to the exhaust end of the main heat exchanger 12 to receive the high-temperature flue gas discharged from the main heat exchanger 12. One end of the guide plate 1313 is connected to the end wall of the second air inlet 1311, and the other end extends in the same direction as the heat exchange tube 132.

[0069] Based on the aforementioned basic structure, the guide plate 1313 can be an arc-shaped or inclined plate segment, which is semi-enclosed and covers the outside of the second air inlet 1311, with the enclosed opening facing the extension direction of the heat exchange tube 132. When the high-temperature flue gas enters the heat exchange shell 131 through the second air inlet 1311, its flow direction is restricted by the semi-enclosed guide plate 1313, forcing it to smoothly enter the heat exchange area from the initial end of the heat exchange tube 132 (the end closest to the second air inlet 1311). Under the continuous guiding effect of the guide plate 1313, the flue gas will not diffuse randomly or short-circuit, but will flow smoothly from the initial end to the end of the heat exchange tube 132 (the end closest to the second air outlet 1312) along the extension direction of the heat exchange tube 132.

[0070] During this process, the flue gas can fully contact the outer surface of the heat exchange tube 132, which not only prolongs the residence time of the flue gas in the heat exchange area, but also enables the heat of the flue gas to be efficiently transferred to the internal medium of the heat exchange tube 132, maximizing the waste heat utilization efficiency of the flue gas. After the flue gas has completed sufficient heat exchange, it is discharged into the atomizing shell 21 through the second outlet 1312, where it mixes with the atomized water droplets and is discharged together. This optimizes the utilization process of the flue gas, further improves the overall heat exchange efficiency of the entire heat exchange system, and ensures the stability and continuity of the flue gas flow.

[0071] The technical means disclosed in this invention are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principles of this invention, and these improvements and modifications are also considered within the scope of protection of this invention.

Claims

1. A novel condensing gas water heater, characterized in that, include: The water heater body (10) includes a burner (11), a main heat exchanger (12) and a condensing heat exchanger (13), which are arranged in order from top to bottom. Atomizing assembly (20), the atomizing assembly (20) includes an atomizing housing (21), an atomizing mechanism (22) and an atomizing drive (23), the atomizing mechanism (22) being disposed inside the atomizing housing (21); The atomizing mechanism (22) includes a first atomizing disk (221) and a second atomizing disk (222). The first atomizing disk (221) has an atomizing area (2211) for receiving water in its central area. The second atomizing disk (222) has a plurality of atomizing parts (2221). The plurality of atomizing parts (2221) are distributed at intervals in the circumferential direction of the second atomizing disk (222), and the plurality of atomizing parts (2221) surround the outer periphery of the atomizing area (2211). The atomizing drive (23) is driven to connect with the first atomizing disk (221) and is used to drive the first atomizing disk (221) to rotate relative to the second atomizing disk (222); wherein, when the first atomizing disk (221) rotates, it is used to centrifugally throw the water in the atomizing area (2211) and impact it onto the atomizing part (2221) of the second atomizing disk (222) for atomization; A condensate pipe (30) is provided, one end of which is connected to the condenser heat exchanger (13), and the other end of which is connected to the atomization zone (2211).

2. The novel condensing gas water heater as described in claim 1, characterized in that, The first atomizing disc (221) is provided with a windproof part (2212), which surrounds the outer periphery of the atomizing area (2211); the windproof part (2212) is provided in correspondence with a plurality of atomizing parts (2221).

3. The novel condensing gas water heater as described in claim 2, characterized in that, The windproof portion (2212) includes a windproof groove that extends circumferentially along the first atomizing disc (221); the atomizing portion (2221) of the second atomizing disc (222) extends downward and at least partially extends into or directly opposite the windproof groove. The atomizing zone (2211) is provided with a drainage surface (2213), which gradually slopes downward from the outside to the inside.

4. The novel condensing gas water heater as described in claim 1, characterized in that, The atomizing zone (2211) is provided with a plurality of first guide vanes (2214). The plurality of first guide vanes (2214) are distributed at intervals around the atomizing zone (2211) in the circumferential direction, and are used to guide the water flow outward when the first atomizing disc (221) rotates. The first drainage blade (2214) extends in a spiral shape from the inside out.

5. The novel condensing gas water heater as described in claim 4, characterized in that, The atomizing zone (2211) is also provided with a plurality of second guide vanes (2215); a second guide vane (2215) is provided between two adjacent first guide vanes (2214), and the second guide vane (2215) is located at the outward end of the first guide vane (2214).

6. The novel condensing gas water heater as described in claim 4, characterized in that, The atomizing section (2221) includes an atomizing blade (2222), which extends in a spiral shape and the spiral direction of the atomizing blade (2222) is opposite to that of the first guide blade (2214).

7. The novel condensing gas water heater as described in claim 1, characterized in that, The main body (10) of the water heater includes a water collector (14) and a first water pipe (15); the water collector (14) includes a water collection shell (141) and a partition (142), the partition (142) is disposed in the inner cavity of the water collection shell (141) and divides the inner cavity of the water collection shell (141) into a first cavity section (1411) and a second cavity section (1412); one end of the partition (142) is connected to the bottom wall of the inner cavity of the water collection shell (141), and the other end of the partition (142) is spaced from the top wall of the inner cavity of the water collection shell (141) to form a flow guiding interval (1421), and the first cavity section (1411) is connected to the second cavity section (1412) through the flow guiding interval (1421); The water collection shell (141) is provided with a first water inlet (1413) and a first water outlet (1414); wherein, the first water inlet (1413) is connected to the top end of the first cavity section (1411) and is connected to the condenser heat exchanger (13) through a first water pipe (15); the first water outlet (1414) is connected to the top end of the second cavity section (1412); the condensate pipe (30) is connected to the first water outlet (1414); The first water pipe (15) is provided with a neutralization box (17), which is filled with an alkaline substance for neutralizing acidic condensate.

8. The novel condensing gas water heater as described in claim 7, characterized in that, The second cavity (1412) is provided with at least two liquid level detectors (40), and the at least two liquid level detectors (40) are distributed at intervals in the vertical direction of the second cavity (1412); The bottom of the water collector (14) is provided with a drain port (1415), which is connected to the second cavity section (1412).

9. The novel condensing gas water heater as described in claim 7, characterized in that, The atomizing housing (21) is provided with an atomizing chamber (211) and a guide groove (212). The atomizing chamber (211) has a second water inlet (2111), a second water outlet (2112), a first air inlet (2113) and a first air outlet (2114). The second water inlet (2111) is connected to the condensate pipe (30), and the second water outlet (2112) is connected to the first water inlet (1413) through a second water pipe (16). The guide channel (212) extends circumferentially along the atomizing chamber (211) and communicates with the second water outlet (2112); The first air inlet (2113) is connected to the condenser heat exchanger (13), and the first air outlet (2114) is connected to the outside.

10. The novel condensing gas water heater as described in any one of claims 1-9, characterized in that, The condenser heat exchanger (13) includes a heat exchange shell (131) and a heat exchange tube (132). The heat exchange shell (131) is inclinedly disposed above the main heat exchanger (12). The heat exchange tube (132) is installed in the inner cavity of the heat exchange shell (131). The heat exchange tube (132) is provided with heat exchange grooves (1321), which extend along the axial direction of the heat exchange tube (132) and are arranged around the outer circumferential surface of the heat exchange tube (132). The heat exchange shell (131) is provided with a guide plate (1313), a second air inlet (1311) and a second air outlet (1312). The second air outlet (1312) is connected to the atomizing shell (21), and the second air inlet (1311) is connected to the main heat exchanger (12). The guide plate (1313) is connected to the end wall of the second air inlet (1311) and extends along the extension direction of the heat exchange tube (132) to guide the flue gas to flow to the heat exchange tube (132).

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