Condensing gas water heater
By integrating the condensate treatment device with the water storage tank and using a water pump system controlled by a water level sensor, the problem of the complex structure of condensing gas water heaters is solved, achieving efficient condensate treatment and simplified installation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- FOSHAN SHUNDE JINMEIDA IND CO LTD
- Filing Date
- 2025-08-05
- Publication Date
- 2026-07-24
AI Technical Summary
Existing condensing gas water heaters have a complex structure, with the neutralizer and storage tank installed separately, making installation inconvenient.
The condensate treatment device is integrated with the water storage tank. It uses components such as shell, treatment basket, top cover, water inlet pipe, water outlet pipe and water level sensor to achieve integrated condensate treatment and water storage. The water pump is controlled by the water level sensor, and the atomizing nozzle sprays out the treated water mist.
It achieves efficient treatment and integrated water storage of condensate, simplifies the installation process, and improves assembly convenience.
Smart Images

Figure CN224551782U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a condensing gas water heater. Background Technology
[0002] The existing technology, Chinese patent 202321650359.4, describes a condensing gas water heater that includes a neutralizer, an inlet pipe, a storage tank, a water pump, and a drain pipe. The neutralizer is connected to the inlet pipe and positioned below the condensate box inside the casing of the condensing gas water heater; the neutralizer is also connected to the storage tank above it; the first end of the drain pipe extends into the storage tank, and the water pump is installed on the drain pipe to discharge the condensate in the storage tank to the outside of the casing. The problem is that the structure is complex, with the neutralizer and storage tank being separate components. Utility Model Content
[0003] The purpose of this utility model is to provide a condensing gas water heater that integrates water treatment and water storage, and is easy to install.
[0004] This utility model is implemented as follows: A condensing gas water heater includes a fan, a combustion chamber, a burner, a heat exchanger, a condensing box, a condenser, and a smoke hood. The condensing box is provided with a condensate drain interface, and the condenser is located inside the condensing box. The smoke hood, condensing box, and heat exchanger are arranged sequentially from top to bottom. Its special feature is that it also includes a condensate treatment device. The condensate drain interface is connected to the condensate treatment device, and the condensate is treated and discharged by the condensate treatment device.
[0005] The condensing gas water heater described above is characterized in that: the condensate treatment device includes a shell with an open top, a treatment basket, a top cover, an inlet pipe, a drain pipe, and a water level sensor.
[0006] It also includes a water pump and atomizing nozzles.
[0007] The shell includes an inlet / outlet water chamber, a basket cavity, and a water level detection cavity, which are connected in sequence;
[0008] The inlet pipe, outlet pipe, and water level sensor are located on the top cover plate. The processing basket is fitted into the basket cavity and is detachable. The top cover plate is fastened to the housing. The water level sensor extends into the water level detection cavity, and the inlet pipe and outlet pipe extend into the inlet and outlet water cavities. The atomizing nozzle is located inside the smoke collection hood. The water pump inlet end is connected to the outlet pipe, and the outlet end is connected to the atomizing nozzle through a water guide pipe.
[0009] The condensing gas water heater is characterized in that a drain port is provided at the bottom of the water level detection chamber.
[0010] The condensing gas water heater described above is characterized in that: the condensate treatment device includes a shell with an open top, a treatment basket, a top cover plate, and a water inlet pipe.
[0011] The shell includes an inlet chamber, a basket chamber, and an outlet chamber that are connected in sequence, and the bottom of the outlet chamber is provided with a drain port;
[0012] The water inlet pipe is located on the top cover plate, and the treatment basket is fitted into the basket cavity and can be disassembled; the top cover plate is fastened to the shell, and the water inlet pipe extends into the water inlet cavity.
[0013] The condensing gas water heater is characterized in that: the condensing box includes a bottom-opening smoke inlet chamber, a longitudinal smoke guiding chamber, and a condensing chamber; the bottom plate of the condensing chamber has an upward angle; and the condensing drain interface is provided on the end plate of the condensing chamber.
[0014] It also includes an angled smoke guide plate, which includes an inclined smoke guide plate portion and a vertical partition portion;
[0015] The inclined smoke guide plate is fixed to the top plate of the smoke collection hood, and the vertical partition plate extends from the smoke collection hood. The upper part of the inclined smoke guide plate and the vertical partition plate divides the smoke collection hood into an inlet smoke guide chamber and an outlet smoke guide chamber. The condenser is located in the condensation chamber. The upper ends of the smoke collection hood and the condenser box are fastened and fixed. The vertical partition plate is inserted between the heat exchange tubes of the condenser to divide the condensation chamber into a front condensation chamber and a rear condensation chamber. The longitudinal smoke guide chamber, the inlet smoke guide chamber, the front condensation chamber, the rear condensation chamber, and the outlet smoke guide chamber are connected in sequence.
[0016] This utility model discloses a condensing gas water heater, which integrates water treatment and water storage into one unit due to its structure, making assembly convenient. Attached Figure Description
[0017] Figure 1 This is the front view of this utility model.
[0018] Figure 2 yes Figure 1 AA view.
[0019] Figure 3 This is a perspective view of the present invention.
[0020] Figure 4 This is a partial exploded perspective view of this utility model.
[0021] Figure 5 This is a perspective view of the water treatment device of this utility model.
[0022] Figure 6 This is a cross-sectional view of the water treatment device of this utility model.
[0023] Figure 7 This is one of the exploded perspective views of the water treatment device of this utility model.
[0024] Figure 8 This is the second exploded perspective view of the water treatment device of this utility model. Detailed Implementation
[0025] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.
[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0027] Example 1
[0028] like Figure 1 , Figure 2 As shown, a condensing gas water heater includes a fan 1, a combustion chamber 2, a burner (not shown in the figure), a heat exchanger 3, a condensing box 4, a condenser 5, and a smoke hood 6. The condensing box 4 is provided with a condensing drain interface 41. The condenser 5 is located inside the condensing box 4. The smoke hood 6, the condensing box 4, the heat exchanger 3, and the combustion chamber 2 are arranged sequentially from top to bottom.
[0029] It also includes a condensate treatment device 7, and the condensate drain interface 41 is connected to the condensate treatment device 7, and the condensate is treated by the condensate treatment device 7 and then discharged.
[0030] like Figure 5 , Figure 6 , Figure 7 As shown, the condensate treatment device 7 includes a housing 71 with an upper opening, a treatment basket 72, a top cover plate 73, a water inlet pipe 74, a drain pipe 75, and a water level sensor 76.
[0031] It also includes a water pump 8 and an atomizing nozzle (not shown in the figure).
[0032] The housing 71 includes an inlet / outlet water chamber 711, a basket cavity 712, and a water level detection chamber 713, which are connected in sequence. The upper part of the water level detection chamber 713 is connected to the basket cavity 712. The inlet / outlet water chamber 711 has a water storage function. The condensate treatment device 7 has water purification and water storage functions.
[0033] The inlet pipe 74, the outlet pipe 75, and the water level sensor 76 are mounted on the top cover plate 73. The processing basket 72 is fitted into the basket cavity 712 and is detachable. The top cover plate 73 is fastened to the housing 71. The water level sensor 76 extends into the water level detection cavity 713. The inlet pipe 74 and the outlet pipe 75 extend into the inlet and outlet water cavities 711. The atomizing nozzle is mounted inside the smoke collection hood 6. The water pump 8 has its inlet end connected to the outlet pipe 75 and its outlet end connected to the atomizing nozzle through the water guide pipe 9.
[0034] like Figure 8 As shown, the processing basket 72 includes a basket body 721 with an upper opening and a basket cover 722. The basket cover 722 and the basket body 721 are detachable and can be easily replaced with processing materials.
[0035] With this design, the condensate produced by the condenser enters the inlet / outlet water chamber 711 through the condensate drain port 41 and the inlet pipe 74 of the condenser box 4, and finally enters the basket cavity for treatment by the treatment basket 72. As the water level in the basket cavity rises, after the water level reaches a certain height, the treated water enters the water level detection chamber 713. The water level sensor 76 transmits the water level signal to the control device, the water pump works, and the treated condensate is sprayed out by the atomizing nozzle through the drain pipe 75, the water pump and the water guide pipe 9. The water mist sprayed by the atomizing nozzle is discharged together with the flue gas.
[0036] like Figure 2 As shown, the condenser box 4 includes a bottom-opening smoke inlet chamber 41, a longitudinal smoke guiding chamber 42, and a condenser chamber 43. The bottom plate of the condenser chamber 43 has an upward angle α, and the condenser drain interface 41 is provided on the end plate of the condenser chamber 43.
[0037] It also includes an angled smoke guide plate 10, which includes an inclined smoke guide plate portion 101 and a vertical partition portion 102;
[0038] The inclined smoke guide plate 101 is fixed to the top plate of the smoke collection hood 6, and the vertical partition plate 102 extends from the smoke collection hood 6. The upper parts of the inclined smoke guide plate 101 and the vertical partition plate 102 divide the smoke collection hood 6 into an inlet smoke guide chamber 61 and an outlet smoke guide chamber 62. The condenser 5 is located in the condensation chamber 43. The upper ends of the smoke collection hood 6 and the condenser box 4 are fastened and fixed. The vertical partition plate 102 is inserted between the heat exchange tubes of the condenser 5, dividing the upper part of the condensation chamber 43 into a front condensation chamber 431 and a rear condensation chamber 432. The front condensation chamber 431 and the rear condensation chamber 432 are connected through the bottom of the condensation chamber 43. The inlet smoke chamber 41, the longitudinal smoke guide chamber 42, the inlet smoke guide chamber 61, the front condensation chamber 431, the rear condensation chamber 432 and the outlet smoke guide chamber 62 are connected in sequence. Finally, the flue gas is discharged from the exhaust pipe on the smoke collection hood 6.
[0039] The atomizing nozzle is located inside the smoke outlet chamber 62.
[0040] As a further improvement of this utility model: the bottom of the water level detection cavity 713 is provided with a drainage interface 7131, and a shut-off valve is provided on the drainage interface 713. When the water pump or water level sensor fails, the shut-off valve is opened to automatically drain the water.
[0041] Example 2
[0042] The condensate treatment device 7 includes a housing 71 with an upper opening, a treatment basket 72, a top cover 73, and a water inlet pipe 74.
[0043] The housing 71 includes an inlet chamber, a basket chamber 712, and an outlet chamber, which are connected in sequence. The bottom of the outlet chamber is provided with a drain port, and the upper part of the outlet chamber is connected to the basket chamber 712. With this structure, a certain water level is maintained in the basket chamber, and the condensate is fully treated.
[0044] The inlet pipe 74 is located on the top cover plate 73. The treatment basket 72 is fitted into and detachable from the basket cavity 712. The top cover plate 73 is fastened to the shell 71, and the inlet pipe 74 extends into the inlet cavity. With this structure, the condensate generated by the condenser enters the inlet cavity through the condensate drain port 41 of the condenser box 4 and the inlet pipe 74, and then enters the basket cavity. When the water level in the inlet cavity and the basket cavity reaches a certain height, the treated water enters the drain cavity from the basket cavity and is discharged through the drain port.
[0045] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.
Claims
1. A condensing gas water heater, comprising a fan, a combustion chamber, a burner, a heat exchanger, a condensing box, a condenser, and a smoke hood, wherein the condensing box is provided with a condensate drain interface, the condenser is disposed inside the condensing box, and the smoke hood, condensing box, and heat exchanger are arranged sequentially from top to bottom; characterized in that: It also includes a condensate treatment device, with a condensate drain interface connected to the condensate treatment device, and the condensate is treated by the condensate treatment device before being discharged. The condensate treatment device includes a shell with an open top, a treatment basket, a top cover, an inlet pipe, a drain pipe, and a water level sensor. It also includes a water pump and atomizing nozzles. The shell includes an inlet / outlet water chamber, a basket cavity, and a water level detection chamber, which are connected in sequence, and the upper part of the water level detection chamber is connected to the basket cavity; The inlet pipe, outlet pipe and water level sensor are located on the top cover plate, and the processing basket is fitted into the basket cavity and can be disassembled; The top cover is fastened to the housing, the water level sensor extends into the water level detection chamber, and the water inlet pipe and the water outlet pipe extend into the water inlet and outlet chambers; the atomizing nozzle is installed inside the smoke collection hood, the water pump inlet end is connected to the drain pipe, and the water outlet end is connected to the atomizing nozzle through the water guide pipe.
2. A condensing gas water heater according to claim 1, characterized in that: The bottom of the water level detection cavity is equipped with a drainage port.
3. A condensing gas water heater according to claim 1, characterized in that: The condensate treatment device includes a shell with an open top, a treatment basket, a top cover plate, and a water inlet pipe. The shell includes an inlet chamber, a basket chamber, and an outlet chamber that are connected in sequence, and the bottom of the outlet chamber is provided with a drain port; The water inlet pipe is located on the top cover plate, and the treatment basket is fitted into the basket cavity and can be disassembled; The top cover is fastened to the housing, and the water inlet pipe extends into the water inlet cavity.
4. A condensing gas water heater according to claim 1, 2 or 3, characterized in that: The condenser box includes a bottom-opening smoke inlet chamber, a longitudinal smoke guide chamber, and a condenser chamber. The bottom plate of the condenser chamber has an upward angle, and the condenser drain interface is provided on the end plate of the condenser chamber. It also includes an angled smoke guide plate, which includes an inclined smoke guide plate portion and a vertical partition portion; The inclined smoke guide plate is fixed to the top plate of the smoke collection hood, and the vertical partition plate extends from the smoke collection hood. The upper part of the inclined smoke guide plate and the vertical partition plate divides the smoke collection hood into an inlet smoke guide chamber and an outlet smoke guide chamber. The condenser is located in the condensation chamber. The upper ends of the smoke collection hood and the condenser box are fastened and fixed. The vertical partition plate is inserted between the heat exchange tubes of the condenser to divide the condensation chamber into a front condensation chamber and a rear condensation chamber. The longitudinal smoke guide chamber, the inlet smoke guide chamber, the front condensation chamber, the rear condensation chamber, and the outlet smoke guide chamber are connected in sequence.
Citation Information
Patent Citations
Condensation type gas water heater
CN220287772U