CN220892566U - High-power full-premix condensing furnace and heat supply and heating system thereof - Google Patents

High-power full-premix condensing furnace and heat supply and heating system thereof Download PDF

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Publication number
CN220892566U
CN220892566U CN202322534159.9U CN202322534159U CN220892566U CN 220892566 U CN220892566 U CN 220892566U CN 202322534159 U CN202322534159 U CN 202322534159U CN 220892566 U CN220892566 U CN 220892566U
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water
heating
full
premix
heating system
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陶龙礼
王志泱
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Guangzhou Devotion Home Environment Technology Co ltd
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Guangzhou Devotion Home Environment Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]

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Abstract

The utility model discloses a high-power full-premix condensing furnace and a heating system thereof, wherein the condensing furnace comprises a shell, a full-premix burner, a heat exchanger component, a fan, a premixer, a water supply pipeline, a water return pipeline and a control system; the heat exchanger component is provided with an automatic exhaust valve which penetrates through the top of the shell; the premixer is equipped with an air filter and a gas valve. Above-mentioned high-power full premix condensing furnace is through keeping important parts such as full premix combustor, heat exchanger subassembly, fan, premixer, and water pump, water tank isostructure are external for the overall structure of furnace body reduces, and the installation is more convenient, simultaneously, disposes automatic discharge valve, can solve the abnormal sound problem that is difficult to arrange cleanly because of more air of high-power condensing furnace heat exchanger coil pipe group number, still disposes equipment such as air cleaner, flow turn over board switch to improve heating furnace's life, also satisfy the demand of user to high-power heating and energy-conservation simultaneously.

Description

High-power full-premix condensing furnace and heat supply and heating system thereof
Technical Field
The utility model relates to the technical field of high-power wall-mounted furnaces, in particular to a high-power full-premix condensing furnace and a heating system thereof.
Background
The wall-mounted furnace is also called a gas heating water heater, the full-pre-mixing condensing furnace is also a product in the wall-mounted furnace, and the full-pre-mixing condensing furnace is characterized in that before the gas is ignited and combusted, the gas and the air are fully pre-mixed according to a certain proportion under the combined action of components such as a gas valve, a fan, a pre-mixer and the like, and the mixed gas of the gas and the air is sent into a combustor for ignition and combustion under the action of the fan. The full premix condensing furnace can also fully utilize the latent heat in the flue gas generated by combustion to condense the water vapor in the flue gas, and the thermal efficiency can be improved to be 108%. Compared with the conventional atmospheric heating furnace, the full-premix condensing furnace has the advantages of full combustion, less emission of CO and N0 x compounds, low noise, high heat efficiency, more energy conservation and the like, and is increasingly applied in China.
At present, mainly used condensing furnaces in the market are 40kW or below, and the condensing furnaces are mainly provided with built-in water pumps, water tanks, plate replacement and the like; the high-power condensing furnace has larger heat exchanger component and larger water pump load, and generally, the high-power condensing furnace adopts external structures for accessories such as a water pump, a water tank and the like. The number of the heat exchanger coil groups is more, so that the air in more waterway systems such as radiator groups of pipelines in the use environment or floor heating coils is difficult to exhaust cleanly, and the problem of waterway abnormal sound can occur when the high-power heating furnace operates. Compared with the conventional heating furnace, the condensing furnace has higher requirements on the use environment conditions, such as: the pipe diameter of the condensing furnace heat exchanger coil pipe is smaller than that of a conventional heating furnace, and the coil pipe is easier to be blocked if the water quality is poor. In addition, the requirements on the fuel gas and the air are higher, and in order to prolong the service life of the condensing furnace, a fuel gas and air filtering device is required to be arranged.
Disclosure of utility model
In order to overcome the defects of the prior art, one of the purposes of the utility model is to provide a high-power full-premix condensing furnace, solve the traditional problems, and the whole reasonable arrangement of the high-power full-premix condensing furnace can improve the service life of the heating furnace and meet the requirements of users on high-power heating and energy conservation.
The second purpose of the utility model is to provide a heating system adopting the high-power full-premix condensing furnace.
One of the purposes of the utility model is realized by adopting the following technical scheme:
A high-power full-premix condensing furnace comprises a shell, a full-premix burner, a heat exchanger component, a fan, a premixer, a water supply pipeline, a water return pipeline and a control system, wherein the full-premix burner, the heat exchanger component, the fan, the premixer, the water supply pipeline and the water return pipeline are arranged in the shell; a chimney mounting flange is arranged at the top of the shell; the smoke outlet of the full premix burner is connected with the chimney mounting flange, and the full premix burner is provided with an external igniter, an ignition electrode and a smoke temperature sensor; an automatic exhaust valve is arranged at the top of the heat exchanger assembly, and an exhaust port of the automatic exhaust valve penetrates through the top of the shell; an air filter is arranged at an air inlet of the pre-mixer, a gas inlet end of the pre-mixer is provided with a gas valve, an air outlet end of the pre-mixer is connected with the fan, and the fan is connected with the full pre-mixing burner; the water supply pipeline is provided with a limit temperature switch, a water temperature sensor and a three-way water outlet valve, and the water return pipeline is provided with a flow turning plate switch and a safety valve in the furnace; the control system is electrically connected with the external igniter, the ignition electrode, the smoke temperature sensor, the gas valve, the fan, the limit temperature switch, the water temperature sensor, the three-way motor of the three-way water outlet valve and the flow turnover plate switch.
Preferably, the shell comprises an upper cover plate, a lower cover plate, a side plate, a front cover plate and a rear cover plate, wherein the upper cover plate is formed by integrally pressing the rear cover plate and the lower cover plate, a plurality of first positioning bolts and second positioning bolts are arranged on the upper cover plate, first hanging holes which are correspondingly arranged with the first positioning bolts are arranged on the side plate, and second hanging holes which are correspondingly arranged with the second positioning bolts are arranged on the front cover plate.
Preferably, the upper cover plate is reserved with two flue installation preformed holes, and the flue installation preformed holes are used for configuring the arrangement of the double flues.
Preferably, a water seal is further installed in the shell, and a water inlet of the water seal is connected with the bottom of the full premix burner.
Preferably, a terminal strip and a relay are also installed in the shell, and the terminal strip is matched with the relay and the control system to work.
The second purpose of the utility model is realized by adopting the following technical scheme:
The heat supply and heating system comprises the high-power full-premix condensing furnace, a heat source primary side heating system, a tail end secondary side heating system, a bathroom water primary side heating system and a bathroom water secondary heat utilization system which are arranged at the outer end of the high-power full-premix condensing furnace, wherein the heat source primary side heating system comprises a first heating hot water outlet pipe, a plate heat exchanger, a first heating return pipe, a primary side water pump, an internal circulation expansion tank and a Y-shaped filter, the first heating hot water outlet pipe is connected with the first outlet end of a three-way water outlet valve of the high-power full-premix condensing furnace, and the first heating return pipe is connected with a water return pipe of the high-power full-premix condensing furnace; the terminal secondary side heating system exchanges heat with the heat source primary side heating system through a plate heat exchanger; the bathroom water primary side heating system comprises a bathroom water heating water outlet pipe, a heat exchange pipe group and a bathroom water heating water return pipe, wherein the bathroom water heating water outlet pipe is connected with a second outlet end of a three-way water outlet valve of the high-power full-premix condensing furnace, and the bathroom water heating water return pipe is connected with a water inlet end of the primary side water pump; the bathroom water secondary heat utilization system comprises a tap water inlet pipeline, a heat storage buffer water tank and a hot water outlet pipeline, and the heat exchange tube group is arranged in the heat storage buffer water tank.
Preferably, a water tank NTC is installed on the heat storage buffer water tank, and the water tank NTC is electrically connected with a control system of the high-power full-premix condensing furnace.
Preferably, the outlet of the primary side water pump is further provided with a water pressure gauge, and the water pressure gauge is used for monitoring the outlet pressure of the primary side water pump.
Preferably, the terminal secondary side heating system comprises a heating water outlet pipeline, terminal equipment and a backwater heating pipeline, wherein a heating expansion tank, a water pressure meter, a secondary side water pump and a heating exhaust valve are sequentially arranged on the heating water outlet pipeline, the secondary side water pump is electrically connected with a control system of the high-power full-premix condensing furnace, and the backwater heating pipeline is provided with a heating safety valve.
Preferably, the heating system further comprises a water supplementing system connected with the tap water inlet pipe, the water supplementing system comprises a first water supplementing pipe and a second water supplementing pipe, the first water supplementing pipe is connected with the bathroom water heating return pipe, and the second water supplementing pipe is connected with the terminal secondary side heating system.
Compared with the prior art, the utility model has the beneficial effects that:
According to the high-power full-premix condensing furnace, the main components such as the full-premix burner, the heat exchanger component, the fan, the premixer and the like are reserved, the structures such as the water pump and the water tank are external, so that the whole structure of the furnace body is reduced, the installation is more convenient, meanwhile, the automatic exhaust valve is configured, the problem of abnormal sound caused by the fact that more air is difficult to exhaust due to the fact that the number of coil pipes of the heat exchanger of the high-power condensing furnace is large can be solved, and the equipment such as the air filter and the flow turning plate switch is also configured, so that the service life of the heating furnace is prolonged, and meanwhile, the requirements of a user on high-power heating and energy conservation are met.
Drawings
FIG. 1 is a schematic diagram of the front structure of a high-power full premix condensing furnace of the present utility model, with a front cover plate not shown;
FIG. 2 is a top view of the high power full premix condensing furnace shown in FIG. 1;
fig. 3 is a schematic view of a heating system, the terminal equipment not shown.
In the figure: 10. a high-power full-premix condensing furnace; 11. a housing; 110. a chimney mounting flange; 12. a full premix burner; 120. an external igniter; 121. an ignition electrode; 122. a smoke temperature sensor; 13. a heat exchanger assembly; 130. an automatic exhaust valve; 14. a blower; 15. a premixer; 150. an air filter; 151. a gas valve; 16. a water supply pipe; 160. a limit temperature switch; 161. a water temperature sensor; 162. three-way water outlet valve; 17. a water return pipe; 170. a flow rate turnover plate switch; 171. an in-furnace safety valve; 18. a terminal block; 19. a relay; 20. a first heating hot water outlet pipe; 21. a plate heat exchanger; 22. a first heating return pipe; 23. a primary side water pump; 24. an internal circulation expansion tank; 25. a Y-type filter; 30. heating the water outlet pipe of the bathroom water; 31. a heat exchange tube group; 32. bathroom water heating return pipe; 40. a tap water inlet pipe; 41. a heat storage buffer water tank; 42. a hot water outlet pipe; 50. heating water outlet pipeline; 51. a backwater heating pipe; 52. a heating expansion tank; 53. a secondary side water pump; 54. a heating exhaust valve.
Detailed Description
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the description of the present utility model, it will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.
Referring to fig. 1 and 2, a high-power full-premix condensing furnace 10 according to a preferred embodiment of the present utility model is used for heating a user, and specifically, the high-power full-premix condensing furnace 10 includes a housing 11, a full-premix burner 12 installed in the housing 11, a heat exchanger assembly 13, a fan 14, a premixer 15, a water supply pipeline 16, a water return pipeline 17 and a control system; the top of the housing 11 is provided with a chimney mounting flange 110; the smoke outlet of the full premix burner 12 is connected with the chimney mounting flange 110, and the full premix burner 12 is provided with an external igniter 120, an ignition electrode 121 and a smoke temperature sensor 122; an automatic exhaust valve 130 is arranged at the top of the heat exchanger assembly 13, and an exhaust port of the automatic exhaust valve 130 penetrates through the top of the shell 11; an air filter 150 is arranged at an air inlet of the premixer 15, a gas valve 151 is arranged at a gas inlet end of the premixer 15, a gas outlet end of the premixer 15 is connected with a fan 14, and the fan 14 is connected with the full premix burner 12; the water supply pipeline 16 is provided with a limit temperature switch 160, a water temperature sensor 161 and a three-way water outlet valve 162, and the water return pipeline 17 is provided with a flow turning plate switch 170 and an in-furnace safety valve 171; the control system is electrically connected with an external igniter 120, an ignition electrode 121, a smoke temperature sensor 122, a gas valve 151, a fan 14, a limit temperature switch 160, a water temperature sensor 161, a three-way motor of a three-way water outlet valve 162 and a flow turning plate switch 170.
In the above-mentioned high-power full premix condensing furnace 10, remain the important parts such as full premix combustor 12, heat exchanger subassembly 13, fan 14, premixer 15, with external structure such as water pump, water tank, make the overall structure of furnace body narrow, the installation is more convenient, simultaneously, dispose automatic discharge valve 130, automatic discharge valve 130 arranges the highest point of heat exchanger subassembly 13 in, can solve the problem of abnormal sound because of the high-power condensing furnace heat exchanger coil group is more air is difficult to arrange cleanly, air cleaner 150 has been disposed at the air inlet of premixer 15, can effectively block impurity in the air and enter into heating stove combustor and fan 14 inside, prevent impurity from blocking up combustor fire hole or damaging fan 14 impeller, flow flap switch 170 has been disposed for detect whether there is rivers to pass through, in order to prevent dry combustion method, through the optimization of above-mentioned structure, can further improve the life of heating stove, also satisfy the user to high-power heating and energy-conserving demand simultaneously. Wherein, accessories such as full premix burner 12, heat exchanger subassembly 13 are fixed on shell 11 through the mounting.
In one embodiment, the housing 11 includes an upper cover plate, a lower cover plate, a side plate, a front cover plate and a rear cover plate, where the upper cover plate, the rear cover plate and the lower cover plate are formed by integral pressing, a plurality of first positioning bolts and second positioning bolts are arranged on the upper cover plate, a first hanging hole corresponding to the first positioning bolts is arranged on the side plate, and a second hanging hole corresponding to the second positioning bolts is arranged on the front cover plate. That is, the shell 11 adopts an integrated air box structure, no middle plate and no bottom tray are arranged, the inner space is large, the sealing performance is good, the whole machine is convenient to assemble and maintain, and the bottom is fixed by bolts. In this embodiment, the upper cover plate is reserved with two flue installation preformed holes, and the flue installation preformed holes are used for configuring the setting of two flues, so that different flue structures can be adopted under different environments.
In other embodiments, a water seal is further installed in the housing 11, and the water inlet of the water seal is connected with the bottom of the full premix burner 12. The housing 11 is also internally provided with a terminal block 18 and a relay 19, and the terminal block 18 cooperates with the relay 19 and a control system to work so as to realize connection of circuits such as power lines, signal lines and the like of the internal equipment.
As shown in fig. 3, a heating system according to the present utility model comprises the above-mentioned high-power full premix condensing furnace 10, a primary heating system of a heat source, a secondary heating system of a tail end, a primary heating system of bathroom water and a secondary heating system of bathroom water which are arranged at the outer end of the high-power full premix condensing furnace 10, wherein the primary heating system of the heat source comprises a first heating hot water outlet pipe 20, a plate heat exchanger 21, a first heating return pipe 22, a primary water pump 23, an internal circulation expansion tank 24 and a Y-shaped filter 25, the first heating hot water outlet pipe 20 is connected with a first outlet end of a three-way water outlet valve 162 of the high-power full premix condensing furnace 10, and the first heating return pipe 22 is connected with a water return pipe 17 of the high-power full premix condensing furnace 10; the terminal secondary side heating system exchanges heat with the heat source primary side heating system through the plate heat exchanger 21; the primary side heating system of the bathroom water comprises a bathroom water heating water outlet pipe 30, a heat exchange tube group 31 and a bathroom water heating water return pipe 32, wherein the bathroom water heating water outlet pipe 30 is connected with a second outlet end of a three-way water outlet valve 162 of the high-power full-premix condensing furnace 10, and the bathroom water heating water return pipe 32 is connected with a water inlet end of the primary side water pump 23; the bathroom water secondary heat utilization system comprises a tap water inlet pipeline 40, a heat storage buffer water tank 41 and a hot water outlet pipeline 42, wherein the heat exchange tube group 31 is arranged in the heat storage buffer water tank 41.
In the heating system, according to the structure of the high-power full-premix condensing furnace 10, the primary heating system of the heat source, the secondary heating system of the tail end, the primary heating system of the bathroom water, the secondary heating system of the bathroom water and other systems are configured to realize heating for users, wherein the primary heating system of the heat source and the secondary heating system of the tail end are separated, heat exchange is performed through the plate heat exchanger 21, impurities, rust and scale in the heating system can be prevented from entering the wall-mounted furnace heating system, the service life of the heating furnace can be prolonged, in addition, the heat exchange tube group 31 is used for heating the heat storage buffer water tank 41, so that the temperature of bath water or domestic water is more stable and the comfort is better.
In one embodiment, the heat storage buffer water tank 41 is provided with a water tank NTC, and the water tank NTC is electrically connected with the control system of the high-power full-premix condensing furnace 10, so as to monitor the temperature of the heat storage buffer water tank 41 and keep the temperature of the water tank stable. The outlet of the primary side water pump 23 is also provided with a water pressure gauge for monitoring the outlet pressure of the primary side water pump 23.
In this embodiment, the terminal secondary side heating system includes a heating water outlet pipe 50, terminal equipment and a backwater heating pipe 51, the heating water outlet pipe 50 is sequentially provided with a heating expansion tank 52, a water pressure gauge, a secondary side water pump 53 and a heating exhaust valve 54, the secondary side water pump 53 is electrically connected with the control system of the high-power full-premix condensing furnace 10, and the backwater heating pipe 51 is provided with a heating safety valve. So as to realize the heating safety of the heating end. The terminal equipment can be heating equipment such as heating sheets or floor heating.
In other embodiments, the heating system further comprises a water replenishment system connected to the tap water inlet pipe 40, the water replenishment system comprising a first water replenishment pipe connected to the bathroom water heating return pipe 32 and a second water replenishment pipe connected to the terminal secondary side heating system. When the system lacks water, the water supplementing valve on the water supplementing pipe is manually opened to independently supplement water.
In other embodiments, corresponding control valves are further provided in each system, and are set according to needs, which will not be described herein.
In the heating system, when the high-power full-premix condensing furnace 10 is started, the primary side water pump 23 is started at the same time to provide power for circulating water of the primary side heating system of the heat source, and when the heating function is started, the program controls the secondary side water pump 53 to be started to provide water circulating power for the heating system (the terminal secondary side heating system); when the domestic hot water function is started, the three-way motor of the three-way water outlet valve 162 switches the water outlet valve to the water inlet end of the water tank, stops the heating cycle, and turns off the secondary water pump 53 to heat the heat storage buffer water tank 41.
The primary side and the secondary side of the heat source are respectively provided with accessories such as an expansion tank, a safety valve, a water supplementing valve, a drain valve, a water pressure meter and the like, a secondary side water pump power line is connected to a heating furnace terminal block 18 and a relay 19, and the water pump is controlled to be started and closed through the heating furnace. The exhaust valve is arranged at the highest point of the heat exchanger of the heating furnace at the primary side of the heat source, which is beneficial to the air exhaust of the pipeline at the primary side of the heat source. The water tank NTC (water tank temperature sensor) is connected to the mainboard, makes the heating stove can monitor the heat storage water tank temperature and judge whether heat to the water tank, and the heat storage water tank provides life hot water and more comfortable than conventional heating stove life hot water mode, can not appear suddenly cold and suddenly hot problem. The system waterway is divided into a primary side (a wall-mounted furnace circulating waterway) and a secondary side (a heating system circulating waterway), the terminal secondary side is heated by the plate heat exchanger 21, the heating system and the wall-mounted furnace heating system waterway are separated, impurities, rust, scale and the like in the heating terminal system can be prevented from entering the wall-mounted furnace heating system, and the service life of the heating furnace can be prolonged.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (10)

1. The high-power full-premix condensing furnace is characterized by comprising a shell, a full-premix burner, a heat exchanger component, a fan, a premixer, a water supply pipeline, a water return pipeline and a control system, wherein the full-premix burner, the heat exchanger component, the fan, the premixer, the water supply pipeline and the control system are arranged in the shell; a chimney mounting flange is arranged at the top of the shell; the smoke outlet of the full premix burner is connected with the chimney mounting flange, and the full premix burner is provided with an external igniter, an ignition electrode and a smoke temperature sensor; an automatic exhaust valve is arranged at the top of the heat exchanger assembly, and an exhaust port of the automatic exhaust valve penetrates through the top of the shell; an air filter is arranged at an air inlet of the pre-mixer, a gas inlet end of the pre-mixer is provided with a gas valve, an air outlet end of the pre-mixer is connected with the fan, and the fan is connected with the full pre-mixing burner; the water supply pipeline is provided with a limit temperature switch, a water temperature sensor and a three-way water outlet valve, and the water return pipeline is provided with a flow turning plate switch and a safety valve in the furnace; the control system is electrically connected with the external igniter, the ignition electrode, the smoke temperature sensor, the gas valve, the fan, the limit temperature switch, the water temperature sensor, the three-way motor of the three-way water outlet valve and the flow turnover plate switch.
2. The high-power full premix condensing furnace of claim 1, wherein the shell comprises an upper cover plate, a lower cover plate, a side plate, a front cover plate and a rear cover plate, the upper cover plate, the rear cover plate and the lower cover plate are formed by integrally pressing, a plurality of first positioning bolts and second positioning bolts are arranged on the upper cover plate, a first hanging hole which is correspondingly arranged with the first positioning bolts is arranged on the side plate, and a second hanging hole which is correspondingly arranged with the second positioning bolts is arranged on the front cover plate.
3. The high-power full premix condensing furnace of claim 2, wherein the upper cover plate is reserved with two flue installation preformed holes, and the flue installation preformed holes are used for configuring the arrangement of double flues.
4. The high-power full premix condensing furnace of claim 1, wherein a water seal is further installed in the shell, and a water inlet of the water seal is connected with the bottom of the full premix burner.
5. The high-power full premix condensing furnace of claim 4, wherein a terminal block and a relay are further installed in the housing, and the terminal block cooperates with the relay and the control system to work.
6. A heating system, which is characterized by comprising the high-power full-premix condensing furnace as set forth in any one of claims 1-5, a primary heat source heating system arranged at the outer end of the high-power full-premix condensing furnace, a secondary heating system at the tail end, a primary heating system for bathroom water and a secondary heating system for bathroom water;
The primary side heating system of the heat source comprises a first heating hot water outlet pipe, a plate heat exchanger, a first heating return pipe, a primary side water pump, an internal circulation expansion tank and a Y-shaped filter, wherein the first heating hot water outlet pipe is connected with a first outlet end of a three-way water outlet valve of the high-power full-premix condensing furnace, and the first heating return pipe is connected with a water return pipe of the high-power full-premix condensing furnace;
The terminal secondary side heating system exchanges heat with the heat source primary side heating system through a plate heat exchanger; the bathroom water primary side heating system comprises a bathroom water heating water outlet pipe, a heat exchange pipe group and a bathroom water heating water return pipe, wherein the bathroom water heating water outlet pipe is connected with a second outlet end of a three-way water outlet valve of the high-power full-premix condensing furnace, and the bathroom water heating water return pipe is connected with a water inlet end of the primary side water pump; the bathroom water secondary heat utilization system comprises a tap water inlet pipeline, a heat storage buffer water tank and a hot water outlet pipeline, and the heat exchange tube group is arranged in the heat storage buffer water tank.
7. A heating system according to claim 6, wherein a water tank NTC is mounted on the heat storage buffer water tank, and the water tank NTC is electrically connected to a control system of the high-power full premix condensing furnace.
8. A heating system according to claim 6, wherein a water pressure gauge is further provided at the outlet of the primary side water pump, the water pressure gauge being adapted to monitor the outlet pressure of the primary side water pump.
9. The heating system of claim 6, wherein the terminal secondary side heating system comprises a heating outlet pipe, terminal equipment and a backwater heating pipe, the heating outlet pipe is sequentially provided with a heating expansion tank, a water pressure gauge, a secondary side water pump and a heating exhaust valve, the secondary side water pump is electrically connected with a control system of the high-power full-premix condensing furnace, and the backwater heating pipe is provided with a heating safety valve.
10. A heating system according to claim 6, further comprising a water replenishment system connected to the mains water inlet pipe, the water replenishment system comprising a first water replenishment pipe connected to the bathroom water heating return pipe and a second water replenishment pipe connected to the terminal secondary side heating system.
CN202322534159.9U 2023-09-19 2023-09-19 High-power full-premix condensing furnace and heat supply and heating system thereof Active CN220892566U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322534159.9U CN220892566U (en) 2023-09-19 2023-09-19 High-power full-premix condensing furnace and heat supply and heating system thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322534159.9U CN220892566U (en) 2023-09-19 2023-09-19 High-power full-premix condensing furnace and heat supply and heating system thereof

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Publication Number Publication Date
CN220892566U true CN220892566U (en) 2024-05-03

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