Condensation type energy-saving gas heating water heater

Abstract

The invention relates to the technical field of condensation type fuel gas heating water heaters, and discloses a condensation type energy-saving fuel gas heating water heater which comprises a water heater body, a smoke cavity is formed in the water heater body, a pulse igniter is arranged at the bottom of the smoke cavity, a condensation heat exchange mechanism is arranged above the pulse igniter, and a heat exchange mechanism is arranged above the condensation heat exchange mechanism. And a water inlet filtering mechanism is arranged on one side of the condensation heat exchange mechanism. According to the condensation type energy-saving gas heating water heater, the first heat exchange water tank and the second heat exchange water tank are arranged to be continuously bent and folded water tanks, the first heat exchange water tank and the second heat exchange water tank are transversely and longitudinally staggered, heat of smoke can be better collected and exchanged, heat collection channels are evenly formed in the third heat exchange water tank, residual heat can be conveniently absorbed, and heat exchange efficiency is improved. The first heat exchange water tank communicates with the second heat exchange water tank through a first flow guide pipe, the second heat exchange water tank communicates with the third heat exchange water tank through a second flow guide pipe, and the circulating booster pump is matched with the circulating water pipe to circulate hot water.

Description

Technical Field

[0001] The present invention relates to the technical field of condensing gas heating and hot water boilers, and specifically provides a condensing energy-saving gas heating and hot water boiler. Background Art

[0002] A gas heating and hot water boiler is a product used to solve the problems of users' winter heating and year-round domestic hot water, and improve the living comfort of users. Its principle is to use the heat generated by gas combustion to heat water, and this heated water is used as a heat source to transfer heat to the room in cooperation with floor heating, radiators, etc. to achieve the winter heating effect. The condensing technology is a scientific and technological means to improve the thermal efficiency. By adopting the condensing technology, the thermal efficiency of the gas wall-mounted boiler is greatly improved, which also means a reduction in energy consumption.

[0003] In the prior art, such as the "condensing integrated heat exchange gas heating and hot water boiler" with the Chinese patent number: CN103486727B, which includes a heat exchanger housing, a fan, a water valve body, a gas valve, and a condensate water box; a condensing heat exchanger is arranged inside the heat exchanger housing, and an inner heat exchanger is arranged inside the condensing heat exchanger. The outlet end of the condensing heat exchanger is communicated with the inlet end of the inner heat exchanger through a water passing cavity; so that the inner heat exchange section and the condensing heat exchange section are integrated into one; the combustion chamber pressing plate is arranged on the inner edge of the water passing pressing plate to make the formed combustion chamber in a closed state; the outer pressing ring is arranged on the outer edge of the water passing pressing plate and on the heat exchanger housing to make the formed flue gas chamber in a closed state, which simplifies the paths of the flue gas and the water flow during combustion, increases the heat exchange area, reduces the manufacturing and use costs, and has obvious energy-saving effects.

[0004] However, in the prior art, although the heat exchange area is increased and the manufacturing and use costs are reduced, the combustion chamber is small, the heat exchange area is relatively small, and it is inconvenient to circulate and exchange heat for cold water. The heat exchange device is relatively single, which is inconvenient to exchange heat better and affects the condensing heat exchange efficiency. Therefore, there is an urgent need for a condensing energy-saving gas heating and hot water boiler. Summary of the Invention

[0005] The purpose of the present invention is to provide a condensing energy-saving gas heating and hot water boiler to solve the problems mentioned in the above background art, such as the small combustion chamber, relatively small heat exchange area, inconvenient circulation and heat exchange of cold water, relatively single heat exchange device, inconvenient better heat exchange, and affecting the condensing heat exchange efficiency.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A condensing energy-saving gas heating and hot water boiler, including a hot water boiler body. A flue gas chamber is arranged inside the hot water boiler body. A pulse igniter is arranged at the bottom of the flue gas chamber. A condensing heat exchange mechanism is arranged above the pulse igniter. An inlet water filtering mechanism is arranged on one side of the condensing heat exchange mechanism. A smoke exhaust pipe communicating with the flue gas chamber is arranged at the top of the hot water boiler body; The condensation heat exchange mechanism includes a second heat exchange water tank disposed above the first heat exchange water tank, a third heat exchange water tank disposed above the second heat exchange water tank, a condensate collection assembly disposed above the third heat exchange water tank, a cold water inlet pipe connected to one side of the bottom of the first heat exchange water tank, the top of the first heat exchange water tank is connected to the second heat exchange water tank through a first diversion pipe, one side of the top of the second heat exchange water tank is connected to one side of the third heat exchange water tank through a second diversion pipe, the other side of the bottom of the third heat exchange water tank is connected to a hot water outlet pipe, one end of a circulating water pipe is connected to the hot water outlet pipe, the other end of the circulating water pipe is connected to the first heat exchange water tank, and a circulating booster pump is provided on the circulating water pipe.

[0007] As a preferred technical solution of the present invention, the water inlet filtering mechanism includes a first thread provided on the cold water inlet pipe. The cold water inlet pipe is threadedly connected to a threaded connection pipe through the first thread. A limiting circular plate is provided on one side of the threaded connection pipe. A filtering sleeve communicating with the threaded connection pipe is provided on one side of the limiting circular plate. A filter cotton is provided on the inner wall of the filtering sleeve. An activated carbon filter element is provided on one side of the filter cotton, and a filter cotton is also provided on one side of the activated carbon filter element.

[0008] As a preferred technical solution of the present invention, the condensate collection assembly includes a smoke exhaust connection pipe fixedly connected to the bottom of the smoke exhaust pipe. A condensate funnel is connected to the bottom of the smoke exhaust connection pipe. A water collection tank is provided at the bottom of the condensate funnel. A smoke guiding port is provided at the center of the condensate funnel. A condensate drain pipe is connected to the bottom of the water collection tank.

[0009] As a preferred technical solution of the present invention, a circular card slot is provided on one side of the filter cotton. A connecting card hole is provided inside the circular card slot, and the connecting card hole is also provided on the activated carbon filter element. A circular card block adapted to the inner wall of the circular card slot is provided on the inner wall of the circular card slot. A connecting card rod adapted to the inner wall of the connecting card hole is provided on the inner wall of the connecting card hole. One end of the connecting card rod is connected to one side of the circular card block, and the other end of the connecting card rod is connected to a disassembly hook.

[0010] As a preferred technical solution of the present invention, a second thread is provided on the outer peripheral surface of the filtering sleeve. The filtering sleeve is threadedly connected to a threaded rotating pipe through the second thread. An auxiliary handle is provided on the outside of the threaded rotating pipe. A water connection pipe is connected to one side of the threaded rotating pipe. A sealing gasket is provided between the limiting circular plate and the threaded rotating pipe.

[0011] As a preferred technical solution of the present invention, a solenoid valve is provided on the cold water inlet pipe, and a solenoid valve is also provided on the hot water outlet pipe.

[0012] As a preferred technical solution of the present invention, a first support block for supporting the second heat exchange water tank is provided at the top of the first heat exchange water tank, and a second support block for supporting the third heat exchange water tank is provided at the top of the second heat exchange water tank.

[0013] As a preferred technical solution of the present invention, a gas inlet pipe is provided on one side of the bottom of the hot water furnace body, and an air inlet pipe is provided on the other side of the bottom of the hot water furnace body.

[0014] As a preferred technical solution of the present invention, a touch display screen is provided on the outer wall of the hot water furnace body.

[0015] As a preferred technical solution of the present invention, a receiving platform is provided at the bottom of the flue gas chamber, and the receiving platform is arranged at the bottom of the first heat exchange water tank.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. For this condensing energy-saving gas heating hot water furnace, the bottom device of the hot water furnace body mixes gas and air through the gas inlet pipe and the air inlet pipe and then ignites through the pulse igniter, which is convenient for heating and raising the temperature of the flue gas chamber. The smoke exhaust pipe is convenient for the flue gas to be discharged. The touch display screen is convenient for touching and adjusting the hot water furnace body through the internal control device. The receiving platform is convenient for providing support for the first heat exchange water tank. The first heat exchange water tank supports the second heat exchange water tank through the first support block, and the second heat exchange water tank supports the third heat exchange water tank through the second support block. The shapes of the first heat exchange water tank and the second heat exchange water tank are set as continuously bent and folded water tanks, and they are horizontally and vertically staggered, which is convenient for better collecting and exchanging the heat of the flue gas. The remaining heat is exchanged through the third water tank at the top. The internal of the third heat exchange water tank is uniformly provided with heat collection channels, which is convenient for absorbing the remaining heat. The heat exchange effect of the third heat exchange water tank located at the top is poor, and the hot water inside needs to be introduced into the first heat exchange water tank through the circulating water pipe for continuous heat exchange; 2. For this condensing energy-saving gas heating hot water furnace, the cold water inlet pipe introduces cold water into the first heat exchange water tank. The solenoid valve controls the inlet and outlet of cold water. The first heat exchange water tank and the second heat exchange water tank are connected through the first diversion pipe, and the second heat exchange water tank and the third heat exchange water tank are connected through the second diversion pipe. The circulating booster pump and the circulating water pipe are convenient for the hot water circulation among the first heat exchange water tank, the second heat exchange water tank and the third heat exchange water tank. A temperature sensor is arranged inside the hot water outlet pipe, and the solenoid valve can be opened to control the hot water discharge when the set temperature is reached, which is convenient for multiple heat exchanges of the flue gas heat and can reduce heat loss. The smoke exhaust connection pipe is convenient for connecting the condensate funnel and the smoke exhaust pipe. The smoke guide port is convenient for smoke exhaust. The condensate condenses on the inner wall of the condensate funnel, and the condensate drops into the water collection tank through the slope and is discharged through the condensate drain pipe, which is convenient and fast; 3. For this condensing energy-saving gas heating and hot water boiler, the threaded pipe joint matches the first thread to facilitate the connection and fixation with the cold water inlet pipe. The threaded pipe joint and the water connection pipe are interconnected with the filter sleeve. The filter cotton is arranged on both sides of the activated carbon filter element to facilitate the filtration of impurities in the cold water, reducing the problem of calcium in the water condensing on the inner wall of the heat exchange water tank during the heat exchange process, which can assist in improving the heat exchange effect. The filter cotton and the activated carbon filter element need to be replaced regularly. They are connected through a circular clamping block and a circular clamping groove, and the connecting rod is connected with the connecting hole, which is convenient for fixing the filter cotton and the activated carbon filter element. When replacing, just pull out the filter cotton and the activated carbon filter element by removing the hook, which is convenient for improving the filtration effect. The threaded spiral pipe matches the second thread to facilitate fixation on the outside of the filter sleeve, and the sealing gasket is convenient for improving the connection tightness. The auxiliary handle facilitates the rotation of the threaded spiral pipe, which is convenient for disassembly and assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. is a schematic diagram of the overall structure of a condensing energy-saving gas heating and hot water boiler in one embodiment of the present invention; Figure 2 FIG. is a schematic sectional view of the structure of a condensing energy-saving gas heating and hot water boiler in one embodiment of the present invention; Figure 3 FIG. is a schematic diagram of the structure of the condensing heat exchange mechanism of a condensing energy-saving gas heating and hot water boiler in one embodiment of the present invention; Figure 4 FIG. is a schematic diagram of the structure of the condensing heat exchange mechanism of a condensing energy-saving gas heating and hot water boiler in one embodiment of the present invention; Figure 5 FIG. is a schematic diagram of the structure of the condensing heat exchange mechanism of a condensing energy-saving gas heating and hot water boiler in one embodiment of the present invention; Figure 6 FIG. is a front view structure schematic diagram of a condensing energy-saving gas heating and hot water boiler in one embodiment of the present invention; Figure 7 FIG. is a schematic diagram of the structure of the water inlet filtering mechanism of a condensing energy-saving gas heating and hot water boiler in one embodiment of the present invention; Figure 8 FIG. is a partial structure schematic diagram of the water inlet filtering mechanism of a condensing energy-saving gas heating and hot water boiler in one embodiment of the present invention; Figure 9 FIG. is an exploded structure schematic diagram of the water inlet filtering mechanism of a condensing energy-saving gas heating and hot water boiler in one embodiment of the present invention; Figure 10 FIG. is a schematic sectional view of the structure of the condensate collection assembly of a condensing energy-saving gas heating and hot water boiler in one embodiment of the present invention.

[0018] In the figure: 1. Hot water furnace body; 2. Flue gas chamber; 3. Gas inlet pipe; 4. Air inlet pipe; 5. Pulse igniter; 6. Condensing heat exchange mechanism; 601. First hot water tank; 602. First support block; 603. Second hot water tank; 604. Second support block; 605. Third hot water tank; 66. Condensate collection assembly; 661. Smoke exhaust connecting pipe; 662. Condensate funnel; 663. Water collecting tank; 664. Smoke guiding port; 607. Cold water inlet pipe; 608. First diversion pipe; 609. Second diversion pipe; 610. Hot water outlet pipe; 611. Condensate drain pipe; 612. Circulation water pipe; 613. Circulation booster pump; 614. Solenoid valve; 7. Water inlet filtering mechanism; 701. First thread; 702. Threaded connecting pipe; 703. Limit circular plate; 704. Filter sleeve; 705. Filter cotton; 706. Activated carbon filter element; 707. Circular card slot; 708. Connecting card hole; 709. Circular card block; 710. Connecting card rod; 711. Demounting hook; 712. Second thread; 713. Threaded coil pipe; 714. Auxiliary handle; 715. Water connection pipe; 716. Sealing washer; 8. Smoke exhaust pipe; 9. Touch control display screen; 10. Supporting platform. Detailed implementation mode

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0020] Please refer to Figures 1 - 10 , the present invention provides a technical solution: a condensing energy-saving gas heating hot water furnace, including a hot water furnace body 1, a flue gas chamber 2 is arranged inside the hot water furnace body 1, a pulse igniter 5 is arranged at the bottom of the flue gas chamber 2, a condensing heat exchange mechanism 6 is arranged above the pulse igniter 5, a water inlet filtering mechanism 7 is arranged on one side of the condensing heat exchange mechanism 6, a smoke exhaust pipe 8 communicating with the flue gas chamber 2 is arranged at the top of the hot water furnace body 1, a gas inlet pipe 3 is arranged on one side of the bottom of the hot water furnace body 1, an air inlet pipe 4 is arranged on the other side of the bottom of the hot water furnace body 1, and a touch control display screen 9 is arranged on the outer wall of the hot water furnace body 1; To facilitate a full understanding of the specific structure and principle of the condensation heat exchange mechanism 6 by those skilled in the art, a further description of the condensation heat exchange mechanism 6 is made. In this embodiment, the condensation heat exchange mechanism 6 includes a second heat exchange water tank 603 disposed above the first heat exchange water tank 601, a third heat exchange water tank 605 disposed above the second heat exchange water tank 603, and a condensate collection assembly 66 disposed above the third heat exchange water tank 605. The condensate collection assembly 66 includes a smoke exhaust connection pipe 661 which is fixedly connected to the bottom of the smoke exhaust pipe 8. A communicating condensate funnel 662 is provided at the bottom of the smoke exhaust connection pipe 661. A water collection tank 663 is provided at the bottom of the condensate funnel 662. A smoke guiding port 664 is provided at the center of the condensate funnel 662. A communicating condensate drain pipe 611 is provided at the bottom of the water collection tank 663. A cold water inlet pipe 607 is provided at one side of the bottom of the first heat exchange water tank 601 and is in communication therewith. The other side of the top of the first heat exchange water tank 601 is communicated with the second heat exchange water tank 603 through a first diversion pipe 608. One side of the top of the second heat exchange water tank 603 is communicated with one side of the third heat exchange water tank 605 through a second diversion pipe 609. The other side of the bottom of the third heat exchange water tank 605 is provided with a communicating hot water outlet pipe 610. One end of a circulating water pipe 612 is communicated with the hot water outlet pipe 610. The other end of the circulating water pipe 612 is communicated with the first heat exchange water tank 601. A circulating booster pump 613 is provided on the circulating water pipe 612. An electromagnetic valve 614 is provided on the cold water inlet pipe 607. An electromagnetic valve 614 is also provided on the hot water outlet pipe 610. A first support block 602 for supporting the second heat exchange water tank 603 is provided at the top of the first heat exchange water tank 601. A second support block 604 for supporting the third heat exchange water tank 605 is provided at the top of the second heat exchange water tank 603. A receiving platform 10 is provided at the bottom of the smoke chamber 2, and the receiving platform 10 is disposed at the bottom of the first heat exchange water tank 601.

[0021] Specifically, the bottom device of the water heater body 1 mixes gas and air through the gas inlet pipe 3 and the air inlet pipe 4 and then ignites them through the pulse igniter 5, which is convenient for heating and raising the temperature of the flue gas chamber 2. The exhaust pipe 8 facilitates the discharge of flue gas. The touch display screen 9 facilitates touch adjustment of the water heater body 1 through the internal control device. The supporting platform 10 facilitates providing support for the first heat exchange water tank 601. The first heat exchange water tank 601 supports the second heat exchange water tank 603 through the first support block 602, and the second heat exchange water tank 603 supports the third heat exchange water tank 605 through the second support block 604. The first heat exchange water tank 601 and the second heat exchange water tank 603 are shaped as continuously bent and folded water tanks, and they intersect horizontally and vertically, which is convenient for better collecting and exchanging the heat of the flue gas. The remaining heat is exchanged through the top third water tank. The internal of the third heat exchange water tank 605 is evenly provided with heat collection channels, which is convenient for absorbing the remaining heat. The heat exchange effect of the third heat exchange water tank 605 located at the top is poor, and the hot water inside needs to be introduced into the first heat exchange water tank 601 through the circulation water pipe 612 for continuous heat exchange. The cold water inlet pipe 607 introduces cold water into the first heat exchange water tank 601, and the solenoid valve 614 controls the inflow and outflow of cold water. The first heat exchange water tank 601 and the second heat exchange water tank 603 are connected through the first diversion pipe 608, and the second heat exchange water tank 603 and the third heat exchange water tank 605 are connected through the second diversion pipe 609. The circulation booster pump 613 cooperates with the circulation water pipe 612 to facilitate the circulation of hot water among the first heat exchange water tank 601, the second heat exchange water tank 603, and the third heat exchange water tank 605. A temperature sensor is arranged inside the hot water outlet pipe 610, and when the set temperature is reached, the solenoid valve 614 can be opened to control the discharge of hot water, which is convenient for multiple heat exchanges of the flue gas heat, can reduce heat loss. The exhaust connection pipe 661 facilitates connecting the condensate funnel 662 with the exhaust pipe 8. The smoke guide port 664 facilitates smoke exhaust. Condensate condenses on the inner wall of the condensate funnel 662, and the condensate drops fall into the water collection tank 663 through the slope and are discharged through the condensate drain pipe 611, which is convenient and fast.

[0022] For the convenience of those skilled in the art to fully understand the specific structure and principle of the water inlet filtering mechanism 7, a further description of the water inlet filtering mechanism 7 is made. In this embodiment, the water inlet filtering mechanism 7 includes a first thread 701, and the first thread 701 is provided on the cold water inlet pipe 607. The cold water inlet pipe 607 is threadedly connected to the threaded connection pipe 702 by providing the first thread 701. A limiting circular plate 703 is provided on one side of the threaded connection pipe 702. A filtering sleeve 704 communicating with the threaded connection pipe 702 is provided on one side of the limiting circular plate 703. A filter cotton 705 is provided on the inner wall of the filtering sleeve 704. An activated carbon filter element 706 is provided on one side of the filter cotton 705, and a filter cotton 705 is also provided on one side of the activated carbon filter element 706. A circular card slot 707 is provided on one side of the filter cotton 705. A connecting card hole 708 is provided inside the circular card slot 707, and the connecting card hole 708 is also provided on the activated carbon filter element 706. A circular card block 709 adapted to it is provided on the inner wall of the circular card slot 707. A connecting card rod 710 adapted to it is provided on the inner wall of the connecting card hole 708. One side of the circular card block 709 is connected to one end of the connecting card rod 710. The other end of the connecting card rod 710 is connected to a disassembly hook 711. A second thread 712 is provided on the outer peripheral surface of the filtering sleeve 704. The filtering sleeve 704 is threadedly connected to the threaded rotating pipe 713 by providing the second thread 712. An auxiliary handle 714 is provided on the outside of the threaded rotating pipe 713. A communicating water connection pipe 715 is provided on one side of the threaded rotating pipe 713. A sealing gasket 716 is provided between the limiting circular plate 703 and the threaded rotating pipe 713.

[0023] Specifically, the threaded connection pipe 702 cooperates with the first thread 701 to facilitate connection and fixation with the cold water inlet pipe 607. The threaded connection pipe 702 and the water connection pipe 715 communicate with the filtering sleeve 704. The filter cotton 705 is provided on both sides of the activated carbon filter element 706 to facilitate filtering impurities in the cold water, reducing the problem of calcium in the water condensing on the inner wall of the heat exchange water tank during the heat exchange process, and can assist in improving the heat exchange effect. The filter cotton 705 and the activated carbon filter element 706 need to be replaced regularly. By connecting the circular card block 709 with the circular card slot 707 and the connecting card rod 710 with the connecting card hole 708, it is convenient to fix the filter cotton 705 and the activated carbon filter element 706. When replacing, only need to pull out the filter cotton 705 and the activated carbon filter element 706 through the disassembly hook 711 to replace, which is convenient to improve the filtering effect. The threaded rotating pipe 713 cooperates with the second thread 712 to facilitate fixation on the outside of the filtering sleeve 704. The sealing gasket 716 facilitates improving the connection tightness. The auxiliary handle 714 is convenient for rotating the threaded rotating pipe 713, facilitating disassembly and assembly.

[0024] Working principle: First, the bottom device of the hot water furnace body 1 mixes gas and air through the gas inlet pipe 3 and the air inlet pipe 4, and then ignites through the pulse igniter 5 to conveniently heat up the flue gas chamber 2. The exhaust pipe 8 facilitates the discharge of flue gas. The touch display screen 9 facilitates the touch adjustment of the hot water furnace body 1 through the internal control device. The supporting platform 10 facilitates the support of the first heat exchange water tank 601. The first heat exchange water tank 601 supports the second heat exchange water tank 603 through the first support block 602, and the second heat exchange water tank 603 supports the third heat exchange water tank 605 through the second support block 604. The shapes of the first heat exchange water tank 601 and the second heat exchange water tank 603 are set as continuously bent and folded water tanks, and they are horizontally and vertically staggered, which is convenient for better collecting and exchanging the heat of the flue gas. The remaining heat is exchanged through the top third water tank. The internal of the third heat exchange water tank 605 is evenly provided with heat collection channels, which is convenient for absorbing the remaining heat. The heat exchange effect of the third heat exchange water tank 605 located at the top is poor, and the hot water inside needs to be introduced into the first heat exchange water tank 601 through the circulating water pipe 612 for continuous heat exchange. The cold water inlet pipe 607 introduces cold water into the first heat exchange water tank 601, and the solenoid valve 614 controls the inlet and outlet of cold water. The first heat exchange water tank 601 is connected to the second heat exchange water tank 603 through the first diversion pipe 608, and the second heat exchange water tank 603 is connected to the third heat exchange water tank 605 through the second diversion pipe 609. The circulating booster pump 613 and the circulating water pipe 612 facilitate the circulation of hot water among the first heat exchange water tank 601, the second heat exchange water tank 603, and the third heat exchange water tank 605. A temperature sensor is arranged inside the hot water outlet pipe 610. When the set temperature is reached, the solenoid valve 614 can be opened to control the discharge of hot water, which is convenient for multiple heat exchanges of the flue gas heat, can reduce heat loss. The exhaust connection pipe 661 facilitates the connection of the condensate funnel 662 and the exhaust pipe 8. The smoke outlet 664 facilitates smoke exhaust. The condensate condenses on the inner wall of the condensate funnel 662, and the condensate drops fall into the water collecting tank 663 through the slope and are discharged through the condensate drain pipe 611, which is convenient and fast; The threaded joint 702 mates with the first thread 701 to facilitate connection and fixation to the cold water inlet pipe 607. The threaded joint 702 and the water connection pipe 715 are interconnected with the filter sleeve 704. The filter cotton 705 is arranged on both sides of the activated carbon filter element 706 to facilitate filtering of impurities in the cold water, reducing the problem of calcium in the water condensing on the inner wall of the heat exchange water tank during the heat exchange process, and can assist in improving the heat exchange effect. The filter cotton 705 and the activated carbon filter element 706 need to be replaced regularly. They are connected through the round block 709 and the round slot 707, and the connecting rod 710 is connected to the connecting hole 708 to facilitate fixing the filter cotton 705 and the activated carbon filter element 706. During replacement, simply pull out the filter cotton 705 and the activated carbon filter element 706 by removing the hook 711 for replacement, which is convenient for improving the filtering effect. The threaded coil 713 mates with the second thread 712 to facilitate fixation outside the filter sleeve 704. The sealing washer 716 helps improve the connection tightness, and the auxiliary handle 714 facilitates turning the threaded coil 713 for convenient disassembly and assembly.

[0025] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than limiting the protection scope of the present invention. Any simple modification or equivalent replacement made by those of ordinary skill in the art to the technical solution of the present invention shall not depart from the essence and scope of the technical solution of the present invention.

Claims

1. A condensing energy-saving gas heating and hot water boiler, characterized in that: It includes a hot water furnace body (1). Inside the hot water furnace body (1), there is a flue gas chamber (2). At the bottom of the flue gas chamber (2), there is a pulse igniter (5). Above the pulse igniter (5), there is a condensation heat exchange mechanism (6). On one side of the condensation heat exchange mechanism (6), there is a water inlet filtering mechanism (7). At the top of the hot water furnace body (1), there is a smoke exhaust pipe (8) communicating with the flue gas chamber (2). The condensation heat exchange mechanism (6) includes a second hot water exchange tank (603) arranged above a first hot water exchange tank (601), a third hot water exchange tank (605) arranged above the second hot water exchange tank (603), a condensate collection component (66) arranged above the third hot water exchange tank (605). On one side of the bottom of the first hot water exchange tank (601), there is a connected cold water inlet pipe (607). On the other side of the top of the first hot water exchange tank (601), it is connected to the second hot water exchange tank (603) through a first diversion pipe (608). On one side of the top of the second hot water exchange tank (603), it is connected to one side of the third hot water exchange tank (605) through a second diversion pipe (609). At the bottom of the other side of the third hot water exchange tank (605), there is a connected hot water outlet pipe (610). One end of a circulating water pipe (612) is connected to the hot water outlet pipe (610), and the other end of the circulating water pipe (612) is connected to the first hot water exchange tank (601). A circulating booster pump (613) is arranged on the circulating water pipe (612).

2. The condensing energy-saving gas heating and hot water boiler according to claim 1, wherein: The water inlet filtering mechanism (7) includes a first thread (701) arranged on the cold water inlet pipe (607). The cold water inlet pipe (607) is threadedly connected to a threaded connection pipe (702) through the first thread (701). On one side of the threaded connection pipe (702), there is a limiting circular plate (703). On one side of the limiting circular plate (703), there is a filtering sleeve (704) connected to the threaded connection pipe (702). The inner wall of the filtering sleeve (704) is provided with filter cotton (705). On one side of the filter cotton (705), there is an activated carbon filter element (706), and on the side of the activated carbon filter element (706), there is also filter cotton (705).

3. A condensing energy-saving gas heating and hot water furnace according to claim 1, characterized in that: The condensate collection component (66) includes a smoke exhaust connection pipe (661) fixedly connected to the bottom of the smoke exhaust pipe (8). At the bottom of the smoke exhaust connection pipe (661), there is a connected condensate funnel (662). At the bottom of the condensate funnel (662), there is a water collection tank (663). At the center of the condensate funnel (662), there is a smoke guiding port (664). At the bottom of the water collection tank (663), there is a connected condensate drain pipe (611).

4. A condensing energy-saving gas heating and hot water boiler according to claim 2, characterized in that: A circular slot (707) is provided on one side of the filter cotton (705), a connecting slot (708) is provided inside the circular slot (707), and the connecting slot (708) is also provided on the activated carbon filter element (706), a circular block (709) matching therewith is provided on the inner wall of the circular slot (707), a connecting rod (710) matching therewith is provided on the inner wall of the connecting slot (708), one end of the connecting rod (710) is connected to one side of the circular block (709), and a disassembly hook (711) is connected to the other end of the connecting rod (710).

5. The condensing energy-saving gas heating and hot water boiler according to claim 2, wherein: The outer circumferential surface of the filter sleeve (704) is provided with a second thread (712); the filter sleeve (704) is threadably connected to the threaded spiral tube (713) by means of the second thread (712); an auxiliary handle (714) is provided on the outside of the threaded spiral tube (713); a communicating water receiving pipe (715) is provided on one side of the threaded spiral tube (713); and a sealing gasket (716) is provided between the limiting circular plate (703) and the threaded spiral tube (713).

6. A condensing energy-saving gas heating and hot water furnace according to claim 1, characterized in that: The cold water inlet pipe (607) is provided with a solenoid valve (614), and the hot water outlet pipe (610) is also provided with a solenoid valve (614).

7. A condensing energy-saving gas heating and hot water boiler according to claim 1, characterized in that: A first support block (602) for supporting a second heat exchange tank (603) is provided on the top of the first heat exchange tank (601), and a second support block (604) for supporting a third heat exchange tank (605) is provided on the top of the second heat exchange tank (603).

8. A condensing energy-saving gas heating and hot water furnace according to claim 1, characterized in that: A gas inlet pipe (3) is provided on one side of the bottom of the water heater body (1), and an air inlet pipe (4) is provided on the other side of the bottom of the water heater body (1).

9. A condensing energy-saving gas heating and hot water boiler according to claim 1, characterized in that: The outer wall of the water heater body (1) is provided with a touch display screen (9).

10. A condensing energy-saving gas heating and hot water boiler according to claim 1, characterized in that: A receiving platform (10) is provided at the bottom of the smoke cavity (2), and the receiving platform (10) is provided at the bottom of the first water exchange tank (601).

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