Environment-friendly energy-saving instant water heater

Abstract

The utility model discloses an environment-friendly energy-saving instant water heater. The device comprises a rotary flow guide heating structure, a combustion heating mechanism and a breathable heat storage purification structure which are arranged in a shell, the rotary flow guide heating structure comprises a rotary liquid guide heating coil and a liquid storage heating cavity, the rotary liquid guide heating coil is connected to the upper portion of the liquid storage heating cavity, and a combustion chamber and a combustion opening of the combustion heating mechanism are connected to the lower portion of the liquid storage heating cavity. The combustion chamber is arranged in the liquid storage heating chamber, a combustion outlet of the combustion chamber is connected to the upper end of the combustion chamber, and the breathable heat storage purification structure comprises a breathable heat storage layer, a fire blocking heat preservation layer and a gas purification layer. The utility model has the advantages that the design of combining the combustion heat storage structure and the rotary coil pipe is adopted, so that the heating efficiency of water is improved, and the instant heat treatment effect of the water is realized. Production is stable and safe, the heating heat utilization rate is high, meanwhile, waste gas is purified through the gas purification layer, no waste gas is discharged, and the energy-saving and environment-friendly effects can be achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of production heating equipment, and more specifically, especially to an environmentally friendly and energy-saving instant hot water boiler. Background Art

[0002] In the production and processing industry, many equipment need to be connected to heating equipment to assist in production. Hot water heating equipment is one of the heating equipment. Hot water heating equipment heats water at room temperature to the temperature required for production through combustion and then delivers the hot water to the heat-using production equipment.

[0003] Most of the existing hot water heating equipment uses the method of directly burning and heating the water stored in the water tank to raise the water temperature to the heating temperature. This heating method has the disadvantages of low heating efficiency, slow heating speed, heat loss to the air after combustion and heating, low energy utilization rate, fast heat loss, and inability to recycle. In addition, a large amount of waste gas will be discharged after combustion and heating, which will seriously pollute the environment. Users also need to invest a lot of money in purification treatment, which increases the user's production cost and has poor environmental protection.

[0004] In view of this, it is necessary to propose a new structure of efficient and environmentally friendly hot water heating equipment to meet the needs of existing heating equipment production and efficient production of enterprises. Utility Model Content

[0005] The purpose of the utility model is to provide an environmentally friendly and energy-saving instant hot water boiler with reasonable structural design, fast heating, high heating utilization rate, instant heating function, rapid heating purpose, and no pollution exhaust gas discharge to solve the problems existing in the above-mentioned existing hot water heating and heating equipment.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An environmentally friendly and energy-saving instant hot water boiler comprises a swirling flow guiding and heating structure, a combustion and heating mechanism, an air-permeable heat storage and purification structure and a heat-insulating and heat-preserving structure arranged in a shell, wherein the combustion and heating mechanism is arranged in the swirling flow guiding and heating structure, the air-permeable heat storage and purification structure is arranged to cover and be arranged above the swirling flow guiding and heating structure, the heat-insulating and heat-preserving structure is arranged to be fitted on the inner wall of the shell, the heat-insulating and heat-preserving structure wraps heat in the shell, reduces the heat loss of the environmentally friendly and energy-saving instant hot water boiler, forms a high-temperature environment in the shell, provides the swirling flow guiding and heating structure with more ideal heat transfer and heating conditions, and improves the heating and heating efficiency of the environmentally friendly and energy-saving instant hot water boiler.

[0008] Furthermore, the swirling flow-conducting and heating structure includes a swirling liquid-conducting heating coil and a liquid storage and heating chamber, the swirling liquid-conducting heating coil is connected and arranged above the liquid storage and heating chamber, the liquid storage and heating chamber is horizontally arranged in the shell, the longitudinal cross-section of the liquid storage and heating chamber is an L-shaped structure, a water supply pipe is arranged behind the liquid storage and heating chamber, the swirling liquid-conducting heating coil includes a water inlet pipe, a swirling coil and a water inlet pipe, the swirling coil is a multi-layer U-shaped duct parallel stacked flow-conducting structure, the use of a multi-layer U-shaped duct parallel stacked flow-conducting structure can allow the water in the swirling coil to have sufficient time to complete heat transfer with the hot air, thereby improving the water heating rate. The convoluted coil is laterally arranged above the liquid storage and heating chamber, the water inlet pipe below the convoluted coil is connected to the liquid storage and heating chamber, the water inlet pipe is connected to the convoluted coil, the water inlet interface of the water inlet pipe and the water supply interface of the water supply pipe are extended out of the outside of the shell, the combustion chamber and the combustion port of the combustion heating mechanism, the combustion chamber is arranged in the liquid storage and heating chamber, the combustion chamber is a J-type combustion chamber structure, the combustion outlet of the combustion chamber is connected and arranged at the upper end of the combustion chamber, the opening direction of the combustion outlet of the combustion chamber is arranged toward the convoluted coil, the combustion port is arranged at the front end of the combustion chamber and connected to the shell, the combustion port The combustion interface extends out of the outer side of the shell, the air-permeable heat storage and purification structure includes an air-permeable heat storage layer, a fire-blocking and heat-insulating layer and a gas purification layer, the air-permeable heat storage layer is connected to the fire-blocking and heat-insulating layer and is arranged above the liquid storage and heating chamber, the air-permeable heat storage layer is coated on the outer side of the spiral coil, a heat storage and heating chamber is formed between the heat storage layer and the liquid storage and heating chamber, the fire-blocking and heat-insulating layer is arranged on the outer side of the air-permeable heat storage layer, and an air-permeable gap is provided between the fire-blocking and heat-insulating layer and the air-permeable heat storage layer, the gas purification layer is arranged above the air-permeable heat storage layer, and the gas purification layer fully filters and purifies the exhaust gas generated after combustion to achieve the effect of pollution-free exhaust. An air outlet is provided at the upper end of the shell, and the air outlet is arranged above the gas purification layer.

[0009] Preferably, the water guide pipes of the multi-layer U-shaped conduit parallel stacked flow guide structure are arranged parallel to each other, and the water guide pipes are connected by U-shaped interfaces to form continuous flow guide pipes, and the continuous flow guide pipes of each layer are stacked from top to bottom.

[0010] Preferably, the breathable heat storage layer is composed of porous heat storage blocks, and the middle array of the porous heat storage blocks is provided with thin air permeable holes.

[0011] Preferably, the air permeability of the thin strips of air permeable holes in the porous heat storage blocks around the air permeable heat storage layer is conveniently arranged in a horizontal direction, and the air permeability of the thin strips of air permeable holes in the porous heat storage blocks above the air permeable heat storage layer is conveniently arranged in a vertical direction.

[0012] Preferably, the gas purification layer is a honeycomb ceramic three-way catalytic layer, and the honeycomb ceramic three-way catalytic layer is laid on top of the air-permeable heat storage layer.

[0013] Preferably, the water inlet interface of the water inlet pipe and the water supply interface of the water supply pipe are extended outwardly at the rear end of the shell, and the combustion interface of the burner port is extended outwardly at the front end of the shell.

[0014] Preferably, the water inlet pipe is connected to a water supply pump, and the water inlet pipe port and the water supply pipe port are connected to a water reservoir through a water pipe.

[0015] Preferably, an L-shaped air duct is horizontally provided on the air outlet to protect the internal structure of the equipment, prevent rainwater or other liquids from directly pouring into the interior through the air outlet, and extend the service life of the environmentally friendly and energy-saving instant water heater.

[0016] Preferably, a drain pipe is provided at the bottom of the liquid storage and heating chamber, and a sewage pipe is provided at the bottom of the combustion chamber. The drain pipe and the sewage pipe are extended outward from the shell. Switch valves are provided at the outer ends of the drain pipe and the sewage pipe to facilitate cleaning and drainage, so as to keep the equipment in efficient production.

[0017] Preferably, a spacing support structure is provided between the spiral coil and the liquid storage and heating chamber to improve heating efficiency.

[0018] Compared with the prior art, the utility model has the following advantages:

[0019] The utility model adopts a combustion heating mechanism and a breathable heat storage purification mechanism to form an efficient combustion heat storage environment, and combines the internal swirling liquid guide heating coil and the liquid storage temperature rising chamber to achieve efficient heating, improve the heating efficiency of water, and realize instant heating treatment of water. Combined with the internal heat storage and breathable structure, it ensures that the working pressure in the furnace of the instant hot water boiler can be maintained within a stable and safe operating range while further improving the utilization rate of heating heat.

[0020] The gas purification layer on the breathable heat storage purification mechanism of the utility model can directly purify the exhaust gas generated by combustion to achieve no exhaust gas discharge. The gas purification layer adopts a honeycomb ceramic three-way catalytic layer to further improve the exhaust purification efficiency of the exhaust gas and maintain good air permeability, thereby reducing pollution, playing a role in energy conservation and environmental protection, and effectively reducing the production cost of the enterprise.

[0021] The utility model provides a drain pipe at the bottom of the liquid storage and heating chamber and a sewage pipe at the bottom of the combustion chamber, which is convenient for users to clean the interior and easy to operate, and avoids the accumulation of long-term residues in the instant hot water boiler to affect the heating efficiency.

[0022] The utility model is connected with a water supply pump and a water storage tank, improves the efficiency of hot water heating and recycling, and has better practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the utility model.

[0024] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0025] Figure 3 It is a front view schematic diagram of the internal structure of the utility model.

[0026] Figure 4 It is a schematic diagram of the combination of the swirling flow-guiding and heating structure and the combustion heating mechanism of the utility model.

[0027] Figure 5 It is a front view schematic diagram of the combination of the swirling flow-guiding and heating structure and the combustion and heating mechanism of the utility model.

[0028] Figure 6 It is a connection combination schematic diagram of the utility model.

[0029] The figures are as follows:

[0030] Swirling flow diversion and heating structure-1, combustion and heating mechanism-2, breathable heat storage and purification structure-3, shell-4, thermal insulation structure-5, water supply pump-6, water reservoir-7, L-shaped air guide duct-8, swirling coil-11, liquid storage and heating chamber-12, water supply pipe-13, water inlet pipe-14, water inlet pipe-15, water guide pipe-16, liquid discharge pipe-17, combustion chamber-21, combustion port-22, combustion outlet-23, sewage pipe-24, breathable heat storage layer-31, fire-blocking and thermal insulation layer-32, gas purification layer-33, thin strip air holes-34, air outlet-41. DETAILED DESCRIPTION

[0031] The utility model is further described below in conjunction with specific implementation methods. The drawings are only used for exemplary descriptions, and are only schematic diagrams, not actual pictures, and cannot be understood as limitations on this patent; in order to better illustrate the embodiments of the utility model, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings may be omitted.

[0032] The same or similar numbers in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and cannot be understood as limitations on this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0033] The present invention is further described below with reference to specific embodiments and accompanying drawings:

[0034] Figures 1 to 6 It is a schematic diagram of each structure of the utility model. Furthermore, the utility model is an environmentally friendly and energy-saving instant hot water boiler, comprising a vortex flow guiding and heating structure 1, a combustion and heating mechanism 2, a breathable heat storage and purification structure 3 and a heat insulation and heat preservation structure 5 arranged in a shell 4, wherein the combustion and heating mechanism 2 is arranged in the vortex flow guiding and heating structure 1, the breathable heat storage and purification structure 3 is arranged on the top of the vortex flow guiding and heating structure 1, and the heat insulation and heat preservation structure 5 is arranged on the inner wall of the shell 4, and the heat insulation and heat preservation structure 5 wraps the heat in the shell 4, reduces the heat loss of the environmentally friendly and energy-saving instant hot water boiler, forms a high temperature environment in the shell 4, provides a more ideal heat transfer and heating condition for the vortex flow guiding and heating structure 1, and improves the heating and heating efficiency of the environmentally friendly and energy-saving instant hot water boiler.

[0035] Furthermore, the vortex guide heating structure 1 includes a vortex liquid guide heating coil and a liquid storage heating chamber 12, the vortex liquid guide heating coil is connected and arranged above the liquid storage heating chamber 12, the liquid storage heating chamber 12 is horizontally arranged in the shell 4, the longitudinal cross-section of the liquid storage heating chamber 12 is an L-shaped structure, and a water supply pipe 13 is provided behind the liquid storage heating chamber 12. The vortex liquid guide heating coil includes a water inlet pipe 14, a vortex coil 11 and a water inlet pipe 15, and the vortex coil 11 is a multi-layer U-shaped duct parallel stacked guide structure. The use of a multi-layer U-shaped duct parallel stacked guide structure can allow the water in the vortex coil 11 to have sufficient time to complete heat transfer with the hot air, thereby improving the water heating rate. The spiral coil 11 is horizontally arranged above the liquid storage and heating chamber 12, the water inlet pipe 15 below the spiral coil 11 is connected to the liquid storage and heating chamber 12, the water inlet pipe 14 is connected to the spiral coil 11, the water inlet interface of the water inlet pipe 14 and the water supply interface of the water supply pipe 13 are extended and arranged on the outside of the shell 4, the combustion chamber 21 and the combustion port 22 of the combustion heating mechanism 2, the combustion chamber 21 is arranged in the liquid storage and heating chamber 12, the combustion chamber 21 is a J-type combustion chamber 21 structure, the combustion outlet 23 of the combustion chamber 21 is connected and arranged at the upper end of the combustion chamber 21, and the opening direction of the combustion outlet 23 of the combustion chamber 21 is toward the spiral coil The coil 11 is arranged, and the combustion port 22 is arranged at the front end of the combustion chamber 21 and connected to the shell 4. The combustion interface of the combustion port 22 extends out and is arranged on the outside of the shell 4. The air-permeable heat storage and purification structure 3 includes an air-permeable heat storage layer 31, a fire-blocking and thermal insulation layer 32 and a gas purification layer 33. The air-permeable heat storage layer 31 is connected to the fire-blocking and thermal insulation layer 32 and is arranged above the liquid storage and heating chamber 12. The air-permeable heat storage layer 31 is coated on the outside of the spiral coil 11, and a heat storage and heating chamber is formed between the heat storage layer 31 and the liquid storage and heating chamber 12. The heat storage and heating chamber locks the combustion hot gas output by the combustion port 22 and allows the combustion hot gas to continue to heat the spiral coil 11. The fire-blocking and heat-insulating layer 32 is arranged on the outside of the breathable heat storage layer 31, and an air-permeable gap is provided between the fire-blocking and heat-insulating layer 32 and the breathable heat storage layer 31. The gas purification layer 33 is arranged above the breathable heat storage layer 31, and the gas purification layer 33 fully filters and purifies the exhaust gas generated after combustion to achieve the effect of pollution-free exhaust.

[0036] Furthermore, an air outlet 41 is formed at the upper end of the shell 4, and the air outlet 41 is arranged above the gas purification layer 33. Preferably, the water guide pipes 16 of the multi-layer U-shaped conduit parallel stacked flow guide structure are arranged in parallel with each other, and the water guide pipes 16 are connected by U-shaped interfaces to form a continuous flow guide pipe, and the continuous flow guide pipes of each layer are stacked from top to bottom.

[0037] Preferably, the breathable heat storage layer 31 is composed of porous heat storage blocks, and the middle array of the porous heat storage blocks is provided with thin air holes 34, which lock in the heat generated by combustion.

[0038] Preferably, the thin strip air holes 34 in the porous heat storage blocks around the breathable heat storage layer 31 are arranged horizontally for ventilation convenience, and the thin strip air holes 34 in the porous heat storage blocks above the breathable heat storage layer 31 are arranged vertically for ventilation convenience.

[0039] Preferably, the gas purification layer 33 is a honeycomb ceramic three-way catalytic layer, which is laid on top of the breathable heat storage layer 31, effectively improving the purification effect and air permeability of the gas purification layer 33, achieving a more ideal pollution-free exhaust effect.

[0040] Preferably, the water inlet interface of the water inlet pipe 14 and the water supply interface of the water supply pipe 13 are extended outwardly at the rear end of the shell 4 , and the combustion interface of the burner port 22 is extended outwardly at the front end of the shell 4 .

[0041] Preferably, the water inlet pipe 14 is connected to the water supply pump 6, and the water inlet pipe 14 and the water supply pipe 13 are connected to the water reservoir 7 through a water pipe.

[0042] Preferably, an L-shaped air duct 8 is horizontally provided on the air outlet 41 to protect the internal structure of the equipment, prevent rainwater or other water from directly pouring into the interior through the air outlet 41, and extend the service life of the environmentally friendly and energy-saving instant water heater.

[0043] Preferably, a drain pipe 17 is provided at the bottom of the liquid storage and heating chamber 12, and a sewage pipe 24 is provided at the bottom of the combustion chamber 21. The drain pipe 17 and the sewage pipe 24 are extended outward from the shell 4. Switch valves are provided at the outer ends of the drain pipe 17 and the sewage pipe 24 to facilitate cleaning and drainage and keep the equipment in efficient production.

[0044] Preferably, a spacing support structure is provided between the spiral coil 11 and the liquid storage and heating chamber 12 to improve heating efficiency.

[0045] First embodiment:

[0046] When in use, it is combined and connected with the heat-using equipment, the water inlet pipe 14 is connected to the water supply part, water flows into the vortex liquid guiding heating coil, the burner is connected to the combustion port 22, the burner is started, and combustion and heating are carried out in the combustion chamber 21. The hot gas enters the breathable heat storage layer 31 from the combustion outlet 23 to form a heat storage heating chamber to heat the water flowing into the vortex coil 11, so that the temperature of the water in the vortex coil 11 increases, and the hot water in the heated vortex coil 11 flows from the water inlet pipe 15 into the liquid storage and heating chamber 12, and the combustion chamber 21 reheats the hot water in the liquid storage and heating chamber 12 to increase the temperature of the water in the liquid storage and heating chamber 12 to the temperature required by the heat-using equipment. The heated hot water is connected from the water supply pipe 13 and transported to the heat-using equipment for heating, thereby playing the role of instant heating.

[0047] The heat generated during combustion heating is locked in the heat storage heating chamber by the breathable heat storage layer 31, and the hot gas leaks out from the thin air holes 34 into the air permeable gap. The hot gas with impurities passes through the gas purification layer 33 and is purified before being discharged from the gas outlet 41 without causing pollution.

[0048] Furthermore, the water inlet interface of the water inlet pipe 14 and the water supply interface of the water supply pipe 13 are extended outwardly from the rear end of the shell 4, and the combustion interface of the burner 22 is extended outwardly from the front end of the shell 4. The water inlet pipe 14 is connected to the water supply pump 6, and the water inlet pipe 14 and the water supply pipe 13 are connected to the water reservoir 7 through a water pipe.

[0049] When in use, the water supply pump 6 flows the water in the water reservoir 7 from the water inlet pipe 14 into the swirling backflow heating structure 1, and the water is heated by the combustion heating mechanism 2 in cooperation with the breathable heat storage purification structure 3 to the required temperature for heat use, and then flows from the water supply pipe and is stored in the water reservoir 7. The water reservoir 7 is connected to the heat-using equipment to transport and supply hot water to the heat-using equipment.

[0050] Furthermore, the gas purification layer 33 adopts a honeycomb ceramic three-way catalytic layer, which is laid on top of the breathable heat storage layer 31 to improve the purification effect and air permeability of the gas purification layer 33 and achieve a more ideal pollution-free air outlet effect.

[0051] After many actual heating tests, water at room temperature (27°C) is heated by the swirling diversion heating structure 1 through the combustion heating mechanism 2 in cooperation with the breathable heat storage purification structure 3. The water temperature can be raised to 80°C in 11-13 minutes and to 85°C in 16-18 minutes. The heating efficiency from room temperature to 85°C is 3.41-3.68°C / min on average. The temperature rises quickly, the temperature in the furnace can be maintained above 480°C, and the heating environment temperature provided by the combustion heating mechanism 2 is stable.

[0052] Second embodiment:

[0053] This embodiment is similar to the first embodiment, except that, in this embodiment, a drain pipe 17 is provided at the bottom of the liquid storage and heating chamber 12, and a sewage pipe 24 is provided at the bottom of the combustion chamber 21. The drain pipe 17 and the sewage pipe 24 extend outward from the shell 4, and switch valves are provided at the outer ends of the drain pipe 17 and the sewage pipe 24.

[0054] After use, if the environmentally friendly and energy-saving instant hot water boiler provided by the utility model needs to be cleaned, the switch valve can be opened to discharge the cleaned water in the liquid storage and heating chamber 12 and the combustion chamber 21, and the internal impurities can be cleaned out together. The cleaning effect is good, and the equipment maintains a high heating efficiency.

[0055] Third embodiment:

[0056] This embodiment is similar to the first embodiment, except that in this embodiment, a spacing support structure is provided between the spiral coil 11 and the liquid storage and heating chamber 12, providing sufficient heat transfer space, which can effectively improve the heating efficiency. In this embodiment, an L-shaped air duct 8 is also horizontally provided on the air outlet 1 to protect the internal structure of the device, prevent rainwater or other liquids from directly pouring into the interior from the air outlet 41, and extend the service life of the environmentally friendly and energy-saving instant hot water boiler.

[0057] Obviously, the above embodiments of the utility model are only examples for clearly explaining the utility model, and are not intended to limit the implementation methods of the utility model. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is not necessary and impossible to list all the implementation methods here. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. An environmentally friendly and energy-saving instant hot water boiler, characterized in that: The invention comprises a swirling flow guiding and heating structure (1), a combustion heating mechanism (2), a breathable heat storage and purification structure (3) and a heat insulation and heat preservation structure (5) arranged in a shell (4); the combustion heating mechanism (2) is arranged in the swirling flow guiding and heating structure (1); the breathable heat storage and purification structure (3) is arranged to cover the top of the swirling flow guiding and heating structure (1); the heat insulation and heat preservation structure (5) is arranged to fit the inner wall of the shell (4); the swirling flow guiding and heating structure (1) comprises a swirling liquid guiding heating coil and a liquid storage and heating chamber (12); the swirling liquid guiding heating coil is connected and arranged above the liquid storage and heating chamber (12); the liquid storage and heating chamber (12) is arranged horizontally in the shell (4); and the liquid storage and heating chamber (12) is provided with a plurality of heat insulation structures. The longitudinal cross-section is an L-shaped structure. A water supply pipe (13) is provided at the rear of the liquid storage and heating chamber (12). The swirling liquid conduction heating coil comprises a water inlet pipe (14), a swirling coil (11) and a water inlet pipe (15). The swirling coil (11) is a multi-layer U-shaped duct parallel stacked flow guide structure. The swirling coil (11) is arranged horizontally above the liquid storage and heating chamber (12). The water inlet pipe (15) below the swirling coil (11) is connected to the liquid storage and heating chamber (12). The water inlet pipe (14) is connected to the swirling coil (11). The water inlet interface of the water inlet pipe (14) and the water supply interface of the water supply pipe (13) are extended out of the outside of the shell (4). The combustion chamber (2) of the combustion heating mechanism (2) 1) and a combustion port (22), the combustion chamber (21) being arranged in the liquid storage temperature-raising chamber (12), the combustion chamber (21) being a J-shaped combustion chamber (21) structure, the combustion outlet (23) of the combustion chamber (21) being connected and arranged at the upper end of the combustion chamber (21), the opening direction of the combustion outlet (23) of the combustion chamber (21) being arranged toward the rotating coil (11), the combustion port (22) being arranged at the front end of the combustion chamber (21) and connected to the shell (4), the combustion interface of the combustion port (22) extending outward from the outside of the shell (4), the air-permeable heat storage and purification structure (3) comprising an air-permeable heat storage layer (31), a fire-blocking heat-insulating layer (32) and a gas purification layer ( 33), the air permeable heat storage layer (31) and the fire-blocking heat-insulating layer (32) are connected and arranged above the liquid storage temperature-raising chamber (12), the air permeable heat storage layer (31) is arranged to cover the outside of the spiral coil (11), the fire-blocking heat-insulating layer (32) is arranged on the outside of the air permeable heat storage layer (31), a heat storage and heating chamber is formed between the heat storage layer (31) and the liquid storage temperature-raising chamber (12), an air permeable gap is provided between the fire-blocking heat-insulating layer (32) and the air permeable heat storage layer (31), the gas purification layer (33) is arranged above the air permeable heat storage layer (31), and an air outlet (41) is provided at the upper end of the shell (4), and the air outlet (41) is arranged above the gas purification layer (33).

2. The environmentally friendly and energy-saving instant hot water boiler according to claim 1, characterized in that: The water guide pipes (16) of the multi-layer U-shaped conduit parallel stacked flow guide structure are arranged parallel to each other, and the water guide pipes (16) are connected by U-shaped interfaces to form continuous flow guide pipes, and the continuous flow guide pipes of each layer are stacked from top to bottom.

3. The environmentally friendly and energy-saving instant hot water boiler according to claim 1, characterized in that: The breathable heat storage layer (31) is composed of porous heat storage blocks spliced ​​together, and thin strips of breathable holes (34) are arranged in an array in the middle of the porous heat storage blocks.

4. The environmentally friendly and energy-saving instant hot water boiler according to claim 3, characterized in that: The air permeability of the thin strip air permeable holes (34) in the porous heat storage block around the air permeable heat storage layer (31) is conveniently arranged in a horizontal direction, and the air permeability of the thin strip air permeable holes (34) in the porous heat storage block above the air permeable heat storage layer (31) is conveniently arranged in a longitudinal direction.

5. The environmentally friendly and energy-saving instant hot water boiler according to claim 1, characterized in that: The gas purification layer (33) is a honeycomb ceramic three-way catalytic layer, and the honeycomb ceramic three-way catalytic layer is laid on top of the air-permeable heat storage layer (31).

6. The environmentally friendly and energy-saving instant hot water boiler according to claim 1, characterized in that: The water inlet interface of the water inlet pipe (14) and the water supply interface of the water supply pipe (13) are arranged outside the rear end of the shell (4), and the combustion interface of the combustion port (22) is arranged outside the front end of the shell (4).

7. An environmentally friendly and energy-saving instant hot water boiler according to claim 1 or 6, characterized in that: The water inlet pipe (14) is connected to the water supply pump (6), and the water inlet pipe (14) and the water supply pipe (13) are connected to the water reservoir (7) via a water pipe.

8. The environmentally friendly and energy-saving instant hot water boiler according to claim 1, characterized in that: A liquid drain pipe (17) is provided at the bottom of the liquid storage and heating chamber (12), and a sewage drain pipe (24) is provided at the bottom of the combustion chamber (21). The liquid drain pipe (17) and the sewage drain pipe (24) extend outwardly from the shell (4), and switch valves are provided at the outer ends of the liquid drain pipe (17) and the sewage drain pipe (24).

9. The environmentally friendly and energy-saving instant hot water boiler according to claim 1, characterized in that: An L-shaped air guide pipe (8) is transversely arranged on the air outlet (41).

10. The environmentally friendly and energy-saving instant hot water boiler according to claim 1, characterized in that: A spacing support structure is provided between the rotating coil (11) and the liquid storage and heating chamber (12).

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