Inner sleeve type heating inner container and heating stove
By using an inner heating liner structure and a sandwich design between the outer sleeve and the inner sleeve assembly, the problem of low heat utilization rate in traditional coal-fired heating boilers is solved, achieving a highly efficient heating effect.
Patent Information
- Application Number
- CN202520559635.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Traditional coal-fired heating stoves have low heat utilization rates and poor heating effects.
It adopts an inner heating tank structure, including an outer sleeve assembly and an inner sleeve assembly. A sandwich structure is formed between the outer sleeve body and the inner sleeve body. Multiple heating tubes are arranged circumferentially. Water flows inside the inner and outer sleeves and heating tubes. Flames burn on both the inner and outer sides of the inner sleeve body to heat the water flow.
It significantly improves heat utilization and heating effect by extending the water flow path and increasing the heating area to achieve efficient heating.
Smart Images
Figure CN223909731U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a heating stove technical field, concretely relates to a heating inner container of inner sleeve type and heating stove. BACKGROUND
[0002] Coal heating stove is a kind of heating device with coal as main fuel, and is used in the area without central heating or without gas heating condition.The heating principle of coal heating stove is to heat water by the heat energy generated by burning coal, then hot water is transferred to heating system, so that building obtains heat energy, thereby realizing the function of heating.The traditional coal heating stove is mainly composed of combustion chamber, heating circuit and control system, and the combustion chamber is the core part of coal heating stove, which usually adopts water jacket structure, and the water in the water jacket is heated by flame burning inside.The traditional heating stove has limited heating area, and heat utilization rate is low, and heating effect is poor. SUMMARY
[0003] The utility model discloses a heating inner container of inner sleeve type and heating stove to solve the above-mentioned technical problems in the prior art, and the preferred technical solutions in the many technical solutions provided by the utility model can produce many technical effects, which are described in detail below.
[0004] To achieve the above object, the utility model provides the following technical scheme:
[0005] The utility model provides a heating inner container of inner sleeve type, including outer sleeve subassembly and the inner sleeve subassembly of coaxial setting in the inside of outer sleeve subassembly, wherein: the outer sleeve subassembly includes the outer sleeve body of setting as sandwich structure, and the inside of outer sleeve body is uniformly communicated with a plurality of first heating tubes along the circumference;The inner sleeve subassembly includes the inner sleeve body of setting as sandwich structure, and the inner sleeve body is set in the inside of outer sleeve body and is communicated with outer sleeve body;The inner sleeve body is uniformly communicated with a plurality of second heating tubes along the circumference.
[0006] Preferably, the inside of the inner sleeve body is uniformly communicated with a plurality of the second heating tubes along the circumference.
[0007] Preferably, the outside of the inner sleeve body is uniformly communicated with a plurality of the second heating tubes along the circumference.
[0008] Preferably, the axial length of the outer sleeve body is not less than the axial length of the inner sleeve body; the first heating pipe is arranged along the axial direction of the outer sleeve body, the top end of the first heating pipe is communicated at a position close to the top end of the outer sleeve body, and the bottom end of the first heating pipe is communicated at a position close to the bottom end of the outer sleeve body; the second heating pipe is arranged along the axial direction of the inner sleeve body, the top end of the second heating pipe is communicated at a position close to the top end of the inner sleeve body, and the bottom end of the second heating pipe is communicated at a position close to the bottom end of the inner sleeve body.
[0009] Preferably, the inner wall of the outer sleeve body is provided with a water inlet pipe and a first communication pipe at a position close to the bottom end, and the first communication pipe is communicated with the inner sleeve body; the inner wall of the outer sleeve body is provided with a water outlet pipe and a second communication pipe at a position close to the top end, and the second communication pipe is communicated with the inner sleeve body.
[0010] The utility model provides a kind of heating stove, including the inner sleeve type heating inner container described in any of the foregoing.
[0011] Preferably, the heating stove includes a housing assembly and a water tank assembly, wherein: the housing assembly includes a base, a lower housing and an upper housing arranged in order from bottom to top, the lower housing is provided with a first combustion chamber, the water tank assembly is arranged in the first combustion chamber, the upper housing is provided with a second combustion chamber, the inner sleeve type heating inner container is arranged in the second combustion chamber, and the water tank assembly is communicated with the inner sleeve type heating inner container.
[0012] Preferably, the water tank assembly includes a water storage tank and a heating coil pipe communicated with the water storage tank, wherein: the water storage tank is arranged in the first combustion chamber; the heating coil pipe is arranged in the first combustion chamber and below the inner sleeve type heating inner container, the water inlet end of the heating coil pipe is connected with the water storage tank, and the water outlet end of the heating coil pipe is connected with the water inlet pipe of the outer sleeve body.
[0013] Preferably, the top wall of the lower housing is provided with a coal filling port communicated with the first combustion chamber, a furnace cover is arranged at the position of the coal filling port, the side wall of the lower housing is provided with a firewood filling port communicated with the first combustion chamber, a furnace door is arranged at the position of the firewood filling port; the bottom of the first combustion chamber is provided with a fuel grate, the fuel grate is arranged at one side of the water tank assembly, and a collection chamber is arranged below the fuel grate in the lower housing; a drawer type dust collecting tray is movably arranged in the collection chamber, an opening is arranged on the lower housing and communicated with the collection chamber, the drawer type dust collecting tray can move into or out of the collection chamber along the opening, and an air inlet is arranged on the side wall of the drawer type dust collecting tray away from the collection chamber.
[0014] Preferably, the heating stove comprises a smoke exhaust assembly, the smoke exhaust assembly comprises a variable-diameter smoke pipe and a first smoke pipe flap, the variable-diameter smoke pipe is arranged at the top of the upper shell and is in communication with the top end of the inner sleeve type heating inner container, and the first smoke pipe flap is arranged on the variable-diameter smoke pipe; the smoke exhaust assembly comprises a smoke pipe for communicating with the floor and a second smoke pipe flap, the smoke pipe for communicating with the floor is connected with the first combustion chamber, and the second smoke pipe flap is arranged on the smoke pipe for communicating with the floor.
[0015] The inner sleeve type heating inner container and the heating stove provided by the utility model have at least the following beneficial effects:
[0016] The inner sleeve type heating inner container comprises an outer sleeve assembly and an inner sleeve body assembly coaxially arranged inside the outer sleeve assembly, the outer sleeve assembly and the inner sleeve assembly are matched with each other, and the heat energy generated during combustion can be effectively utilized to heat water, thereby playing a role of heating.
[0017] The outer sleeve assembly comprises an outer sleeve body arranged in a sandwich structure, a plurality of first heating pipes are arranged in the outer sleeve body in a circumferential communication mode, the inner sleeve assembly comprises an inner sleeve body arranged in a sandwich structure, the inner sleeve body is arranged inside the outer sleeve body and is in communication with the outer sleeve body, and a plurality of second heating pipes are arranged in the inner sleeve body in a circumferential communication mode; during use, water flows in the outer sleeve body, the first heating pipes, the inner sleeve body and the second heating pipes, at the same time, the flame burns on the inner and outer sides of the inner sleeve body and heats the water flow, thereby realizing heating, the plurality of circumferentially distributed first heating pipes and the plurality of circumferentially distributed second heating pipes not only can prolong the water flow path, but also can increase the heating area, thereby greatly improving the heat utilization rate and remarkably improving the heating effect.
[0018] The inner sleeve body and the outer sleeve body are matched to form a sleeved sandwich double-water-jacket structure, and are matched with the circumferentially distributed first heating pipes and the second heating pipes, so that the heating area is large, the water flow path is prolonged, the heat utilization rate is effectively improved, and the heating effect is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.
[0020] Figure 1 It is a structure schematic view of an embodiment of the inner sleeve type heating inner container of the utility model;
[0021] Figure 2is a top view schematic diagram of the inner sleeve type heating inner container one embodiment of the utility model;
[0022] Figure 3 is a sectional view schematic diagram of the inner sleeve type heating inner container one embodiment of the utility model;
[0023] Figure 4 is a structure schematic diagram of another embodiment of the inner sleeve type heating inner container of the utility model;
[0024] Figure 5 is a top view schematic diagram of another embodiment of the inner sleeve type heating inner container of the utility model;
[0025] Figure 6 is a structure schematic diagram of one view of the heating stove of the utility model;
[0026] Figure 7 is a structure schematic diagram of another view of the heating stove of the utility model;
[0027] Figure 8 is a sectional view schematic diagram of the heating stove of the utility model
[0028] Figure 9 is a structure schematic diagram of another embodiment of the heating stove of the utility model.
[0029] Reference signs
[0030] 1, inner sleeve type heating inner container;11, outer sleeve assembly;111, outer sleeve body;112, first heating pipe;12, inner sleeve assembly;121, inner sleeve body;122, second heating pipe;13, water inlet pipe;14, first communication pipe;15, water outlet pipe;16, second communication pipe;2, shell assembly;21, base;22, lower shell;221, first combustion chamber;222, collection chamber;23, upper shell;231, second combustion chamber;24, stove cover;25, stove door;26, fuel grate;27, drawer type dust collecting tray;3, water tank assembly;31, water storage tank;32, heating coil;4, smoke exhaust assembly;41, variable diameter smoke pipe;42, first smoke pipe flap;43, through kang smoke pipe;44, second smoke pipe flap. DETAILED DESCRIPTION
[0031] In order to make the purpose, technical scheme and advantage of the utility model more clear, the technical scheme of the utility model will be described in detail below. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making the creative labor, belong to the scope of the utility model.
[0032] Embodiment 1:
[0033] The utility model provides a kind of inner sleeve type heating inner container, refer to Figures 1 to 5 As shown, the inner sleeve type heating inner container includes outer sleeve assembly 11 and inner sleeve assembly 12, inner sleeve assembly 12 is arranged inside outer sleeve assembly 11, and it is coaxially arranged with outer sleeve assembly 11.
[0034] Outer sleeve assembly 11 includes outer sleeve body 111, and outer sleeve body 111 is a jacket structure, and an outer annular cavity for water flow is arranged inside, and a plurality of first heating pipes 112 are arranged in communication along the circumference in the inside of outer sleeve body 111.
[0035] Inner sleeve assembly 12 includes inner sleeve body 121, and inner sleeve body 121 is a jacket structure, and an inner annular cavity for water flow is arranged inside, and inner sleeve body 121 is coaxially arranged inside outer sleeve body 111, and it is communicated with outer sleeve body 111;A plurality of second heating pipes 122 are arranged in communication along the circumference in inner sleeve body 121.
[0036] When using, water flow flows in outer sleeve body 111, first heating pipe 112, inner sleeve body 121 and second heating pipe 122, and at the same time, flame is heated on the inside of outer sleeve body 111 on the inside and outside of inner sleeve body 121, so as to realize heating.
[0037] In the above process, outer sleeve body 111 and inner sleeve body 121 cooperate with each other to form a sleeved double-water-jacket structure, and cooperate with the first heating pipe 112 and the second heating pipe 122 distributed along the circumference, have greater heating area and longer water flow path, can greatly improve the heat utilization rate and improve the heating effect.
[0038] Example 2:
[0039] Example 2 is based on example 1:
[0040] As Figures 1 to 3 As shown, a plurality of second heating pipes 122 are arranged in communication along the circumference evenly in the inside of inner sleeve body 121.
[0041] In this way, on the one hand, the second heating pipe 122 is arranged evenly, which makes the heating more uniform, and on the other hand, the second heating pipe 122 is located on the inside of the inner sleeve body 121, which can make full use of the internal space of the inner sleeve body 121, and on the basis of ensuring the heat utilization rate, the structure is more compact.
[0042] As an optional implementation, the axial length of the outer sleeve body 111 is not less than the axial length of the inner sleeve body 121;Preferably, the axial length of the outer sleeve body 111 is greater than the axial length of the inner sleeve body 121.
[0043] The first heating pipe 112 is arranged along the axial direction of the outer sleeve body 111, the top end of the first heating pipe 112 is connected to the position close to the top end of the outer sleeve body 111, and the bottom end of the first heating pipe 112 is connected to the position close to the bottom end of the outer sleeve body 111.
[0044] The first heating pipe 112 is arranged along the axial direction of the outer sleeve body 111, the top end of the first heating pipe 112 is connected to the position close to the top end of the outer sleeve body 111, and the bottom end of the first heating pipe 112 is connected to the position close to the bottom end of the outer sleeve body 111.
[0045] In this way, the first heating pipe 112 can further increase the heating area and prolong the water flow path.
[0046] The second heating pipe 122 is arranged along the axial direction of the inner sleeve body 121, the top end of the second heating pipe 122 is connected to the position close to the top end of the inner sleeve body 121, and the bottom end of the second heating pipe 122 is connected to the position close to the bottom end of the inner sleeve body 121.
[0047] The structure and function of the second heating pipe 122 are the same as those of the first heating pipe 112.
[0048] As an optional embodiment, the inner wall of the outer sleeve body 111 is provided with a water inlet pipe 13 and a first connecting pipe 14 at a position close to the bottom end, and the first connecting pipe 14 is connected to the inner sleeve body 121.
[0049] The water inlet pipe 13 and the first connecting pipe 14 are both arranged along the radial direction of the outer sleeve body 111, the water inlet pipe 13 is connected to the heating coil 32 of the water tank assembly 3, and the first connecting pipe 14 connects the inner and outer sleeve bodies, so that the water in the outer sleeve body 111 can be distributed to the inner sleeve body 121.
[0050] In actual application, the number of the first connecting pipe 14 is one or more.
[0051] The inner wall of the outer sleeve body 111 is provided with a water outlet pipe 15 and a second connecting pipe 16 at a position close to the top end, and the second connecting pipe 16 is connected to the inner sleeve body 121.
[0052] The water outlet pipe 15 and the second connecting pipe 16 are both arranged along the radial direction of the inner sleeve body 121, and the water outlet pipe 15 is used for leading out hot water, which is convenient for users to take warm water.
[0053] Embodiment 3
[0054] The difference between Embodiment 3 and Embodiment 2 is that:
[0055] For example, Figure 4 and Figure 5As shown, the outer portion of the inner sleeve body 121 is uniformly and circumferentially connected with a plurality of second heating pipes 122.
[0056] The second heating pipe 122 of this embodiment is arranged on the outer side of the inner sleeve body 121 and staggered with the first heating pipe 112, which can provide more space inside the inner sleeve body 121 and is suitable for small and compact heating inner liner.
[0057] Embodiment 4
[0058] Embodiment 4 is based on Embodiment 2:
[0059] The outer portion of the inner sleeve body 121 is uniformly and circumferentially connected with a plurality of second heating pipes 122.
[0060] This embodiment is provided with second heating pipes 122 on both the inner and outer sides of the inner sleeve body 121, and the second heating pipes 122 on the outer side of the inner sleeve body 121 are arranged staggered with the first heating pipe 112, which has more heating pipes and can provide larger heating area and longer water flow path.
[0061] Embodiment 5
[0062] Embodiment 5 is based on any of the preceding embodiments:
[0063] The utility model provides a kind of heating stove, such as Figures 6 to 9 As shown, the heating stove comprises an inner sleeve type heating inner liner 1.
[0064] The heating stove further comprises a shell assembly 2 and a water tank assembly 3.
[0065] The shell assembly 2 is a heat preservation shell, which comprises a base 21, a lower shell 22 and an upper shell 23 arranged in sequence from bottom to top, the lower shell 22 is a horizontal shell, which is provided with a first combustion chamber 221 inside, the water tank assembly 3 is arranged in the first combustion chamber 221, the upper shell 23 is a vertical shell, which can be arranged in cylindrical shape or prismatic shape, etc., which is provided with a second combustion chamber 231 inside, the second combustion chamber 231 and the first combustion chamber 221 are communicated, the inner sleeve type heating inner liner 1 is coaxially arranged in the second combustion chamber 231, the water tank assembly 3 is communicated with the inner sleeve type heating inner liner 1, and the base 21 is directly in contact with the ground, which can ensure the stability of the whole device.
[0066] The water tank assembly 3 can store circulating water on one hand, and on the other hand, it is arranged in the first combustion chamber 221, so that the flame can directly act on the water tank assembly 3, which is convenient for rapid heating of circulating water.
[0067] As an optional implementation, the water tank assembly 3 comprises a water storage tank 31 and a heating coil 32, the water storage tank 31 is arranged in the first combustion chamber 221; the heating coil 32 is arranged in the first combustion chamber 221 and below the inner sleeve type heating liner 1, the water inlet end of the heating coil 32 is connected with the water storage tank 31, and the water outlet end of the heating coil 32 is connected with the water inlet pipe 13 of the outer sleeve body 111.
[0068] The water storage tank 31 is mainly used for water storage, and both the water storage tank 31 and the heating coil 32 are directly contacted with the flame, and the heating coil 32 is arranged in a U-shaped coil, an S-shaped coil, a serpentine coil or a wave-shaped coil and the like.
[0069] As an optional implementation, the top wall of the lower shell 22 is provided with a coal filling port in communication with the first combustion chamber 221, the position of the coal filling port is provided with a furnace cover 24, the coal filling port is used for adding coal, and the furnace cover 24 can be in a cover structure to directly cover the coal filling port.
[0070] The side wall of the lower shell 22 is provided with a wood filling port in communication with the first combustion chamber 221, the position of the wood filling port is provided with a furnace door 25, through the wood filling port, the user can add wood as fuel, and the furnace door 25 can be arranged on the wood filling port in a hinge opening and closing manner, and the furnace door 25 also has the function of adjusting the air inlet amount.
[0071] The bottom of the first combustion chamber 221 is provided with a fuel grate 26, the fuel grate 26 is arranged on one side of the water storage tank 31, and a collection chamber 222 is arranged below the fuel grate 26 in the lower shell 22.
[0072] In this way, the water storage tank 31 also has an isolation effect and can isolate fuels such as coal and wood, and the fuel grate 26 has the effect of screening out impurities, so that in actual use, impurities such as soil residue and carbon ash can directly fall through the fuel grate 26, thereby ensuring the purity and quality of the coal and wood and ensuring the combustion effect.
[0073] The collection chamber 222 is movably provided with a drawer type dust collecting tray 27, and an opening is arranged on the lower shell 22 in communication with the collection chamber 222, the drawer type dust collecting tray 27 can move into or out of the collection chamber 222 along the opening, the collection chamber 222 is used for collecting impurities and ash after combustion, and the drawer type structure is convenient for cleaning.
[0074] The side wall of the drawer type dust collecting tray 27 away from the collection chamber 222 is provided with an air inlet, and air can enter the combustion chamber through the air inlet, thereby ensuring sufficient combustion.
[0075] In order to facilitate the cleaning of excess dust in the furnace, a dust cleaning port is formed on the bottom side of the side wall of the lower shell 22, and a baffle can be arranged on the position of the dust cleaning port in a cover structure.
[0076] As an optional implementation, the heating stove comprises a smoke exhaust assembly 4, the smoke exhaust assembly 4 comprises a variable-diameter smoke pipe 41 and a first smoke pipe flap 42, the variable-diameter smoke pipe 41 is arranged at the top of the upper shell 23, the caliber of the variable-diameter smoke pipe 41 increases from top to bottom, the first smoke pipe flap 42 is arranged on the variable-diameter smoke pipe 41 and communicates with the top end of the inner sleeve type heating inner container 1, the first smoke pipe flap 42 is a smoke exhaust valve, which is used for controlling the smoke exhaust amount of the variable-diameter smoke pipe 41 to reduce heat loss.
[0077] The smoke exhaust assembly 4 comprises a smoke pipe for a kang 43 and a second smoke pipe flap 44, the smoke pipe for a kang 43 is connected with the smoke exhaust pipe flange on the side wall of the first combustion chamber 221, the second smoke pipe flap 44 is arranged on the smoke pipe for a kang 43, the second smoke pipe flap 44 is a smoke exhaust valve, which is used for adjusting the smoke exhaust flow, in actual use, the smoke pipe for a kang 43 can be closed at night, so that the smoke gas is exhausted by the variable-diameter smoke pipe 41 alone, the smoke pipe for a kang 43 is inserted into the kang, so that the smoke gas can be guided into the kang and exhausted to the outside.
[0078] In the description of the present application, it should be understood that the terms "upper", "lower", "inner", "outer", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0079] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of", "several" is at least two, for example, two, three, etc., unless otherwise explicitly specified and limited.
[0080] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, can be fixedly connected, can be detachably connected, or integrated; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0081] The above merely describes a specific implementation of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. An inner jacketed heating liner characterized by, It includes an outer sleeve assembly and an inner sleeve assembly coaxially disposed inside the outer sleeve assembly, wherein: The outer sleeve assembly includes an outer sleeve body configured with a sandwich structure, and a plurality of first heating tubes are circumferentially connected inside the outer sleeve body; The inner sleeve assembly includes an inner sleeve body configured as a sandwich structure, the inner sleeve body being disposed inside the outer sleeve body and communicating with the outer sleeve body; the inner sleeve body is provided with a plurality of second heating tubes in a circumferential manner.
2. The jacketed heating vessel of claim 1, wherein, The inner sleeve body has multiple second heating tubes uniformly connected in the circumferential direction inside.
3. The jacketed heating cartridge of claim 1 or 2, wherein, The outer side of the inner sleeve is uniformly connected with multiple second heating tubes along the circumference.
4. The jacketed heating vessel of claim 1, wherein, The axial length of the outer sleeve is not less than the axial length of the inner sleeve. The first heating tube is arranged along the axial direction of the outer sleeve body, the top end of the first heating tube is connected to the outer sleeve body near the top end, and the bottom end of the first heating tube is connected to the outer sleeve body near the bottom end. The second heating tube is arranged along the axial direction of the inner sleeve body, with the top end of the second heating tube connected to a position near the top end of the inner sleeve body and the bottom end of the second heating tube connected to a position near the bottom end of the inner sleeve body.
5. The jacketed heating cartridge of claim 1, wherein, The inner wall of the outer sleeve is provided with a water inlet pipe and a first connecting pipe near the bottom end, and the first connecting pipe is connected to the inner sleeve. The inner wall of the outer sleeve is provided with a water outlet pipe and a second connecting pipe near the top, and the second connecting pipe is connected to the inner sleeve.
6. A heating stove, characterized in that The inner heating liner includes any one of claims 1 to 5.
7. The heating stove according to claim 6, characterized in that The heating boiler includes a shell assembly and a water tank assembly, wherein: The housing assembly includes a base, a lower housing, and an upper housing arranged sequentially from bottom to top. A first combustion chamber is provided inside the lower housing, and a water tank assembly is provided inside the first combustion chamber. A second combustion chamber is provided inside the upper housing, and an inner-sleeved heating liner is provided inside the second combustion chamber. The water tank assembly is connected to the inner-sleeved heating liner.
8. The heating stove according to claim 7, characterized in that The water tank assembly includes a water storage tank and a heating coil connected to the water storage tank, wherein: The water storage tank is located inside the first combustion chamber; The heating coil is installed in the first combustion chamber and located below the inner heating liner. The water inlet of the heating coil is connected to the water storage tank, and the water outlet of the heating coil is connected to the water inlet pipe of the outer sleeve.
9. The heating stove according to claim 7, characterized in that The top wall of the lower shell is connected to the first combustion chamber and is provided with a coal filling port. A furnace cover is provided at the position of the coal filling port. The side wall of the lower shell is connected to the first combustion chamber and is provided with a fuel filling port. A furnace door is provided at the position of the fuel filling port. A fuel grate is provided at the bottom of the first combustion chamber, and the fuel grate is located on one side of the water tank assembly. A collection chamber is provided inside the lower housing below the fuel grate. A drawer type dust collecting tray is movably arranged in the collecting chamber, an opening is arranged on the lower shell and communicates with the collecting chamber, the drawer type dust collecting tray can move into or out of the collecting chamber along the opening, and an air inlet is arranged on the side wall of the drawer type dust collecting tray away from the collecting chamber.
10. The heating stove according to claim 7, characterized in that The heating stove comprises a smoke exhaust assembly, the smoke exhaust assembly comprises a variable diameter smoke pipe and a first smoke pipe flap, the variable diameter smoke pipe is arranged on the top of the upper shell and communicates with the top end of the inner sleeve type heating inner container, and the first smoke pipe flap is arranged on the variable diameter smoke pipe. The smoke exhaust assembly comprises a smoke pipe for communicating with a kang and a second smoke pipe flap, the smoke pipe for communicating with a kang communicates with the first combustion chamber, and the second smoke pipe flap is arranged on the smoke pipe for communicating with a kang.