阅读说明：本技术 一种民用生物质立式通炕水暖烤火炉 (Civil biomass vertical type kang-through water heating stove ) 是由 刘锋 杨天坤 史海廷 魏冲 于 2021-01-22 设计创作，主要内容包括：本发明公开了一种民用生物质立式通炕水暖烤火炉,包括炉具底座和炉具壳体,炉具底座一端设置有烟道联箱、另一端设置有烟管,炉具壳体上安装有检修板,炉具壳体内部设置有气化分区燃烧系统、热量交换净化系统、送料防返火系统、助燃配风点火系统以及炊事系统,气化分区燃烧系统包括挥发分燃烧室,送料防返火系统包括落料防火腔,落料防火腔的底端通过向下倾斜的引料管连通挥发分燃烧室,炉具壳体上设置有控制器系统。本发明通过进料与燃烧的非接触式供料,结合吸风冷却设计,有效避免常规运行及停炉产生的反烧、回火、反烟现象；同时微负压燃烧的设计,使燃烧室及灰分室的温度降低,有效杜绝了燃烧高温造成结焦、结渣现象。(The invention discloses a civil biomass vertical through kang water heating stove which comprises a stove base and a stove shell, wherein one end of the stove base is provided with a flue header, the other end of the stove base is provided with a smoke pipe, an access panel is arranged on the stove shell, a gasification partition combustion system, a heat exchange purification system, a feeding anti-backfire system, a combustion-supporting air distribution ignition system and a cooking system are arranged in the stove shell, the gasification partition combustion system comprises a volatilization combustion chamber, the feeding anti-backfire system comprises a blanking anti-backfire cavity, the bottom end of the blanking anti-backfire cavity is communicated with the volatilization combustion chamber through a downward-inclined material guiding pipe, and a controller system is arranged on the stove shell. According to the invention, through non-contact feeding of feeding and combustion and combination of an air suction cooling design, the phenomena of back burning, tempering and smoke return caused by conventional operation and furnace shutdown are effectively avoided; meanwhile, due to the design of micro-negative pressure combustion, the temperature of the combustion chamber and the ash chamber is reduced, and the phenomena of coking and slagging caused by high combustion temperature are effectively avoided.)

1. A civil biomass vertical through kang water heating stove is characterized by comprising a stove base and a stove shell installed on the stove base, wherein one end of the stove base is provided with a flue header, the other end of the stove base is provided with a smoke tube, the middle part of the flue header is communicated with the smoke tube, and one end of the flue header, which is far away from the smoke tube, is provided with a flue ash removal box which can be tightly connected in a push-pull manner;

an access panel is arranged on one side wall of the stove shell far away from the flue header, a gasification zone combustion system and a heat exchange purification system arranged around the gasification zone combustion system are arranged in the stove shell and located right above the flue header, a feeding anti-backfire system is arranged on the upper portion of one side, close to the access panel, of the gasification zone combustion system, a combustion-supporting air distribution ignition system is arranged on the middle lower portion of the gasification zone combustion system, and a cooking system is arranged above the gasification zone combustion system;

gasification subregion combustion system is including arranging the volatile combustion chamber of portion above that, the pay-off is prevented returning fire system and is included blanking fire prevention chamber, one side intercommunication that the access panel was kept away from to the bottom in blanking fire prevention chamber has the material pipe of leading, the other end downward sloping of material pipe and with volatile combustion chamber intercommunication, cooking system includes the cooking chamber with volatile combustion chamber top intercommunication, the top in cooking chamber is provided with the cooking lid, the cooking chamber still communicates with the flue header.

2. The heating stove of claim 1, wherein the feeding anti-backfire system further comprises a bin, a feeding mechanism and a bin cover, the bin is arranged on one side of the blanking fireproof cavity close to the access panel, the feeding mechanism is connected with the bottom end of the bin, one end of the feeding mechanism is communicated with the bottom end of the blanking fireproof cavity, the other end of the feeding mechanism is arranged in a downward inclined mode, and the bin cover is arranged on the top end of the bin.

3. The vertical heatable brick bed water heating stove that leads to of civilian living beings of claim 2, characterized in that, feed mechanism includes the inlet pipe of coaxial arrangement, by drive arrangement driven feeding auger, drive bearing, the inlet pipe communicates with the bottom of feed bin to the bottom of blanking fire prevention chamber is connected to the one end of inlet pipe, the other end downward sloping is arranged, the other end of inlet pipe rotationally cup joints with the feeding auger through drive bearing, the feeding auger is arranged in the inlet pipe and the one end of feeding auger stretches out inlet pipe fixed connection drive arrangement, the position that the inlet pipe is located feed bin inside is provided with the feed inlet.

4. The domestic biomass vertical through kang water heating stove according to claim 3, characterized in that two sides of the driving bearing are provided with fixed supports fixedly installed in the feeding pipe, each fixed support is fixedly connected with a supporting bearing coaxially arranged with the driving bearing, and the inner surface of the supporting bearing is fixedly connected with the feeding auger.

5. The civil biomass vertical through-kang water-heating stove according to claim 1, characterized in that the gasification zone combustion system further comprises a combustion chamber communicated with the bottom end of the volatile component combustion chamber, the bottom end of the combustion chamber is communicated with an ash chamber, the bottom end of the ash chamber is connected with a stove base, one side of the lower part of the combustion chamber, which is far away from the access panel, is communicated with a grate connecting pipe penetrating through the heat exchange purification system, a fixed carbon combustion grate capable of push-pull joint sealing is arranged in the grate connecting pipe and the combustion chamber, a burning-resistant inner liner is arranged around the combustion chamber and above the fixed carbon combustion grate, one end of the ash chamber, which is far away from the access panel, is communicated with an ash box connecting pipe, and the ash chamber and the ash box are provided with an ash chamber ash box capable of push-pull joint sealing; and a grate hole is formed in one end, close to the access panel, of the fixed carbon combustion grate, and the grate hole is positioned in the combustion chamber.

6. The heating stove of claim 1, wherein the combustion-supporting air distribution ignition system comprises a combustion-supporting air distribution chamber communicated with one side of the middle lower part of the gasification zone combustion system close to the access panel, an ignition air distribution chamber is arranged at the middle upper part inside the combustion-supporting air distribution chamber, an ignition heating rod is arranged inside the ignition air distribution chamber, air distribution inlets are respectively arranged at one ends of the combustion-supporting air distribution chamber and the ignition air distribution chamber close to the access panel, the air distribution inlet of the combustion-supporting air distribution chamber is consistent with the air distribution inlet of the ignition air distribution chamber in position and forms a composite air distribution inlet, and the composite air distribution inlet is connected with an ignition combustion-supporting air distribution machine.

7. The heating stove of claim 1, wherein the heat exchange purification system comprises a C-shaped heat exchange water tank disposed between the stove base and the cooking system and having a notch facing the access panel, the C-shaped heat exchange water tank has a notch in which a gasification zone combustion system is disposed, the C-shaped heat exchange water tank has heat exchange flues disposed symmetrically at two sides of the gasification zone combustion system, the cooking cavity is communicated with the flue header through the heat exchange flues, the C-shaped heat exchange water tank has an upper portion communicated with a water outlet pipe interface, one side of the water outlet pipe interface is provided with an explosion-proof valve interface, and a lower portion of the C-shaped heat exchange water tank is communicated with a water return pipe interface.

8. The heating stove with water heating through kang of biomass for civil use of claim 7, wherein the heat exchange purification system further comprises a cooling air suction opening, heat dissipation holes and an induced air inlet, the cooling air suction opening is arranged at the lower part of the side wall of the stove housing where the maintenance plate is installed, the heat dissipation holes are arranged at the upper part of the stove housing and are positioned around the upper part of the feeding anti-backfire system, the induced air inlet is arranged at the bottom of the stove base and positioned at two sides of the smoke tube, and the induced air inlet is connected with an outdoor induced draft fan.

9. The domestic biomass vertical through kang water heating stove according to claim 1, wherein a controller system is arranged on the stove housing, the controller system comprises a controller, a controller operating board and a controller circuit board, the controller is installed on the controller circuit board, the controller operating board is installed at the top of the stove housing, the controller circuit board is installed on the inner wall of the maintenance board, and the controller circuit board is electrically connected with the controller operating board, the feeding anti-backfire system and the combustion-supporting air distribution ignition system.

10. The domestic biomass vertical through kang water heating stove according to claim 9, wherein the controller is embedded with a flameout protection function module and an alarm function module, the smoke tube is provided with a smoke temperature detection port, the smoke temperature detection port is provided with a smoke temperature sensor, the cooking cavity is provided with a carbon monoxide detector, and signals collected by the smoke temperature sensor and the carbon monoxide detector are transmitted to the controller.

Technical Field

The invention relates to a civil biomass vertical through kang water heating stove, and belongs to the technical field of stoves.

Background

In recent years, along with the requirements of new rural construction and energy conservation and environmental protection, the development and utilization of biomass stoves have become more and more important to people and are gradually popularized and applied.

At present, biomass stoves on the market generally comprise a stove body and a stove inner container arranged in the stove body, biomass fuel is combusted in the stove inner container to generate heat, and the stove is warmed in a radiation heat dissipation mode, but the biomass stoves have the following disadvantages: 1) the feeding bin is directly communicated with the combustion chamber, and the phenomena of back burning, back fire and back smoke can occur during normal operation and blowing-out; 2) the air distribution in the hearth is insufficient, the biomass is insufficiently combusted in the furnace liner, resources are wasted, and the smoke generated by insufficient combustion contains more harmful substances, so that the environment is polluted; 3) the structural design of the furnace and the combustion chamber is unreasonable, the coking and slagging are serious, the dependence on high-quality fuel is high, and the operation cost of a user is high.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a civil biomass vertical through kang water heating baking furnace, non-contact type feeding of a feeding area and a burning area is realized through a volatile component combustion chamber, a blanking fireproof cavity blanking double-isolation, a cold and hot partition and a height difference feeding form, and an air suction cooling design is combined, so that the possibility of backfire and smoke return of the bin caused by flame backfire of the combustion chamber and waste heat baking is fundamentally eliminated, and the phenomena of backfire, backfire and smoke return generated by conventional operation and furnace shutdown are effectively avoided; meanwhile, due to the design of micro-negative pressure combustion, the temperature of the combustion chamber and the ash chamber is reduced, and the phenomena of coking and slagging caused by high combustion temperature are effectively avoided.

In order to achieve the purpose, the invention adopts the following technical scheme: a civil biomass vertical through kang water heating stove comprises a stove base and a stove shell installed on the stove base, wherein one end of the stove base is provided with a flue header, the other end of the stove base is provided with a smoke tube, the middle part of the flue header is communicated with the smoke tube, and one end of the flue header, which is far away from the smoke tube, is provided with a flue ash removal box which can be connected in a push-pull manner;

an access panel is arranged on one side wall of the stove shell far away from the flue header, a gasification zone combustion system and a heat exchange purification system arranged around the gasification zone combustion system are arranged in the stove shell and located right above the flue header, a feeding anti-backfire system is arranged on the upper portion of one side, close to the access panel, of the gasification zone combustion system, a combustion-supporting air distribution ignition system is arranged on the middle lower portion of the gasification zone combustion system, and a cooking system is arranged above the gasification zone combustion system;

gasification subregion combustion system is including arranging the volatile combustion chamber of portion above that, the pay-off is prevented returning fire system and is included blanking fire prevention chamber, one side intercommunication that the access panel was kept away from to the bottom in blanking fire prevention chamber has the material pipe of leading, the other end downward sloping of material pipe and with volatile combustion chamber intercommunication, cooking system includes the cooking chamber with volatile combustion chamber top intercommunication, the top in cooking chamber is provided with the cooking lid, the cooking chamber still communicates with the flue header.

Further technical scheme, the fire system is prevented returning in pay-off still includes feed bin, feed mechanism and feed bin lid, the feed bin is arranged in one side that the maintenance board is close to in blanking fire prevention chamber, feed mechanism is connected with the bottom of feed bin to feed mechanism one end and the bottom intercommunication, the other end downward sloping in blanking fire prevention chamber are arranged, the feed bin lid sets up the top at the feed bin.

A further technical scheme, feed mechanism includes the inlet pipe of coaxial arrangement, by drive arrangement driven feeding auger, drive bearing, the inlet pipe communicates with the bottom of feed bin to the bottom of blanking fire prevention chamber is connected to the one end of inlet pipe, the other end downward sloping is arranged, the other end of inlet pipe passes through drive bearing and rotationally cup joints with the feeding auger, drive bearing's internal surface fixed connection feeding auger, the feeding auger is arranged in the inlet pipe and the one end of feeding auger stretches out inlet pipe fixed connection drive arrangement, the position that the inlet pipe is located feed bin inside is provided with the feed inlet, one side that the feed inlet is close to drive bearing is provided with rotates the limiting plate of being connected with the feeding auger, the other end outer wall of inlet pipe is provided with the fixed plate, drive arrangement installs on the fixed plate.

According to the technical scheme, the two sides of the transmission bearing are provided with fixed supports fixedly installed in the feeding pipe, each fixed support is fixedly connected with a supporting bearing coaxially arranged with the transmission bearing, and the inner surface of each supporting bearing is fixedly connected with the feeding auger.

According to a further technical scheme, the gasification zone combustion system further comprises a combustion chamber communicated with the bottom end of the volatile component combustion chamber, the bottom end of the combustion chamber is communicated with an ash chamber, the bottom end of the ash chamber is connected with a stove base, one side, far away from an overhaul board, of the lower portion of the combustion chamber is communicated with a grate connecting pipe penetrating through the heat exchange purification system, a fixed carbon combustion grate capable of being pushed and pulled tightly is arranged in the grate connecting pipe and the combustion chamber, a burning-resistant inner container is arranged on the periphery inside the combustion chamber and above the fixed carbon combustion grate, one end, far away from the overhaul board, of the ash chamber is communicated with an ash box connecting pipe, and an ash chamber ash box capable of being pushed and pulled tightly is arranged in the ash chamber and the ash box connecting pipe; and a grate hole is formed in one end, close to the access panel, of the fixed carbon combustion grate, and the grate hole is positioned in the combustion chamber.

According to the technical scheme, the combustion-supporting air distribution ignition system comprises a combustion-supporting air distribution cavity communicated with one side, close to the maintenance plate, of the middle lower portion of the gasification zone combustion system, an ignition air distribution cavity is arranged on the middle upper portion inside the combustion-supporting air distribution cavity, an ignition heating rod is arranged inside the ignition air distribution cavity, air distribution inlets are respectively formed in one ends, close to the maintenance plate, of the combustion-supporting air distribution cavity and the ignition air distribution cavity, the air distribution inlets of the combustion-supporting air distribution cavity and the ignition air distribution cavity are in the same position and form a composite air distribution inlet, and the composite air distribution inlet is connected with an ignition combustion-supporting air distribution machine.

Further technical scheme, heat exchange clean system is including being located the C type heat exchange water tank that stove base and cooking system between and the notch set up towards the access panel, arrange gasification subregion combustion system in C type heat exchange water tank's the notch, the inside heat transfer flue that is provided with the symmetric arrangement in gasification subregion combustion system's both sides of C type heat exchange water tank, the cooking chamber passes through the heat transfer flue intercommunication with the flue header, C type heat exchange water tank's upper portion intercommunication has the outlet pipe interface, and one side of one of them outlet pipe interface is provided with the explosion-proof valve interface, C type heat exchange water tank's lower part intercommunication has the return pipe interface.

According to the technical scheme, the heat exchange purification system further comprises a cooling air suction opening, heat dissipation holes and an induced air inlet, the cooling air suction opening is arranged at the lower portion of the side wall of the furnace shell of the installation maintenance board, the heat dissipation holes are arranged on the upper portion of the furnace shell and located on the periphery of the upper portion of the feeding anti-backfire system, the induced air inlet is arranged at the bottom of the furnace base and located on two sides of the smoke tube, and the induced air inlet is connected with an outdoor induced draft fan.

According to the technical scheme, the furnace shell is provided with a controller system, the controller system comprises a controller, a controller operating panel and a controller circuit board, the controller is installed on the controller circuit board, the controller operating panel is installed at the top of the furnace shell, the controller circuit board is installed on the inner wall of the maintenance board, and the controller circuit board is electrically connected with the controller operating panel, the feeding anti-backfire system and the combustion-supporting air distribution ignition system.

Further technical scheme, the controller embedding has flame-out protection function module and alarm function module, be provided with the smoke temperature on the tobacco pipe and detect the mouth, smoke temperature detects the mouth department and is provided with smoke temperature sensor, the cooking intracavity is provided with the carbon monoxide detector, the signal transmission who smoke temperature sensor, carbon monoxide detector gathered sends the controller.

The invention has the beneficial effects that:

1. according to the invention, non-contact feeding of a feeding area and a combustion area is realized through the feeding modes of double separation of the volatile combustion chamber and the blanking fireproof cavity, cold and hot partition and height difference, and the design of air suction cooling is combined, so that the possibility of backfire and smoke return of the bin caused by flame backfire of the combustion chamber and waste heat baking is fundamentally eliminated, and the phenomena of backfire, backfire and smoke return generated by conventional operation and furnace shutdown are effectively avoided.

2. The invention has the advantages that the micro negative pressure combustion is adopted, so that the risk that the flue gas of the hearth leaks and overflows into the dispersion chamber during the operation of the roasting furnace is avoided, the use by a user is safer and more relieved, and meanwhile, the temperature of the combustion chamber and the ash chamber is reduced due to the design of the micro negative pressure combustion, and the phenomena of coking and slagging caused by high combustion temperature are effectively avoided.

3. The invention adopts multi-element secondary combustion-supporting air distribution, realizes two-stage air distribution at the bottom of the fixed carbon combustion grate and the upper part of the fixed carbon combustion grate respectively, and effectively improves the combustion efficiency and the comprehensive efficiency of the biomass fuel by combining the partition structure design of the volatile combustion chamber and the combustion chamber.

4. According to the invention, the combustion and heat exchange structure is wrapped by the C-shaped heat exchange water tank, so that the surface temperature of the furnace shell is reduced while the comprehensive utilization rate of heat is effectively improved, the risk of scalding during use is reduced due to the reduction of the surface temperature of the furnace shell, and the output efficiency of the C-shaped heat exchange water tank is improved.

5. The storage bin and the ash chamber structure arranged in the fire oven have the advantages that the continuous non-interference running time is longer without filling and ash cleaning, and the fire oven is used continuously and maintained more worry-saving.

6. The invention adopts the design of feeding and combustion partition structure, negative pressure combustion, micro-dynamic ash removal and the like, so that the stove has better practicability for various fuels, and can almost adapt to all granular fuels on the market by combining real-time, simple and effective vibration ash removal.

Drawings

FIG. 1 is a first schematic structural diagram of the present invention;

FIG. 2 is a second schematic structural view of the present invention;

FIG. 3 is a cross-sectional view of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is an enlarged view at B in fig. 3.

In the figure: 1. the device comprises a bin cover, 2, a bin, 3, a feeding auger, 4, a transmission bearing, 5, a motor support, 6, a feeding motor, 7, a fire observation protective opening, 8, a blanking fireproof cavity, 9, a volatile combustion chamber, 10, a fixed carbon combustion grate, 11, an ignition combustion-supporting air distribution machine, 12, a combustion-supporting air distribution cavity, 13, an ignition air distribution cavity, 14, an ignition heating rod, 15, a burning-resistant inner container, 16, an ash chamber ash box, 17, a flue ash cleaning box, 18, a flue header, 19, a smoke pipe, 20, a controller operating panel, 21, a controller circuit board, 22, an inspection panel, 23, a C-shaped heat exchange water tank, 24, a heat exchange hole, 25, an explosion-proof valve interface, 26, a water return pipe interface, 27, a water outlet pipe interface, 28, a heat exchange hole, 29, a cooling air suction hole, 30, a smoke temperature detection port, 31, a stove shell, 32, a base, 33, a stove cavity, 34 and a cover.

Detailed Description

The technical solutions in the implementation of the present invention will be made clear and fully described below with reference to the accompanying drawings, and the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

The embodiment of the invention provides a civil biomass vertical through kang water heating stove, which comprises a stove base 32 and a stove shell 31 arranged on the stove base 32, wherein a feeding anti-backfire system, a gasification zone combustion system, a combustion-supporting air distribution ignition system, a heat exchange purification system and a cooking system are arranged in the stove shell 31, and a controller system is arranged on the stove shell 31, as shown in fig. 1, fig. 2 and fig. 3;

an access panel 22 is installed on one side wall of the stove shell 31; the four corners of the bottom of the stove base 32 are provided with supporting stove legs, one end of the stove base 32, which is far away from the maintenance plate, is provided with a flue header 18, one end of the stove base 32, which is close to the maintenance plate, is provided with a smoke tube 19, the middle part of the flue header 18 is communicated with the smoke tube 19, and one end of the flue header 18, which is far away from the smoke tube 19, is provided with a flue cleaning ash box 17 which is tightly connected in a push-pull manner;

the controller system comprises a controller, a controller operating board 20 and a controller circuit board 21, the controller is installed on the controller circuit board 21, the controller operating board 20 is electrically connected with the controller circuit board 21, the controller operating board 20 is installed at the top of the stove shell 31, the controller circuit board 21 is installed on the inner wall of the maintenance board 22, the controller circuit board 21 is electrically connected with the feeding anti-backfire system and the combustion-supporting air distribution ignition system, the user operation experience is fully considered, the controller system selects an intelligent microcomputer integrated controller, the controller operating board 20 is set to be a human-computer interaction interface, the real-time regulation and control of the operation state of the roasting oven are achieved, and the user operation is easy, convenient and rapid to master.

As shown in fig. 2 and 3, the cooking system comprises a cooking cavity 33 and a cooking cover 34, the cooking cavity 33 is located at the top of the C-shaped heat exchange water tank 23 and the volatile combustion chamber 9, the cooking cavity 33 is respectively communicated with the volatile combustion chamber 9 and the flue header 18, and the cooking cover 34 is arranged at the top end of the cooking cavity 33.

As shown in fig. 3 and 4, the feeding and fire-returning prevention system comprises a storage bin 2, a feeding mechanism, a blanking fire-prevention cavity 8 and a storage bin cover 1, wherein the storage bin 2 is arranged at the upper part, close to an overhaul board 22, inside a stove shell 31, the blanking fire-prevention cavity 8 is arranged at one side, far away from the overhaul board 22, of the storage bin 2, the feeding mechanism is connected with the bottom end of the storage bin 2, one end of the feeding mechanism is communicated with the bottom end of the blanking fire-prevention cavity 8, the other end of the feeding mechanism is arranged in a downward inclined manner, the storage bin cover 1 is arranged at the top end of the storage bin 2, the height of the top end of the blanking fire-prevention cavity 8 is smaller than that of the top end of the storage bin 2, a material guiding pipe communicated with a volatile component combustion chamber 9 and inclined downward is arranged at the other side of the bottom end of the blanking fire-prevention cavity 8;

as shown in fig. 5, the feeding mechanism comprises a coaxially arranged feeding pipe, a feeding auger 3 and a transmission bearing 4 which are driven by a driving device to rotate, the feeding pipe is communicated with the bottom end of a storage bin 2, one end of the feeding pipe is connected with the bottom end of a blanking fireproof cavity 8, the other end of the feeding pipe is arranged in a downward inclined manner, the other end of the feeding pipe is rotatably sleeved with the feeding auger through the transmission bearing 4, the feeding auger 3 is arranged in the feeding pipe, one end of the feeding auger 3 extends out of the feeding pipe and is fixedly connected with the driving device, a feeding port is arranged at the position of the feeding pipe inside the storage bin 2, a limiting plate which is rotatably connected with the feeding auger 3 is arranged at one side of the feeding port close to the transmission bearing 4, a fixing plate;

the driving device comprises a feeding motor 6 and a motor support 5, the motor support 5 is fixed on the fixing plate, the feeding motor 6 is fixedly arranged on the motor support 5, the feeding motor 6 is fixedly connected with the feeding auger 3, and the feeding motor 6 is electrically connected with the controller circuit board 21;

the two sides of the transmission bearing 4 are provided with fixed supports fixedly arranged in the feeding pipe, each fixed support is fixedly connected with a supporting bearing coaxially arranged with the transmission bearing 4, the inner surface of each supporting bearing is fixedly connected with the feeding auger 3, the stability of the feeding auger 3 rotating in the feeding pipe is further ensured, and the feeding auger 3 is prevented from deviating; after the silo cover 1 is opened, a proper amount of biomass molded granular fuel is added into the silo 2, the controller controls the feeding motor 6 to rotate to drive the feeding auger 3 to rotate, the feeding auger 3 conveys the fuel in the silo 2 upwards along the feeding pipe in an inclined mode to be fed into the blanking fireproof cavity 8 through rotation, and finally the feeding pipe communicated along the blanking fireproof cavity 8 falls onto the fixed carbon combustion grate 10 located in the combustion chamber under the action of gravity.

The top end of the blanking fireproof cavity 8 is provided with a fire observation protective opening 7, the fire observation protective opening 7 is positioned on the stove shell 31, and the height of the fire observation protective opening 7 is smaller than that of the feed bin cover 1.

As shown in fig. 2, 3 and 4, the gasification zone-dividing combustion system comprises a volatile combustion chamber 9, a combustion chamber, an ash chamber, a burning-resistant inner container 15 and a fixed carbon combustion grate 10, wherein the top end of the volatile combustion chamber 9 is communicated with a cooking cavity 33, the bottom end of the volatile combustion chamber 9 is communicated with the combustion chamber, the bottom end of the combustion chamber is communicated with the ash chamber, the bottom end of the ash chamber is connected with a stove base 32, one side of the lower part of the combustion chamber, which is far away from an access panel 22, is communicated with a grate connecting pipe which penetrates through a C-shaped heat exchange water tank 23, the fixed carbon combustion grate 10 is movably arranged in the combustion chamber and is tightly connected with the grate connecting pipe in a push-and-pull manner, the burning-resistant inner container 15 is arranged around the interior of the combustion chamber and is positioned above the fixed carbon combustion grate 10, the volatile combustion chamber 9 is communicated with a blanking fireproof cavity 8 through a material guiding pipe, the volatile combustion chamber 9, the combustion chamber and the blanking fireproof cavity 8 are independently separated, the biomass fuel falls into the combustion chamber from the blanking fireproof cavity 8 to generate a spatial fall, so that non-contact feeding of a feeding area and a combustion area is realized, the possibility of backfire and smoke return of the bin 2 caused by flame backfiring of the bin 2 and waste heat baking in the combustion chamber is fundamentally eliminated, and the phenomena of backfire, backfire and smoke return generated by conventional operation and furnace shutdown are effectively avoided; one end of the ash chamber, which is far away from the maintenance plate 22, is communicated with an ash box connecting pipe which penetrates through the C-shaped heat exchange water tank 23, an ash chamber ash box 16 which can be pushed, pulled and sealed is arranged in the ash chamber and ash box connecting pipe, and ash burnt out by the fixed carbon combustion grate 10 falls into the ash chamber ash box 16 through grate holes to finish collection;

the fixed carbon combustion grate 10 is provided with a grate hole at one end close to the access panel 22, and the grate hole is positioned in the combustion chamber.

As shown in fig. 3, 4 and 5, the combustion-supporting air distribution ignition system includes a combustion-supporting air distribution chamber 12, an ignition air distribution chamber 13, an ignition combustion-supporting air distribution fan 11 and an ignition heating rod 14, the combustion-supporting air distribution chamber 12 is communicated with a side wall of the middle lower part of the combustion chamber close to the access panel 22, the ignition air distribution chamber 13 is arranged at the middle upper part inside the combustion-supporting air distribution chamber 12, the ignition heating rod 14 is arranged inside the ignition air distribution chamber 13, air distribution inlets are respectively arranged at one ends of the combustion-supporting air distribution chamber 12 and the ignition air distribution chamber 13 close to the access panel 22, the air distribution inlet of the combustion-supporting air distribution chamber 12 is consistent with the air distribution inlet of the ignition air distribution chamber 13 in position and forms a composite air distribution inlet, the composite air distribution inlet is connected with the ignition combustion-supporting air distribution fan 11, and the ignition rod are electrically connected with the controller circuit board 21; the biomass fuel is ignited after falling on the fixed carbon combustion grate 10, in the ignition process, an ignition rod is started in the ignition air distribution cavity 13 to heat and ignite, and part of the air generated by the ignition combustion-supporting air distribution machine 11 enters the ignition air distribution cavity 13: the air in the ignition air distribution cavity 13 is heated to a certain temperature as ignition air during ignition, the ignition air is blown on the stacking material to accumulate heat to a certain temperature and then the ignition is finished, and the operation is used as primary combustion-supporting air after the ignition is finished; the rest enters the combustion-supporting air distribution cavity 12: the two streams are divided into two streams, one stream enters the combustion chamber through the lower part of the fixed carbon combustion grate 10 and is used as primary combustion-supporting air together with air blown out from the ignition air distribution cavity 13, and the other stream enters the volatile component combustion chamber 9 through the upper part of the fixed carbon combustion grate 10 and is mainly used for mixing with high-temperature volatile components generated by fuel on the fixed carbon combustion grate 10 and then burning and releasing heat.

As shown in fig. 3 and 4, the heat exchange purification system comprises a C-shaped heat exchange water tank 23, the C-shaped heat exchange water tank 23 is installed at one end of a stove base 32 far away from an access panel 22, a notch of the C-shaped heat exchange water tank 23 faces the access panel 22, a volatile component combustion chamber 9, a combustion chamber and an ash chamber are arranged in the notch of the C-shaped heat exchange water tank 23, a grate connecting pipe and an ash box connecting pipe are located in the C-shaped heat exchange water tank 23, a cooking cavity is arranged at the top end of the C-shaped heat exchange water tank 23, the upper part of the C-shaped heat exchange water tank 23 is communicated with a water outlet pipe interface 27, an explosion-proof valve interface 25 is arranged beside one water outlet pipe interface 27, and the lower part of the C-shaped heat exchange; the C-shaped heat exchange water tank 23 is internally provided with heat exchange flues 24 communicating the cooking cavity with the flue header 18, the heat exchange flues 24 are symmetrically arranged at two sides of the volatile combustion chamber 9, the combustion chamber and the ash chamber, flame generated by biomass fuel combustion is ejected out from the upper part of the volatile combustion chamber 9, cooking firepower is provided through the cooking cavity 33 at first, then flue gas enters the two heat exchange flues 24 after being dispersed, enters the smoke pipe 19 through the flue header 18 and is finally discharged into an external flue, most of dust ash in the flue gas is settled into the flue header 18 through the action of gravity and inertia in the heat exchange flues 24, and a user can clean accumulated ash in the flue cleaning ash box 17 by drawing out the flue; when the fire-heating furnace normally operates, heating circulating water enters the C-shaped heat exchange water tank 23 from the water return interface at one side, absorbs heat exchange and heats through the C-shaped heat exchange water tank 23 and the wall surface of the heat exchange flue 24, and is discharged through the water outlet pipe, so that water heating is realized, the comprehensive utilization rate of heat is effectively improved, the surface temperature of the furnace shell 31 is reduced, the risk of scalding during use is reduced, and the output efficiency of C-shaped heat exchange is improved due to the reduction of the surface temperature of the furnace shell 31;

the stove of the invention also provides two external heat output modes of convection and radiation heat dissipation, as shown in fig. 1, fig. 2 and fig. 3, a cooling air suction opening 29 is arranged at the position of the side wall of the stove shell 31 right below the maintenance plate 22, a heat dissipation hole 28 is arranged at the position of the side wall of the stove shell 31 above the maintenance plate 22, and the heat dissipation hole 28 is arranged at the periphery of the storage bin 2; the bottom of the stove base 32 is provided with an induced air inlet which is respectively positioned at two sides of the smoke tube 19; fresh cold air enters the inside of the stove shell 31 through the cooling air suction opening 29 and the induced air inlet, is heated by absorbing heat generated by the wall surfaces of the smoke tube 19, the C-shaped heat exchange water tank 23, the combustion chamber and the ash chamber in the stove shell 31, and is finally discharged through the heat dissipation holes 28 around the storage bin 2 to form convection heat dissipation, so that the phenomena of reverse burning and tempering of the storage bin 2 are further avoided; the radiation heat is generated to the environment through the outer wall surface of the C-shaped heat exchange water tank 23, the outer wall surface of the cooking cavity 33, the smoke pipe 19 and the like, and the radiation heat dissipation is formed.

As shown in fig. 3, a smoke temperature detection port 30 is arranged on the smoke tube 19, a smoke temperature sensor is arranged at the smoke temperature detection port, a signal collected by the smoke temperature sensor is sent to a controller for connection, a flameout protection function module and an alarm function module are embedded in the controller, the smoke temperature detection port 30 is mainly used for detecting the smoke exhaust temperature of the oven, real-time detection of the smoke temperature in the oven is realized, so that the current operation state of the oven is judged, when the smoke temperature is lower than a set value, a controller system receives the signal and starts the flameout protection function module and the alarm function module, so that feeding of a feeding mechanism is stopped, an alarm is given out, a user is informed that the material is cut off and flameout, and other accidents caused by flameout of small fire or excessive flame pressure when the feeding of large fire occurs;

be provided with the carbon monoxide detector in the cooking chamber 33, the signal transmission that the carbon monoxide detector gathered is connected to the controller, and carbon monoxide detector mainly used detects carbon monoxide content in the flue gas of stove of warming oneself, realizes carbon monoxide content real-time detection in the flue gas of stove of warming oneself, and when carbon monoxide content is higher than the setting value, controller system received signal and start alarm function module stop the feeding and close the feed mechanism feeding, and the combustion-supporting air distribution machine 11 of igniteing continues the operation, and one is taking a breath and reduces carbon monoxide content, and two is combustion-supporting makes the complete combustion of biomass fuel composition.

The through kang water heating stove is also provided with an outdoor induced draft fan, the outdoor induced draft fan is communicated with an induced draft inlet, and the induced draft of the outdoor induced draft fan leads the micro negative pressure combustion in the combustion chamber and the volatile component combustion chamber 9, so that the risk that the smoke of a hearth leaks and overflows into the combustion chamber does not exist in the running process of the stove, and the stove is safer and more safe to use by users; meanwhile, due to the design of micro-negative pressure combustion, the temperature of the combustion chamber and the ash chamber is reduced, and the phenomena of coking and slagging caused by high combustion temperature are effectively avoided.

In conclusion, the stove adopts the design of feeding, combustion partition structure, negative pressure combustion, micro-dynamic ash removal and the like, so that the stove has better practicability for various fuels, and can almost adapt to all granular fuels on the market by combining real-time, simple and effective vibration ash removal.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.