CN219995349U - Basin-shaped biomass gasification grate, heating stove and heating dining table - Google Patents

Abstract

The utility model discloses a basin-shaped biomass gasification grate, a heating furnace and a baking dining table, wherein the basin-shaped biomass gasification grate comprises a trough-shaped grate body, the notch of the grate body faces upwards, the upper end of the grate body is provided with a hanging part, the bottom wall of the grate body is provided with a plurality of air inlet ash falling holes, the middle part of the side wall of the grate body is provided with a plurality of first air inlet holes, the hanging part is provided with a second air inlet hole, the second air inlet holes are vertically and obliquely arranged, the upper end of the second air inlet holes faces to the upper part of the middle part of the grate body, so that biomass particle fuel in the grate body can be introduced into air from a plurality of angles, the biomass particle fuel is fully gasified into combustible flue gas under the high temperature effect, and the flue gas is fully combusted at the upper end of the furnace body.

Description

Basin-shaped biomass gasification grate, heating stove and heating dining table

Technical Field

The utility model belongs to the field of biomass combustion furnaces, and particularly relates to a basin-shaped biomass gasification grate, a heating furnace and a heating dining table.

Background

The traditional heating furnace mostly adopts a flat cast iron grate (commonly called a grate) with horizontally arranged strip-shaped holes to support fuel (biomass fuel such as firewood, straw and the like) to burn in a hearth and has the functions of ash falling and ventilation, but in order to avoid the contact of the fuel and the furnace wall and ensure the full combustion of the fuel, a refractory layer (a yellow clay layer (a soil-ceramic heat insulation layer is formed after drying) with the thickness of 2-3cm or refractory cement and refractory sand are smeared on the inner wall of the hearth according to the mass ratio of 1:2, but the fire-resistant cement mortar layer prepared by the method has the defect of short service life, the fire-resistant layer is usually cracked and falls off after one or two years, and the repairing process is complicated, although the two methods improve the temperature of a hearth and improve the combustion effect, but reduce the heating area of the furnace wall and reduce the heat efficiency, in addition, the conventional flat plate type fire grate is mostly fixed in the furnace body (an air inlet channel is single and only depends on the strip-shaped holes on the fire grate to be ventilated from bottom to top), ash can block the air inlet holes after the fuel at the upper end burns for a period of time, cannot enter air, can reduce the combustion speed, and further can reduce the heating temperature, thereby influencing the heating effect, so that the ash of the fire grate needs to be cleaned frequently, but the phenomenon of insufficient air inlet can occur frequently.

Disclosure of Invention

In order to solve the technical problems, one of the purposes of the utility model is to provide a basin-shaped biomass gasification grate which has a simple structure and can be ventilated from multiple angles.

In order to achieve the above object, the technical scheme of the present utility model is as follows: in order to achieve the above object, the technical scheme of the present utility model is as follows: the utility model provides a basin shape living beings gasification grate, includes the grate body of cell body shape, the notch of grate body is up, the upper end of grate body is provided with articulates the portion, be provided with a plurality of ash holes that fall that admits air on the diapire of grate body, the middle part of the lateral wall of grate body is equipped with a plurality of first fresh air inlets, articulates portion department and is equipped with the second fresh air inlet, just the vertical slant setting of second fresh air inlet, just the upper end orientation of second fresh air inlet the top at grate body middle part.

The beneficial effects of the technical scheme are that: so when making the slow oxidation of living beings pellet fuel in the grate body (slow burning, this in-process can produce a large amount of combustible flue gas), the ashes that produce of the internal slow combustion of grate can drop behind the air inlet ash of grate body lower extreme, simultaneously the air inlet ash mouth can let in a small amount of air supply living beings pellet fuel in the grate body in the internal slow oxidation of grate, and the flue gas that produces in the grate body upwards escape outside the grate body, and the first fresh air inlet on the grate body lateral wall can be partly let in the internal air supply to the grate in order to supply the slow oxidation of living beings pellet fuel in the grate body, simultaneously still can let in the air with the second fresh air inlet to the grate body top together for the flue gas forms the open flame in the furnace body, because the continuous slow oxidation of living beings pellet fuel of its grate body internal below, it can avoid or reduce the coking.

In the above technical scheme, the grate body includes drum shell and bottom plate, the drum shell is vertical to be set up and link up from top to bottom, the lower extreme inward flange of drum shell forms the ring and keeps off, the bottom plate level is arranged in the drum shell, and holds in the palm on the ring keeps off, drum shell and bottom plate enclose into the cell body jointly, it is in to admit air the grey hole setting on the bottom plate to admit air, be equipped with a plurality of bar grooves along annular interval distribution along vertical indent on the lateral wall of drum shell, the lower extreme downwardly extending of bar groove runs through the lower extreme of drum shell, the tank bottom wall of bar groove with link up in the drum shell and form first fresh air inlet, every the upper end of bar groove constitutes one respectively the link portion, the second fresh air inlet sets up link portion department, and the lower extreme of second fresh air inlet with the bar groove link up, the upper end of second fresh air inlet runs through the upper end of drum shell.

The beneficial effects of the technical scheme are that: the device is simple in structure, the bottom plate is detachably arranged in the cylinder shell, the bottom plate can be maintained as required, meanwhile, when ash is not smoothly beaten in the fire grate body, the bottom plate can be knocked from the lower part to accelerate ash discharge, the lower end of the cylinder shell at the lower end of the strip-shaped groove is communicated, and air below the fire grate body flows from bottom to top through the strip-shaped groove and is fed into the fire grate body or the upper part through the first air inlet.

In the above technical scheme, the air inlet ash falling hole and the first air inlet hole are both bar-shaped holes.

The beneficial effects of the technical scheme are that: the ash beating effect is good, the air inlet effect is good, and especially, the first air inlet hole is vertically arranged, so that the first air inlet hole can ventilate into the fire grate body vertically, and the first air inlet hole is better in ventilation effect from bottom to top due to the fact that biomass granular fuel is arranged in the fire grate body.

In the above technical solution, the plurality of strip-shaped grooves are uniformly distributed on the side wall of the cylinder shell along the circumferential direction at intervals.

The beneficial effects of the technical scheme are that: the structure is simple.

In order to solve the technical problems, the utility model aims to provide the heating furnace which is simple in structure, high in heat efficiency and more sufficient in biomass pellet fuel combustion.

In order to achieve the above object, the technical scheme of the present utility model is as follows: the utility model provides a heating stove, includes furnace body, exhaust pipe and above basin shape biomass gasification grate, the vertical setting of furnace body just the upper end of furnace body is uncovered, the inside wall at middle part is provided with at least three ring to interval distribution and is in the hangers on same horizontal plane in the furnace body, basin shape biomass gasification grate is arranged in the furnace body, just the portion of hanging holds in the palm in order to with basin shape biomass gasification grate hangs and establishes in the furnace body, and will the furnace chamber of furnace body cuts off, the lower extreme of furnace body lateral wall is equipped with ash removal mouth and air intake, just ash removal mouth department is provided with openable or closeable ash removal door, air intake department is equipped with the air volume governing valve, correspond on the furnace body lateral wall the position department of basin shape biomass gasification grate is provided with the ignition hole, be located on the furnace body lateral wall basin shape biomass gasification grate top is provided with feed mechanism, biomass pellet fuel is through feed mechanism sends into to in the basin shape biomass gasification grate, exhaust pipe level sets up, and its one end with the upper end intercommunication in the furnace body is provided with the upper end of the cigarette mouth.

The beneficial effects of the technical scheme are that: so make biomass pellet fuel place the inslot of grate in, biomass in the grate is after igniting, the air inlet enters into the furnace chamber at this moment a part of air in the grate through the ash hole that falls of intaking and first inlet port and enters into lower extreme in order to supply biomass pellet fuel pyrolysis gasification (slow oxidation) and produce combustible flue gas, and another part of air gets into the top of grate body through first inlet port and second inlet port, and the flue gas that produces upwards moves and mixes the back burning with the air of grate body top and form open flame (have one section interval between open flame and the biomass pellet fuel in the grate body, similar to suspension burning), and biomass is more abundant in pyrolysis gasification in addition, and be difficult for coking in the grate, nitrogen oxide content in the tail gas of final discharge is lower simultaneously.

In the technical scheme, the annular cyclone fire-gathering mechanism is arranged at the inner upper end of the furnace body and used for guiding flames at the inner upper end of the furnace body to form cyclone and gather at the furnace mouth of the furnace body.

The beneficial effects of the technical scheme are that: through setting up the whirl and gathering the fire mechanism for the flame gathers fire mechanism's effect down to the fire mouth middle part, and is whirl form upflow, and when the pan was placed to the fire mouth, the flame of whirl was heated at the bottom of the pot, and its heating effect is better, so its cooking performance is better.

In the above-mentioned technical scheme the whirl mechanism of gathering fire includes a ring section of thick bamboo and a plurality of guide plate, the vertical setting of ring section of thick bamboo is in the interior upper end of furnace body, just the both ends of ring section of thick bamboo all outwards buckle to keeping away from each other and with furnace body internal connection, the ring section of thick bamboo with the lateral wall of furnace body encloses jointly and closes and form annular cavity, the one end of discharging fume the pipe with the cavity in-connection, the upper end annular interval of ring section of thick bamboo is equipped with a plurality of exhaust holes, a plurality of the guide plate is in along the even setting of annular interval the lower extreme of ring section of thick bamboo, just the guide plate is in ring section of thick bamboo lower extreme is in circumference slope setting, and a plurality of the guide plate is unanimous at circumference inclined direction, two adjacent forms the whirl passageway between the guide plate.

The beneficial effects of the technical scheme are that: the exhaust gas collecting device is simple in structure and good in fire collecting effect, and meanwhile tail gas generated by combustion enters the cavity through the exhaust holes and is finally discharged through the smoke exhaust pipe.

In the above technical scheme, the feeding mechanism is a feeding auger, and the discharge end of the feeding auger penetrates into the furnace body and is positioned above the basin-shaped biomass gasification grate.

The beneficial effects of the technical scheme are that: therefore, the biomass granular fuel can be conveyed into the fire grate by the feeding auger, so that the feeding is more convenient.

In the technical scheme of biomass granular fuel, the furnace wall of the furnace body above the basin-shaped biomass gasification furnace grate and the pipe wall of the smoke exhaust pipe are sandwich walls and are mutually communicated to form a heating cavity, and the heating cavity is provided with a hot water outlet and a hot water inlet; the hot water outlet is arranged at one end of the smoke exhaust pipe far away from the furnace body, the water inlet is arranged on the furnace body, and the water inlet is positioned below the hot water outlet.

The beneficial effects of the technical scheme are that: so can arrange the heating pipeline in the room, and the water inlet of heating pipeline with the hot water export intercommunication, and the return water mouth and the water inlet intercommunication of heating pipeline to the hydrologic cycle flows, and takes away the heat and give indoor heat supply.

The utility model also aims to provide a baking dining table which has a cooking function and can be used as a dining table and also can be used for baking and heating.

In order to achieve the above object, the technical scheme of the present utility model is as follows: a warming dining table comprising a heating stove as described above.

The beneficial effects of the technical scheme are that: the biomass burner has the advantages of simple structure, high combustion efficiency of biomass, environmental protection and good cooking performance.

Drawings

FIG. 1 is an elevation view of a basin-shaped biomass gasification grate according to embodiment 1 of the utility model;

FIG. 2 is a cross-sectional view of a basin-shaped biomass gasification grate according to embodiment 1 of the utility model;

FIG. 3 is a top view of the base plate of embodiment 1 of the present utility model;

FIG. 4 is a bottom view of the cartridge housing of embodiment 1 of the present utility model;

fig. 5 is a sectional view of a heating furnace according to embodiment 2 of the present utility model;

FIG. 6 is a schematic distribution diagram of a plurality of hangers in a furnace body in embodiment 2 of the present utility model;

FIG. 7 is a front view of the swirling-type flame-collecting mechanism according to embodiment 2 of the present utility model;

fig. 8 is a schematic diagram illustrating distribution of a plurality of baffles at the lower end of the annular cylinder in embodiment 2 of the present utility model.

Fig. 9 is another sectional view of the heating furnace according to embodiment 2 of the present utility model;

fig. 10 is a cross-sectional view of a heating furnace according to embodiment 3 of the present utility model;

fig. 11 is a cross-sectional view of a heating furnace according to embodiment 4 of the present utility model;

in the figure: 1. basin-shaped biomass gasification fire grate; 11. a grate body; 111. a cartridge housing; 1111. a ring baffle; 1112. a bar-shaped groove; 1113. a first air inlet; 112. a bottom plate; 1121. an air inlet ash falling hole; 12. a hanging part; 121. a second air inlet; 2. a furnace body; 21. hanging lugs; 22. an ash removing port; 23. an air inlet; 24. an ash removal door; 25. an air quantity adjusting valve; 26. an ignition hole; 27. a feed mechanism; 271. a feed inlet; 272. a feed gate; 28. a cyclone fire gathering mechanism; 281. a ring barrel; 282. a deflector; 283. an exhaust hole; 3. a smoke exhaust pipe; 31. a smoke outlet; 4. a heating chamber; 41. a hot water outlet; 42. a water inlet; 5. a table top.

Detailed Description

The principles and features of the present utility model are described below with examples given for the purpose of illustration only and are not intended to limit the scope of the utility model.

Example 1

As shown in fig. 1-4, this embodiment provides a basin-shaped biomass gasification grate, including a trough-shaped grate body 11, the notch of grate body 11 is upwards, the upper end of grate body 11 is provided with articulates portion 12, be provided with a plurality of inlet air ash falling holes 1121 on the diapire of grate body 11, the middle part of the lateral wall of grate body 11 is equipped with a plurality of first inlet air holes 1113, articulates portion department is equipped with second inlet air hole 121, just second inlet air hole 121 vertical slant sets up, just the upper end of second inlet air hole 121 orientation the top at the middle part of grate body 11 so that biomass particle fuel is in the slow oxidation of grate body (slow burning, and this in-process can produce a large amount of combustible flue gas), and the ash that the slow combustion produced in the grate body can drop behind the inlet air ash falling hole of grate body lower extreme, and simultaneously the inlet air falling hole can let in a small amount of air supply particle fuel in the grate body slow oxidation in the grate body, and the first inlet air falling hole of grate body that the inside the grate body is in the body, and the inside the grate body can not form the slow coke-gas of the same time because the upper portion of the grate body is blown down to the biomass particle fuel in the grate body, the inside the body is blown down in the body, the side wall of the body of the fire of the biomass particle fuel can not be formed in the slow oxidation of the grate body, the side of the air down the body, the biomass particle combustion can be avoided in the side of the body, the air of the air inlet air down the side of the body, and the inside the body is reduced down the body, and the air down the combustion of the biomass particle combustion is in the body.

In the above technical scheme, the fire grate body 11 includes shell 111 and bottom plate 112, shell 111 vertical arrangement and its upper and lower link up, shell 111's lower extreme inwards turns up the edge and forms ring baffle 1111, the bottom plate 112 level is arranged in shell 111 is in and holds in the palm on the ring baffle 1111, shell 111 and bottom plate 112 enclose the synthetic cell body jointly, inlet air drop hole 1121 sets up on the bottom plate 112, be equipped with a plurality of bar grooves 1112 along annular interval distribution along vertical recess on shell 111's the lateral wall, the lower extreme downwardly extending of bar groove 1112 runs through shell 111's lower extreme, bar groove 1112's tank bottom wall with shell 111 is interior to link up and form first inlet air hole 1113, every bar groove 1112's upper end constitutes one respectively the link portion 12, second inlet air hole 121 sets up link up portion 12 department, and second inlet air hole 121's lower extreme with groove 1112 link up, second inlet air hole 121 upper end is along vertical recess is equipped with a plurality of bar grooves 1112 along annular interval distribution on the lateral wall, the bottom plate is equipped with the top of the fire grate body and can be carried out the fire grate through the top of this air duct body from top end down, can be more easily to the bottom plate through the inside the body, can be taken down the fire grate body down and can be more easily to the inside the fire grate body through the bottom plate, can take care of the fire grate body down, can be more easily and can be taken down to the inside the fire grate body from the bottom plate through the bottom plate, the top end of this air duct can be up down along the top of the bottom plate can be down along the top has the top of the up.

In the above technical scheme, the air inlet ash falling hole 1121 and the first air inlet hole 1113 are bar-shaped holes, the ash beating effect is good, and the air inlet effect is good, especially, the first air inlet hole is vertically arranged, so that the first air inlet hole can ventilate into the fire grate body vertically, and the first air inlet hole is better from bottom to top due to the fact that the fire grate body is filled with biomass granular fuel.

In the above technical solution, the shell 111 and the bottom plate 112 are both cast iron, and the wall thickness of the shell 111 is greater than 1cm, so that the structural strength is high, and the groove depth of the strip-shaped groove is ensured.

In the above technical solution, the plurality of strip grooves 1112 are uniformly distributed on the side wall of the cartridge shell 111 at intervals along the circumferential direction, and the structure is simple.

In the above technical solution, the space between the two side walls of the slot 1112 is gradually increased from top to bottom and gradually decreased from outside to inside, and the structural strength of the upper end of the cartridge is higher due to the large bearing force of the upper end of the cartridge, which is convenient for the cartridge to be hung on the carrier.

Example 2

As shown in fig. 5, the embodiment provides a heating stove, which comprises a stove body 2, a smoke exhaust pipe 3 and a basin-shaped biomass gasification fire grate 1 as described above, wherein the stove body 2 is vertically arranged, the upper end of the stove body 2 is open, at least three hanging lugs 21 which are distributed at intervals in a circumferential direction and are positioned on the same horizontal plane are arranged on the inner side wall of the middle part in the stove body 2, the basin-shaped biomass gasification fire grate 1 is arranged in the stove body 2, the hanging parts 12 are supported on the hanging lugs 21 to suspend the basin-shaped biomass gasification fire grate 1 in the stove body 2 and separate the stove chamber of the stove body 2, the lower end of the side wall of the stove body 2 is provided with a dust removing opening 22 and an air inlet 23, the dust removing opening 22 is provided with an openable or closable dust removing door 24, the air inlet 23 is provided with an air quantity adjusting valve 25, the side wall of the stove body 2 is provided with ignition holes 26 at positions corresponding to the basin-shaped biomass gasification fire grate 1, the side wall of the furnace body 2 is provided with a feeding mechanism 27 above the basin-shaped biomass gasification fire grate 1, biomass particle fuel is fed into the basin-shaped biomass gasification fire grate 1 through the feeding mechanism 27, the smoke exhaust pipe 3 is horizontally arranged, one end of the smoke exhaust pipe is communicated with the upper end in the furnace body 2, the upper end of the other end of the smoke exhaust pipe is provided with a smoke outlet 31 (the smoke outlet can be connected with a chimney pipe penetrating outdoors, the chimney pipe is arranged in the prior art and is not repeated here), so that the biomass particle fuel is placed in a groove of the fire grate, after the biomass in the fire grate is ignited, part of air entering the furnace chamber at the moment enters the lower end in the fire grate through an air inlet ash dropping hole and a first air inlet hole to be used for pyrolyzing and gasifying (slowly oxidizing) the biomass particle fuel to generate combustible smoke, and the other part of air enters the upper part of the fire grate body through the first air inlet hole and the second air inlet hole (the air in the first air inlet hole and the second air inlet hole flows from bottom to top through the strip-shaped grooves), and the generated flue gas moves upwards and is mixed with the air above the fire grate body to burn to form open fire (the open fire and biomass particle fuel in the fire grate body have a section of space therebetween, similar to suspension combustion), and the biomass is burnt more fully when pyrolyzed and gasified, and is not easy to coke in the fire grate, and meanwhile, the nitrogen oxide content in the tail gas finally discharged is lower.

In addition, because the fire grate body is an iron casting, and the biomass granular fuel is pyrolyzed and gasified in the groove of the fire grate body, and meanwhile, the wall thickness of the cylinder shell is relatively thick, the cylinder shell has the function of replacing a furnace liner (a refractory layer) between the furnace wall of the furnace body and the biomass granular fuel, and the furnace liner is not required to be arranged in the furnace body in the embodiment, so that the service life of the furnace is long.

As shown in fig. 6, three hangers can be arranged, and the three hangers are uniformly distributed in the furnace body along the circumferential direction at intervals, the number of the strip-shaped grooves on the outer side wall of the cylinder shell is not less than 15 (preferably, multiple of 3), at the moment, the upper end of each strip-shaped groove forms a hanging part, and the three hangers can be inserted into any three strip-shaped grooves distributed at equal intervals and support the three corresponding hanging parts, so that the basin-shaped biomass gasification grate is supported in the furnace body in a suspended state, the ignition port can be positioned under any one hanger, when the basin-shaped biomass gasification grate is hung in the furnace body, the ignition port is just aligned with the corresponding strip-shaped groove, and the ignition port can be embedded with an electronic igniter (the electronic igniter can be more conveniently ignited and adopts a silicon nitride igniter, which belongs to the prior art and is not repeated), so that the electronic igniter is convenient to ignite.

As shown in fig. 7 and 8, in the above technical solution, an annular swirling fire gathering mechanism 28 is disposed at the inner upper end of the furnace body 2, the swirling fire gathering mechanism 28 is configured to guide flames at the inner upper end of the furnace body 2 to swirl and gather at the furnace mouth of the furnace body 2, and by disposing the swirling fire gathering mechanism, the flames gather at the middle of the furnace mouth under the action of the swirling fire gathering mechanism and flow upwards in a swirling manner, and when a pot is placed at the furnace mouth, the swirling flames are heated at the bottom of the pot, so that the heating effect is better, and the cooking performance is better.

In the above technical scheme, the cyclone fire-gathering mechanism 28 includes a ring cylinder 281 and a plurality of guide plates 282, the ring cylinder 281 is vertically disposed at an inner upper end of the furnace body 2, and both ends of the ring cylinder 281 are outwards bent to be far away from each other and are connected with the inner portion of the furnace body 2, the ring cylinder 281 and the side wall of the furnace body 2 enclose together to form an annular chamber, one end of the smoke exhaust pipe 3 is communicated with the chamber, a plurality of exhaust holes 283 are formed in the upper end of the ring cylinder 281 at intervals, a plurality of guide plates 282 are uniformly disposed at the lower end of the ring cylinder 281 along the intervals in the circumferential direction, the guide plates 282 are obliquely disposed at the lower end of the ring cylinder 281 in the circumferential direction, and a plurality of guide plates 282 are consistent in the oblique direction in the circumferential direction, and a cyclone channel is formed between two adjacent guide plates 282.

As shown in fig. 5, in the above technical solution, the feeding mechanism 27 is a feeding auger, and the discharge end of the feeding auger penetrates into the furnace body 2 and is located above the basin-shaped biomass gasification grate 1, so that the feeding auger can convey biomass pellet fuel into the grate, thereby making feeding more convenient.

In the above technical solution, the feeding mechanism 27 is vertically inclined, and the horizontal height of the feeding end is lower than that of the discharging end, so that the flame in the furnace body can be prevented from igniting the biomass granular fuel in the feeding mechanism. Preferably, the included angle between the discharging end of the feeding mechanism and the horizontal plane is preferably 30 degrees.

Of course, as shown in fig. 9, the feeding mechanism 27 may be a feeding port 271 (located between the cyclone fire collecting mechanism and the grate body) provided on the side wall of the furnace body, and a feeding door 272 installed at the feeding port 271, where the feeding door may be opened to manually deliver the biomass pellet fuel through the feeding port.

The ash removal port may be a tubular port and the ash removal door may be a slotted cover rotatably mounted at the ash removal port and rotatable to open or rotate until the ash removal port is inserted into a slot of the ash removal door to close, and the feed port and the feed door may be similar in structure to the ash removal port and the ash removal door.

Example 3

The difference with the embodiment 2 is that, as shown in fig. 10, in the above technical scheme, the furnace wall of the furnace body 2 above the basin-shaped biomass gasification furnace grate 1 and the pipe wall of the smoke exhaust pipe 3 are both sandwich walls and are mutually communicated to form a heating cavity 4, and the heating cavity 4 is provided with a hot water outlet 41 and a water inlet 42; the hot water outlet 41 is arranged at one end of the smoke exhaust pipe 3, which is far away from the furnace body 2, the water inlet 42 is arranged on the furnace body 2, and the water inlet 42 is arranged below the hot water outlet 41, so that a heating pipeline can be arranged indoors, the water inlet of the heating pipeline is communicated with the hot water outlet, the water return port of the heating pipeline is communicated with the water inlet (the heating pipeline is provided with a circulating water pump), so that water circularly flows and heat is taken away to supply heat indoors, in addition, a furnace liner is not required to be arranged in the furnace body in the embodiment, so that the heat burnt in the furnace body can heat water in a heating cavity more effectively, the heat efficiency is improved, and the heating effect is improved (if the furnace liner is arranged, the efficiency of conducting heat to the heating cavity in the furnace body at the moment is reduced, and the heat loss is more).

Example 4

As shown in fig. 11, this embodiment provides a heating dining table, which includes a heating stove (including a table top 5, the table top 5 is horizontally installed at the upper end of the furnace body 2, and a through hole aligned with a stove mouth is formed in the middle of the table top), as described in embodiment 2 or embodiment 3, and has a simple structure, high combustion efficiency on biomass, more environmental protection, and good cooking performance.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.

Claims (10)

1. The utility model provides a basin shape living beings gasification grate, its characterized in that, including cell body shaped's grate body (11), the notch of grate body (11) up, the upper end of grate body (11) is provided with articulates portion (12), be provided with a plurality of ash holes (1121) that fall that admits air on the diapire of grate body (11), the middle part of the lateral wall of grate body (11) is equipped with a plurality of first fresh air inlet (1113), articulates portion department is equipped with second fresh air inlet (121), just second fresh air inlet (121) vertical slant sets up, just the upper end orientation of second fresh air inlet (121) the top at grate body (11) middle part.

2. The basin-shaped biomass gasification grate according to claim 1, wherein the grate body (11) comprises a barrel shell (111) and a bottom plate (112), the barrel shell (111) is vertically arranged and vertically communicated, the lower end of the barrel shell (111) is internally turned to form a circular baffle (1111), the bottom plate (112) is horizontally arranged in the barrel shell (111) and supported on the circular baffle (1111), the barrel shell (111) and the bottom plate (112) jointly encircle to form a trough body, the air inlet ash falling holes (1121) are formed in the bottom plate (112), a plurality of strip-shaped grooves (1112) distributed at intervals in the circumferential direction are vertically concavely formed in the outer side wall of the barrel shell (111), the lower ends of the strip-shaped grooves (1112) downwards extend to penetrate through the lower end of the barrel shell (111), the bottom wall of the strip-shaped grooves (1112) and the barrel shell (111) are internally communicated to form first air inlet holes (1113), the upper ends of each of the strip-shaped grooves (1112) form first air inlet holes (12) respectively, and the second air inlet holes (121) penetrate through the upper end of the strip-shaped grooves (121).

3. The tub-shaped biomass gasification grate according to claim 2, wherein said inlet ash drop hole (1121) and said first inlet air hole (1113) are each bar-shaped holes.

4. The tub-shaped biomass gasification grate according to claim 2, wherein a plurality of said bar grooves (1112) are uniformly distributed on a side wall of said housing (111) at circumferentially spaced intervals.

5. A heating stove is characterized by comprising a stove body (2), a smoke exhaust pipe (3) and a basin-shaped biomass gasification fire grate (1) as claimed in any one of claims 1-4, wherein the stove body (2) is vertically arranged, the upper end of the stove body (2) is open, at least three lugs (21) which are distributed at intervals in a circumferential direction and are positioned on the same horizontal plane are arranged on the inner side wall of the middle part in the stove body (2), the basin-shaped biomass gasification fire grate (1) is arranged in the stove body (2), the hanging part (12) is supported on the lugs (21) to suspend the basin-shaped biomass gasification fire grate (1) in the stove body (2) and separate the stove chamber of the stove body (2), an ash removing opening (22) and an air inlet (23) are arranged at the lower end of the side wall of the stove body (2), an ash removing door (24) which can be opened or closed is arranged at the position of the ash removing opening (22), an air quantity adjusting valve (25) is arranged at the position of the air inlet (23), the side wall of the basin (2) is corresponding to the biomass gasification fire grate (1) is arranged at the position of the fire grate (1), biomass particles are gasified in the stove body (27) and are arranged in the feeding mechanism (27) and are arranged on the side wall of the stove body (1), the smoke exhaust pipe (3) is horizontally arranged, one end of the smoke exhaust pipe is communicated with the inner upper end of the furnace body (2), and a smoke outlet (31) is formed in the upper end of the other end of the smoke exhaust pipe.

6. The heating furnace according to claim 5, wherein an annular swirling-flow fire-gathering mechanism (28) is arranged at the inner upper end of the furnace body (2), and the swirling-flow fire-gathering mechanism (28) is used for guiding flames at the inner upper end of the furnace body (2) to swirl and gather at a furnace mouth of the furnace body (2).

7. The heating stove according to claim 6, wherein the cyclone fire-gathering mechanism (28) comprises a ring cylinder (281) and a plurality of guide plates (282), the ring cylinder (281) is vertically arranged at the inner upper end of the stove body (2), two ends of the ring cylinder (281) are outwards bent to be far away from each other and are connected with the inside of the stove body (2), the ring cylinder (281) and the side wall of the stove body (2) are jointly enclosed to form an annular chamber, one end of the smoke exhaust pipe (3) is communicated with the chamber, a plurality of exhaust holes (283) are formed in the upper end of the ring cylinder (281) at intervals, a plurality of guide plates (282) are uniformly arranged at the lower end of the ring cylinder (281) along the annular interval, the guide plates (282) are obliquely arranged at the lower end of the ring cylinder (281) in the circumferential direction, the oblique directions of the guide plates (282) are consistent, and a cyclone channel is formed between two adjacent guide plates (282).

8. The heating stove according to claim 5, characterized in that the feeding mechanism (27) is a feeding auger, and the discharging end of the feeding auger penetrates into the stove body (2) and is located above the basin-shaped biomass gasification grate (1).

9. The heating furnace according to any one of claims 5-8, characterized in that the furnace wall of the furnace body (2) above the basin-shaped biomass gasification furnace grate (1) and the pipe wall of the smoke exhaust pipe (3) are sandwich walls and are mutually communicated to form a heating cavity (4), and the heating cavity (4) is provided with a hot water outlet (41) and a water inlet (42); the hot water outlet (41) is arranged at one end, far away from the furnace body (2), of the smoke exhaust pipe (3), the water inlet (42) is arranged on the furnace body (2), and the water inlet (42) is arranged below the hot water outlet (41).

10. A dining table comprising a heating stove as claimed in any one of claims 5 to 9.