CN211822503U - Environment-friendly biomass particle heating furnace - Google Patents

Abstract

The utility model discloses an environment-friendly biomass particle heating furnace, which comprises a furnace body and a storage bin, wherein a heat insulation plate is arranged between the furnace body and the storage bin; the furnace body comprises a combustion chamber, a heat exchange chamber and a flue arranged in the heat exchange chamber; the upper part of the flue is communicated with the combustion cavity, and the lower part of the flue is communicated with a smoke outlet; the side wall of the combustion cavity is provided with a hot air pipe which is communicated with the combustion cavity, and a heating rod is arranged in the hot air pipe. The feed bin comprises a bin body and a feeding channel obliquely arranged from bottom to top, a feeding screw rotatably arranged is arranged in the feeding channel, the lower end of the feeding channel is communicated with the bin body, and the upper end of the feeding channel is provided with a discharge hole. The utility model discloses an environment-friendly living beings granule heating stove, control fuel feeding that can be more accurate, not direct UNICOM during hot smoke and dust after the burning and warm braw heat exchange has advantages such as heat exchange efficiency height, the hot-blast clean that blows off, and fuel production heat discharges and is used for the heating, and the energy saving, reduction emission have good economic benefits and social.

Description

Environment-friendly biomass particle heating furnace

Technical Field

The utility model belongs to the technical field of the heating stove, especially, relate to an environment-friendly living beings granule heating stove.

Background

The heating furnace adopts biomass molding fuel, namely biomass particles are used as fuel, the biomass particles are made from wastes of agriculture and forestry processing, such as wood chips, straws, rice hulls, barks and the like, and the biomass particles are solidified and formed into high-density particle fuel through processing. The blower is used for supplying air, so that the furnace temperature and the air intake amount can be controlled, and the fuel can be fully gasified and combusted in the hearth.

Although the heating furnace in the prior art has improved the utilization ratio of fuel to a great extent, still has the biomass fuel feeding accurate inadequately, and then influences biomass fuel's combustion rate and utilization ratio, and the burning is not enough, and exchange efficiency is low, cause the waste, problem that use cost is high.

The existing heating furnace is ignited by adopting the arrangement in the combustion box, the heating rod is heated to directly ignite fuel during ignition, and the heating rod is always in a high-temperature state in the heating furnace working engineering, so that the service life of the heating rod is directly influenced, and the maintenance frequency and the maintenance cost of equipment are high.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects, the utility model aims to solve the technical problem of providing an environment-friendly biomass particle heating furnace, which can more accurately control the feeding of fuel, the hot smoke dust after combustion is not directly communicated with the warm air during heat exchange, the furnace has the advantages of high heat exchange efficiency, clean blown hot air and the like, the fuel generates heat to be discharged for heating, the product saves energy, reduces emission and has good economic and social benefits.

In order to solve the technical problem, the technical scheme of the utility model is that:

an environment-friendly biomass particle heating furnace comprises a furnace body and a storage bin which are arranged in parallel, wherein a heat insulation plate is arranged between the furnace body and the storage bin; the furnace body comprises a combustion cavity, a heat exchange cavity and a flue arranged in the heat exchange cavity; the upper part of the flue is communicated with the combustion cavity, and the lower part of the flue is communicated with a smoke outlet; the feed bin includes the storehouse body and the pay-off passageway that from bottom to top inclined setting, and the lower extreme and the storehouse body of pay-off passageway are linked together, and the upper end is equipped with the discharge gate.

As an improvement, a combustion box is arranged in the combustion cavity, and a fuel inlet and an air inlet are arranged on the side wall of the combustion cavity; the fuel inlet is positioned above the combustion box, and the fuel falls into the combustion box when entering the combustion chamber through the fuel inlet; the air inlet is located on the lower side of the combustion box.

As an improvement, the bottom and the side wall of the combustion box are both provided with vent holes, a diversion cavity is arranged in the combustion cavity, and gas entering the combustion cavity through an air inlet flows to the combustion box along the diversion cavity.

As an improvement, the upper end of the heat exchange chamber is communicated with an air outlet, and the lower end of the heat exchange chamber is communicated with an air inlet.

As a modification, the number of the heat exchange chambers is two, and the two heat exchange chambers are respectively arranged at two sides of the combustion chamber. Three flues which are arranged in parallel are arranged in each heat exchange cavity.

As an improvement, a feeding screw which is arranged in a rotating way is arranged in the feeding channel.

As an improvement, the furnace body also comprises a hot air cavity positioned above the combustion cavity, the hot air cavity is communicated with the upper part of the heat exchange cavity, and the air outlet is arranged on the side wall of the hot air cavity.

As an improvement, a hot air pipe is arranged on the side wall of the combustion cavity, the hot air pipe is communicated with the combustion cavity, and a heating rod is arranged in the hot air pipe; the combustion chamber is internally provided with a combustion box, the combustion box is provided with a hot air inlet, and the hot air inlet corresponds to the position of the hot air pipe.

As an improvement, an ash beating rod capable of being pulled up and down is installed in the flue, and the external dimension of the ash beating rod is matched with the internal diameter of the flue; the ash beating rod comprises a base body and a scraping part fixed on the base body, and the outer edge of the scraping part is in a spiral line shape.

As an improvement, a smoke exhaust fan is arranged on the smoke exhaust port; and the cross-flow fan is arranged on the air inlet.

By adopting the technical scheme, the beneficial effects of the utility model are that:

1. the flue is arranged in the heat exchange chamber, hot flue gas flows from top to bottom along the flue, cold air flows from bottom to top in the heat exchange chamber, the running directions are opposite, sufficient heat exchange is carried out, and the heat exchange efficiency is high; and the hot flue gas and the cold air are isolated without communicating, so that the hot air blown out after heat exchange is clean and pollution-free, and the use is more environment-friendly, safe and sanitary.

2. The hot air cavity is positioned above the combustion cavity, hot gas in the hot air cavity can be heated in the process that hot flue gas ascends to enter the flue, and the heat exchange efficiency is improved.

3. The cross-flow fan conveys cold air outside the furnace body to the heat exchange cavity through the cold air cavity, after the heat exchange cavity and hot flue gas in the smoke pipeline are subjected to sufficient heat exchange, the cold air is changed into hot air and enters the hot air cavity, and finally the hot air is discharged out of the furnace body through the air outlet, so that the circulation of air is accelerated, the utilization of heat energy is ensured, and the heating effect is good.

4. The smoke exhaust fan can ensure air entering the combustion chamber, so that sufficient oxygen is provided for fuel combustion, and the fuel combustion is more sufficient; and the smoke is discharged, so that the use is safer. The biomass particle heating furnace is used for heating by burning biomass particles and discharging heat generated by fuel. The product saves energy, reduces emission and has good economic and social benefits.

5. The heating rod is arranged outside the combustion box, and is used for heating the heating rod, and under the action of the smoke exhaust fan, hot gas heated by the heating rod is sucked into the combustion box by utilizing negative pressure and igniting fuel in the combustion box. After the fuel is ignited, the heating rod can be stopped from being heated, and the ignition is finished. The structure is designed to significantly extend the life of the heating rod.

6. The hot smoke and dust in the heating furnace can be discharged with soot, and can be attached to the side wall of the flue after long-term use, and the soot needs to be cleaned regularly. The utility model discloses a be equipped with in the flue and beat grey pole, stimulate about through handle and connecting rod and beat grey pole for scraping portion and flue inner wall contact can conveniently clear up the adnexed smoke and dust of flue inner wall.

7. The discharge gate is located the feed bin lower part, and apart from bottom certain distance department, the cooperation pay-off spiral, the output quantity of control living beings granule that can be more accurate effectively avoids because of the error that the action of gravity arouses. The biomass fuel is more fully combusted, and the biomass fuel has the advantages of high fuel utilization rate, low use cost and the like.

8. The lower part of the bin body is funnel-shaped, and the feed inlet is positioned at the bottom of the bin body. The structural design is beneficial to the whole discharge of fuel in the bin body, and the fuel is more fully utilized.

Drawings

Fig. 1 is a schematic structural diagram of an environment-friendly biomass particle heating furnace of the utility model;

FIG. 2 is a schematic left side view of FIG. 1;

FIG. 3 is a perspective view of the furnace body of FIG. 1;

FIG. 4 is a schematic rear view of FIG. 3;

FIG. 5 is a schematic structural view of the furnace body;

FIG. 6 is a schematic sectional view A-A in FIG. 5;

FIG. 7 is a schematic cross-sectional view B-B of FIG. 6;

FIG. 8 is a schematic view of the ash striking rod of FIG. 5;

FIG. 9 is an enlarged view at E in FIG. 5;

FIG. 10 is a schematic view of the structure of the silo of FIG. 1;

FIG. 11 is a sectional view taken along line F-F of FIG. 10;

FIG. 12 is a left side view of FIG. 10;

wherein: 1-combustion chamber, 2-heat exchange chamber, 3-flue, 4-smoke outlet, 5-air outlet, 6-air inlet, 7-combustion box, 8-fuel inlet, 9-air inlet, 10-air inlet pipe, 11-diversion chamber, 12-transition pipe, 13-hot air chamber, 14-cold air chamber, 15-smoke dust chamber, 16-hot air pipe, 17-heating rod, 18-hot air inlet, 19-ash beating rod, 20-baffle, 21-open pore, 22-connecting rod, 23-handle, 24-base body, 25-scraping part, 28-furnace body, 29-furnace body, 30-storage bin, 31-heat insulation board, 32-feeding channel, 33-feeding port, 34-discharging port and 35-feeding screw, 36-a material guide groove, 37-a motor, 38-a mounting frame and 39-a rib plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Examples

As shown in the figures 1 and 2, the environment-friendly biomass particle heating furnace comprises a furnace body 29 and a storage bin 30 which are arranged in parallel, and a heat insulation plate 28 is arranged between the furnace body 29 and the storage bin 30.

As collectively shown in fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, the furnace body 29 comprises a combustion chamber 1, a heat exchange chamber 2 and a flue 3 vertically disposed inside the heat exchange chamber 2; the hot air chamber 13 is positioned above the combustion chamber 1, the smoke chamber 15 is positioned below the combustion chamber 1, and the cold air chamber 14 is positioned below the combustion chamber 1.

A combustion box 7 is arranged in the combustion chamber 1, and a fuel inlet 8 and an air inlet 9 are arranged on the side wall of the combustion chamber 1. The fuel inlet 8 is located above the combustion box 7 and fuel falls into the combustion box 7 as it enters the combustion chamber 1 through the fuel inlet 8. An air inlet 9 is positioned at the lower side of the combustion box 7, and an air inlet pipe 10 is connected to the air inlet 9. The bottom and the side wall of the combustion box 7 are provided with a plurality of ventilation holes (not shown in the figure), a diversion chamber 11 is arranged in the combustion chamber 1, and the gas entering the combustion chamber 1 through the air inlet 9 flows to the combustion box 7 along the diversion chamber 11.

As shown in fig. 5, 8 and 9, a hot air pipe 16 is disposed on a side wall of the combustion chamber 1, the hot air pipe 16 is communicated with the combustion chamber 1, and a heating rod 17 is installed in the hot air pipe 16. The combustion box 7 is provided with a hot air inlet 18, and the position of the hot air inlet 18 corresponds to that of the hot air pipe 16.

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, the upper part of the flue 3 communicates with the combustion chamber 1, and the lower part communicates with the smoke discharge port 4. The upper end of the heat exchange chamber 2 is communicated with an air outlet 5, and the lower end is communicated with an air inlet 6. The number of the heat exchange chambers 2 is two, and the two heat exchange chambers 2 are respectively arranged at two sides of the combustion chamber 1. Three parallel flues 3 are arranged in each heat exchange chamber 2.

As shown in fig. 5, 8 and 9, in the present embodiment, the flue 3 is preferably a metal round pipe structure, the ash striking rod 19 capable of being pulled up and down is installed in the flue 3, the outer dimension of the ash striking rod 19 is matched with the inner diameter of the flue 3, the ash striking rod 19 includes a base 24 and a scraping part 25 fixed on the base 24, and the outer edge of the scraping part 25 is in a spiral shape. A baffle plate 20 is fixed at the upper end of the flue 3, and an opening 20 is arranged on the baffle plate 20; a through connecting rod 22 is arranged in the opening 20, and the lower end of the connecting rod 22 is connected with the ash beating rod 19. The upper end of the connecting rod 22 is provided with a handle 23. The dust beating rod 19 is pulled up and down through the handle 23 and the connecting rod 22, so that the dust attached to the inner wall of the flue 3 can be conveniently cleaned. The upper part of the flue 3 is communicated with the combustion chamber 1 through a transition pipe 12; the side wall of the combustion chamber 1 is communicated with a transition pipe 12, and the other end of the transition pipe 12 is connected with the flue 3.

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8 and 9, the hot air chamber 13 communicates with the upper portion of the heat exchange chamber 2, and the air outlet 5 is provided on a side wall of the hot air chamber 13. The cold air chamber 14 is communicated with the lower part of the heat exchange chamber 2, and the air inlet 6 is arranged on the side wall of the cold air chamber 14. The smoke cavity 15 is communicated with the lower end of the flue 3, and the smoke outlet 4 is arranged on the smoke cavity 15. The smoke outlet 4 is provided with a smoke exhaust fan (not shown in the figure). A cross-flow fan (not shown) is mounted on the air inlet 6. The cross-flow fan is a commercially available blower and is used for sending cold air outside the furnace body to the heat exchange chamber 2 through the cold air chamber 14, converting the cold air into hot air after the heat exchange chamber 2 and hot flue gas in the smoke dust pipeline are subjected to sufficient heat exchange, entering the hot air chamber 13, and finally discharging the hot air out of the furnace body through the air outlet 5.

As shown in fig. 1, 2, 10, 11 and 12, the storage bin 30 includes a storage bin body 31 and a feeding channel 32 inclined from bottom to top, and a feeding screw 35 rotatably disposed is disposed in the feeding channel 32.

As shown in fig. 1, 2, 10, 11 and 12, the lower end of the feeding channel 32 is communicated with the bin body 31, and the upper end is provided with a discharge hole 34. The discharge port 34 is located at a lower side of an upper end of the feed passage 32. The discharge port 34 is provided with a material guide chute 36, the end of the material guide chute 36 is positioned above the fuel inlet 8, and the material guide chute 36 is convenient for conveying biomass particles into the combustion box 7 of the bin body 29.

As shown in the figures 1, 2, 10, 11 and 12, the lower part of the bin body 31 is funnel-shaped, rib plates 39 are arranged on the inner wall of the bin body 31, the bin body has good rigidity and more stable structure. The funnel-shaped bottom of the lower part of the bin body 31 is close to the position of the furnace body when the bin body 31 is installed, so that the biomass particles can be conveniently output and then conveyed into the furnace body. The feeding channel 32 is arranged on the side wall of the bin body 31. The lower end of the feeding channel 32 is provided with a feeding hole 33, and the feeding channel 32 is communicated with the bin body 31 through the feeding hole 33. The feed inlet 33 is positioned at the bottom of the bin body 31, and the structural design is beneficial to completely discharging the fuel in the bin body, so that the fuel is more fully utilized. The bottom of the bin body 31 is provided with a mounting frame 38, and the motor 37 is fixedly mounted on the mounting frame 38. The feeding screw 35 is in transmission connection with a motor 37 through a belt and a belt wheel (not shown in the figure).

When in use, firstly, the biomass fuel is filled into the bin 30. The motor 37 is started, the motor 37 is controlled to work intermittently, and quantitative biomass particles are fed intermittently into the combustion box 7 of the bin body 29. The smoke exhaust fan is started and heats the heating rod 17, and hot air heated by the heating rod 17 is sucked into the combustion box 7 by using negative pressure under the action of the smoke exhaust fan and ignites fuel in the combustion box 7. After the fuel is ignited, heating of the heating rod 17 can be stopped, and the ignition is completed. The structure is designed to significantly extend the life of the heating rod. And (3) starting the cross-flow fan, sending cold air outside the furnace body 29 to the heat exchange cavity 2 through the cold air cavity 14, converting the cold air into hot air after the heat exchange cavity 2 and hot flue gas in the smoke pipeline are subjected to sufficient heat exchange, entering the hot air cavity 13, finally discharging the hot air out of the furnace body through the air outlet 5, and discharging heat generated by fuel for heating.

The hot smoke and dust in the heating furnace can be exhausted with soot, and can be attached to the side wall of the flue 3 after long-term use, and the soot needs to be cleaned regularly. The utility model discloses a be equipped with in the flue 3 and beat grey pole 19, beat grey pole 19 through pulling from top to bottom of handle 23 and connecting rod 22 for scraping portion 25 and the contact of 3 inner walls of flue can conveniently clear up the adnexed smoke and dust of 3 inner walls of flue.

To sum up, the utility model discloses an environment-friendly living beings granule heating stove provides an environment-friendly living beings granule heating stove, and control fuel feeding that can be more accurate, not direct UNICOM during hot smoke and dust after the burning and warm braw heat exchange has advantages such as heat exchange efficiency height, the hot-blast clean that blows off, produces the heat discharge with the fuel and is used for the heating, the product energy saving, reduces and discharges, has good economic benefits and social.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides an environment-friendly living beings granule heating stove which characterized in that: comprises a furnace body (29) and a storage bin (30) which are arranged in parallel, wherein a heat insulation plate (28) is arranged between the furnace body (29) and the storage bin (30);

the furnace body (29) comprises a combustion chamber (1), a heat exchange chamber (2) and a flue (3) arranged in the heat exchange chamber (2); the upper part of the flue (3) is communicated with the combustion chamber (1), and the lower part of the flue is communicated with a smoke outlet (4);

the storage bin (30) comprises a bin body (31) and a feeding channel (32) which is obliquely arranged from bottom to top, the lower end of the feeding channel (32) is communicated with the bin body (31), and the upper end of the feeding channel is provided with a discharge hole (34).

2. An environment friendly biomass pellet heating furnace as claimed in claim 1, wherein: a combustion box (7) is arranged in the combustion cavity (1), and a fuel inlet (8) and an air inlet (9) are arranged on the side wall of the combustion cavity (1);

the fuel inlet (8) is positioned above the combustion box (7), and fuel falls into the combustion box (7) when entering the combustion chamber (1) through the fuel inlet (8);

the air inlet (9) is located on the lower side of the combustion box (7).

3. An environment friendly biomass pellet heating furnace as claimed in claim 2, wherein: the bottom and the side wall of the combustion box (7) are both provided with ventilation holes, a flow guide cavity (11) is arranged in the combustion cavity (1), and gas entering the combustion cavity (1) through an air inlet (9) flows to the combustion box (7) along the flow guide cavity (11).

4. An environment friendly biomass pellet heating furnace as claimed in claim 1, wherein: the upper end of the heat exchange chamber (2) is communicated with an air outlet (5), and the lower end of the heat exchange chamber is communicated with an air inlet (6).

5. An environment friendly biomass pellet heating furnace as claimed in claim 1, wherein: the number of the heat exchange chambers (2) is two, and the two heat exchange chambers (2) are respectively arranged on two sides of the combustion chamber (1); three flues (3) arranged in parallel are arranged in each heat exchange chamber (2).

6. An environment friendly biomass pellet heating furnace as claimed in claim 1, wherein: a feeding screw (35) which is arranged in a rotating way is arranged in the feeding channel (32).

7. An environment friendly biomass pellet heating furnace as claimed in claim 4, wherein: the furnace body still includes hot-blast chamber (13) that is located combustion chamber (1) top, and hot-blast chamber (13) are linked together with the upper portion of heat exchange cavity (2), air outlet (5) set up on the lateral wall in hot-blast chamber (13).

8. An environment friendly biomass pellet heating furnace as claimed in claim 1, wherein: a hot air pipe (16) is arranged on the side wall of the combustion cavity (1), the hot air pipe (16) is communicated with the combustion cavity (1), and a heating rod (17) is arranged in the hot air pipe (16); a combustion box (7) is arranged in the combustion cavity (1), a hot air inlet (18) is formed in the combustion box (7), and the position of the hot air inlet (18) corresponds to that of the hot air pipe (16).

9. An environment friendly biomass pellet heating furnace as claimed in claim 1, wherein: an ash beating rod (19) capable of being pulled up and down is installed in the flue (3), and the external dimension of the ash beating rod (19) is matched with the internal diameter of the flue (3); the ash beating rod (19) comprises a base body (24) and a scraping part (25) fixed on the base body (24), and the outer edge of the scraping part (25) is in a spiral line shape.

10. An environment friendly biomass pellet heating furnace as claimed in claim 4, wherein: a smoke exhaust fan is arranged on the smoke exhaust port (4); and a cross-flow fan is arranged on the air inlet (6).

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