CN210832532U

CN210832532U - Upper-hanging and lower-supporting type multi-fuel in-furnace forming combustion furnace

Info

Publication number: CN210832532U
Application number: CN201921903518.0U
Authority: CN
Inventors: 温锋涛; 温社弟
Original assignee: Xi'an Tianwaitian Boiler Co ltd
Current assignee: Xi'an Tianwaitian Boiler Co ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2020-06-23
Anticipated expiration: 2029-11-06

Abstract

The utility model discloses a go up and hang down and hold in palm type multi-fuel in-furnace shaping combustion furnace down, including the chimney that sets gradually from top to bottom, the bell, furnace body shell and stove base, set up the discharge port with the chimney intercommunication on the bell, hang in the furnace body shell and have a plurality of interior fuel of stove to place the cage, the discharge port is close to a plurality of interior fuel of stove and places the central point of cage and puts, and uses chimney position as the border, the interior fuel of stove is placed the cage below and is set up respectively to no plenum and plenum, is provided with the deep bead between no plenum and the plenum, no plenum is located and the same one side that cage central point put is placed to the interior fuel of stove. The utility model discloses the smoke and dust of treating the emission burns respectively and subsides, has effectively reduced the emission of fuel burning back smoke and dust, sulfur dioxide and nitrogen oxide.

Description

Upper-hanging and lower-supporting type multi-fuel in-furnace forming combustion furnace

Technical Field

The utility model belongs to the technical field of combustion apparatus, a shaping combustion furnace in multi-fuel stove of upper-hanging lower support formula is related to.

Background

At present, in order to reasonably regulate and control the utilization rate of resources and realize the continuous utilization of the resources, the nation advocates vigorously to use biomass renewable resources as fuels, and a plurality of enterprises select biomass briquette boilers. Considering that the combustion of fuel can generate a large amount of smoke dust, the large, medium and small biomass briquette fuel boilers are additionally provided with high-efficiency dust collectors. However, the large, medium and small biomass briquette boilers have high cost and specific limitation on the types of fuels, and small stoves used by individuals or families do not have dust collectors or treat a large amount of smoke dust after combustion, so that the smoke dust is directly discharged into the air, and the environment is polluted.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shape is fired burning furnace in hanging down support formula multi-fuel stove on, treat the smoke and dust of emission and burn respectively and subside, effectively reduced the emission of smoke and dust, sulfur dioxide and nitrogen oxide after the fuel burning.

The utility model provides a technical scheme who adopts is, a go up and hang down and hold in palm type many fuel in stove shaping combustion furnace, including the chimney that sets gradually from top to bottom, bell, furnace body shell and stove base, set up the discharge port with the chimney intercommunication on the bell, hang in the furnace body shell or hold in the palm down or hang down simultaneously and hold in the palm and have a plurality of stove fuel to place the cage, the discharge port is close to a plurality of stove fuel and places the central point of cage and put, and uses chimney place position as the boundary, stove fuel places the cage below and sets up respectively to no plenum and plenum, no plenum lies in and places the same one side that cage central point put with the discharge port at stove fuel.

The utility model is also characterized in that,

the furnace body shell is internally and vertically provided with a hanging rail a or a lower bracket with a rail b or a lower bracket with a hanging rail a or a lower bracket with a rail b along the length direction, the bottom of the furnace fuel placing cage is matched with the rail b in shape, and the upper part of the furnace fuel placing cage is provided with a hanging lug matched with the rail a.

The furnace body shell is movably provided with a furnace cage fork, the furnace cage fork body is positioned in the furnace body shell, the furnace cage fork handle is positioned outside the furnace body shell, and the furnace cage fork can push the fuel in the furnace to move along the track a and the track b.

The air chamber is provided with a fire poking mechanism.

The fire poking mechanism comprises a fire poking fork, a pedal plate is arranged outside the furnace body shell, and the pedal plate and the fire poking fork form a lever structure so that the fire poking fork can be forked into the bottom of the fuel containing cage in the furnace.

A cylindrical water jacket with openings at the upper end and the lower end is arranged between the furnace cover and the chimney, the chimney and the furnace cover are respectively connected with the upper end and the lower end of the water jacket, a plurality of convection tube bundles connected with the water jacket are arranged in the water jacket, a water outlet and an air vent are respectively arranged on the water jacket, a water return port is arranged at the bottom of the furnace body shell, a sewage discharge port is arranged at the bottom of the water return port, and the water return port is communicated with the water jacket through.

An air inlet door is arranged at the corresponding position of the bottom of the furnace body shell and the air chamber, and a front furnace door and a rear furnace door are respectively arranged at the two ends of the furnace body shell in the length direction.

The chimney is internally provided with a smoke baffle, the area and the shape of the smoke baffle are adapted to the cross section of the chimney, and the smoke baffle rotates to open and close in the chimney by taking a straight line with a diameter as a rotating shaft.

The outer surface of the furnace body shell is provided with a heat preservation layer.

A wind shield is arranged between the airless chamber and the air chamber.

The utility model has the advantages that:

1) the utility model relates to an upper-hanging and lower-supporting type multi-fuel in-furnace forming combustion furnace which is suitable for various scattered fuels, the scattered fuels are loaded into a furnace fuel placing cage to realize the in-furnace forming combustion of the fuels, and a plurality of furnace fuel placing cages are sequentially combusted in a furnace chamber;

2) the utility model relates to a hang down and hold in palm in many fuel stoves of shaping combustion furnace a plurality of stove fuel of stove and place cage fuel in the in-process that burns in proper order, the fuel that unburnts can abundant drying, dry distillation, oxidation, reduction, when the high temperature flue gas that the back burning produced flows into the front, must mix with the combustible gas (being black cigarette) that appears in the dry distillation, be ignited in the twinkling of an eye, thereby realize the environmental protection and energy saving effect that the smoke fuel smokelessly burns, and the dust of bigger granule can take place to subside in the flow process of high temperature flue gas and combustible gas in furnace, the emission of dust has been reduced;

3) the utility model relates to a hang down in stove of support type multi-fuel stove in shaping combustion furnace's stove fuel placement cage hangs in the air, it only supplies air under the fuel to have changed traditional grate formula burning, catch fire by lower supreme, the defect that burning area is restricted, and this combustion furnace is all-round burning through the stove fuel placement cage hanging in the air burning of fuel, furnace is long, do not use electricity, need not compulsory air feed, the combustion area is long, the combustion temperature is low, the nitrogen oxide that produces is extremely low, compare with traditional burning, have that the combustion rate is fast, burn out the high characteristics of rate, energy-conserving dust fall effect is obvious;

in conclusion, the upper-hanging and lower-supporting type multi-fuel furnace inner molding combustion furnace has lower cost and convenient use; the applicability of the fuel is wide; the smoke dust emission after combustion can be greatly reduced; the environment is protected and safe; has extremely high social value.

Drawings

FIG. 1 is a schematic view of a multi-fuel in-furnace forming combustion furnace of the present invention;

fig. 2 is another angle structure diagram of the upper-hanging and lower-supporting type multi-fuel in-furnace forming combustion furnace of the present invention.

In the figure, 1, a chimney, 2, a smoke baffle, 3, a water jacket, 4, a furnace body shell, 5, a front furnace door, 6, a furnace base, 7, a wind baffle, 8, a fire poking mechanism, 9, an air chamber, 10, a furnace cage fork, 11, a rear furnace door, 12, a furnace cover, 13, a discharge port, 14, a water outlet, 15, a convection bank, 16, a rail a, 17, a fuel placing cage in the furnace, 18, an air inlet door, 19, a discharge port, 20, a water return port, 21, a heat preservation layer, 22, a vent, 23 and a hanging lug.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model relates to an upper-hanging and lower-supporting type multi-fuel in-furnace forming combustion furnace, as shown in figure 1-2, comprising a chimney 1, a furnace cover 12, a furnace body shell 4 and a furnace base 6 which are sequentially arranged from top to bottom, a smoke baffle 2 is arranged in the chimney 1, the area and the shape of the smoke baffle 2 are adapted to the cross section of the chimney, the smoke baffle 2 rotates and opens and closes in the chimney 1 by taking a straight line with a diameter as a rotating shaft, the furnace cover 12 is a water jacket type panel, the outer surface of the furnace body shell 4 is provided with a heat preservation layer 21, the two ends of the length direction of the furnace body shell 4 are respectively provided with a front furnace door 5 and a rear furnace door 11, a discharge port 13 communicated with the chimney 1 is arranged on the furnace cover 12, a plurality of in-furnace fuel placing cages 17 are hung or supported or simultaneously hung and supported in the furnace body shell 4, generally seven in-furnace fuel placing, and the position of the chimney 1 is used as a boundary, an airless chamber and an air chamber 9 are respectively arranged below the fuel placing cage 17 in the furnace, a wind shield 7 is arranged between the airless chamber and the air chamber 9, two air inlet doors 18 are arranged at the corresponding positions of the bottom of the furnace body shell 4 and the air chamber 9, a fire poking mechanism 8 is arranged in the air chamber 9, and the airless chamber is positioned at the same side of the central position of the fuel placing cage 17 in the furnace with the discharge port 13.

The furnace body shell 4 is internally and vertically provided with a hanging rail a or a lower bracket with a rail b or a lower bracket with a hanging rail a or a lower bracket with a rail b along the length direction, the bottom shape of the furnace fuel placing cage 17 is matched with the rail b, and the upper part of the furnace fuel placing cage 17 is provided with a hanging lug 23 matched with the rail a 16.

The furnace body shell 4 is movably provided with a furnace cage fork 10, the fork body of the furnace cage fork 10 is positioned in the furnace body shell 4, a handle of the furnace cage fork 10 is positioned outside the furnace body shell 4, and the furnace cage fork 10 can push the fuel in the furnace to place the cage 17 to move along the track a16 and the track b.

The fire poking mechanism 8 comprises a fire poking fork, a pedal plate is arranged outside the furnace body shell 4, and the pedal plate and the fire poking fork form a lever structure so that the fire poking fork can be forked into the bottom of the fuel containing cage 17 in the furnace.

A cylindrical water jacket 3 with openings at the upper end and the lower end is arranged between the furnace cover 12 and the chimney 1, the chimney 1 and the furnace cover 12 are respectively connected with the upper end and the lower end of the water jacket, a plurality of convection tube bundles 15 connected with the water jacket 3 are arranged in the water jacket 3, a water outlet 14 and a vent 22 are respectively arranged on the water jacket 3, a water return port 20 is arranged on the bottom of the furnace body shell 4, a sewage discharge port 19 is arranged at the bottom of the water return port 20, and the water return port 20 is communicated with the water jacket.

The utility model relates to a hang down and hold in palm main part effect that the shaping was fired burning furnace in formula many fuel stoves as follows:

the in-furnace fuel containing cage 17 is used for containing scattered fuel, so that the scattered fuel can be formed and combusted in the combustion furnace.

The rail a16 and the rail b enable the fuel placing cage 17 in the furnace to be hung in the hearth, the contact area of the fuel and air is increased, the burnout rate is improved, and dust is effectively reduced.

The wind shield 7 divides the bottom space of the hearth into an air chamber 9 and an air-free chamber, fuel in the furnace fuel placing cage 17 above the air-free chamber is not combusted, air supply is not needed, fuel drying, dry distillation and the like are facilitated, most of the fuel in the furnace fuel placing cage 17 above the air chamber 9 is combusted, and air flow is enhanced by the air chamber 9 to help combustion.

The cage forks 10 can push the in-furnace fuel-retaining cages 17 forward one by one, in a sequential order.

The fire poking mechanism 8 is after stepping on the running-board, and the fire poking fork upwards forks into the bottom of the in-furnace fuel placing cage 17, and the ash residue that burns at the bottom of the in-furnace fuel placing cage 17 is dredged and falls down, and the phenomenon that the ash residue blocks up the hole at the bottom of the in-furnace fuel placing cage 17, which leads to the insufficient combustion of the fuel is avoided.

The water jacket 3 and the convection bank 15 are used for heat exchange, the temperature of flue gas discharged from a discharge port in the hearth is reduced, the damage to the chimney 1 caused by overhigh temperature of the flue gas is avoided, and meanwhile, sufficient heat recovery and utilization can be carried out.

The water return port 20 and the water outlet 14 are both connected with a heating system or other circulating heat exchange systems to form water circulation, cold water enters from the water return port 20, the temperature of water flow is increased after the cold water flows through the water jacket 3 and the convection tube bundle 15 and becomes hot water, the hot water is discharged from the water outlet 14, and the sewage discharge port 19 is used for discharging impurities and dirt in the circulating water from the bottom of the water return port 20.

The smoke baffle 2 rotates to open and close in the chimney 1 by taking a straight line with a diameter as a rotating shaft, and the emission of the emissions is controlled by controlling the opening and closing angle.

The heat-insulating layer 21 plays a role in heat insulation for the hearth.

The utility model relates to a combustion process that the shaping of upper-hanging lower support type multi-fuel in-furnace fires burning furnace specifically is as follows:

opening a rear furnace door 11, placing a furnace fuel placing cage 17 into a furnace chamber, using a furnace cage fork 10 to move the furnace fuel placing cage 17 forward to the position of the furnace fuel placing cage 17, then placing a second furnace fuel placing cage … … and a third furnace fuel placing cage … … in sequence, igniting the fuel in the two furnace fuel placing cages 17 placed at last, closing the rear furnace door 11, opening an air inlet door 18, and starting the heat exchange cycle of water in the water jacket 3 and the convection bank 15.

In the fuel combustion process, the burning fuel produces the high temperature flue gas, the burning fuel toasts unburned fuel and produces black cigarette, black cigarette is the combustible gas that dry distillation separated out, high temperature flue gas and black cigarette all flow to discharge port 13, when high temperature flue gas and black cigarette contact mix, black cigarette is ignited in the twinkling of an eye, the direct emission of black cigarette has been avoided, obtain the mixed flue gas of burning, the mixed flue gas of burning is discharged by chimney 1 through hindering cigarette board 2 after the cooling of water jacket 3 and convection bank 15, substance concentration such as particulate matter, sulfur dioxide, nitrogen oxide in the flue gas that discharges all accords with and is far below discharge standard.

Claims

1. The upper-hanging and lower-supporting type multi-fuel in-furnace forming combustion furnace comprises a chimney (1), a furnace cover (12), a furnace body shell (4) and a furnace base (6), wherein the chimney (1), the furnace cover (12) and the furnace base are sequentially arranged from top to bottom, a discharge port (13) communicated with the chimney (1) is formed in the furnace cover (12), the furnace body shell (4) is hung or supported or hung and supported simultaneously, a plurality of in-furnace fuel containing cages (17) are arranged in the furnace body shell (4), the discharge port (13) is close to the central positions of the plurality of in-furnace fuel containing cages (17) and is bounded by the positions of the chimney (1), an air-free chamber and an air chamber (9) are respectively arranged below the in-furnace fuel containing cages (17), and the air-free chamber is located on the same side of the central positions of the in.

2. The multi-fuel in-furnace forming combustion furnace of the upper-hanging and lower-supporting type as claimed in claim 1, wherein the furnace body shell (4) is provided with hanging rails a (16) or lower brackets with rails b or both hanging rails a (16) or lower brackets with rails b along the length direction thereof, the bottom of the in-furnace fuel placing cage (17) is matched with the rails b in shape, and the upper part of the in-furnace fuel placing cage (17) is provided with hanging lugs (23) matched with the rails a (16).

3. The multi-fuel in-furnace forming combustion furnace of the hanging-up and hanging-down type as recited in claim 2, characterized in that said furnace body shell (4) is movably provided with a cage fork (10), said cage fork (10) is arranged in said furnace body shell (4), said cage fork (10) handle is arranged outside said furnace body shell (4), and said cage fork (10) is pulled to push the fuel placing cage (17) in the furnace to move along the track a (16) and the track b.

4. A multi-fuel stove internal combustion forming furnace of hanging-down type as claimed in claim 1, characterized in that the air chamber (9) is provided with a fire-poking mechanism (8).

5. The multi-fuel in-furnace forming combustion furnace of the hanging-on-and-hanging-off type as claimed in claim 4, wherein said fire-poking mechanism (8) comprises a fire-poking fork, and a foot pedal is arranged outside said furnace body shell (4), and said foot pedal and fire-poking fork form a lever structure to make the fire-poking fork to be inserted into the bottom of the fuel placing cage (17) in the furnace.

6. The upper-hanging and lower-supporting type multi-fuel in-furnace forming combustion furnace is characterized in that a cylindrical water jacket (3) with openings at the upper end and the lower end is arranged between the furnace cover (12) and the chimney (1), the chimney (1) and the furnace cover (12) are respectively connected with the upper end and the lower end of the water jacket, a plurality of convection tube bundles (15) connected with the water jacket (3) are arranged in the water jacket (3), a water outlet (14) and a vent (22) are respectively arranged on the water jacket (3), a water return port (20) is formed in the bottom of the furnace body shell (4), a sewage discharge port (19) is formed in the bottom of the water return port (20), and the water return port (20) is communicated with the water jacket (3) through a pipeline.

7. The multi-fuel in-furnace molding combustion furnace of the upper hanging and lower supporting type as claimed in claim 1, wherein an air inlet door (18) is provided at the bottom of the furnace body housing (4) corresponding to the air chamber (9), and a front furnace door (5) and a rear furnace door (11) are respectively provided at both ends of the furnace body housing (4) in the length direction.

8. The multi-fuel in-furnace forming combustion furnace of the upper hanging and lower supporting type as claimed in claim 1, characterized in that a smoke-blocking plate (2) is arranged in the chimney (1), the area and shape of the smoke-blocking plate (2) are adapted to the cross section of the chimney (1), and the smoke-blocking plate (2) is rotated to open and close in the chimney (1) by taking a straight line with a diameter as a rotation axis.

9. A multi-fuel in-furnace shaped combustion furnace of hanging-up-and-down type as claimed in claim 1, wherein the outer surface of said furnace body case (4) is provided with an insulating layer (21).

10. A multi-fuel stove inner forming combustion furnace of hanging-on-hanging-off type as defined in claim 1 characterized in that a wind screen (7) is provided between the windless chamber and the air chamber (9).