CN110645582A

CN110645582A - Biomass combustion source discharges smoke and dust cover

Info

Publication number: CN110645582A
Application number: CN201910569190.1A
Authority: CN
Inventors: 嵇旭辉
Original assignee: Wenzhou Huan Hong Textile Co Ltd
Current assignee: Wenzhou Huan Hong Textile Co Ltd
Priority date: 2019-06-27
Filing date: 2019-06-27
Publication date: 2020-01-03

Abstract

The invention provides a smoke hood for discharging a biomass combustion source, which comprises: the device comprises a U-shaped pipe, a flue gas outlet pipe, a fire blocking net, an annular activated carbon filter box, fan blades and an air suction fan blade; the outside of lock sleeve has a locking bolt through threaded connection, the flange of U type pipe through its top is connected respectively on the flange of erecting even pipe and flue gas exit tube bottom, the inboard lower extreme of flue gas exit tube is inlayed respectively and is had two sets of fire prevention nets, and the top of fire prevention net is equipped with the suction fan leaf, the suction fan leaf is installed in the bottom of pivot, and the pivot upwards passes in the commentaries on classics cover that changes on the top cap is connected to the commentaries on classics cover of arc overhead guard bottom, and is two sets of in the pivot between arc overhead guard and the top cap is all welded to the flabellum. The fire blocking net can isolate flame, and block dust in the flue gas, make the dust deposit intraductal in U type, under the wind-force condition, the flabellum is followed and is rotated, and the induced draft fan leaf rotates in step, makes the flue gas flow to flue gas exit tube department smoothly, filters under the effect of annular active carbon rose box to the flue gas.

Description

Biomass combustion source discharges smoke and dust cover

Technical Field

The invention relates to the technical field of biomass smoke hoods, in particular to a smoke hood for biomass combustion source emission.

Background

The emission of biomass combustion is one of the main sources of air pollution, and the open combustion of biomass (such as the emission from a rural chimney) is a common combustion type in rural areas in China.

Therefore, biomass is usually directly discharged through a chimney in rural areas at present, a large amount of smoke dust is not treated in gas discharged from the chimney, and meanwhile, the gas directly discharged from the chimney is easy to damage the environment.

Disclosure of Invention

Problem (A)

In conclusion, the invention provides a smoke hood for biomass combustion source emission, which solves the problems that a large amount of smoke exists in the gas discharged by biomass combustion in rural areas without being treated and the gas directly discharged from a chimney is easy to damage the environment through the improvement of structure and functionality.

(II) technical scheme

The invention provides a smoke dust cover for discharging a biomass combustion source, which separates smoke dust through a fire blocking net, enables the smoke dust to be accumulated in a U-shaped pipe, is convenient to disassemble and clean, and utilizes active carbon in an annular active carbon filter box to treat discharged smoke dust. The biomass combustion source emission dust hood provided by the invention specifically comprises: the device comprises a flue gas sleeve, a locking bolt, a clamping groove step structure, a transverse pipe, a vertical connecting pipe, a U-shaped pipe, a flange, a connecting plate, a lantern ring plate, a flue gas outlet pipe, a top cover, a fire retardant net, a conical gas outlet cover, a blocking net, an annular activated carbon filter box, a circular pressing plate, a protective net, fan blades, a rotating shaft, an arc-shaped top cover, a rotating sleeve, a suction fan blade and a rib rod; the utility model discloses a flue gas cover, including flue gas sheathed tube, U type pipe, fire retarding net, fan blade, rib rod, lock sleeve, locking bolt, connecting plate, fire retarding net, fan blade, connecting plate, fan blade, top cover, fan blade, top cover, fan blade, bottom cover, top cover, fan blade, bottom cover, bottom The above.

Further, a clamping groove step structure is fixedly arranged at the lower end of the inner side of the flue gas sleeve, and an annular groove is formed between the clamping groove step structure and the inner wall of the flue gas sleeve.

Furthermore, the inner diameter of the locking sleeve is larger than the outer diameter of the smoke sleeve by cm.

Further, the middle parts of the vertical connecting pipe, the smoke outlet pipe and the smoke sleeve are all welded with ring sleeving plates, and the ring sleeving plates are connected through connecting plates.

Furthermore, six groups of conical air outlet covers which are annularly arranged are arranged on the bottom side of the top cover, the top ends of the conical air outlet covers penetrate into the annular active carbon filter box through pipelines, and blocking nets are embedded on the top end surfaces of the pipelines.

Furthermore, a through hole is arranged in the middle of the circular pressing plate, and the diameter of the through hole is larger than the outer diameter of the rotating shaft

Furthermore, a protective net is arranged in the middle of the circular pressing plate, and the structure of the protective net is the same as the inner cavity structure of the annular active carbon filter box.

Further, the diameter of the bottom end of the arc-shaped top cover is larger than the outer diameter of the annular activated carbon filter box, and the diameter of the bottom end of the arc-shaped top cover is the same as the outer diameter of the circular pressing plate.

(III) advantageous effects

The invention provides a smoke and dust cover for biomass combustion source discharge, which is characterized in that a time delay sleeve is sleeved on a chimney, so that smoke flows into a U-shaped pipe along a transverse pipe and a vertical connecting pipe and is discharged upwards through a smoke outlet pipe, a flame blocking net is arranged at the lower end of the smoke outlet pipe, flame can be prevented from continuously moving upwards in the smoke outlet pipe, meanwhile, dust in the smoke can be blocked, the dust is accumulated in the U-shaped pipe, and the dust in the U-shaped pipe can be cleaned by detaching the U-shaped pipe.

Secondly, set up the arc overhead guard on the top of flue gas exit tube, utilize the arc overhead guard to protect the end of giving vent to anger of flue gas exit tube, avoid the rainwater to flow into in the flue gas exit tube to set up the pivoted flabellum in the bottom of arc overhead guard, under the wind-force condition, the flabellum is followed and is rotated, and drives and inhale fan blade and rotate in step, thereby make the flue gas in the chimney more smooth flow to flue gas exit tube department through the flue gas sleeve pipe.

Then, set up annular active carbon filter box at the top of flue gas exit tube, flue gas flows into annular active carbon filter box along with the pipeline on toper gas outlet cover top, carries out filtration treatment to the flue gas under the effect of its inside active carbon to flow along the protection network on the circular clamp plate, can effectual environmental protection.

Drawings

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

FIG. 2 is an enlarged schematic view of the invention at A;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is a schematic structural view of the U-shaped tube of the present invention after disassembly;

FIG. 5 is a schematic view of the side elevation of the flue gas outlet pipe in the present invention;

FIG. 6 is a schematic view of the interior of the annular activated carbon filter box and the flue gas outlet pipe at the bottom thereof according to the present invention;

FIG. 7 is a schematic sectional view of the interior of the flue gas outlet pipe of the present invention.

In fig. 1 to 7, the correspondence between the part names or lines and the reference numbers is:

the smoke-free and environment-friendly composite pipe comprises a smoke sleeve-1, a locking sleeve-101, a locking bolt-102, a clamping groove step structure-103, a transverse pipe-2, a vertical connecting pipe-201, a U-shaped pipe-3, a flange-4, a connecting plate-5, a lantern ring plate-6, a smoke outlet pipe-7, a top cover-701, a fire retardant net-702, a conical air outlet cover-703, a blocking net-7031, an annular activated carbon filter box-8, a circular pressing plate-801, a protective net-802, fan blades-9, a rotating shaft-901, an arc top cover-902, a rotating sleeve-903, an air suction fan blade-904 and a rib.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Please refer to fig. 1 to 7

In order to solve the problems that a large amount of smoke dust exists in the gas discharged by rural biomass combustion in the prior art without treatment, and the gas directly discharged by a chimney is easy to damage the environment, the invention provides a smoke dust cover discharged by a biomass combustion source, wherein the smoke dust is blocked by a fire blocking net, and is accumulated in a U-shaped pipe, so that the smoke dust cover is convenient to disassemble and clean, and the discharged smoke gas is treated by using active carbon in an annular active carbon filter box, and the smoke dust cover comprises: the smoke exhaust ventilator comprises a smoke sleeve 1, a locking sleeve 101, a locking bolt 102, a clamping groove step structure 103, a transverse pipe 2, a vertical connecting pipe 201, a U-shaped pipe 3, a flange 4, a connecting plate 5, a lantern ring plate 6, a smoke exhaust pipe 7, a top cover 701, a fire retardant net 702, a conical air outlet cover 703, a blocking net 7031, an annular activated carbon filter box 8, a circular pressing plate 801, a protective net 802, fan blades 9, a rotating shaft 901, an arc top cover 902, a rotating sleeve 903, an air suction fan blade 904 and a rib bar 905; the bottom end of the smoke sleeve 1 is connected with a locking sleeve 101, the outer side of the locking sleeve 101 is connected with a locking bolt 102 through threads, the top end of the smoke sleeve 1 is uniformly connected with three groups of transverse pipes 2, the tail end of each transverse pipe 2 is connected with a vertical connecting pipe 201, a U-shaped pipe 3 is respectively connected with the vertical connecting pipe 201 and a flange 4 at the bottom of a smoke outlet pipe 7 through a flange 4 at the top of the U-shaped pipe 3, the vertical connecting pipe 201 is connected with the flange 4 on the smoke outlet pipe 7 through a connecting plate 5, the flange 4 on the vertical connecting pipe 201 is also connected with a collar plate 6 on the smoke sleeve 1 through a connecting plate 5, the lower end of the inner side of the smoke outlet pipe 7 is respectively embedded with two groups of fire retarding nets 702, a suction fan blade 904 is arranged above the fire retarding nets 702, the suction fan blade 904 is arranged at the bottom end of a rotating shaft 901, and the rotating shaft 901 upwards penetrates through a, the two sets of fan blades 9 are welded on a rotating shaft 901 between the arc-shaped top cover 902 and the top cover 701, and a rotating sleeve 903 on the rotating shaft 901 between the top cover 701 and the suction fan blade 904 is connected to the inner wall of the flue gas outlet pipe 7 through a rib 905.

Wherein, the inboard lower extreme of flue gas sleeve pipe 1 is fixed and is equipped with draw-in groove stair structure 103, and is equipped with annular recess between this draw-in groove stair structure 103 and the flue gas sleeve pipe 1 inner wall, is convenient for go on spacingly between chimney and the flue gas sleeve pipe 1 with the chimney card in this annular recess, also can avoid the swing of flue gas sleeve pipe 1 on the chimney.

The inner diameter of the locking sleeve 101 is 15cm larger than the outer diameter of the flue gas sleeve 1, so that a gap can be formed between the locking sleeve 101 and the chimney, and the flue gas sleeve 1 can be conveniently fixed on the chimney by operating the locking bolt 102.

Wherein, the middle part of the vertical connecting pipe 201, the flue gas outlet pipe 7 and the flue gas sleeve 1 is welded with a collar plate 6, and the collar plates 6 are connected by a connecting plate 5, so that the stability between the flue gas outlet pipe 7, the vertical connecting pipe 201 and the flue gas sleeve 1 is improved.

Wherein, the bottom side of top cap 701 is equipped with six sets of toper venthoods 703 of annular arrangement, and in toper venthood 703 top penetrated annular active carbon filter box 8 through the pipeline, and inlay on the top end face of this pipeline and have kept off net 7031, in the flue gas of being convenient for in flue gas exit tube 7 flowed into annular active carbon filter box 8 along toper venthood 703, also can avoid the active carbon granule in annular active carbon filter box 8 to flow into in flue gas exit tube 7.

A through hole is formed in the middle of the circular pressing plate 801, and the diameter of the through hole is larger than the outer diameter of the rotating shaft 901, so that the rotating shaft 901 can conveniently penetrate through the through hole.

Wherein, the middle of the circular pressing plate 801 is provided with a protective net 802, and the structure of the protective net 802 is the same as the inner cavity structure of the annular activated carbon filter tank 8, so that the flue gas flowing into the annular activated carbon filter tank 8 flows out along the protective net 802.

Wherein, the diameter of arc top cap 902 bottom is greater than the external diameter of annular active carbon filtration case 8, and the diameter of arc top cap 902 bottom is the same with circular clamp plate 801's external diameter, can form the protection to annular active carbon filtration case 8, avoids the rainwater to flow into in the annular active carbon filtration case 8.

The specific use mode and function of the embodiment are as follows: in the invention, firstly, a smoke sleeve 1 is sleeved on a chimney, the chimney is clamped into an annular groove between a clamping groove step structure 103 and the inner wall of the smoke sleeve 1, then a locking bolt 102 is operated to fix the smoke sleeve 1 on the chimney, in use, wind power drives fan blades 9 to rotate and drives suction fan blades 904 to synchronously rotate, gas is pumped upwards, smoke in the chimney flows into three groups of transverse pipes 2 through the smoke sleeve 1 more smoothly, enters a U-shaped pipe 3 through a vertical connecting pipe 201 and flows upwards into a smoke outlet pipe 7, flame is prevented from continuously moving upwards in the smoke outlet pipe 7 under the action of a fire retardant net 702 on the inner side of the lower end of the smoke outlet pipe 7, smoke in the smoke is blocked, the smoke is accumulated in the U-shaped pipe 3, dust in the U-shaped pipe 3 can be cleaned by detaching the U-shaped pipe 3 in later period, as an annular active carbon filter box 8 is arranged at the top of the smoke outlet pipe 7, when the flue gas flows into the annular active carbon filter box 8 along with the pipeline at the top end of the conical gas outlet cover 703, the flue gas can be filtered under the action of the active carbon in the flue gas, and flows out along the protective net 802 on the circular pressing plate 801, so that the environment can be protected to a certain extent.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a biomass combustion source discharges smoke and dust cover carries out the separation to the smoke and dust through hindering the fire net to make the smoke and dust gather in U type intraductally, be convenient for dismantle the clearance, and utilize the active carbon in the annular active carbon rose box to handle the flue gas of emission, its characterized in that includes: the device comprises a flue gas sleeve (1), a locking sleeve (101), a locking bolt (102), a clamping groove step structure (103), a transverse pipe (2), a vertical connecting pipe (201), a U-shaped pipe (3), a flange (4), a connecting plate (5), a lantern ring plate (6), a flue gas outlet pipe (7), a top cover (701), a fire retardant net (702), a conical gas outlet cover (703), a blocking net (7031), an annular activated carbon filter box (8), a circular pressing plate (801), a protective net (802), fan blades (9), a rotating shaft (901), an arc top cover (902), a rotating sleeve (903), fan suction blades (904) and rib rods (905); the bottom end of the smoke sleeve (1) is connected with a locking sleeve (101), the outer side of the locking sleeve (101) is connected with a locking bolt (102) through threads, the top end of the smoke sleeve (1) is uniformly connected with three groups of transverse pipes (2), the tail end of each transverse pipe (2) is connected with a vertical connecting pipe (201), the U-shaped pipe (3) is respectively connected onto the vertical connecting pipe (201) and a flange (4) at the bottom of a smoke outlet pipe (7) through a flange (4) at the top of the U-shaped pipe (3), the vertical connecting pipe (201) is connected with the flange (4) on the smoke outlet pipe (7) through a connecting plate (5), the flange (4) on the vertical connecting pipe (201) is also connected with a lantern ring plate (6) on the smoke sleeve (1) through the connecting plate (5), the lower end of the inner side of the smoke outlet pipe (7) is respectively inlaid with two groups of fire retarding nets (702), and a suction fan blade (904), the fan blades (904) are arranged at the bottom end of the rotating shaft (901), the rotating shaft (901) upwards penetrates through a rotating sleeve (903) on the top cover (701) to be connected into the rotating sleeve (903) at the bottom of the arc-shaped top cover (902), the two groups of fan blades (9) are welded on the rotating shaft (901) between the arc-shaped top cover (902) and the top cover (701), and the rotating sleeve (903) on the rotating shaft (901) between the top cover (701) and the fan blades (904) is connected onto the inner wall of the smoke outlet pipe (7) through a rib rod (905).

2. The biomass combustion source emission flue gas hood of claim 1, wherein: the lower end of the inner side of the smoke sleeve (1) is fixedly provided with a clamping groove step structure (103), and an annular groove is formed between the clamping groove step structure (103) and the inner wall of the smoke sleeve (1).

3. The biomass combustion source emission flue gas hood of claim 1, wherein: the inner diameter of the locking sleeve (101) is 15cm larger than the outer diameter of the smoke sleeve (1).

4. The biomass combustion source emission flue gas hood of claim 1, wherein: the middle parts of the vertical connecting pipe (201), the smoke outlet pipe (7) and the smoke sleeve (1) are all welded with collar plates (6), and the collar plates (6) are connected through connecting plates (5).

5. The biomass combustion source emission flue gas hood of claim 1, wherein: six groups of conical air outlet hoods (703) which are annularly arranged are arranged on the bottom side of the top cover (701), the top ends of the conical air outlet hoods (703) penetrate into the annular active carbon filter box (8) through pipelines, and blocking nets (7031) are embedded on the top end surfaces of the pipelines.

6. The biomass combustion source emission flue gas hood of claim 1, wherein: the middle of the circular pressing plate (801) is provided with a through hole, and the diameter of the through hole is larger than the outer diameter of the rotating shaft (901).

7. The biomass combustion source emission flue gas hood of claim 1, wherein: the circular pressing plate (801) is further provided with a protective net (802), and the structure of the protective net (802) is the same as that of the inner cavity of the annular activated carbon filtering box (8).

8. The biomass combustion source emission flue gas hood of claim 1, wherein: the diameter of the bottom end of the arc-shaped top cover (902) is larger than the outer diameter of the annular activated carbon filter box (8), and the diameter of the bottom end of the arc-shaped top cover (902) is the same as the outer diameter of the circular pressing plate (801).