CN211424445U - Biomass boiler ventilation system - Google Patents

Biomass boiler ventilation system Download PDF

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Publication number
CN211424445U
CN211424445U CN201921877921.0U CN201921877921U CN211424445U CN 211424445 U CN211424445 U CN 211424445U CN 201921877921 U CN201921877921 U CN 201921877921U CN 211424445 U CN211424445 U CN 211424445U
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air
hearth
return
blower
fixed
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CN201921877921.0U
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樊国峰
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Harbin Youhuan Technology Equipment Co., Ltd
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樊国峰
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The utility model discloses a biomass boiler ventilation system, which comprises a boiler, a hearth, a chimney, an air distribution mechanism, an air blower, an air inlet pipe, a return air mechanism, an electric control cabinet and a feeding port, wherein the draught fan conveys high-temperature flue gas in the chimney to the feeding port and an air outlet of the air blower through the return air pipe by setting the return air mechanism, and the flue gas waste heat is utilized to preheat feeding and inlet air, thereby improving the utilization efficiency of the high-temperature flue gas waste heat and achieving the purposes of energy conservation and consumption reduction; the air distribution mechanism is arranged, the air blower conveys preheated air into the hearth, and the ventilation opening distributes the air entering the hearth, so that the inlet air is uniformly distributed in the hearth, and the phenomenon of partial burning is avoided; through setting up air-supply line and filter screen, set up the dust screen in the inboard of air-supply line, filter the air that gets into the air-supply line, avoid impurity such as dust to get into the inside of air-blower, set up the filter screen in the inside of return air hose, impurity in the filtration entering return air hose flue gas avoids impurity to get into the inside of draught fan.

Description

Biomass boiler ventilation system
Technical Field
The utility model relates to a biomass boiler technical field specifically is a biomass boiler ventilation system.
Background
At present, the domestic heating in China generally adopts a large boiler for central heating, the boiler mainly uses coal as fuel, a large amount of waste gas is generated by the combustion of the coal, the environmental pollution caused by the waste gas is very serious, in addition, the central heating is only suitable for medium and large cities, and for remote rural areas, the boiler also uses energy sources such as electric power, coal and the like as the domestic heating, because the rural areas have good biomass resource conditions, and the utilization of agriculture and forestry residues as the boiler fuel has the characteristics of environmental friendliness and regeneration, has positive significance for saving conventional energy sources, optimizing energy structures in China and reducing the environmental pollution, the existing biomass boiler can not effectively utilize the waste heat of flue gas as inlet air and feeding for preheating, the waste heat utilization efficiency is reduced, an air inlet pipe lacks an air distribution mechanism, the inlet air is unevenly distributed in a hearth, the phenomenon of partial combustion is easy to occur, and the biomass combustion, lack the air inlet filtering mechanism, impurity gets into in air-blower and the induced draft fan, reduces the life of air-blower and induced draft fan.
To this end, a biomass boiler ventilation system is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a biomass boiler ventilation system, the return air mechanism that sets up, the draught fan circular telegram is operated, carry the high temperature flue gas in the chimney to the pay-off mouth and the air outlet of air-blower through the return air pipe, utilize the flue gas waste heat to preheat feeding and admit air, improve the utilization efficiency of high temperature flue gas waste heat, reach energy saving and consumption reduction's purpose, the air distribution mechanism that sets up, the air-blower circular telegram is operated, carry the air that preheats in the furnace, the vent shunts the air that gets into in the furnace when dividing the aerofoil, make the air inlet distribute evenly in the furnace, avoid appearing the phenomenon of burning partially, improve the burning quality of living beings, air-supply line and the filter screen that set up, set up the dust screen in the inboard of air-supply line, filter the air that gets into the air-supply line, avoid impurity such as dust, the filter screen is arranged in the return air pipe, impurities in flue gas in the return air pipe are filtered, the impurities are prevented from entering the draught fan, and the draught fan is prevented from being damaged, so that the problem in the background art is solved.
In order to achieve the above object, the utility model provides a following technical scheme: a biomass boiler ventilation system comprises a boiler, a hearth, a chimney, an air distribution mechanism, a blower, an air inlet pipe, an air return mechanism, an electric control cabinet and a feeding port, wherein the hearth is welded below the boiler; the chimney is welded in the middle above the boiler; the electric control cabinet is fixed on the front side of the hearth through bolts; the air blower is fixed on the right side of the hearth through bolts, and an air outlet of the air blower is connected with the right side of the hearth through a pipeline; the air inlet pipe is fixed at the air inlet pipe of the air blower through a bolt; the feeding port is fixed on the left side of the hearth through a bolt; the air distribution mechanism is fixed on the right side inside the hearth through bolts; the air return mechanism adopts two, and the upper end of air return mechanism passes through the bolt fastening in the left and right sides of chimney, and the lower extreme of this air return mechanism passes through the bolt fastening in the top of pay-off mouth and air-blower air outlet.
Preferably, the upper part of the chimney is connected with the purification mechanism through a pipeline; the blower is connected with the electric control cabinet through a wire, and the blower is of an HF-150P type; a dust screen is arranged on the inner side of the air inlet pipe; the electric control cabinet is connected with commercial power through a wire; the feeding port is connected with the feeding mechanism.
Preferably, the air distribution mechanism comprises an air distribution plate, a ventilation opening and a reinforcing plate, and the air distribution plate is fixed on the right side inside the hearth through bolts; the air outlets are uniformly arranged on the air distribution plate; the reinforcing plates are multiple and welded at the outer sides and the middle positions of the air distribution plates.
Preferably, the air return mechanism comprises two air return pipes, an induced draft fan and a filter screen, the upper ends of the air return pipes are fixed on the left side and the right side of the chimney through bolts, and the lower ends of the air return pipes are fixed above the feeding port and the air outlet of the air blower through bolts; the filter screen is fixed above the inside of the return air pipe through bolts; the draught fans are two in number and are fixed on the return air pipe through bolts.
Preferably, the outer side of the air return pipe is provided with heat insulation cotton; the induced draft fan is connected with the electric control cabinet through a wire, and is of an SF2-4 type; the aperture of the filter screen is 30-100 μm.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses, through setting up the return air mechanism, the draught fan circular telegram is moved, carries the high temperature flue gas in the chimney to the air outlet of pay-off mouth and air-blower through the return air pipe, utilizes the flue gas waste heat to preheat feeding and admitting air, improves the utilization efficiency of high temperature flue gas waste heat, reaches energy saving and consumption reduction's purpose;
2. the utility model discloses, through setting up the air distribution mechanism, the air-blower circular telegram is moved, carries the air that preheats in the furnace, and the vent shunts the air that gets into in the furnace when dividing the aerofoil, makes the air inlet distribute evenly in the furnace, avoids appearing the phenomenon of burning partially, improves the burning quality of living beings;
3. the utility model discloses, through setting up air-supply line and filter screen, set up the dust screen in the inboard of air-supply line, filter the air that gets into the air-supply line, avoid impurity such as dust to get into the inside of air-blower, improve the life of air-blower, set up the filter screen in the inside of return air duct, impurity in the filtration gets into the interior flue gas of return air duct avoids impurity to get into the inside of draught fan, prevents to cause the damage to the draught fan.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the air distributing mechanism of the present invention;
fig. 3 is a schematic structural diagram of the air return mechanism of the present invention.
In the figure: 1. a boiler; 2. a hearth; 3. a chimney; 4. a wind distributing mechanism; 41. a wind distribution plate; 42. a vent; 43. a reinforcing plate; 5. a blower; 6. an air inlet pipe; 7. an air return mechanism; 71. a return air duct; 72. an induced draft fan; 73. filtering with a screen; 8. an electric control cabinet; 9. a feeding port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a biomass boiler ventilation system is shown in figure 1 and comprises a boiler 1, a hearth 2, a chimney 3, an air distribution mechanism 4, an air blower 5, an air inlet pipe 6, an air return mechanism 7, an electric control cabinet 8 and a feeding port 9, wherein the hearth 2 is welded below the boiler 1; the chimney 3 is welded at the middle position above the boiler 1; the electric control cabinet 8 is fixed on the front side of the hearth 2 through bolts; the air blower 5 is fixed on the right side of the hearth 2 through bolts, and an air outlet of the air blower 5 is connected with the right side of the hearth 2 through a pipeline; the air inlet pipe 6 is fixed at the air inlet pipe of the air blower 5 through bolts; the feeding port 9 is fixed on the left side of the hearth 2 through a bolt; the air distribution mechanism 4 is fixed on the right side inside the hearth 2 through bolts; the two air return mechanisms 7 are adopted, the upper ends of the air return mechanisms 7 are fixed on the left side and the right side of the chimney 3 through bolts, and the lower ends of the air return mechanisms 7 are fixed above the feeding port 9 and the air outlet of the air blower 5 through bolts.
Specifically, as shown in fig. 1, the upper part of the chimney 3 is connected with the purification mechanism through a pipeline; the blower 5 is connected with the electric control cabinet 8 through a wire, and the blower 5 is of an HF-150P type; a dust screen is arranged on the inner side of the air inlet pipe 6; the electric control cabinet 8 is connected with commercial power through a wire; the feeding port 9 is connected with a feeding mechanism.
Through adopting above-mentioned technical scheme, automatically controlled cabinet 8 switch-on commercial power is for power supplies such as air-blower 5, draught fan 72, and 5 circular telegram operations of air-blower are furnace 2 delivery air, set up the dust screen in the inboard of air-supply line 6, filter the air that gets into air-supply line 6, avoid impurity such as dust to get into the inside of air-blower 5, improve the life of air-blower 5.
Specifically, as shown in fig. 2, the air distribution mechanism 4 includes an air distribution plate 41, a vent 42 and a reinforcing plate 43, and the air distribution plate 41 is fixed on the right side inside the furnace 2 by bolts; a plurality of ventilation openings 42 are adopted, and the ventilation openings 42 are uniformly formed in the air distribution plate 41; the reinforcing plate 43 is provided in plurality, and the reinforcing plate 43 is welded to the outer side and the middle position of the air distribution plate 41.
Through adopting above-mentioned technical scheme, 5 circular telegrams of air-blower are moved, carry furnace 2 with the air that preheats in, and vent 42 shunts the air that gets into in furnace 2 when dividing aerofoil 41, makes the air inlet distribute evenly in furnace 2, avoids appearing the phenomenon of burning partially, improves the burning quality of living beings.
Specifically, as shown in fig. 3, the air return mechanism 7 includes two air return pipes 71, an induced draft fan 72 and a filter screen 73, the upper ends of the air return pipes 71 are fixed to the left and right sides of the chimney 3 by bolts, and the lower ends of the air return pipes 71 are fixed above the feeding port 9 and the air outlet of the blower 5 by bolts; the filter screen 73 is fixed above the inside of the return air duct 71 through bolts; the number of the induced draft fans 72 is two, and the induced draft fans 72 are fixed on the return air duct 71 through bolts.
By adopting the technical scheme, the induced draft fan 72 is electrified to operate, high-temperature flue gas in the chimney 3 is conveyed to the feeding port 9 and the air outlet of the air blower 5 through the air return pipe 71, the flue gas waste heat is utilized to preheat feeding and air inflow, the utilization efficiency of the high-temperature flue gas waste heat is improved, and the purposes of energy conservation and consumption reduction are achieved.
Specifically, as shown in fig. 3, heat insulation cotton is arranged outside the return air pipe 71; the induced draft fan 72 is connected with the electric control cabinet 8 through a wire, and the induced draft fan 72 is of an SF2-4 type; the aperture of the filter screen 73 is 30-100 μm.
Through adopting above-mentioned technical scheme, set up filter screen 73 in the inside of return air pipe 71, impurity in the flue gas in the filtering entering return air pipe 71 avoids impurity to get into the inside of draught fan 72, prevents to cause the damage to draught fan 72.
The working principle is as follows: the electric control cabinet 8 is connected with commercial power to supply power, the draught fan 72 is electrified to operate, high-temperature flue gas in the chimney 3 is conveyed to the feeding port 9 and the air outlet of the air blower 5 through the return air pipe 71, the flue gas waste heat is utilized to preheat feeding and inlet air, the utilization efficiency of the high-temperature flue gas waste heat is improved, the purposes of energy saving and consumption reduction are achieved, the filter screen 73 is arranged inside the return air pipe 71 to filter impurities in the flue gas entering the return air pipe 71, the impurities are prevented from entering the draught fan 72 and damaging the draught fan 72, the dust screen is arranged on the inner side of the air inlet pipe 6 to filter the air entering the air inlet pipe 6, the impurities such as dust and the like are prevented from entering the air blower 5, the service life of the air blower 5 is prolonged, the air blower 5 is electrified to operate, the preheated air is conveyed into the hearth 2, and the air entering the, the air inlet is uniformly distributed in the hearth 2, the phenomenon of partial combustion is avoided, and the combustion quality of the biomass is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. A biomass boiler ventilation system which is characterized in that: the device comprises a boiler (1), a hearth (2), a chimney (3), an air distribution mechanism (4), an air blower (5), an air inlet pipe (6), an air return mechanism (7), an electric control cabinet (8) and a feeding port (9), wherein the hearth (2) is welded below the boiler (1); the chimney (3) is welded in the middle position above the boiler (1); the electric control cabinet (8) is fixed on the front side of the hearth (2) through bolts; the air blower (5) is fixed on the right side of the hearth (2) through bolts, and an air outlet of the air blower (5) is connected with the right side of the hearth (2) through a pipeline; the air inlet pipe (6) is fixed at the air inlet pipe of the air blower (5) through a bolt; the feeding port (9) is fixed on the left side of the hearth (2) through a bolt; the air distribution mechanism (4) is fixed on the right side inside the hearth (2) through bolts; the two air return mechanisms (7) are adopted, the upper ends of the air return mechanisms (7) are fixed on the left side and the right side of the chimney (3) through bolts, and the lower ends of the air return mechanisms (7) are fixed above the air outlets of the feeding port (9) and the air blower (5) through bolts.
2. The biomass boiler ventilation system according to claim 1, wherein: the upper part of the chimney (3) is connected with the purification mechanism through a pipeline; the air blower (5) is connected with the electric control cabinet (8) through a wire; a dust screen is arranged on the inner side of the air inlet pipe (6); the electric control cabinet (8) is connected with commercial power through a wire; the feeding port (9) is connected with the feeding mechanism.
3. The biomass boiler ventilation system according to claim 1, wherein: the air distribution mechanism (4) comprises an air distribution plate (41), a ventilation opening (42) and a reinforcing plate (43), and the air distribution plate (41) is fixed on the right side inside the hearth (2) through bolts; the ventilation openings (42) are multiple, and the ventilation openings (42) are uniformly formed in the air distribution plate (41); the number of the reinforcing plates (43) is multiple, and the reinforcing plates (43) are welded on the outer side and the middle position of the air distribution plate (41).
4. The biomass boiler ventilation system according to claim 1, wherein: the air return mechanism (7) comprises two air return pipes (71), an induced draft fan (72) and a filter screen (73), the upper ends of the air return pipes (71) are fixed on the left side and the right side of the chimney (3) through bolts, and the lower ends of the air return pipes (71) are fixed above the air outlets of the feeding port (9) and the blower (5) through bolts; the filter screen (73) is fixed above the interior of the return air pipe (71) through bolts; the number of the induced draft fans (72) is two, and the induced draft fans (72) are fixed on the return air pipe (71) through bolts.
5. The biomass boiler ventilation system according to claim 4, wherein: the outer side of the air return pipe (71) is provided with heat insulation cotton; the induced draft fan (72) is connected with the electric control cabinet (8) through a wire; the aperture of the filter screen (73) is 30-100 μm.
CN201921877921.0U 2019-11-04 2019-11-04 Biomass boiler ventilation system Active CN211424445U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921877921.0U CN211424445U (en) 2019-11-04 2019-11-04 Biomass boiler ventilation system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921877921.0U CN211424445U (en) 2019-11-04 2019-11-04 Biomass boiler ventilation system

Publications (1)

Publication Number Publication Date
CN211424445U true CN211424445U (en) 2020-09-04

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ID=72254021

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921877921.0U Active CN211424445U (en) 2019-11-04 2019-11-04 Biomass boiler ventilation system

Country Status (1)

Country Link
CN (1) CN211424445U (en)

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Effective date of registration: 20201021

Address after: Room 101, 1 / F, office building, Limin Development Zone, Harbin, Heilongjiang Province

Patentee after: Harbin Youhuan Technology Equipment Co., Ltd

Address before: No.01 Xinjian Road, group 3, Changcun, Shuitou Town, Xiaxian County, Yuncheng City, Shanxi Province 044400

Patentee before: Fan Guofeng