CN211345405U

CN211345405U - Efficient biomass combustion boiler

Info

Publication number: CN211345405U
Application number: CN201922134260.9U
Authority: CN
Inventors: 张莉; 王金刚
Original assignee: Jiuquan Yahang Shengke New Energy Technology Development Co ltd
Current assignee: Jiuquan Yahang Shengke New Energy Technology Development Co ltd
Priority date: 2019-12-03
Filing date: 2019-12-03
Publication date: 2020-08-25
Anticipated expiration: 2029-12-03

Abstract

The utility model relates to a high-efficiency biomass combustion boiler, which comprises a base, a boiler body arranged on the base, a blanking device connected with one side of the boiler body, a hearth arranged in the boiler body, a water tank fixed on the upper end of the hearth, evenly distributed water injection pipes arranged along the periphery in the boiler body, and an ignition device arranged on the bottom of the boiler body; one side of the first water tank is connected with a second water tank, a smoke exhaust pipe is arranged in the second water tank, and a furnace plate is horizontally fixed at the top end part of the second water tank; the bottom end of the water injection pipe extends out of the bottom of the hearth and is connected with a water supply pipeline; a cavity structure is arranged between the furnace plate and the first water tank and is communicated with the smoke exhaust pipe; the bottom of the hearth is provided with an ash bucket, and the adjacent sides of the hearth walls are respectively provided with a feed inlet and an observation well; the feed inlet is connected with the discharge outlet of the blanking device, and the observation well extends to the outer side of the furnace body. The utility model discloses can improve heat energy utilization efficiency, reduce the emission of high temperature flue gas, be favorable to the atmospheric environment protection.

Description

Efficient biomass combustion boiler

Technical Field

The utility model belongs to the technical field of combustion heating equipment technique and specifically relates to a high-efficient type biomass burning boiler.

Background

The biomass fuel is a novel clean fuel which is formed (such as block and particle) and can be directly combusted by taking the biomass material as the fuel and the agricultural and forestry wastes as the raw materials through the processes of crushing, mixing, extruding, drying and the like, and has the advantages of large heat productivity, high purity, low cost, no sulfur and phosphorus, no corrosion to boilers and the like. Along with the rising of biomass fuel in recent years, matched biomass combustion boilers are also produced. The combustion boiler used in the current market generally performs heat dissipation through a hearth to play a heating role, or heats a water body for heating only through a single heating mode, and the mode dissipates much heat, so that the heat energy utilization efficiency is limited to a great extent; on the other hand, because the boiler can produce high-temperature gas during operation, the prior art does not cool the high-temperature gas, increases the heat load of the environment and is not beneficial to environmental protection.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a can improve heat energy utilization efficiency, reduce the emission of high temperature flue gas, be favorable to atmospheric environment's high-efficient type biomass combustion boiler.

In order to solve the problem, a high-efficient type biomass combustion boiler, including the base, the furnace body that sets up on the base, furnace body one side is connected with unloader, the inside furnace that is provided with of furnace body, its characterized in that: a first water tank is fixed at the upper end of the hearth, and water injection pipes are uniformly distributed along the periphery in the hearth; one side of the first water tank is connected with a second water tank, at least three groups of flue gas exhaust pipes which are distributed in a zigzag shape are arranged in the second water tank, and a furnace plate is horizontally fixed at the top end part; the upper end part of the water injection pipe is communicated with the first water tank, and the bottom end of the water injection pipe extends out of the bottom of the hearth and is connected with a water supply pipeline; a cavity structure is arranged between the furnace plate and the first water tank and is communicated with the smoke exhaust pipe; the bottom of the hearth is provided with an ash bucket, and the adjacent sides of the hearth walls are respectively provided with a feed inlet and an observation well; the feed inlet with the unloader discharge gate links to each other, the observation well extends to the furnace body outside.

The bottom in the hearth is provided with an ignition device.

The water supply pipeline is connected with an external water supply pressurizing device.

The tail end of the smoke exhaust pipe extends to the outer side of the second water tank.

The tail end of the smoke exhaust pipe is connected with an external fan.

And the bottom end of one side of the second water tank is connected with an external heating pipeline.

The opening on the furnace plate is aligned with the fire outlet on the upper part of the hearth.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses owing to be provided with evenly distributed's water injection pipe along week in furnace inside, furnace combustion during operation can improve heat energy utilization efficiency with the intraductal water heating of water injection to the uniform temperature fast.

2. The utility model discloses owing to will discharge fume the pipe and set up the broken line and distribute in the water tank, carry out the secondary heating through the residual heat of flue gas to water, not only can retrieve heat energy, still have certain cooling effect to the flue gas, reduce the emission of high temperature flue gas, be favorable to atmospheric environment protection.

Drawings

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the hearth connection of the present invention;

FIG. 3 is a schematic view of the structure of the furnace chamber of the present invention;

fig. 4 is a distribution schematic diagram of the smoke exhaust pipe of the utility model.

In the figure: 1. the furnace comprises a base, 2 parts of a blanking device, 3 parts of a hearth, 301 parts of an observation well, 302 parts of a water injection pipe, 303 parts of a feeding hole, 4 parts of a first water tank, 5 parts of a cavity structure, 6 parts of a furnace disc, 7 parts of a smoke exhaust pipe, 8 parts of a second water tank, 9 parts of a furnace body, 10 parts of an ash hopper and 11 parts of a water supply pipeline.

Detailed Description

As shown in fig. 1, 2, 3 and 4, the efficient biomass combustion boiler comprises a base 1, a boiler body 9 arranged on the base 1, a blanking device 2 connected to one side of the boiler body 9, a hearth 3 arranged in the boiler body 9, a first water tank 4 fixed to the upper end of the hearth 3, water injection pipes 302 uniformly distributed along the periphery in the boiler body, and an ignition device arranged at the bottom; one side of the first water tank 4 is connected with a second water tank 8, a smoke exhaust pipe 7 is arranged in the second water tank 8, and a furnace plate 6 is horizontally fixed at the top end part; the bottom end of the water injection pipe 302 extends out of the bottom of the hearth 3 and is connected with a water supply pipeline 11; a cavity structure 5 is arranged between the furnace plate 6 and the first water tank 4, and the cavity structure 5 is communicated with a smoke exhaust pipe 7; the bottom of the hearth 3 is provided with an ash bucket 10, and the adjacent sides of the hearth wall are respectively provided with a feeding hole 303 and an observation well 301; the feed inlet 303 is connected with the discharge outlet of the blanking device 2, and the observation well 301 extends to the outer side of the furnace body 9.

When in use, the biomass fuel is fed into the hearth 3 through the blanking device 2, the biomass fuel is ignited through the ignition device in the hearth 3, meanwhile, clean water is injected into the water injection pipe 302, the first water tank 4 and the second water tank 8 through the water supply pipeline 11 by an external water supply pressurizing device, when the first water tank 4, the second water tank 8 and the external heating pipeline are filled with water, the new water injection is stopped, pressurizing the water tank to make the injected clean water circulate among the first water tank 4, the second water tank 8 and the external heating pipeline, in the circulation process of the injected water, the 3 high-temperature combustion of furnace heats water injection pipe 302 fast, makes the temperature rise to the uniform temperature in the short time, and the high-temperature gas that 3 combustions of furnace produced gets into in the cavity structure 5 and under the effect of external fan, by the suction of exhaust pipe 7 to the outside, the flue gas in the exhaust pipe 7 carries out secondary heating or keeps warm to the water in No. two water tanks 8. The heated high-temperature water enters a heating pipeline for heat exchange and heating, and the heat-exchanged water is circulated to the furnace body 9 for heating.

Claims

1. The utility model provides a high-efficient type biomass combustion boiler, includes base (1), furnace body (9) that set up on base (1), furnace body (9) one side is connected with unloader (2), and furnace body (9) inside is provided with furnace (3), its characterized in that: a first water tank (4) is fixed at the upper end of the hearth (3), and water injection pipes (302) are uniformly distributed along the periphery in the hearth; one side of the first water tank (4) is connected with a second water tank (8), at least three groups of smoke exhaust pipes (7) which are distributed in a zigzag shape are arranged in the second water tank (8), and a furnace plate (6) is horizontally fixed at the top end part; the upper end part of the water injection pipe (302) is communicated with the bottom of the first water tank (4), and the bottom end of the water injection pipe extends out of the bottom of the hearth (3) and is connected with a water supply pipeline (11); a cavity structure (5) is arranged between the furnace plate (6) and the first water tank (4), and the cavity structure (5) is communicated with the smoke exhaust pipe (7); an ash hopper (10) is arranged at the bottom of the hearth (3), and a feeding hole (303) and an observation well (301) are respectively arranged at the adjacent sides of the hearth wall; the feed inlet (303) with unloader (2) discharge gate links to each other, observation well (301) extend to the furnace body (9) outside.

2. The efficient biomass-fired boiler of claim 1, wherein: the bottom in the hearth (3) is provided with an ignition device.

3. The efficient biomass-fired boiler of claim 1, wherein: the water supply pipeline (11) is connected with an external water supply pressurizing device.

4. The efficient biomass-fired boiler of claim 1, wherein: the tail end of the smoke exhaust pipe (7) extends to the outer side of the second water tank (8).

5. The efficient biomass-fired boiler of claim 1, wherein: the tail end of the smoke exhaust pipe (7) is connected with an external fan.

6. The efficient biomass-fired boiler of claim 1, wherein: the bottom end of one side of the second water tank (8) is connected with an external heating pipeline.

7. The efficient biomass-fired boiler of claim 1, wherein: the opening on the furnace plate (6) is aligned with the fire outlet on the upper part of the hearth (3).

8. The efficient biomass-fired boiler of claim 1, wherein: and a fireproof well cover is arranged at the outer end of the observation well (301).