CN215808404U

CN215808404U - Biomass steam generating device

Info

Publication number: CN215808404U
Application number: CN202122379691.9U
Authority: CN
Inventors: 廖梦梦
Original assignee: Xishuangbanna Dai Xiansheng Agricultural Development Co ltd
Current assignee: Xishuangbanna Dai Xiansheng Agricultural Development Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-02-11
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses a biomass steam generating device which comprises a biomass combustion furnace, a motor, a rotary drum, blades, a first fan, a second fan, an ash baffle, an ash outlet, a steam generating pipe, a water inlet pipe, a steam discharge pipe, a water tank and a smoke discharge pipe. The rotating drum and the blades are matched with the first fan, so that biomass can be fully contacted and combusted with ascending combustion-supporting air, the combustion efficiency is improved, meanwhile, the second fan and the ash blocking plate are matched, part of ash is collected in the ash outlet, the cleaning is convenient, the content of solid matters in the smoke discharged by the smoke discharge pipe is reduced, and the subsequent smoke treatment difficulty is reduced; the biomass combustion furnace heats water to form steam by using the heat generated by biomass combustion, and the steam can be sent to the corn high-temperature sterilization and curing process for use.

Description

Biomass steam generating device

Technical Field

The utility model belongs to the technical field of corn processing, and particularly relates to a biomass steam generating device.

Background

The small waxy corn needs to use steam in the high temperature sterilization and ripening process, and the steam is usually obtained in a processing plant through steam generation equipment such as a boiler. Due to shortage of coal resources and rising of raw material price, biomass such as corn straws, processing waste, residues and the like can be used as alternative fuel, so that the problem of treatment of agricultural wastes is solved, raw materials can be easily obtained, and the production cost is reduced. Traditional living beings steam generation equipment has the combustion efficiency low, difficult ashes scheduling problem that burns, is not convenient for clear up cigarette ash moreover. For this reason, it is necessary to develop a biomass steam generating apparatus capable of solving the above problems.

Disclosure of Invention

The utility model aims to provide a biomass steam generating device.

The utility model aims to realize the purpose, the biomass combustion furnace comprises a biomass combustion furnace, a motor, a rotary drum, blades, a first fan, a second fan, an ash baffle, an ash outlet, a steam generating pipe, a water inlet pipe, a steam discharge pipe, a water tank and a smoke exhaust pipe, wherein a biomass charging port is arranged on the side surface of the biomass combustion furnace, a sealing door is arranged on the biomass charging port, an air inlet is arranged at the lower part of the side surface of the biomass combustion furnace, the motor is arranged at the top of the biomass combustion furnace, the rotary drum is positioned in the biomass combustion furnace, the upper end and the lower end of the rotary drum are provided with drum openings, the diameter of the upper drum opening is larger than that of the lower drum opening, a bracket is arranged at the upper end of the rotary drum, the center of the bracket is connected with the power output end of the motor through a rotating shaft, the blades are arranged on the outer wall of the rotary drum, the first fan is arranged at the upper part of the side surface of the biomass combustion furnace, the first fan is a blower, the first fan is higher than the rotary drum, and the top of the biomass combustion furnace, which is opposite to the area between the inner side wall of the rotary drum and the biomass combustion furnace is provided with the top of the biomass combustion furnace The second fan is an exhaust fan, the outer side of the second fan is connected with a smoke exhaust pipe, an ash blocking plate is vertically and fixedly arranged at the top of the inside of the biomass combustion furnace close to the rotating shaft and corresponds to the second fan, an ash outlet is formed in the bottom of the biomass combustion furnace opposite to the lower end of the rotating drum, the steam generating pipe is located in the rotating drum, the lower end of the steam generating pipe is connected with a water inlet pipe, the water inlet pipe is connected with a water tank outside the biomass combustion furnace, and the upper end of the steam generating pipe is connected with a steam discharge pipe outside the biomass combustion furnace.

The utility model has the beneficial effects that: the rotating drum and the blades are matched with the first fan, so that biomass can be fully contacted and combusted with ascending combustion-supporting air, the combustion efficiency is improved, meanwhile, the second fan and the ash blocking plate are matched, part of ash is collected in the ash outlet, the cleaning is convenient, the content of solid matters in the smoke discharged by the smoke discharge pipe is reduced, and the subsequent smoke treatment difficulty is reduced; the biomass combustion furnace heats water to form steam by using the heat generated by biomass combustion, and the steam can be sent to the corn high-temperature sterilization and curing process for use.

Drawings

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

FIG. 2 is a schematic top view of the biomass conveyor and heating coil;

in the figure: 1-biomass combustion furnace, 2-motor, 3-rotating drum, 4-blade, 5-first fan, 6-second fan, 7-ash baffle, 8-ash outlet, 9-steam generating pipe, 10-water inlet pipe, 11-steam discharge pipe, 12-water tank, 13-smoke discharge pipe, 14-biomass charging opening, 15-biomass conveyor and 16-heating coil.

Detailed Description

The utility model is further described with reference to the accompanying drawings, but the utility model is not limited in any way, and any alterations or substitutions based on the teaching of the utility model are within the scope of the utility model.

As shown in attached figures 1-2, the biomass combustion furnace comprises a biomass combustion furnace 1, a motor 2, a rotary drum 3, blades 4, a first fan 5, a second fan 6, an ash baffle 7, an ash outlet 8, a steam generating pipe 9, a water inlet pipe 10, a steam discharge pipe 11, a water tank 12 and a smoke discharge pipe 13, wherein a biomass charging port 14 is arranged on the side surface of the biomass combustion furnace 1, a sealing door is arranged on the biomass charging port 14, an air inlet is arranged on the lower part of the side surface of the biomass combustion furnace 1, the motor 2 is arranged at the top of the biomass combustion furnace 1, the rotary drum 3 is positioned in the biomass combustion furnace 1, the upper end and the lower end of the rotary drum 3 are drum mouths, the diameter of the upper drum mouth is larger than that of the lower drum mouth, a bracket is arranged at the upper end of the rotary drum 3, the center of the bracket is connected with the power output end of the motor 2 through a rotating shaft, the blades 4 are arranged on the outer wall of the rotary drum 3, the first fan 5 is arranged on the upper part of the side surface of the biomass combustion furnace 1, the biomass combustion furnace comprises a first fan 5, a rotary drum 3, a second fan 6, an exhaust fan 6, a smoke exhaust pipe 13, an ash baffle 7, an ash outlet 8, a sealing door, a steam generating pipe 9, a water inlet pipe 10, a water tank 12 and a steam discharge pipe 11, wherein the first fan 5 is a blower, the first fan 5 is higher than the rotary drum 3, the top of the biomass combustion furnace 1, opposite to the inner side wall of the rotary drum 3 and the biomass combustion furnace 1, is provided with an area opposite to the area, the ash baffle 7 is vertically and fixedly arranged at the top of the biomass combustion furnace 1, the ash baffle 7 corresponds to the second fan 6, the bottom of the biomass combustion furnace 1, opposite to the lower end of the rotary drum 3, is provided with the ash outlet 8, the bottom of the ash outlet 8 is provided with the sealing door, the steam generating pipe 9 is positioned in the rotary drum 3, the lower end of the steam generating pipe 9 is connected with the water inlet pipe 10, the water tank 12 is connected with the biomass combustion furnace 1, and the upper end of the steam discharge pipe 11 is connected with the biomass combustion furnace 1.

The side surface of the biomass combustion furnace 1 is provided with an observation window through which combustion conditions can be conveniently observed.

The motor 2 is a speed reducing motor.

The lower end of the ash baffle 7 extends into the rotary drum 3.

The steam generating pipe 9 is a coiled pipe or a spiral pipe, the normal work of the rotary drum is not influenced by the steam generating pipe 9 in the rotary drum, and meanwhile, the coiled pipe or the spiral pipe is beneficial to steam formation.

The outer side of the steam discharge pipe 11 is wrapped with a heat preservation layer, and the heat preservation layer reduces the loss of steam heat.

The water inlet pipe 10 is provided with a one-way valve and a water pump.

The smoke exhaust pipe 13 is connected with one end of a heating coil 16 below a conveying surface in the biomass conveyor 15, the other end of the heating coil 16 is connected with a flue gas purification device, and a heat reflection film is arranged at the bottom in the biomass conveyor 15; the heating coil 16 recovers the heat of the high-temperature flue gas which is beaten by the smoke exhaust pipe 13, so that the biomass conveyed on the biomass conveyor 15 is heated and dried, and the heat reflection film is beneficial to gathering the heat; the flue gas after utilizing the heat energy is sent to a flue gas purification device for purification and then is discharged.

The working principle and the working process of the utility model are as follows: biomass is added into the biomass combustion furnace 1 through the biomass feed inlet 14, the biomass is combusted in the area between the inner wall of the biomass combustion furnace 1 and the rotary drum 3 after ignition, under the action of air draft of the second fan 6, ascending combustion-supporting air is formed in the combustion area, meanwhile, the rotary drum 3 rotates continuously, the ash is stirred through the blades 4, so that the ash is raised, a stirring effect is formed on the biomass to a certain extent, and the biomass is combusted more fully; in the ash ascending process, the ash is conveyed to the ash blocking plate 7 by the airflow blown out by the second fan 6, heavier ash impurities impact on the ash blocking plate 7, then fall into the rotary drum 3 from the upper end cylinder opening of the rotary drum 3 and fall into the ash outlet 8, when the ash in the ash outlet 8 needs to be cleaned, the ash can be cleaned by opening the sealing door, and a part of ash is collected in the ash outlet 8 by the cooperation of the second fan, the ash blocking plate 7 and the rotary drum 3, so that the purification difficulty of the smoke discharged by the smoke discharge pipe 13 is reduced; the water tank 12 supplies water to the steam generating pipe 9 through the water inlet pipe 10, the water is heated to be vaporized in the steam generating pipe 9 by heat generated by biomass combustion, and the steam is discharged to the corn steam processing procedure from the steam discharge pipe 11.

Claims

1. A biomass steam generating device comprises a biomass combustion furnace (1), a motor (2), a rotary drum (3), blades (4), a first fan (5), a second fan (6), an ash baffle (7), an ash outlet (8), a steam generating pipe (9), a water inlet pipe (10), a steam discharge pipe (11), a water tank (12) and a smoke discharge pipe (13), and is characterized in that a biomass charging port (14) is arranged on the side surface of the biomass combustion furnace (1), a sealing door is arranged on the biomass charging port (14), an air inlet is arranged on the lower portion of the side surface of the biomass combustion furnace (1), the motor (2) is arranged at the top of the biomass combustion furnace (1), the rotary drum (3) is positioned in the biomass combustion furnace (1), the upper end and the lower end of the rotary drum (3) are provided with drum openings, the diameter of the upper drum opening is larger than that of the lower drum opening, a support is arranged at the upper end of the rotary drum (3), the center of the bracket is connected with the power output end of the motor (2) through a rotating shaft, the blade (4) is arranged on the outer wall of the rotating drum (3), the first fan (5) is arranged on the upper part of the side surface of the biomass combustion furnace (1), the first fan (5) is a blower, the first fan (5) is higher than the rotating drum (3), the second fan (6) is arranged at the top of the biomass combustion furnace (1) opposite to the area between the rotating drum (3) and the inner side wall of the biomass combustion furnace (1), the second fan (6) is an exhaust fan, the outer side of the second fan (6) is connected with a smoke exhaust pipe (13), an ash blocking plate (7) is vertically and fixedly arranged at the top of the biomass combustion furnace (1) close to the rotating shaft, the ash blocking plate (7) corresponds to the second fan (6), the bottom of the biomass combustion furnace (1) opposite to the lower end of the rotating drum (3) is provided with an ash outlet (8), and a steam generating pipe (9) is positioned in the rotating drum (3), the lower end of the steam generating pipe (9) is connected with a water inlet pipe (10), the water inlet pipe (10) is connected with a water tank (12) outside the biomass combustion furnace (1), and the upper end of the steam generating pipe (9) is connected with a steam discharge pipe (11) outside the biomass combustion furnace (1).

2. The biomass steam generating device according to claim 1, wherein the biomass combustion furnace (1) is provided with a viewing window at the side.

3. The biomass steam generating device according to claim 1, wherein the motor (2) is a speed reduction motor.

4. The biomass steam generating device according to claim 1, characterized in that the lower end of the ash baffle (7) extends into the rotary drum (3).

5. The biomass steam generating device according to claim 1, wherein the steam generating pipe (9) is a serpentine pipe or a spiral pipe.

6. The biomass steam generating device according to claim 1, wherein the steam discharge pipe (11) is wrapped with an insulating layer.

7. The biomass steam generating device according to claim 1, characterized in that the water inlet pipe (10) is provided with a one-way valve and a water pump.

8. The biomass steam generating device according to claim 1, characterized in that the smoke exhaust pipe (13) is connected with one end of the heating coil (16) below the conveying surface in the biomass conveyor (15), the other end of the heating coil (16) is connected with the flue gas purification device, and the bottom in the biomass conveyor (15) is provided with a heat reflection film.