CN218544386U

CN218544386U - Biomass combustion power generation device

Info

Publication number: CN218544386U
Application number: CN202221851249.XU
Authority: CN
Inventors: 吴冠宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2023-02-28
Anticipated expiration: 2032-07-19

Abstract

The utility model belongs to the technical field of energy-saving and environment-friendly equipment, in particular to a biomass combustion power generation device, which comprises a steam turbine generator set, an air compressor, a first belt conveyor, a crusher, a first screw conveyor, a dryer, a second screw conveyor, a biomass combustion boiler, a third screw conveyor, a crusher, a second belt conveyor, an induced draft fan, a bag-type dust remover, a deaerator and a condenser; crushing and drying the straw bricks, then feeding the crushed and dried straw bricks into a biomass combustion boiler for combustion, and simultaneously adding straw powder into the boiler; the air compressor is communicated with the biomass combustion boiler; the steam turbine generator set is communicated with the biomass combustion boiler, a steam outlet of the steam turbine generator set is communicated with a heat exchange port of the condenser, a circulating water outlet of the condenser is communicated with the deaerator, and the deaerator is communicated with a water replenishing port of the boiler. The crushed biomass straws are dried before entering the combustion furnace, and the straw powder with the combustion-supporting effect is added into the combustion furnace, so that the biomass is combusted more fully.

Description

Biomass combustion power generation device

Technical Field

The utility model belongs to the technical field of energy-concerving and environment-protective equipment, concretely relates to biomass combustion power generation facility.

Background

Biomass combustion power generation technology has begun to be widely used, and in the existing biomass combustion power generation device, the combustion of biomass in the combustion furnace is not sufficient, so that the heat of the biomass is not sufficiently used for power generation. In a multipurpose biomass combustion power generation device disclosed in CN201520420497.2, the fuel is not dried before entering the incinerator, and combustion-supporting powder is not added into the incinerator, so that the fuel cannot be sufficiently combusted. Therefore, how to burn biomass is more fully a problem to be solved at present. Therefore, the biomass combustion power generation device capable of fully combusting is designed to effectively solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a biomass combustion power generation device that can fully burn, the device pass through the drying-machine and dry to the crushed aggregates of biomass, carry out drying process to it before the crushed aggregates of biomass straw gets into combustion furnace to the straw powder that adds the combustion-supporting effect in to the combustion furnace, and then make the burning of biomass more abundant and quick, improved generating efficiency.

The utility model adopts the technical proposal that: a biomass combustion power generation device comprises a steam turbine generator set, an air compressor, a first belt conveyor, a crusher, a first spiral conveyor, a dryer, a second spiral conveyor, a biomass combustion boiler, a third spiral conveyor, a crusher, a second belt conveyor, an induced draft fan, a bag-type dust collector, a deaerator and a condenser; the crusher conveys straw bricks through a first belt conveyor, the crusher conveys crushed straw materials to the dryer through a first spiral conveyor, a discharge port of the crusher is communicated with a feed port of the first spiral conveyor, the dryer conveys the crushed straw materials to a biomass combustion boiler through a second spiral conveyor, and a discharge port of the dryer is communicated with a feed port of the second spiral conveyor; the crusher conveys straw bricks through a second belt conveyor, the crusher conveys straw powder to the biomass combustion boiler through a third screw conveyor, and a discharge hole of the crusher is communicated with a feed hole of the third screw conveyor; the air outlet of the air compressor is communicated with the combustion chamber of the biomass combustion boiler; the steam inlet of the steam turbine generator set is communicated with the steam outlet of the biomass combustion boiler, the steam outlet of the steam turbine generator set is communicated with the heat exchange port of the condenser, the circulating water outlet of the condenser is communicated with the water inlet of the deaerator, and the water outlet of the deaerator is communicated with the water replenishing port of the biomass combustion boiler; the smoke inlet of the bag-type dust collector is communicated with the smoke outlet of the biomass combustion boiler, the smoke outlet of the bag-type dust collector is communicated with the inlet of the induced draft fan, and the outlet of the induced draft fan is communicated with the chimney.

Furthermore, the biomass combustion power generation device further comprises a gas dehumidifier, wherein a gas inlet of the gas dehumidifier is communicated with a gas outlet of the dryer, and a gas inlet of the gas dehumidifier is communicated with the air compressor.

Furthermore, the biomass combustion power generation device further comprises a slag cooler and a chain bucket type slag conveyor, a feed inlet of the slag cooler is communicated with a discharge outlet of the biomass combustion boiler, and the slag cooler conveys slag to the slag warehouse through the chain bucket type slag conveyor (18).

This neotype beneficial effect: the utility model provides a biomass burning power generation facility that can fully burn, the device passes through the drying-machine and dries the crushed aggregates of biomass, carries out drying process to it before the crushed aggregates of biomass straw gets into combustion furnace to the straw powder that adds the combustion-supporting effect in to the combustion furnace, and then make the burning of biomass more abundant and quick, improved generating efficiency.

Drawings

FIG. 1 is a schematic structural diagram of the first embodiment;

FIG. 2 is a schematic structural view of the second embodiment;

FIG. 3 is a schematic structural diagram of the third embodiment.

Detailed Description

Example one

Referring to fig. 1, a biomass combustion power generation device includes a steam turbine generator set 1, an air compressor 2, a first belt conveyor 3, a crusher 4, a first screw conveyor 5, a dryer 6, a second screw conveyor 7, a biomass combustion boiler 8, a third screw conveyor 9, a pulverizer 10, a second belt conveyor 11, an induced draft fan 12, a bag-type dust collector 13, a deaerator 14, and a condenser 15; the crusher 4 conveys straw bricks through the first belt conveyor 3, the crusher 4 conveys crushed straw materials to the dryer 6 through the first spiral conveyor 5, a discharge hole of the crusher is communicated with a feed inlet of the first spiral conveyor, the dryer 6 conveys the crushed straw materials to the biomass combustion boiler 8 through the second spiral conveyor 7, and the discharge hole of the dryer is communicated with a feed inlet of the second spiral conveyor; the crusher 10 conveys straw bricks through a second belt conveyor 11, the crusher 10 conveys straw powder to the biomass combustion boiler 8 through a third screw conveyor 9, and a discharge hole of the crusher is communicated with a feed hole of the third screw conveyor; the air outlet of the air compressor 2 is communicated with a combustion chamber of a biomass combustion boiler 8; the steam inlet of the steam turbine generator set 1 is communicated with the steam outlet of the biomass combustion boiler 8, the steam outlet of the steam turbine generator set 1 is communicated with the heat exchange port of the condenser 15, the circulating water outlet of the condenser 15 is communicated with the water inlet of the deaerator 14, and the water outlet of the deaerator 14 is communicated with the water replenishing port of the biomass combustion boiler 8; the smoke inlet of the bag-type dust collector 13 is communicated with the smoke outlet of the biomass combustion boiler 8, the smoke outlet of the bag-type dust collector 13 is communicated with the inlet of the induced draft fan 12, and the outlet of the induced draft fan 12 is communicated with the chimney.

Taking the biomass combustion power generation using the straw brick as an example, the straw brick is fed into the crusher through the first belt conveyor and crushed into crushed materials (if the straw brick is pressed by crushed straw, the crushed materials also need to be crushed and then combusted). The crushed straw materials are dried in the dryer through the first spiral conveyor, and the dried crushed straw materials are combusted in the biomass combustion boiler through the second spiral conveyor. When carrying the crushed straw material in to the combustion furnace, carry the straw brick in to rubbing crusher through second belt conveyor, the rubbing crusher smashes into the straw brick and adds into in the biomass combustion boiler through third screw conveyer after the straw powder with the straw brick and burns with the crushed straw material together, and the straw powder has played combustion-supporting effect. The ratio of the straw powder to the straw crushed material is 1:5-1, namely, the fuel for crushing 5-10 straw bricks needs to crush 1 straw brick as combustion-supporting powder. Air enters the biomass combustion boiler through the air compressor to support combustion, the steam turbine generator set realizes power generation through high-temperature steam generated by the biomass combustion boiler, waste heat steam of the steam turbine generator set exchanges heat with circulating water of the condenser, and the heated circulating water is deaerated to supplement water for the biomass combustion boiler. And after dust of flue gas generated by the biomass combustion boiler is removed by the bag-type dust remover, the flue gas is discharged from a chimney under the action of the induced draft fan.

Example two

Referring to fig. 2, on the basis of the technical solution of the first embodiment, the biomass combustion power generation device further includes a gas dehumidifier 16, an air inlet of the gas dehumidifier 16 is communicated with an air outlet of the dryer 6, and an air inlet of the gas dehumidifier 16 is communicated with the air compressor 2. High-temperature moisture generated by the dryer is dehumidified by the dehumidifier and then is sent into the biomass combustion boiler by the air compressor for combustion supporting, and hot air is sent into the combustion boiler to effectively improve the combustion supporting effect.

Example three.

Referring to fig. 3, on the basis of the second technical solution of the embodiment, the biomass combustion power generation device further includes a slag cooler 17 and a chain bucket type slag conveyor 18, a feed inlet of the slag cooler 17 is communicated with a discharge outlet of the biomass combustion boiler 8, and the slag cooler 17 conveys slag to a slag storage 19 through the chain bucket type slag conveyor 18. Slag generated by the biomass combustion boiler is cooled by the slag cooler and then is conveyed to the slag warehouse by the bucket chain type slag conveyor for storage.

The biomass combustion power generation device is formed by combining the existing forming equipment and belongs to a typical combination invention, and a steam turbine generator set, an air compressor, a first belt conveyor, a crusher, a first screw conveyor, a dryer, a second screw conveyor, a biomass combustion boiler, a third screw conveyor, a crusher, a second belt conveyor, an induced draft fan, a bag-type dust remover, a deaerator, a condenser, a gas dehumidifier, a slag cooler and a bucket chain type slag conveyor of the power generation device belong to the prior art. For example, the steam turbine generator set can be preferably a generator set produced by Shandong Sangjie energy-saving limited company, and the biomass combustion boiler can be preferably a combustion boiler produced by Shandong Unionrichness environmental protection technology limited company.

Claims

1. A biomass combustion power generation device is characterized in that: the biomass combustion power generation device comprises a steam turbine generator set (1), an air compressor (2), a first belt conveyor (3), a crusher (4), a first spiral conveyor (5), a dryer (6), a second spiral conveyor (7), a biomass combustion boiler (8), a third spiral conveyor (9), a crusher (10), a second belt conveyor (11), an induced draft fan (12), a bag-type dust collector (13), a deaerator (14) and a condenser (15); the crusher (4) conveys straw bricks through a first belt conveyor (3), the crusher (4) conveys crushed straw materials to the dryer (6) through a first screw conveyor (5), and the dryer (6) conveys the crushed straw materials to the biomass combustion boiler (8) through a second screw conveyor (7); the pulverizer (10) conveys straw bricks through a second belt conveyor (11), the pulverizer (10) conveys straw powder to the biomass combustion boiler (8) through a third screw conveyor (9), and a discharge hole of the pulverizer is communicated with a feed hole of the third screw conveyor; the air outlet of the air compressor (2) is communicated with a combustion chamber of a biomass combustion boiler (8); a steam inlet of the steam turbine generator set (1) is communicated with a steam outlet of the biomass combustion boiler (8), a steam outlet of the steam turbine generator set (1) is communicated with a heat exchange port of a condenser (15), a circulating water outlet of the condenser (15) is communicated with a water inlet of a deaerator (14), and a water outlet of the deaerator (14) is communicated with a water replenishing port of the biomass combustion boiler (8); the smoke inlet of the bag-type dust collector (13) is communicated with the smoke outlet of the biomass combustion boiler (8), the smoke outlet of the bag-type dust collector (13) is communicated with the inlet of the induced draft fan (12), and the outlet of the induced draft fan (12) is communicated with the chimney.

2. The biomass combustion power generation device of claim 1, wherein: the biomass combustion power generation device further comprises a gas dehumidifier (16), wherein a gas inlet of the gas dehumidifier (16) is communicated with a gas outlet of the dryer (6), and a gas inlet of the gas dehumidifier (16) is communicated with the air compressor (2).

3. A biomass-fired power plant according to claim 2, wherein: the biomass combustion power generation device further comprises a slag cooler (17) and a chain bucket type slag conveyor (18), a feed inlet of the slag cooler (17) is communicated with a discharge outlet of the biomass combustion boiler (8), and the slag cooler (17) conveys slag to a slag warehouse (19) through the chain bucket type slag conveyor (18).