Boiler for co-firing municipal solid waste and short timber for cultivating fungus

Abstract

A boiler for co-firing municipal solid waste and short timber for cultivating fungus includes a boiler chamber and fire grate, where the boiler chamber comprises a furnace, a reburning chamber and a third flue, a front arch and a rear arch are arranged on a lower portion of the furnace and located above the fire grate, and a short timber for cultivating fungus feeding device is arranged on a lower portion of a front wall of the furnace. The short timber for cultivating fungus feeding device includes a star-shaped feeding machine and a hopper, a skin expansion joint is arranged between the star-shaped feeding machine and the hopper, and an air pipe is arranged on the hopper. A layer of a plurality of boiler internal desulfurization desulfurization nozzles and two layers of a plurality of Polymer Non-Catalytic Reduction denitration nozzles are arranged in a height direction of the furnace.

Claims

1. A boiler for co-firing municipal solid waste and short timber for cultivating fungus comprising: a boiler chamber having a fire grate (1); a furnace (2); a reburning chamber (3); a third flue (4); a front arch (7) and a rear arch (8) that are arranged on a lower portion of the furnace; and a short timber feeding device (13) for cultivating fungus arranged on a lower portion of a front wall of the furnace; wherein the short timber feeding device comprises a star-shaped feeding machine (14), a hopper (16), a skin expansion joint (15) arranged between the star-shaped feeding machine and the hopper (16), and an air pipe (17) integrated with the hopper.

2. The boiler for co-firing municipal solid waste and short timber for cultivating fungus according to claim 1, wherein a layer of a plurality of boiler internal desulfurization nozzles (10) and two layers of a plurality of Polymer Non-Catalytic Reduction denitration nozzles (11) are arranged in a height direction of the furnace.

3. The boiler for co-firing municipal solid waste and short timber for cultivating fungus according to claim 2, further including a baking soda dry deacidification nozzle (12) arranged at a top of a tail flue (6).

Description

BRIEF DESCRIPTION OF THE DRAWINGS

(1) FIG. 1 is a side view of a schematic diagram of a general structure of the present disclosure;

(2) FIG. 2 is top view of the schematic diagram of a general structure of the present disclosure;

(3) FIG. 3 is a front view of the schematic diagram of the short timber for cultivating fungus feeding device in the present disclosure; and

(4) FIG. 4 is a side view of the schematic diagram of the short timber for cultivating fungus feeding device in the present disclosure.

(5) List of reference characters: 1 fire grate; 2 furnace; 3 reburning chamber; 4 third flue; 5 horizontal flue; 6 tail flue; 7 front arch; 8 rear arch; 9 multiple layers of secondary air; 10 boiler internal desulfurization nozzle; 11 Polymer Non-Catalytic Reduction denitration nozzle; 12 baking soda dry deacidification nozzle; 13 short timber for cultivating fungus feeding device; 14 star-shaped feeding machine; 15 skin expansion joint; 16 hopper; 17 air pipe; and 18 boiler chamber.

DETAILED DESCRIPTION OF THE EMBODIMENTS

(6) The present disclosure is further described below in combination with the accompanying drawings.

(7) As shown in FIG. 1 to FIG. 4, the boiler for co-firing municipal solid waste and short timber for cultivating fungus in the present embodiment includes a boiler chamber 18 and a fire grate 1. The boiler chamber 18 includes a furnace 2, a reburning chamber 3 and a third flue 4. A front arch 7 and a rear arch 8 are arranged on a lower portion of the furnace 2 and located above the fire grate 1. Multiple layers of secondary air 9 are distributed at the lower portion of a front wall of the furnace 2, the front arch 7 and the rear arch 8. An short timber for cultivating fungus feeding device 13 is arranged on a lower portion of the front wall of the furnace 2, and includes a star-shaped feeding machine 14 and a hopper 16. A skin expansion joint 15 is arranged between the star-shaped feeding machine 14 and the hopper 16, and an air pipe 17 is arranged on the hopper 16. The reburning chamber 3, the third flue 4, a horizontal flue 5 and a tail flue 6 are sequentially arranged behind the furnace 2. The boiler internal desulfurization nozzles 10 and the Polymer Non-Catalytic Reduction (PNCR) denitration nozzles 11 are arranged in a height direction of the furnace 2. A baking soda dry deacidification nozzle 12 is arranged at a top of the tail flue 6.