CN222317025U

CN222317025U - Energy-saving coal-fired boiler

Info

Publication number: CN222317025U
Application number: CN202421099529.9U
Authority: CN
Inventors: 高媛; 刘宽
Original assignee: Jinan Enterprise Technology Progress Promotion Center
Current assignee: Jinan Enterprise Technology Progress Promotion Center
Priority date: 2024-05-20
Filing date: 2024-05-20
Publication date: 2025-01-07
Anticipated expiration: 2034-05-20

Abstract

The utility model provides an energy-saving coal-fired boiler, and mainly relates to the field of coal-fired boilers. The utility model provides an energy-conserving coal fired boiler, includes the furnace body, and the furnace body inner wall is close to the fixed burning frame that sets up in bottom, and burning frame top interval sets up burning bin, burning bin and furnace body inner wall fixed connection are provided with the sump between burning bin and the furnace body inner wall, and the fixed tobacco pipe that is provided with on the burning bin is discharged, and the furnace body outer lane is fixed to be set up the hopper, and the impeller is connected in the furnace body outer lane rotation, rotates on the burning frame to connect the stirring frame, and the activity of furnace body bottom is provided with the sediment ash bin. The utility model has the beneficial effects that the water in the water sump is stirred by the rotating impeller, the water in the water sump is subjected to heat exchange by the high-temperature flue gas generated after burning, the heat utilization effect is further improved, coal is stirred by the stirring frame, the condition of insufficient combustion caused by coal accumulation on the combustion frame is avoided, and meanwhile, slag and ash after burning can be separated, and the splashing of furnace ash is avoided.

Description

Energy-saving coal-fired boiler

Technical Field

The utility model mainly relates to the technical field of coal-fired boilers, in particular to an energy-saving coal-fired boiler.

Background

The coal-fired boiler is a boiler with coal as fuel, and is a thermal energy power device for burning coal in a hearth to release heat and heating heat medium water or other organic heat carriers to a certain temperature. In the use of a general boiler, combustion coal is directly poured into the boiler, the phenomenon that combustion is insufficient easily occurs due to accumulation of the internal coal, waste is easily caused to occur to the coal, and meanwhile, the existing coal-fired boiler does not separate the coal and the furnace ash, so that the coal can fall into the furnace ash in the combustion process, the combustion efficiency of the coal is influenced, the furnace ash can be splashed due to the fact that the coal directly falls into the furnace ash, the dust content in discharged gas is rapidly increased, and the subsequent purification treatment is influenced.

Disclosure of utility model

The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:

The utility model provides an energy-conserving coal fired boiler, includes the furnace body, the furnace body inner wall is close to the fixed burning frame that sets up in bottom, burning frame top interval sets up the combustion chamber, combustion chamber and furnace body inner wall fixed connection, be provided with the sump between combustion chamber and the furnace body inner wall, fixedly on the combustion chamber be provided with the exhaust pipe, the furnace body outer lane is close to the fixed hopper that sets up in burning frame top position, the impeller is connected in the furnace body outer lane rotation, rotate on the burning frame and connect the stirring frame, the activity of furnace body bottom is provided with the ash box, the furnace body bottom is provided with the ash discharge mouth, the ash box is located the ash discharge mouth bottom.

The furnace body outer ring is fixedly provided with a first driving motor, the first driving motor is in transmission connection with the impeller, and the impeller is positioned in the water sump.

The stirring frame bottom is fixed to be provided with the heat exchanger, furnace body bottom center is provided with the ladder groove, the inside fixed second driving motor that sets up of ladder groove, second driving motor output and heat exchanger fixed connection, heat exchanger and ladder groove butt, the fixed scraper blade that sets up of heat exchanger outer lane, scraper blade bottom and furnace body bottom butt.

The furnace body is fixedly provided with a water inlet pipe and a water outlet pipe, and the water inlet pipe and the water outlet pipe are communicated with the inside of the water bin.

The furnace body is close to the top of the combustion frame and provided with a feed inlet, the feed inlet is communicated with the hopper, and the furnace body is close to the top of the combustion frame and fixedly provided with an air inlet pipe.

Compared with the prior art, the utility model has the beneficial effects that:

The utility model has simple structure and convenient installation and use, agitates the water in the water sump by the rotating impeller, enlarges the heated area, ensures uniform heating during heating, improves the heating effect, exchanges heat with the water in the water sump by the high-temperature flue gas generated after burning, further improves the heat utilization effect, agitates the coal by the agitating rack, avoids the condition of insufficient combustion caused by coal accumulation on the combustion rack, improves the contact area of the gas and the combustion coal, improves the combustion efficiency of the coal-fired boiler, and can separate the slag and ash after combustion and avoid the splashing of the furnace ash.

Drawings

FIG. 1 is a schematic view of a first view angle structure of the present utility model;

FIG. 2 is a schematic diagram of the internal structure of the present utility model;

FIG. 3 is a schematic view of a second view angle structure of the present utility model;

FIG. 4 is a schematic view of the structure of the stirring frame of the utility model;

FIG. 5 is a schematic illustration of the present utility model the structure of the smoke exhaust pipe is schematically shown.

The drawing shows that the number is 1, the furnace body, 2, the combustion frame, 3, the combustion bin, 4, the water bin, 5, the smoke exhaust pipe, 6, the hopper, 7, the impeller, 8, the stirring frame, 9, the slag ash box, 10, the first driving motor, 11, the heat shield, 12, the second driving motor, 13, the scraping plate, 14, the water inlet pipe, 15, the water outlet pipe, 16 and the air inlet pipe.

Detailed Description

The utility model will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.

The utility model provides an energy-conserving coal-fired boiler, includes furnace body 1, furnace body 1 inner wall is close to the fixed burning frame 2 that sets up in bottom, burning frame 2 is net metal grid board, burning frame 2 top interval sets up burning bin 3, burning bin 3 and furnace body 1 inner wall fixed connection, be provided with sump 4 between burning bin 3 and the furnace body 1 inner wall, the fixed tobacco pipe 5 that is provided with on the burning bin 3, it is inside that tobacco pipe 5 is located sump 4 to discharge, the tobacco pipe 5 other end passes furnace body 1 lateral wall, makes the high temperature flue gas that produces after the coal burning carry out heat exchange to the water in sump 4 through this structural design, furnace body 1 outer lane is close to burning frame 2 top fixed setting hopper 6, furnace body 1 outer lane rotates to connect impeller 7, rotate on the burning frame 2 and connect stirring frame 8, furnace body 1 bottom activity is provided with ash bin 9, furnace body 1 bottom is provided with the exhaust mouth, ash bin 9 is located ash bin bottom.

The first driving motor 10 is fixedly arranged on the outer ring of the furnace body 1, the first driving motor 10 is in transmission connection with the impeller 7, the impeller 7 is positioned inside the water sump 4, and water inside the water sump 4 has fluxion during heating through the structural design, so that uniform heating is facilitated.

The stirring frame 8 bottom is fixed to be set up heat exchanger 11, heat exchanger 11 is high temperature resistant thermal insulation material, stirring frame 8 is high temperature resistant material, furnace body 1 bottom center is provided with the ladder groove, the inside fixed second driving motor 12 that sets up of ladder groove, second driving motor 12 output and heat exchanger 11 fixed connection, heat exchanger 11 and ladder groove butt, the fixed scraper blade 13 that sets up in heat exchanger 11 outer lane, scraper blade 13 bottom and furnace body 1 bottom butt, stir the coal on the burning frame 2 through this structural design and make coal can even abundant burning, be favorable to simultaneously falling down the ashes after the burning, gather ashes in the sediment ash box 9 through scraper blade 13.

The furnace body 1 is fixedly provided with a water inlet pipe 14 and a water outlet pipe 15, and the water inlet pipe 14 and the water outlet pipe 15 are communicated with the inside of the water bin 4.

The furnace body 1 is close to the feed inlet of having offered in combustion frame 2 top position, feed inlet and hopper 6 intercommunication, furnace body 1 is close to combustion frame 2 top position fixed setting air-supply line 16, the fixed air-blower that sets up of air-supply line 16 other end is sent into combustion storehouse 3 with external wind through this structural design, increases the inside oxygen content in combustion storehouse 3 for coal burning more abundant.

When the device is used, water is added into the water bin 4 through the water inlet pipe 14, coal is added into the hopper 6, the coal falls onto the combustion frame 2 through the feed inlet, an external blower is started to enable external air to enter the combustion bin 3 through the air inlet pipe 16, the oxygen content in the combustion bin 3 is improved, coal is combusted more fully, the first driving motor 10 is started to drive the impeller 7 to rotate, the water in the water bin 4 is stirred, the water is heated uniformly, the second driving motor 12 is started to drive the stirring frame 8 and the scraping plate 13 to rotate, the stirring frame 8 stirs the coal at the top of the combustion frame 2, so that the coal is combusted uniformly, slag ash after combustion falls onto the bottom of the furnace body 1 after stirring, and the rotating scraping plate 13 collects the slag ash into the slag ash box 9.

It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present invention, and not for limiting the same, and although the present invention has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiments of the present invention.

Claims

1. An energy-saving coal-fired boiler comprises a boiler body (1) and is characterized in that a combustion frame (2) is fixedly arranged on the inner wall of the boiler body (1) close to the bottom, combustion bins (3) are arranged at the top of the combustion frame (2) at intervals, the combustion bins (3) are fixedly connected with the inner wall of the boiler body (1), water bins (4) are arranged between the combustion bins (3) and the inner wall of the boiler body (1), smoke exhaust pipes (5) are fixedly arranged on the combustion bins (3), hoppers (6) are fixedly arranged on the outer rings of the boiler body (1) close to the top of the combustion frame (2), impellers (7) are rotatably connected to the outer rings of the boiler body (1), stirring frames (8) are rotatably connected to the combustion frame (2), ash boxes (9) are movably arranged at the bottom of the boiler body (1), ash outlets are arranged at the bottom of the boiler body (1), and the ash boxes (9) are arranged at the bottoms of the ash outlets.

2. The energy-saving coal-fired boiler of claim 1, wherein a first driving motor (10) is fixedly arranged on the outer ring of the boiler body (1), the first driving motor (10) is in transmission connection with an impeller (7), and the impeller (7) is positioned in a water bin (4).

3. The energy-saving coal-fired boiler of claim 1, wherein a heat shield (11) is fixedly arranged at the bottom of the stirring frame (8), a stepped groove is formed in the center of the bottom of the boiler body (1), a second driving motor (12) is fixedly arranged in the stepped groove, the output end of the second driving motor (12) is fixedly connected with the heat shield (11), the heat shield (11) is abutted with the stepped groove, a scraping plate (13) is fixedly arranged on the outer ring of the heat shield (11), and the bottom of the scraping plate (13) is abutted with the bottom of the boiler body (1).

4. The energy-saving coal-fired boiler of claim 1, wherein the boiler body (1) is fixedly provided with a water inlet pipe (14) and a water outlet pipe (15), and the water inlet pipe (14) and the water outlet pipe (15) are communicated with the inside of the water bin (4).

5. The energy-saving coal-fired boiler of claim 1, wherein a feed inlet is formed in the position, close to the top of the combustion frame (2), of the boiler body (1), the feed inlet is communicated with the hopper (6), and an air inlet pipe (16) is fixedly arranged in the position, close to the top of the combustion frame (2), of the boiler body (1).