CN211600703U

CN211600703U - Novel garbage incinerator for garbage power generation

Info

Publication number: CN211600703U
Application number: CN202020188137.5U
Authority: CN
Inventors: 骆毅力; 骆的; 陈定中; 曹斌; 廖永笙
Original assignee: Heinuoer Yibin Environmental Protection Power Co ltd
Current assignee: Heinuoer Yibin Environmental Protection Power Co ltd
Priority date: 2020-02-20
Filing date: 2020-02-20
Publication date: 2020-09-29
Anticipated expiration: 2030-02-20

Abstract

The utility model discloses a novel a waste incinerator for garbage power, the steam outlet end department of boiler (3) is connected with main steam conduit (6), the other end of main steam conduit (6) and the steam inlet end of turbo generator set (7) are through flange joint, the top of storing up sediment jar (4) is provided with into cinder notch (8), it is located under row cinder notch (9) of furnace body (1) to advance cinder notch (8), it is through flange joint with row cinder notch (9) to advance cinder notch (8), the outside welding of storing up sediment jar (4) has sleeve pipe (10), be formed with annular airtight chamber (11) between sleeve pipe (10) and storing up sediment jar (4), water inlet department is connected with stop valve (12) through the pipe strap, the welding has steam outlet pipe (13) on the cylinder of sleeve pipe (10), steam outlet pipe (13) and annular airtight chamber (11) intercommunication. The utility model has the advantages that: compact structure, can utilize the heat carried by the slag, improve the generated energy and have simple operation.

Description

Novel garbage incinerator for garbage power generation

Technical Field

The utility model relates to a waste incineration's technical field, especially a novel a waste incinerator for garbage power.

Background

With the rapid development of economic society, the living of residents is steadily improved, the yield of household garbage (particularly urban household garbage) is rapidly increased, a single garbage landfill mode cannot meet the garbage treatment requirement, and the garbage incineration power generation is rapidly developed by the advantages of harmlessness, reduction and recycling, so that most of garbage treatment plants adopt garbage incinerators to incinerate garbage at present.

As shown in figure 1, the existing garbage incinerator comprises a furnace body (1), a bag-type dust collector (2), a boiler (3), a slag storage tank (4) and a steam turbine generator unit (7), wherein the top of a smoke exhaust port (5) of the furnace body (1) is connected with the inlet end of the bag-type dust collector (2) through a pipeline, the outlet end of the bag-type dust collector (2) is connected with the inlet end of the boiler (3) through a pipeline, the steam outlet end of the boiler (3) is connected with the steam inlet end of the steam turbine generator unit (7) through a pipeline, the top of the slag storage tank (4) is provided with a slag inlet (8), the slag inlet (8) is positioned under a slag discharge port (9) of the furnace body (1), and the slag inlet (8) is connected with the slag discharge port (9) through a pipeline.

When the garbage incinerator works, domestic garbage is thrown into the furnace body through a feed inlet (17) of the furnace body (1), the domestic garbage is incinerated through a burner on the furnace body (1), slag obtained after incineration is discharged into a slag storage tank (4) through a slag discharge port (9) and a slag inlet (8) in sequence, and the slag is sent into a slag pit through a slag remover after being cooled; wherein the hot flue gas that produces when burning rubbish discharges out through exhaust port (5), hot flue gas gets into in sack cleaner (2), the flying dust that carries in the hot flue gas is filtered to the sack in sack cleaner (2), the hot flue gas that filters the flying dust gets into in boiler (3), hot flue gas and the water in boiler (3) generate heat exchange, water is heated by hot flue gas and forms heat steam, heat steam flows out and gets into turbo generator set (7) in from the steam outlet end of boiler (3), turbo generator set (7) utilize steam power generation. However, although this waste incinerator can generate electricity by using waste heat flue gas generated by waste incineration, the slag discharged into the slag storage tank (4) carries a large amount of heat, and this portion of heat is not fully utilized, but is transported into a slag pit by a slag remover after being cooled by air cooling, thereby causing waste of heat. Therefore, a garbage incinerator capable of recycling heat of slag is required.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide a compact structure, can utilize the slag to carry the heat, improve generated energy, easy operation's novel waste incinerator for garbage power generation.

The purpose of the utility model is realized through the following technical scheme: a novel garbage incinerator for garbage power generation comprises a furnace body, a bag-type dust collector, a boiler and a slag storage tank, wherein the top of a smoke outlet of the furnace body is connected with the inlet end of the bag-type dust collector through a pipeline, the outlet end of the bag-type dust collector is connected with the smoke inlet end of the boiler through a pipeline, a main steam pipeline is connected at the steam outlet end of the boiler, the other end of the main steam pipeline is connected with the steam inlet end of a steam turbine generator unit through a flange, a slag inlet is formed in the top of the slag storage tank and is located under the slag discharge port of the furnace body, the slag inlet is connected with the slag discharge port through a flange, a sleeve is welded outside the slag storage tank, an annular closed cavity is formed between the sleeve and the slag storage tank, a water inlet is formed in the top of the sleeve, a stop valve is connected with the water inlet through a pipe clamp, a steam outlet pipe is welded, the steam outlet pipe is connected with a branch steam pipeline through a pipe card, and the other end of the branch steam pipeline is welded on the main steam pipeline and is communicated with the main steam pipeline.

The bottom of the slag storage tank is connected with a butterfly valve.

The pipe diameter of the main steam pipeline is larger than that of the branch steam pipeline.

The sleeve and the slag storage tank are coaxially arranged.

The flue gas outlet end department of boiler is connected with the draught fan, and the exit end of draught fan passes through flange joint with the entry end of flue gas absorption tower.

The utility model has the advantages of it is following: the utility model discloses utilized the heat that the slag carried to generate electricity, very big improvement turbo generator set's generated energy, compared traditional air cooling slag simultaneously, greatly improved the cooling efficiency of slag.

Drawings

FIG. 1 is a schematic view of a conventional garbage incinerator;

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

FIG. 3 is a schematic structural view of a slag storage tank;

3 FIG. 3 4 3 is 3 a 3 schematic 3 cross 3- 3 sectional 3 view 3 A 3- 3 A 3 of 3 FIG. 3 3 3; 3

In the figure, 1-furnace body, 2-bag dust collector, 3-boiler, 4-slag storage tank, 5-smoke outlet, 6-main steam pipeline, 7-turbo generator unit, 8-slag inlet, 9-slag outlet, 10-sleeve, 11-annular closed cavity, 12-stop valve, 13-steam outlet pipe, 14-branch steam pipeline, 15-butterfly valve, 16-induced draft fan and 17-feed inlet.

Detailed Description

The invention will be further described with reference to the accompanying drawings, without limiting the scope of the invention to the following:

as shown in fig. 2 to 4, a novel garbage incinerator for garbage power generation comprises a furnace body 1, a bag-type dust collector 2, a boiler 3 and a slag storage tank 4, wherein the top of a smoke outlet 5 of the furnace body 1 is connected with the inlet end of the bag-type dust collector 2 through a pipeline, the outlet end of the bag-type dust collector 2 is connected with the smoke inlet end of the boiler 3 through a pipeline, the steam outlet end of the boiler 3 is connected with a main steam pipeline 6, the other end of the main steam pipeline 6 is connected with the steam inlet end of a turbo generator unit 7 through a flange, the top of the slag storage tank 4 is provided with a slag inlet 8, the slag inlet 8 is positioned under a slag discharge port 9 of the furnace body 1, the slag inlet 8 is connected with the slag discharge port 9 through a flange, the outer part of the slag storage tank 4 is welded with a sleeve 10, the sleeve 10 is coaxial with the slag storage tank 4, an annular sealed cavity 11 is formed between the sleeve 10 and the slag storage tank, the water inlet department is connected with stop valve 12 through the pipe strap, the welding has steam outlet pipe 13 on the cylinder of sleeve pipe 10, and steam outlet pipe 13 and annular airtight chamber 11 communicate, and steam outlet pipe 13 department is connected with a steam conduit 14 through the pipe strap, the pipe diameter of main steam conduit 6 is greater than a steam conduit 14's pipe diameter, and a steam conduit 14's the other end welds on main steam conduit 6, and communicates with main steam conduit 6.

As shown in fig. 3 to 4, a butterfly valve 15 is connected to the bottom of the slag storage tank 4, and the slag in the slag storage tank 4 can be discharged to the outside by opening the butterfly valve 15. The flue gas outlet end department of boiler 3 is connected with draught fan 16, and the exit end of draught fan 16 and the entry end of flue gas absorption tower are through flange joint.

The working process of the utility model is as follows:

a worker opens the stop valve 12, and a certain amount of cooling water is introduced into the annular closed cavity 11 through the stop valve 12 to ensure that the liquid level of the cooling water is lower than that of the steam outlet pipe 13; the household garbage is thrown into the furnace body through a feed inlet 17 of the furnace body 1, the household garbage is incinerated through a burner of the furnace body 1, slag obtained after incineration is discharged into the slag storage tank 4 through the slag discharge port 9 and the slag inlet 8 in sequence, heat is transferred to the outer wall of the slag storage tank 4 through the slag in the slag storage tank 4, the heat is transferred to cooling water in the annular sealed cavity 11, the cooling water is heated to form hot steam, the hot steam enters the turbo generator unit 7 through the steam outlet pipe 13, the branch steam pipeline 14 and the main steam pipeline 6 in sequence, and the turbo generator unit 7 generates electricity through the steam. Therefore, the garbage incinerator utilizes the heat carried by the slag to generate electricity, greatly improves the generating capacity of the turbo generator unit, and simultaneously compares the traditional air cooling slag, thereby greatly improving the cooling efficiency of the slag.

Hot flue gas generated during garbage incineration is discharged through the exhaust port 5, the hot flue gas enters the bag-type dust collector 2, a bag in the bag-type dust collector 2 filters fly ash carried in the hot flue gas, the hot flue gas with the filtered fly ash enters the boiler 3, the hot flue gas and cooling water in the boiler 3 generate heat exchange, the cooling water is heated by the hot flue gas to form hot steam, the hot steam flows out from a steam outlet end of the boiler 3, the hot steam enters the turbo generator unit 7 through the main steam pipeline 6 under pressure, and the turbo generator unit 7 generates electricity by utilizing the steam.

When the garbage is incinerated, the induced draft fan 16 is turned on, the induced draft fan 16 pumps the flue gas subjected to heat exchange in the boiler 3 into the flue gas absorption tower, and the flue gas absorption tower sprays and absorbs harmful gas in the flue gas.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a novel a waste incinerator for garbage power, it includes furnace body (1), sack cleaner (2), boiler (3) and slag storage tank (4), the top of exhaust port (5) of furnace body (1) is connected through the entry end of pipeline with sack cleaner (2), and the exit end of sack cleaner (2) is connected its characterized in that through the pipeline with the flue gas entry end of boiler (3): the steam outlet end department of boiler (3) is connected with main steam pipeline (6), and the other end of main steam pipeline (6) and the steam inlet end of turbo generator set (7) are through flange joint, the top of storage slag ladle (4) is provided with into cinder notch (8), advances cinder notch (8) and is located under row cinder notch (9) of furnace body (1), advances cinder notch (8) and arranges cinder notch (9) through flange joint, the outside welding of storage slag ladle (4) has sleeve pipe (10), is formed with annular airtight chamber (11) between sleeve pipe (10) and storage slag ladle (4), and the top of sleeve pipe (10) is provided with the water inlet, and water inlet department is connected with stop valve (12) through the pipe strap, the welding has steam outlet pipe (13) on the cylinder of sleeve pipe (10), and steam outlet pipe (13) and annular airtight chamber (11) intercommunication, and steam outlet pipe (13) are managed department card and are connected with steam outlet pipe (14), the other end of the branch steam pipeline (14) is welded on the main steam pipeline (6) and communicated with the main steam pipeline (6).

2. The novel garbage incinerator for garbage power generation according to claim 1, characterized in that: the bottom of the slag storage tank (4) is connected with a butterfly valve (15).

3. The novel garbage incinerator for garbage power generation according to claim 1, characterized in that: the pipe diameter of the main steam pipeline (6) is larger than that of the branch steam pipeline (14).

4. The novel garbage incinerator for garbage power generation according to claim 1, characterized in that: the sleeve (10) and the slag storage tank (4) are coaxially arranged.

5. The novel garbage incinerator for garbage power generation according to claim 1, characterized in that: the flue gas outlet end department of boiler (3) is connected with draught fan (16), and the exit end of draught fan (16) and the entry end of flue gas absorption tower are through flange joint.