CN219473661U

CN219473661U - Household garbage combustion kiln

Info

Publication number: CN219473661U
Application number: CN202320662138.2U
Authority: CN
Inventors: 陈显新
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-08-04
Anticipated expiration: 2033-03-30

Abstract

The utility model provides a domestic waste burning kiln, relates to a domestic waste processing apparatus, including the furnace body, rubbish entry, the air-blower is equipped with ash hole, its characterized in that in the furnace body bottom: a V-shaped ring bucket is arranged in the lower part of the furnace body, a round table-shaped furnace bridge which is ventilated with an ash outlet is arranged in the middle part of the V-shaped ring bucket, a secondary ventilation pipe is arranged at the middle upper part in the furnace body, an ash sedimentation tank is arranged outside the furnace body, washing liquid is contained in the ash sedimentation tank, an ash outlet pipe is arranged at the top of the furnace body, the ash outlet pipe leads to the middle lower part of the ash sedimentation tank liquid, an exhaust pipe is arranged at the upper part of the ash sedimentation tank, a smoke washing bin is arranged in the middle part of the exhaust pipe, and a first spray header which is connected with a water supply pipe is arranged in the smoke washing bin. The incineration temperature is high, the incineration is sufficient, the smoke can reach the emission standard, the cost is low, the maintenance is simple, and the incinerator is suitable for rural household garbage incineration.

Description

Household garbage combustion kiln

Technical Field

The utility model relates to a household garbage treatment device.

Background

Along with the development of rural construction, harmless treatment of rural household garbage becomes an important problem. The existing rural domestic garbage treatment method mainly comprises a landfill method, a centralized treatment method for reaching counties and cities and an incineration method. The landfill method not only occupies land, but also causes water pollution; the centralized processing method for the transportation to the county is too high in cost for the county far away from the county, and is not realistic; the incineration method is ideal for remote villages, but the existing incineration adopts a simple soil incinerator, and the incinerator has the advantages of low incineration temperature, insufficient incineration, rich and more generated flue gas and direct emission to cause air pollution. And the special garbage incinerator has high cost and difficult maintenance.

Disclosure of Invention

The utility model aims to disclose a household garbage combustion kiln which has high incineration temperature, full incineration, low cost, simple maintenance and suitability for villages, and can realize up-to-standard emission of flue gas.

The technical scheme of the utility model is as follows: the household garbage combustion kiln comprises a furnace body 1, a garbage inlet 2 and a blower 7, wherein an ash outlet 9 provided with an air inlet pipe 8 is arranged at the bottom of the furnace body 1, and is characterized in that: the lower part of the furnace body 1 is internally provided with a V-shaped ring hopper 6, the middle part of the V-shaped ring hopper 6 is provided with a round table-shaped furnace bridge 10 communicated with an ash outlet 9, the middle upper part in the furnace body 1 is provided with a secondary ventilation pipe 4, the outside of the furnace body 1 is provided with a soot sedimentation tank 12, the top of the furnace body 1 is provided with an ash outlet pipe 19, the ash outlet pipe 19 leads to the middle lower part of the soot sedimentation tank 12 liquid, the upper part of the soot sedimentation tank 12 is provided with an exhaust pipe 16, the middle part of the exhaust pipe 16 is provided with a smoke washing bin 17, and the inside of the smoke washing bin 17 is provided with a first spray header 13 connected with a water supply pipe 15.

In a preferred embodiment, the bottom edge of the truncated cone-shaped bridge 10 is connected with the bottom edge of the V-shaped ring bucket 6.

In a preferred embodiment, a smoke spraying portion 11 is connected to an end of the smoke outlet pipe 19.

In a preferred embodiment, a second shower head 14 is also provided within the fume chamber 17.

In a more preferred embodiment, the smoke spraying part 11 may be a smoke spraying pipe or a spherical crown type smoke sprayer densely provided with small holes.

In the preferred scheme, a filter tank 21 is arranged on the side surface of the soot sedimentation tank 12, the filter tank 21 is communicated with the soot sedimentation tank 12 through a filter screen 23, a water pump 22 is arranged in the filter tank 21, a water outlet of the water pump 22 is connected with a water return pipe 24, the water return pipe 24 is communicated with a water supply pipe 15 through a first water valve 25, and a second water valve 26 is arranged at the water inlet end of the water supply pipe 15.

In a preferred embodiment, the filter screen 23 is arranged at the middle upper part of the wall of the ash sedimentation tank 12.

The working principle of the utility model is as follows: the garbage is poured into a V-shaped ring bucket in a furnace body from a garbage inlet, a blower is started, a fire source enters the lower part of a round table-shaped furnace bridge from an ash outlet to ignite the garbage, then a furnace door of the ash outlet is closed, the garbage is combusted in a furnace, a secondary ventilation pipe 4 is arranged at the middle upper part of the furnace, the garbage which is not fully combusted in the furnace can be fully oxidized and combusted, smoke generated by combustion enters the middle lower part of liquid of a soot sedimentation tank through a smoke exhaust pipe and is dispersed into the liquid through a smoke spraying part 11, part of dust in the smoke is dissolved into the liquid, the smoke rises to the water surface and then enters a smoke washing bin of the smoke exhaust pipe, the smoke is further washed through a first spray header and a second spray header, and the smoke after washing reaches the standard is discharged from the smoke exhaust pipe. In order to save water sources, a filter tank 21 is arranged on the side face of the ash sedimentation tank 12, washing water in the ash sedimentation tank 12 is filtered by a filter screen and then is filtered by the filter tank 21, and the filtered water is pumped out by a water pump and enters a water supply pipe for washing smoke. The liquid of the ash sedimentation tank can be pure water, lime water or other washing liquid.

By adopting the technical scheme, the utility model has the advantages of high incineration temperature, full incineration, low cost, simple maintenance and suitability for rural household garbage incineration, and the fume can reach the emission standard.

Drawings

FIG. 1 is a schematic cross-sectional front view of the present utility model;

FIG. 2 is a cross-sectional view A-A of the present utility model.

Reference numerals illustrate: the device comprises a 1-furnace body, a 2-garbage inlet, a 3-air outlet, a 4-secondary ventilation pipe, a 5-furnace chamber, a 6-V-shaped annular bucket, a 7-blower, an 8-ventilation pipe, a 9-ash outlet, a 10-truncated cone-shaped furnace bridge, an 11-smoke spraying part, a 12-ash sedimentation tank, a 13-first spray header, a 14-second spray header 14, a 15-water supply pipe, a 16-smoke exhaust pipe, a 17-smoke washing bin, a 18-inspection hole, a 19-smoke outlet pipe, a 20-blow-down valve, a 21-filter tank, a 22-water pump, a 23-filter screen and a 24-water return pipe. 25-first water valve, 26-second water valve.

Description of the embodiments

In order that the utility model may be more clearly understood, a detailed description of the utility model will be given below with reference to fig. 1-2.

Example 1: the household garbage combustion kiln comprises a furnace body 1, a garbage inlet 2, a blower 7, wherein the blower 7 is connected with an air inlet pipe 8, an ash outlet 9 with an air door is arranged at the bottom of the furnace body 1, a V-shaped annular bucket 6 is arranged in the lower part of the furnace body 1, a normally closed inspection hole 18 is arranged in the middle of the furnace body 1, a round table-shaped furnace bridge 10 which is ventilated with the ash outlet 9 is arranged in the middle of the V-shaped annular bucket 6, and the bottom edge of the round table-shaped furnace bridge 10 is connected with the bottom edge of the V-shaped annular bucket 6. The air inlet pipe 8 is led into the lower part of the truncated cone-shaped furnace bridge 10, the middle upper part in the furnace body 1 is provided with a secondary ventilation pipe 4, the secondary ventilation pipe 4 is communicated with the air inlet pipe 8, the outside of the furnace body 1 is provided with a soot sedimentation tank 12, water is contained in the soot sedimentation tank 12, the top of the furnace body 1 is provided with a smoke outlet pipe 19, and the smoke outlet pipe 19 is led to the middle lower part of the water body of the soot sedimentation tank 12. The end of the smoke outlet pipe 19 is connected with a smoke spraying part 11, and the smoke spraying part 11 is a smoke spraying pipe densely provided with small holes. A drain valve 20 is arranged at the bottom of the ash sedimentation tank 12, a smoke exhaust pipe 16 is arranged at the upper part of the ash sedimentation tank 12, a smoke washing bin 17 is arranged in the middle of the smoke exhaust pipe 16, and a first spray header 13 and a second spray header 14 which are connected with a water supply pipe 15 are arranged in the smoke washing bin 17. The burning temperature of the hearth reaches 985 ℃, and the particle content of the flue gas is 26mg/m ³ The dioxin emission concentration was 0.9ng TEQ/Nm ³ The cost is about 0.8 ten thousand yuan, the maintenance is simple, and the method is suitable for rural household garbage incineration.

Example 2: the household garbage combustion kiln is provided with a kiln body 1, a bucket-shaped garbage inlet 2 is arranged at the top of the kiln body 1, a blower 7 is arranged at the bottom of the kiln body 1, the blower 7 is connected with an air inlet pipe 8, an ash outlet 9 is arranged at the bottom of the kiln body 1, an air door is arranged at the ash outlet, a V-shaped annular bucket 6 is arranged in the lower part of the kiln body 1, a normal-time closed inspection hole 18 is arranged in the middle of the kiln body 1, a round table-shaped furnace bridge 10 ventilated with the ash outlet 9 is arranged in the middle of the V-shaped annular bucket 6, and the bottom edge of the round table-shaped furnace bridge 10 is connected with the bottom edge of the V-shaped annular bucket 6. The air inlet pipe 8 is led into the circular truncated cone type furnaceThe lower part of the bridge 10 is provided with a secondary ventilation pipe 4 at the middle upper part in the furnace body 1, the secondary ventilation pipe 4 is communicated with an air inlet pipe 8, a soot sedimentation tank 12 is arranged outside the furnace body 1, lime water washing liquid is contained in the soot sedimentation tank 12, the top of the furnace body 1 is provided with a smoke outlet pipe 19, and the smoke outlet pipe 19 is led to the middle lower part of the liquid in the soot sedimentation tank 12. The end of the smoke outlet pipe 19 is connected with a smoke spraying part 11, and the smoke spraying part 11 is a spherical crown-shaped smoke sprayer densely provided with small holes. A drain valve 20 is arranged at the bottom of the ash sedimentation tank 12, a smoke exhaust pipe 16 is arranged at the upper part of the ash sedimentation tank 12, a smoke washing bin 17 is arranged in the middle of the smoke exhaust pipe 16, and a first spray header 13 and a second spray header 14 which are connected with a water supply pipe 15 are arranged in the smoke washing bin 17. The side of the ash sedimentation tank 12 is provided with a filter tank 21, the filter tank 21 is communicated with the ash sedimentation tank 12 through a filter screen 23, and the filter screen 23 is arranged at the middle upper part of the tank wall of the ash sedimentation tank 12. A water pump 22 is arranged in the filter tank 21, a water outlet of the water pump 22 is connected with a water return pipe 24, the water return pipe 24 is communicated with a water supply pipe 15 through a first water valve 25, and a water inlet end of the water supply pipe 15 is provided with a second water valve 26. The incineration temperature of the hearth of the embodiment is 980 ℃, and the particle content of the flue gas is 27mg/m ³ The discharge concentration of the dioxin is 0.8ng TEQ/Nm3, the cost is within 1 ten thousand yuan, the maintenance is simple, and the method is suitable for rural household garbage incineration.

The foregoing is merely illustrative of the embodiments of the present utility model and is not intended to be limiting in any way or in nature, and it should be noted that modifications and additions to those skilled in the art without departing from the scope of the utility model. Equivalent embodiments of the present utility model will be apparent to those skilled in the art having the benefit of the teachings disclosed herein, and modifications, to which the utility model pertains; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the protection scope of the present utility model.

Claims

1. The household garbage combustion kiln comprises a kiln body, a garbage inlet and a blower, wherein an ash outlet is formed in the bottom of the kiln body, and the household garbage combustion kiln is characterized in that: a V-shaped ring bucket is arranged in the lower part of the furnace body, a round table-shaped furnace bridge which is ventilated with an ash outlet is arranged in the middle part of the V-shaped ring bucket, a secondary ventilation pipe is arranged at the middle upper part in the furnace body, an ash sedimentation tank is arranged outside the furnace body, washing liquid is contained in the ash sedimentation tank, an ash outlet pipe is arranged at the top of the furnace body, the ash outlet pipe leads to the middle lower part of the ash sedimentation tank liquid, an exhaust pipe is arranged at the upper part of the ash sedimentation tank, a smoke washing bin is arranged in the middle part of the exhaust pipe, and a first spray header which is connected with a water supply pipe is arranged in the smoke washing bin.

2. The household garbage combustion kiln of claim 1, wherein: and the end part of the smoke outlet pipe is connected with a smoke spraying part.

3. The household garbage combustion kiln of claim 2, wherein: the smoke spraying part is a smoke spraying pipe densely provided with small holes.

4. The household garbage combustion kiln of claim 2, wherein: the smoke spraying part is a spherical crown-shaped smoke sprayer densely provided with small holes.

5. The household garbage combustion kiln of claim 1, wherein: and a second spray header is also arranged in the smoke washing bin.

6. The household garbage combustion kiln of claim 1, wherein: the bottom edge of the truncated cone-shaped furnace bridge is connected with the bottom edge of the V-shaped ring bucket.

7. The household garbage combustion kiln of claim 1, wherein: the side of the ash sedimentation tank is provided with a filter tank, the filter tank is communicated with the ash sedimentation tank through a filter screen, a water pump is arranged in the filter tank, a water outlet of the water pump is connected with a water return pipe, the water return pipe is communicated with a water supply pipe through a first water valve, and a water inlet end of the water supply pipe is provided with a second water valve.

8. The household garbage combustion kiln of claim 7, wherein: the filter screen is arranged at the middle upper part of the wall of the ash sedimentation tank.