CN218645573U

CN218645573U - Waste incineration gasification cracking system

Info

Publication number: CN218645573U
Application number: CN202221929041.5U
Authority: CN
Inventors: 邱彦伶
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2023-03-17
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to a msw incineration gasification schizolysis system, including gasification schizolysis room, postcombustion room and the evacuation tobacco pipe that all has into mouth and outlet flue, the outlet flue of gasification schizolysis room passes through the pipeline intercommunication with the inlet flue of postcombustion room, still includes gas distribution valve and first fan, and this first fan has inlet scoop and air outlet, the outlet flue of postcombustion room passes through the pipeline intercommunication with the inlet scoop of first fan, gas distribution valve includes air intake, first delivery port and second delivery port. The utility model discloses a burning flue gas circulates repeatedly, is favorable to burning off harmful substance in the flue gas, incineration equipment's miniaturization, the water content in the reduction flue gas, accelerates the speed of gasification schizolysis rubbish etc to reduce incineration equipment's cost such as transportation, installation and maintenance, and the flue gas burning is more abundant and reduce harmful gas's emission.

Description

Waste incineration gasification cracking system

Technical Field

The utility model relates to a msw incineration field especially relates to a msw incineration gasification schizolysis system.

Background

In the prior art, the burning process of the gas-controlled pyrolysis incinerator is divided into two stages of combustion chambers, the thermal decomposition temperature of garbage in one combustion chamber is controlled within 250 ℃, the garbage is decomposed at low temperature under an oxygen-deficient state, and metal elements such as metal Cu, fe, al and the like cannot be oxidized, so that the amount of dioxin can be greatly reduced; meanwhile, the generation amount of HCl is reduced due to anoxic combustion; and is difficult to be produced in large quantities under a reducing atmosphere; combustible components in the garbage are decomposed into combustible gas, a secondary combustion chamber with sufficient oxygen is introduced for combustion, the temperature of the secondary combustion chamber is about 1000 ℃, and the flue length enables the flue gas to stay for more than 2s, so that most of toxic organic gases such as dioxin and the like are decomposed and combusted at high temperature. On one hand, the equipment of the first combustion chamber and the second combustion chamber needs to be large-sized, the length of the flue is too long, the transportation, the installation and the maintenance are difficult, and the cost is high; on the other hand, the initial furnace temperature of the garbage gasification cracking is low, so that the water content in the flue gas is not reduced, the full combustion of the flue gas is influenced, and the speed of the garbage gasification cracking is also influenced; therefore, improvements are desired.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a waste incineration gasification schizolysis system of circulated combustion flue gas repeatedly, be favorable to burning off harmful substance in the flue gas, incineration equipment's miniaturization, reduce the water content in the flue gas, accelerate the speed of gasification schizolysis rubbish etc to reduce incineration equipment's cost such as transportation, installation and maintenance, and the flue gas burning is more abundant and reduce harmful gas's emission.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a msw incineration gasification schizolysis system, is including the gasification cracking room, secondary combustion chamber and the evacuation tobacco pipe that all have into mouth and outlet flue, the outlet flue of gasification cracking room passes through the pipeline intercommunication with the inlet flue of secondary combustion chamber, still includes gas distribution valve and first fan, and this first fan has inlet scoop and air outlet, the outlet flue of secondary combustion chamber passes through the pipeline intercommunication with the inlet scoop of first fan, gas distribution valve includes air intake, first delivery port and second delivery port, the air intake of gas distribution valve passes through the pipeline intercommunication with the air outlet of first fan, the first delivery port of gas distribution valve and the inlet flue intercommunication of evacuation tobacco pipe, the second delivery port of gas distribution valve passes through the pipeline intercommunication with the inlet flue of gasification cracking room.

Furthermore, a second fan is arranged on a pipeline communicated between the smoke outlet of the gasification cracking chamber and the smoke inlet of the secondary combustion chamber and used for accelerating the flow of smoke.

Furthermore, a first gas valve is arranged on a pipeline communicated between the smoke inlet of the gasification cracking chamber and the second distribution port of the gas distribution valve, and a second gas valve is arranged on a pipeline communicated between the smoke outlet of the gasification cracking chamber and the second fan.

Furthermore, the gasification cracking chamber comprises a gasification chamber adopting a vertical shaft furnace structure and a gasification cracking furnace which is hermetically connected with the gasification chamber and is positioned above the gasification chamber, a smoke inlet of the gasification cracking chamber is arranged on the outer wall of the gasification chamber, and a smoke outlet of the gasification cracking chamber is arranged on the outer wall of the gasification cracking furnace.

Furthermore, the gasification cracking furnace is provided with an end cover for sealing an upper opening of the gasification cracking furnace, an end cover motor for opening and closing the end cover is arranged on the end cover, and the upper part of the gasification cracking furnace is also provided with a working platform for facilitating an operator to open and close the end cover.

Furthermore, the lower part of the outer wall of the gasification cracking furnace is provided with an inspection opening for inspecting the internal working condition of the gasification cracking furnace.

Furthermore, the outer wall of the gasification chamber is provided with a plurality of gasification ignition ports, a slag removal port for cleaning incineration residues, a fire grate breaking hand for adjusting the fire of the gasification chamber and a first air blower for oxygen transportation.

Further, the secondary combustion chamber includes a combustion range having a second blower for oxygen transfer and a secondary burner disposed above the combustion range having a third blower for oxygen transfer.

Furthermore, a plurality of air inlet holes are formed in the outer wall, close to the smoke inlet, of the evacuation smoke pipe, so that air can enter the evacuation smoke pipe conveniently, the temperature of tail gas in the evacuation smoke pipe can be reduced, and the tail gas in the evacuation smoke pipe can be oxidized to reduce the concentration of carbon monoxide.

Furthermore, a plurality of supporting legs are arranged at the bottoms of the gasification cracking chamber and the secondary combustion chamber.

Compared with the prior art, the utility model discloses following beneficial effect has:

the second distributing port of the gas distributing valve is communicated with the smoke inlet of the gasification cracking chamber through a pipeline, smoke flows back into the gasification cracking chamber through the second distributing port again, the smoke is circularly burnt, harmful substances in the smoke can be effectively burnt, and on one hand, oversize waste incineration equipment and overlong flue length are not needed, so that the miniaturization of the waste incineration equipment can be realized, and the transportation, installation, maintenance and other costs of the incineration equipment are reduced; on the other hand, the speed of gasifying and cracking the garbage can be increased without reducing the temperature of the initial furnace of the gasifying and cracking chamber, the smoke is burnt at high temperature, the water content in the smoke is effectively reduced, and the smoke is combusted more sufficiently to reduce the emission of harmful gas.

Drawings

FIG. 1 is a schematic plan view of a refuse incineration gasification cracking system of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments shown in the drawings.

As shown in fig. 1, the waste incineration gasification cracking system of the present embodiment includes a gasification cracking chamber 1, a secondary combustion chamber 2 and an exhaust smoke tube 3, each of which has a smoke inlet and a smoke outlet, a smoke outlet 12 of the gasification cracking chamber 1 is communicated with a smoke inlet 21 of the secondary combustion chamber 2 through a pipeline 100, and further includes a gas distribution valve 4 and a first fan 5, the first fan 5 has a suction inlet 51 and an outlet 52, a smoke outlet 22 of the secondary combustion chamber 2 is communicated with the suction inlet 51 of the first fan 5 through a pipeline 110, the gas distribution valve 4 includes a gas inlet 41, a first distribution inlet 42 and a second distribution inlet 43, an air inlet 41 of the gas distribution valve 4 is communicated with the air outlet 52 of the first fan 5 through a pipeline 120, a first distribution inlet 42 of the gas distribution valve 4 is communicated with a smoke inlet 31 of the exhaust smoke tube 3, and a second distribution inlet 43 of the gas distribution valve 4 is communicated with a smoke inlet 11 of the gasification cracking chamber 1 through a pipeline 130. When the garbage incineration gasification cracking system works, the gasification cracking chamber 1 gasifies and cracks the garbage in the gasification cracking chamber into smoke at high temperature and burns the smoke, the smoke flows into the secondary combustion chamber 2 to burn again under the action of the suction force of the first fan 5, then the smoke passes through the gas distribution valve 4, a small part of the smoke in the gas distribution valve 4 is discharged into the atmosphere after passing through the first distribution port 42 and the emptying smoke pipe 3, and the rest of the smoke flows into the gasification cracking chamber 1 through the second distribution port 43 in a circulating manner, so that the smoke is burnt in a circulating manner.

As described above, the second fan 6 is disposed on the pipeline 100 communicating between the smoke outlet 12 of the gasification cracking chamber 1 and the smoke inlet 21 of the secondary combustion chamber 2 for accelerating the flow of the smoke.

As described above, the first gas valve 7 is disposed on the pipeline 130 communicating between the smoke inlet 11 of the gasification cracking chamber 1 and the second distribution port 43 of the gas distribution valve 4, and the second gas valve 8 is disposed on the pipeline 100 communicating between the smoke outlet 12 of the gasification cracking chamber 1 and the second fan 6.

As mentioned above, the gasification cracking chamber 1 comprises the gasification chamber 13 in the structure of vertical shaft furnace and the gasification cracking furnace 14 hermetically connected with the gasification chamber 13 and located above the gasification chamber 13, the smoke inlet 11 of the gasification cracking chamber 1 is arranged on the outer wall of the gasification chamber 13, and the smoke outlet 12 of the gasification cracking chamber 1 is arranged on the outer wall of the gasification cracking furnace 14.

As described above, the gasification cracking furnace 14 has the end cap 141 for closing the upper opening thereof, the end cap motor 142 for opening and closing the end cap 141 is provided on the end cap 141, and the upper portion of the gasification cracking furnace 14 is further provided with the working platform 143 for facilitating the operator to open and close the end cap 141.

As described above, the lower portion of the outer wall of the gasification cracking furnace 14 is provided with the inspection port 144 for inspecting the internal working condition thereof.

As described above, the outer wall of the gasification chamber 13 is provided with the plurality of gasification ignition ports 131, the slag removal port 132 for removing the incineration residues, the grate breaking hand 133 for adjusting the fire of the gasification chamber, and the first blower 134 for delivering oxygen.

As described above, the secondary combustion chamber 2 includes the combustion range 23 and the secondary burner 24 disposed above the combustion range 23, the combustion range 23 having the second blower 231 for oxygen delivery, and the secondary burner 24 having the third blower 241 for oxygen delivery.

As mentioned above, the exhaust smoke tube 3 is provided with a plurality of air inlet holes 33 on the outer wall near the smoke inlet 31, so that air can enter the exhaust smoke tube 3 in time, thereby being beneficial to reducing the temperature of the tail gas in the exhaust smoke tube 3 and being beneficial to oxidizing the tail gas in the exhaust smoke tube 3 to reduce the concentration of carbon monoxide.

As mentioned above, the bottom of the gasification cracking chamber 1 and the bottom of the secondary combustion chamber 2 are both provided with a plurality of supporting

legs

15 and 25, which is convenient for the quick installation and fixation of the gasification cracking chamber 1 and the secondary combustion chamber 2.

The above mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention can not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the description of the present invention are still included in the scope of the present invention.

Claims

1. The utility model provides a msw incineration gasification schizolysis system, includes gasification schizolysis room, postcombustion room and the evacuation tobacco pipe that all has into mouth and outlet flue, the outlet flue of gasification schizolysis room passes through pipeline intercommunication, its characterized in that with the inlet flue of postcombustion room: still include gas distribution valve and first fan, this first fan has inlet scoop and air outlet, the outlet flue of afterburner passes through the pipeline intercommunication with the inlet scoop of first fan, the gas distribution valve includes air intake, first minute mouth and second minute mouth, the air intake of gas distribution valve passes through the pipeline intercommunication with the air outlet of first fan, the first minute mouth of gas distribution valve and the entering mouth intercommunication of evacuation tobacco pipe, the second minute mouth of gas distribution valve passes through the pipeline intercommunication with the entering mouth of gasification pyrolysis chamber.

2. The waste incineration gasification cracking system of claim 1, wherein: and a second fan is arranged on a pipeline communicated between the smoke outlet of the gasification cracking chamber and the smoke inlet of the secondary combustion chamber and used for accelerating the flow of smoke.

3. The waste incineration gasification cracking system of claim 2, wherein: the pipeline communicated between the smoke inlet of the gasification cracking chamber and the second distribution port of the gas distribution valve is provided with a first gas valve, and the pipeline communicated between the smoke outlet of the gasification cracking chamber and the second fan is provided with a second gas valve.

4. The waste incineration gasification cracking system of claim 1, 2 or 3, wherein: the gasification cracking chamber comprises a gasification chamber adopting a vertical shaft furnace structure and a gasification cracking furnace which is hermetically connected with the gasification chamber and is positioned above the gasification chamber, a smoke inlet of the gasification cracking chamber is arranged on the outer wall of the gasification chamber, and a smoke outlet of the gasification cracking chamber is arranged on the outer wall of the gasification cracking furnace.

5. The waste incineration gasification cracking system of claim 4, wherein: the gasification cracking furnace is provided with an end cover for sealing an upper opening of the gasification cracking furnace, an end cover motor for opening and closing the end cover is arranged on the end cover, and the upper part of the gasification cracking furnace is also provided with a working platform for an operator to open and close the end cover conveniently.

6. The waste incineration gasification cracking system of claim 4, wherein: and the lower part of the outer wall of the gasification cracking furnace is provided with an inspection port for inspecting the internal working condition of the gasification cracking furnace.

7. The waste incineration gasification cracking system of claim 4, wherein: the outer wall of the gasification chamber is provided with a plurality of gasification ignition ports, a slag cleaning port for cleaning incineration residues, a fire grate breaking hand for adjusting the fire of the gasification chamber and a first air blower for oxygen delivery.

8. The waste incineration gasification cracking system of claim 1, 2 or 3, wherein: the secondary combustion chamber comprises a combustion stove and a secondary combustor arranged above the combustion stove, the combustion stove is provided with a second air blower for oxygen delivery, and the secondary combustor is provided with a third air blower for oxygen delivery.

9. The waste incineration gasification cracking system of claim 1, wherein: the outer wall of the evacuation smoke pipe close to the smoke inlet is provided with a plurality of air inlet holes, so that air can enter the evacuation smoke pipe in time, the temperature of tail gas in the evacuation smoke pipe can be reduced, and the tail gas in the evacuation smoke pipe can be oxidized to reduce the concentration of carbon monoxide.

10. The waste incineration gasification cracking system of claim 1, wherein: and a plurality of supporting legs are arranged at the bottoms of the gasification cracking chamber and the secondary combustion chamber.