CN211367488U - Cracking gasification furnace capable of fully burning garbage - Google Patents
Cracking gasification furnace capable of fully burning garbage Download PDFInfo
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- CN211367488U CN211367488U CN201922189402.1U CN201922189402U CN211367488U CN 211367488 U CN211367488 U CN 211367488U CN 201922189402 U CN201922189402 U CN 201922189402U CN 211367488 U CN211367488 U CN 211367488U
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Abstract
The application discloses pyrolysis gasification stove of abundant burning rubbish includes: the lower part of the side wall of the furnace body is provided with an oxygen spraying port, and the upper part of the side wall of the furnace body is provided with a combustible gas outlet; the feeding device is arranged at the upper part of the furnace body; the ash tray is arranged at the bottom of the furnace body and can rotate relative to the furnace body, and the lower end of the furnace body is positioned in the ash tray; the furnace grate is positioned at the lower part of the furnace body and fixed with the ash tray, a circle of slag slide carriage is arranged around the lower part of the furnace grate, the ash tray is used for loading cooling liquid, the liquid level of the cooling liquid is higher than the lower end surface of the furnace body, a first oxygen inlet channel is arranged at the bottom of the furnace grate, and the oxygen spraying port is aligned to the slag slide carriage. This application can be to slag carriage apron injection air or oxygen through spouting the oxygen mouth, and the slag has carried out grate oxygen and slag oxygen and has jetted two-layer oxygen system, can further burn more fully with the combustible substance or the carbon residue that do not burn completely in the slag, and then further reduce the heat of slag and subtract the rate of rate appropriately.
Description
Technical Field
The utility model relates to a refuse treatment field, concretely relates to pyrolysis gasifier of abundant burning rubbish.
Background
In the prior art, garbage is treated by a cracking gasification furnace. In the garbage cracking gasification process, air is generally adopted to enter a cracking furnace to burn partial garbage to provide heat to maintain the whole cracking gasification process, and the following problems generally exist: in the process of gasification decomposition, because oxygen needs to be controlled in the whole process, oxygen cannot be used, so that the slag is difficult to burn out in the actual use process, and the heat discretionary rate of the slag is high. Additional energy or systems are required to handle the reduction in the rate of slag heat discounting.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above problem, overcome at least one not enough, provide a pyrolysis gasifier of abundant burning rubbish.
The utility model adopts the following technical scheme:
a pyrolysis gasifier for the efficient combustion of waste comprising:
the lower part of the side wall of the furnace body is provided with an oxygen spraying port, and the upper part of the side wall of the furnace body is provided with a combustible gas outlet;
the feeding device is arranged at the upper part of the furnace body;
the ash tray is arranged at the bottom of the furnace body and can rotate relative to the furnace body, and the lower end of the furnace body is positioned in the ash tray;
the furnace grate is positioned at the lower part of the furnace body and fixed with the ash tray, a circle of slag slide carriage is arranged around the lower part of the furnace grate, the ash tray is used for loading cooling liquid, the liquid level of the cooling liquid is higher than the lower end surface of the furnace body, a first oxygen inlet channel is arranged at the bottom of the furnace grate, and the oxygen spraying port is aligned to the slag slide carriage.
Air or oxygen can be sprayed to the slag slide carriage through the oxygen spraying opening, and the slag is subjected to a two-layer oxygen supply system of grate oxygen and slag oxygen spraying, so that unburnt combustible substances or carbon residue in the slag can be further fully combusted, and the heat decreasing rate of the slag is further reduced.
In one embodiment of the present invention, the slag slide carriage is provided with slag breaking teeth. The slag breaking teeth are arranged, so that slag can be broken conveniently, and the reliable operation of the pyrolysis gasification furnace is ensured.
In one embodiment of the present invention, the oxygen nozzles are provided in plurality and are uniformly distributed around the axis of the furnace body; the oxygen spraying opening is provided with a nozzle, the cross section of the nozzle is gradually reduced, and the cross section is smaller when the nozzle is closer to the end part.
In one embodiment of the present invention, the bottom of the furnace body has a slag hole.
The utility model has the advantages that: air or oxygen can be sprayed to the slag slide carriage through the oxygen spraying opening, and the slag is subjected to a two-layer oxygen supply system of grate oxygen and slag oxygen spraying, so that unburnt combustible substances or carbon residue in the slag can be further fully combusted, and the heat decreasing rate of the slag is further reduced.
Description of the drawings:
FIG. 1 is a schematic diagram of a system for producing high calorific value gas by pyrolysis gasification;
FIG. 2 is an enlarged view of FIG. 1A;
fig. 3 is an enlarged view at fig. 1B.
The figures are numbered:
1. an oxygen production device; 2. a pyrolysis gasifier; 3. an oxygen storage tank; 4. a furnace body; 5. an oxygen spraying port; 6. a combustible gas outlet; 7. a feeding device; 8. an ash tray; 9. a grate; 10. a slag slide carriage; 11. Breaking slag teeth; 12. a first oxygen inlet channel; 13. a main gas supply pipe; 14. a first pipeline; 15. a second pipeline; 16. a first flow control valve; 17. a second flow control valve; 18. a safety valve; 19. drying the filter assembly; 20. a separation unit; 21. a gas supply reversing mechanism; 22. a first fan; 23. a controller; 24. a molecular sieve; 25. a first filtering device; 26. a second filtering device; 27. a heat exchange pipe; 28. an electromagnetic valve; 29. a fourth flow control valve; 30. a nitrogen gas discharge pipe; 31. a condenser; 32. An air compressor; 33. a buffer tank; 34. an oil-water separator; 35. a sixth flow control valve; 36. A purification device; 37. a gas-water separator; 38. an air outlet pipe; 39. a fourth pipeline; 40. a seventh flow control valve; 41. an eighth flow control valve; 42. a second fan; 43. a power generation device; 44. a heat energy utilization device; 45. a slag outlet; 46. a gas utilization device; 47. a third flow rate control valve; 48. A fifth flow control valve; 49. a third pipeline; 50. a first sampling port; 51. a second sampling port.
The specific implementation mode is as follows:
the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, 2 and 3, a system for preparing high calorific value fuel gas by pyrolysis gasification includes an oxygen preparation device 1 and a pyrolysis gasification furnace 2, the oxygen preparation device 1 includes an oxygen storage tank 3, and the pyrolysis gasification furnace 2 includes:
the furnace body 4, the inferior part of the sidewall of the furnace body 4 has oxygen-jetting mouths 5, the upper portion has combustible gas outlet 6;
the feeding device 7 is arranged at the upper part of the furnace body 4;
the ash tray 8 is arranged at the bottom of the furnace body 4 and can rotate relative to the furnace body 4, and the lower end of the furnace body 4 is positioned in the ash tray 8;
the furnace grate 9 is positioned at the lower part of the furnace body 4 and is fixed with the ash tray 8, a circle of slag slide carriage 10 is arranged around the lower part of the furnace grate 9, the ash tray 8 is used for loading cooling liquid, the liquid level of the cooling liquid is higher than the lower end surface of the furnace body 4, a first oxygen inlet channel 12 is arranged at the bottom of the furnace grate 9, and the oxygen spraying port 5 is aligned with the slag slide carriage 10;
an outlet of the oxygen storage tank 3 is connected with a main gas supply pipe 13, the main gas supply pipe 13 is communicated with the first oxygen inlet channel 12 through a first pipeline 14, the main gas supply pipe 13 is communicated with the oxygen spraying port 5 through a second pipeline 15, the first pipeline 14 is provided with a first flow control valve 16, and the second pipeline 15 is provided with a second flow control valve 17.
Can obtain oxygen through oxygen preparation facilities 1, adopt pure oxygen to carry out the pyrolysis gasification burning of part rubbish, directly use the air to carry out pyrolysis gasification, can obtain the combustible gas that the purity is higher, the calorific value is higher, and is further, this combustible gas can be sold commercially or more commercial uses, and the suitability is better.
Oxygen can be sprayed to the slag slide carriage 10 through the oxygen spraying port 5, pure oxygen is used for spraying, and the slag is subjected to a grate 9 oxygen and slag oxygen spraying two-layer oxygen supply system, so that unburnt combustible substances or residual carbon in the slag can be further fully combusted, and the heat decreasing rate of the slag is further reduced.
In the embodiment, the slag slide carriage 10 is provided with slag breaking teeth 11; the upper end plate of the furnace body 4 is provided with a safety valve 18.
In the embodiment, a plurality of oxygen nozzles 5 are uniformly distributed around the axis of the furnace body 4; the oxygen spraying opening is provided with a nozzle, the cross section of the nozzle is gradually reduced, and the cross section is smaller closer to the end part. The nozzle is designed in such a way that the spraying speed can be increased.
In the present embodiment, the oxygen production apparatus 1 includes:
a dry filter assembly 19 for filtering air;
a plurality of separation units 20 for separating oxygen and nitrogen of air;
the air supply reversing mechanism 21 comprises an air inlet and a plurality of air outlets, the air inlet of the air supply reversing mechanism 21 is communicated with the drying and filtering component 19, and the air outlets of the air supply reversing mechanism 21 are respectively communicated with the inlets of the corresponding separation units 20;
an oxygen storage tank 3 for receiving oxygen from the separation unit 20, an air inlet of the oxygen storage tank 3 being provided with a third flow control valve 47;
a first fan 22 for supplying air from the dry filter module 19 to the oxygen storage tank 3 side;
a controller 23;
each separation unit 20 includes:
a molecular sieve 24 for separating oxygen and nitrogen from air;
two filtering devices, namely a first filtering device 25 and a second filtering device 26, which are respectively arranged at two ends of the molecular sieve 24;
a heat exchange tube 27 disposed within the molecular sieve 24;
an electromagnetic valve 28, the inlet of which is communicated with the air outlet of the air supply reversing mechanism 21, and the outlet of which is communicated with the inlet of the first filtering device 25;
a fourth flow control valve 29 having an inlet communicating with the outlet of the second filtering means 26 and an outlet communicating with the inlet of the third flow control valve 47;
and a nitrogen gas discharge pipe 30 communicating with the nitrogen gas chamber in the molecular sieve 24 for discharging nitrogen gas.
It may be set that only one separation unit 20 is in a closed state (the air outlet of the air supply reversing mechanism 21 corresponding to the separation unit 20 is closed), the nitrogen gas discharge pipe 30 is operated to discharge the nitrogen gas in the nitrogen gas chamber, and then the separated oxygen gas can be delivered to the oxygen gas storage tank 3 by opening the fourth flow control valve 29 and the first fan 22; and the other separation units 20 are in an open state (the air outlets of the air supply reversing mechanisms 21 corresponding to the separation units 20 are open), and the molecular sieves 24 operate on the air to separate nitrogen and oxygen.
In practical use, the number of the separation units 20 is n, n is preferably equal to or greater than 3, n-1 separation units 20 are always in an open state, and the separation units 20 in the closed state are sequentially alternated after a set time, so that the n-1 separation units 20 are always used for nitrogen-oxygen separation through the synergistic time-sharing effect of the multi-component separation units 20, the separation efficiency and the separation gas amount can be further increased, and a sufficient oxygen reserve and more available oxygen are provided for the pyrolysis gasifier 2.
In the present embodiment, the drying and filtering assembly 19 includes a condenser 31, an air compressor 32, a buffer tank 33, and an oil-water separator 34, which are sequentially disposed, and an air inlet of the air supply reversing mechanism 21 is communicated with an air outlet of the oil-water separator 34.
The air is condensed by the condenser 31 and then enters the air compressor 32 for pressurization, and then enters the buffer tank 33 for buffering and pressure stabilization after pressurization, and then enters the oil-water separator 34 for removing oil and water in the compressed air.
In the present application, the controller 23 is used for controlling the electrical components to work cooperatively.
In this embodiment, the fifth flow control valve 48 is installed on the main gas supply pipe 13 of the oxygen storage tank 3, the third pipeline 49 is connected to the main gas supply pipe 13, the sixth flow control valve 35 is installed on the third pipeline 49, the joint between the third pipeline 49 and the main gas supply pipe 13 is located between the oxygen storage tank 3 and the fifth flow control valve 48, and the main gas supply pipe 13 is provided with the first sampling port 50 between the oxygen storage tank 3 and the third branch pipe. This application sets up the quality and technical parameter data etc. that the sampling port can observe the system oxygen. The third conduit 49 is open to allow pure oxygen to be used for other purposes or for compressed storage and export.
In this embodiment, the gas utilization device 46 is further provided, and the gas utilization device 46 includes:
a purification device 36, the inlet of which is communicated with the combustible gas outlet 6;
an inlet of the gas-water separator 37 is communicated with an outlet of the purifying device 36, and an outlet of the gas-water separator 37 is connected with an air outlet pipe 38;
a fourth pipeline 39 communicated with the gas outlet pipe 38, a seventh flow control valve 40 mounted on the fourth pipeline 39, and a second sampling port 51 arranged between the gas-water separator 37 and the fourth pipeline 39 on the gas outlet pipe 38
The eighth flow control valve 41 is arranged on the air outlet pipe 38, and the junction of the fourth pipeline 39 and the air outlet pipe 38 is positioned between the gas-water separation and the eighth flow control valve 41;
a second fan 42 for discharging the combustible gas from the furnace body 4;
a power generation device 43 that receives the combustible gas from the eighth flow control valve 41 and generates power by combustion, the combustible gas power generation device 43 being connected to a waste heat utilization system for generating steam or hot water;
a thermal energy utilization device 44 receiving the combustible gas from the eighth flow control valve 41 for obtaining steam or hot water; the steam or hot water of the power generation device 43 and the thermal energy utilization device 44 is used for feeding into the heat exchange pipe 27 of the separation unit 20.
The heat exchange pipe 27 arranged inside the molecular sieve 24 is supplied with heat through steam or hot water obtained from combustible gas, and the energy circulation utilization rate is higher.
The fourth line 39 is opened to allow pure oxygen to be used for other purposes or compressed storage for shipment.
In this embodiment, the bottom of the furnace body 4 has a slag outlet 45. The slag enters the cooling liquid of the ash tray 8 after being further crushed from the grate 9 through the slag crushing teeth 11, and the cooling liquid can ensure that the whole furnace body 4 is isolated from the outside.
The above only is the preferred embodiment of the present invention, not therefore the limit the patent protection scope of the present invention, all applications the equivalent structure transformation made by the contents of the specification and the drawings of the present invention is directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (4)
1. The utility model provides a pyrolysis gasifier of abundant burning rubbish which characterized in that includes:
the lower part of the side wall of the furnace body is provided with an oxygen spraying port, and the upper part of the side wall of the furnace body is provided with a combustible gas outlet;
the feeding device is arranged at the upper part of the furnace body;
the ash tray is arranged at the bottom of the furnace body and can rotate relative to the furnace body, and the lower end of the furnace body is positioned in the ash tray;
the furnace grate is positioned at the lower part of the furnace body and fixed with the ash tray, a circle of slag slide carriage is arranged around the lower part of the furnace grate, the ash tray is used for loading cooling liquid, the liquid level of the cooling liquid is higher than the lower end surface of the furnace body, a first oxygen inlet channel is arranged at the bottom of the furnace grate, and the oxygen spraying port is aligned to the slag slide carriage.
2. The pyrolysis gasifier for burning garbage fully according to claim 1, wherein the slag chute is provided with slag breaking teeth.
3. The pyrolysis gasifier for burning garbage fully according to claim 1, wherein the oxygen injection ports are provided in plurality and are distributed uniformly around the axis of the furnace body; the oxygen spraying opening is provided with a nozzle, the cross section of the nozzle is gradually reduced, and the cross section is smaller when the nozzle is closer to the end part.
4. The pyrolysis gasifier for burning garbage fully according to claim 1, wherein the bottom of the furnace body is provided with a slag outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922189402.1U CN211367488U (en) | 2019-12-09 | 2019-12-09 | Cracking gasification furnace capable of fully burning garbage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922189402.1U CN211367488U (en) | 2019-12-09 | 2019-12-09 | Cracking gasification furnace capable of fully burning garbage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211367488U true CN211367488U (en) | 2020-08-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922189402.1U Active CN211367488U (en) | 2019-12-09 | 2019-12-09 | Cracking gasification furnace capable of fully burning garbage |
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| Country | Link |
|---|---|
| CN (1) | CN211367488U (en) |
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2019
- 2019-12-09 CN CN201922189402.1U patent/CN211367488U/en active Active
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