CN212339289U - Biomass and solid waste mixed combustion system - Google Patents
Biomass and solid waste mixed combustion system Download PDFInfo
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- CN212339289U CN212339289U CN202021232276.XU CN202021232276U CN212339289U CN 212339289 U CN212339289 U CN 212339289U CN 202021232276 U CN202021232276 U CN 202021232276U CN 212339289 U CN212339289 U CN 212339289U
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Abstract
The utility model provides a biomass and solid waste blending combustion system, which comprises a crushing system, a gas-solid separator, a stokehold bin, a feeding auger, a transmitter and a conveying fan, wherein a discharge port of the crushing system is connected with a feed port of the transmitter; an air inlet formed in the transmitter is connected with an air outlet of the conveying fan; the discharge hole of the transmitter is connected with the feed inlet of the gas-solid separator, the solid outlet of the gas-solid separator is connected with the feed inlet of the stokehole bin, the discharge hole of the stokehole bin is connected with the feed inlet of the feeding auger, and the discharge hole of the feeding auger is connected with the feed inlet formed on the side wall of the hearth; the utility model has the advantages of little influence on the flow field of the hearth, convenient arrangement of a conveying system, convenient output adjustment and the like.
Description
Technical Field
The utility model belongs to the technical field of living beings, solid useless utilization, in particular to living beings, solid useless blending combustion system.
Background
The biomass mainly refers to lignocellulose (lignin for short) such as straws and trees except grains and fruits in the production process of agriculture and forestry, leftovers in the processing industry of agricultural products, agricultural and forestry wastes, livestock and poultry manure and wastes in the production process of animal husbandry, and the like. The biomass energy is an important component of renewable energy, and the efficient development and utilization of the biomass energy play a very positive role in solving the problems of energy and ecological environment.
The solid waste refers to solid and semisolid waste materials which are produced in production construction, daily life and other activities of human beings and cannot be utilized in a certain time and place, and are discarded to pollute the environment. Urban solid waste is generally divided into the following categories: 1. municipal solid waste 2, general industrial solid waste 3, domestic sludge. The solid waste can be transformed chemically, physically or biologically under certain conditions, and has certain influence on the surrounding environment, and if the adopted treatment method is improper, harmful substances pollute the environment and harm the health of human bodies through water, gas, soil, food chains and other ways.
The incineration technique refers to a process in which combustible materials in waste are combusted with oxygen in an incinerator. Its technical features are large treatment capacity, good volume reduction, high harmless degree and heat energy recovery, so it is a promising treatment technology. The incineration method has the advantages that various wastes with different properties can be treated, the volume of the wastes can be reduced by 90 percent (different according to different ash contents) after incineration, and the treatment of filling is convenient.
At present, the more advanced mixed combustion/combustion system mainly conveys materials into a furnace for mixed combustion/combustion utilization through pneumatic conveying, and the process has the problems that: the pneumatic conveying gas volume is large, and has certain influence on the flow field in the furnace, thereby causing the problems of local abrasion, unstable emission of nitrogen oxides and the like; there is also a process application of feeding the material to the furnace front through a belt and feeding the material into the furnace through a packing auger, and the process has the problems that: the field reconstruction space is limited, and the arrangement of the belt and the storage bin is difficult.
Disclosure of Invention
An object of the utility model is to provide a living beings, solid useless system of mixing and burning have solved current mixing and burning system because the strength carries the gas volume great, lead to local wear, nitrogen oxide to discharge shakiness scheduling problem.
In order to achieve the above purpose, the utility model discloses a technical scheme is:
the utility model provides a biomass and solid waste blending combustion system, which comprises a crushing system, a gas-solid separator, a stokehold bin, a feeding auger, a transmitter and a conveying fan, wherein a discharge port of the crushing system is connected with a feed port of the transmitter; an air inlet formed in the transmitter is connected with an air outlet of the conveying fan; the discharge hole of the transmitter is connected with the feed inlet of the gas-solid separator, the solid outlet of the gas-solid separator is connected with the feed inlet of the stokehold bin, the discharge hole of the stokehold bin is connected with the feed inlet of the feeding auger, and the discharge hole of the feeding auger is connected with the feed inlet arranged on the side wall of the hearth.
Preferably, the sowing air is arranged below the outlet of the feeding auger; a boss is arranged above the outlet of the feeding auger.
Preferably, the broadcast wind is connected with a wind system branch.
Preferably, the material spreading wind is connected with a material spreading fan; and an air inlet of the material spreading fan is connected with a gas outlet of the crushing system, which is provided with a dust removal device and a gas-solid separator.
Preferably, the feeding auger is arranged in an inclined upward inclined structure.
Preferably, the crushing system is provided with a dust removal device, and a flying dust outlet of the dust removal device is connected with an air inlet of a fan; the gas outlet of the gas-solid separator is connected with the air inlet of the fan; the air outlet of the fan is connected with the air inlet of the air preheater; the air outlet of the air preheater is connected with an air box.
Preferably, the discharge port of the crushing system is connected with the inlet of the buffer bin through a conveying belt; the outlet of the buffer bin is connected with the feed inlet of the transmitter;
and the buffer bin is provided with a dustproof device, and the outlet of the dustproof device is connected with the air inlet of the fan.
Preferably, the crushing system comprises a crusher, and a feed inlet of the crusher is connected with a feed belt; and the discharge hole of the crusher is connected with the feed inlet of the transmitter.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a living beings, solid useless blending combustion system, utilize the gas-solid separator to transport solid material behind the crushing system, avoid the blast volume of entering the stove too big, and then influence the interior flow field of stove; meanwhile, when object materials are conveyed, the pneumatic conveying is realized through the matching of the conveying fan and the transmitter, the structure is easy to arrange space, and the reconstruction of a power plant is facilitated; the auger is adopted for feeding in front of the furnace, so that the output force is convenient to adjust; to sum up, the utility model has the advantages of little, the conveying system is convenient for arrange, exert oneself and adjust the convenience to furnace flow field influence.
Drawings
Fig. 1 is a schematic diagram of a system to which the present invention relates;
FIG. 2 is a schematic view of a system employing a single feed blower;
the device comprises a feeding belt 1, a crusher/shredder 3, a dust cover 4, a dust absorption pipe 5, a conveying belt 6, an air door 7, a buffer bin 8, an air pipe 9, a gas-solid separator 10, a stokehole bin 11, a hearth 12, an air preheater 13, a fan 14, an air box 15, a boss 16, a material spreading air 17, a feeding auger 18, a material conveying pipe 19, a transmitter 20, a conveying fan 21 and a material spreading fan.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the utility model provides a living beings, solid useless blending combustion system, including feed belt 1, breaker/shredder 2, dust cover 3, dust absorption pipe 4, conveyer belt 5, air door 6, surge bin 7, tuber pipe 8, gas-solid separator 9, stokehold feed bin 10, furnace 11, air preheater 12, fan 13, bellows 14, boss 15, broadcast material wind 16, feed auger 17, conveying pipeline 18, sender 19, conveying fan 20 and broadcast material fan 21, wherein, the exit linkage of feed belt 1 is the feed inlet of breaker 2; a dust cover 3 is arranged at the feed inlet of the crusher 2; the dust cover 3 is provided with a dust suction pipe 4, and the dust suction pipe 4 is provided with an air door 6.
A discharge port of the crusher 2 is provided with a conveyer belt 5, the tail end of the conveyer belt 5 is connected with an inlet of a buffer bin 7, a dust cover is arranged at the inlet of the buffer bin 7, and an outlet of the dust cover is connected with a dust collection pipe 4; the outlet of the buffer bin 7 is connected with a transmitter 19.
The air inlet of the transmitter 19 is connected with a conveying fan 20 through an air pipe.
A feed delivery pipe 18 is arranged at the outlet of the sender 19, and the outlet of the feed delivery pipe 18 is connected with the gas-solid separator 9.
A solid outlet of the gas-solid separator 9 is connected with a stokehole bin 10; the outlet of the stokehole bin 10 is connected with a feeding auger 17, and the outlet of the feeding auger 17 is connected with a feeding hole formed in the side wall of the hearth 11.
The lower part of the outlet of the feeding auger 17 is provided with a seeding air 16, and the upper part of the outlet of the feeding auger 17 is provided with a boss 15.
The gas outlet of the gas-solid separator 9 is connected to the inlet of a fan 13 through a wind pipe 8.
The outlet of the dust suction pipe 4 is connected to the inlet of a fan 13; an outlet of the fan 13 is connected with an air preheater 12, and an air outlet of the air preheater 12 is connected with an air box 14.
Wherein:
the seeding air 16 can be a branch of an existing air system, or a seeding fan 21 can be arranged independently.
When the seeding air 16 is separately provided with the seeding fan 21, the air outlet of the gas-solid separator 9 is connected to the inlet of the seeding fan 21 through the air pipe 8, and the dust suction pipe 4 is also connected to the inlet of the seeding fan 21.
The feeding auger 17 is arranged obliquely upwards, and an outlet is matched with the boss 15 and the seeding air 16, so that the reverse channeling of smoke is avoided; meanwhile, the materials are spread to a farther and wider place in the furnace through the spreading wind, so that the materials are prevented from being accumulated at the feed inlet; and the heavier impurities are discharged out of the furnace through a slag discharge pipe.
The gas-solid separator 9 realizes gas-solid separation, and avoids the influence on the flow field in the furnace caused by overlarge air quantity entering the furnace;
the feeding auger 17 can be a shaftless auger or a shafted auger.
The utility model discloses a working process is:
biomass and solid waste are conveyed to a crusher/shredder 2 from a feeding belt 1 to be crushed, then conveyed to a buffer bin 7 through a conveying belt 5, then conveyed to a gas-solid separator 9 through a transmitter 19 to be subjected to gas-solid separation, the separated material enters a stokehole bin, and the material is conveyed into the furnace under the action of a feeding auger 17.
The system is provided with a negative pressure dust extraction system, an air outlet of the negative pressure dust extraction system is connected with an air inlet of the air preheater 12 through the fan 13, and the structure ensures that the whole system is in a negative pressure closed state, so that dust is not overflowed, and the field environment is excellent.
Example 2
The difference from the embodiment 1 is that a material spreading fan 21 is separately arranged, a gas outlet of the gas-solid separator 9 is connected to an inlet of the material spreading fan 21 through an air pipe, a dust suction pipe is also connected to the inlet of the material spreading fan 21, and an outlet of the material spreading fan 21 is connected to a material spreading air port below a feeding auger; the structure ensures that the whole system is in a negative pressure closed state, so that dust is not overflowed, and the field environment is excellent.
The utility model has the advantages of little influence on the flow field of the hearth, difficult backward fleeing of flue gas, convenient arrangement of a conveying system, convenient regulation of exerting oneself, excellent site environment and the like.
The above detailed description is for one embodiment of the present invention, but the content is only the preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All changes and improvements made in accordance with the scope of the present invention should still fall within the scope of the present invention.
Claims (8)
1. A biomass and solid waste mixed combustion system is characterized by comprising a crushing system, a gas-solid separator (9), a stokehole bin (10), a feeding auger (17), a transmitter (19) and a conveying fan (20), wherein a discharge hole of the crushing system is connected with a feed inlet of the transmitter (19); an air inlet formed in the transmitter (19) is connected with an air outlet of the conveying fan (20); the discharge gate of sending the ware (19) connects the feed inlet of gas-solid separator (9), the solid exit linkage feed inlet of stokehold feed bin (10) of gas-solid separator (9), the feed inlet of feed auger (17) is connected to the discharge gate of stokehold feed bin (10), and the feed inlet of seting up on furnace (11) lateral wall is connected to the discharge gate of feed auger (17).
2. The biomass and solid waste mixed combustion system as claimed in claim 1, wherein a seeding air (16) is arranged below an outlet of the feeding auger (17); a boss (15) is arranged above the outlet of the feeding packing auger (17).
3. The biomass and solid waste co-combustion system as claimed in claim 2, wherein the seeding air (16) is connected with an air system branch.
4. The biomass and solid waste mixed combustion system as claimed in claim 2, wherein the seeding air (16) is connected with a seeding fan (21); an air inlet of the material spreading fan (21) is connected with a gas outlet of a dust removal device and a gas-solid separator (9) which are arranged on the crushing system.
5. The biomass and solid waste co-combustion system as claimed in claim 1, wherein the feeding auger (17) is arranged in an inclined structure in an inclined direction.
6. The mixed combustion system of biomass and solid waste as claimed in claim 1, wherein the crushing system is provided with a dust removing device, and a fly ash outlet of the dust removing device is connected with an air inlet of a fan (13); the gas outlet of the gas-solid separator (9) is connected with the air inlet of the fan (13); an air outlet of the fan (13) is connected with an air inlet of the air preheater (12); an air outlet of the air preheater (12) is connected with an air box (14).
7. The biomass and solid waste mixed combustion system as claimed in claim 6, wherein the discharge port of the crushing system is connected with the inlet of the buffer bin (7) through the conveyer belt (5); the outlet of the buffer bin (7) is connected with the feed inlet of the transmitter (19);
and a dustproof device is arranged on the buffer bin (7), and the outlet of the dustproof device is connected with the air inlet of the fan (13).
8. The mixed combustion system of biomass and solid waste as claimed in claim 1, wherein the crushing system comprises a crusher (2), and a feed inlet of the crusher (2) is connected with a feed belt (1); and a discharge hole of the crusher (2) is connected with a feed inlet of the transmitter (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232276.XU CN212339289U (en) | 2020-06-29 | 2020-06-29 | Biomass and solid waste mixed combustion system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021232276.XU CN212339289U (en) | 2020-06-29 | 2020-06-29 | Biomass and solid waste mixed combustion system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212339289U true CN212339289U (en) | 2021-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021232276.XU Active CN212339289U (en) | 2020-06-29 | 2020-06-29 | Biomass and solid waste mixed combustion system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212339289U (en) |
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2020
- 2020-06-29 CN CN202021232276.XU patent/CN212339289U/en active Active
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