Waste heat type solid waste treatment device
A treatment device and waste heat technology, applied in lighting and heating equipment, combustion methods, combined combustion mitigation, etc., can solve the problems of high NOx emissions, general treatment effect, and low waste heat recovery rate
Pending Publication Date: 2021-06-11
江苏华俊环保科技有限公司
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Problems solved by technology
Especially municipal sewage sludge, drainage sludge from petroleum refineries, chemical plants, food factories, paper mills, drainage sludge from other industries, excrement and urine sludge and food waste, etc., the treatment cost is relatively high, and the treatment effect is average.
In addition, the waste heat recovery rate in the existing sludge and other solid waste treatment systems is low; there are no high-temperature air burners on the kiln head and the second combustion chamber, the internal temperature field is unevenly distributed, and the NOx emissions are relatively large. Unable to optimize the treatment of solid waste
Method used
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Embodiment Construction
[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0017] Such as figure 1 , figure 2 and image 3 As shown, the waste heat type solid waste treatment device described in the present invention includes a rotary kiln 1, a second combustion chamber 2, a waste heat boiler 3, a quench tower 4, a dry spray tower 5, a bag filter 6, and a primary spray tower 7. The secondary spray tower 8 and the chimney 9 are connected by pipes to form the main body of the device. A gas distribution cylinder 10 is provided next to the waste heat boiler 3. The waste heat boiler 3 is connected to the gas distribution cylinder 10. In the rotary kiln 1 There is a high-temperature air burner I11 on it, and the high-temperature air burner I11 includes a burner main body I19, and a rotary kiln oxygen supplement air duct is connected to one side of the burner main body I19, and a There is a gas inlet pipe I20, and the other end i...
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The invention relates to a waste heat type solid waste treatment device. The device sequentially comprises a rotary kiln, a secondary combustion chamber, a waste heat boiler, a quench tower, a dry spray tower, a bag-type dust collector, spray towers and a chimney which are connected through pipelines. An air distribution cylinder is arranged beside the waste heat boiler, and a high-temperature air burner I is arranged on the rotary kiln. A high-temperature air burner I is connected with a rotary kiln oxygenating fan through a pipeline, a high-temperature air burner II is arranged on the secondary combustion chamber and connected with a secondary combustion chamber oxygenating fan through a pipeline, and an induced draft fan is arranged between the bag-type dust collector and a first-stage spray tower. A heat exchanger III is arranged on the pipeline between the induced draft fan and the first-stage spray tower, a flue gas reheater is arranged between a second-stage spray tower and the chimney, and the flue gas reheater is connected with the air distribution cylinder through a pipeline. The waste heat recycling rate is high, temperature fields in a kiln head and the secondary combustion chamber are distributed more evenly, therefore, the NOx generation amount is reduced, and the overall treatment effect is good.
Description
technical field [0001] The invention relates to a solid waste treatment device, in particular to a waste heat recovery type solid waste treatment device. Background technique [0002] In recent years, with the continuous improvement of urbanization in our country and the improvement of environmental protection treatment facilities, a large amount of sludge is produced in the process of residents' lives and factory production. Especially municipal sewage sludge, drainage sludge from petroleum refineries, chemical plants, food factories, paper mills, drainage sludge from other industries, excrement and urine sludge and food waste, etc., the treatment cost is relatively high, and the treatment effect is average. . In addition, the waste heat recovery rate in the existing sludge and other solid waste treatment systems is low; there are no high-temperature air burners on the kiln head and the second combustion chamber, the internal temperature field is unevenly distributed, and ...
Claims
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IPC IPC(8): F23G7/00F23G5/16F23G5/46F23G5/44F23J15/02F23J15/06F23J15/04
CPCF23G5/16F23G5/44F23G5/46F23G7/001F23G2202/103F23G2206/203F23G2209/12F23J15/022F23J15/025F23J15/06F23J2217/104F23J2217/50Y02E20/12Y02E20/30
Inventor 刘超顾国清
Owner 江苏华俊环保科技有限公司