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Sludge drying and recycling system

A sludge and sludge pump technology, applied in the field of sludge drying and reuse system, can solve problems such as blockage of coal conveying system, achieve the effects of avoiding waste, improving energy utilization rate, and rational utilization of resources

Pending Publication Date: 2022-04-22
中盐昆山有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of coal conveying system blockage in related technologies, this application provides a sludge drying and reuse system

Method used

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Embodiment Construction

[0034] The following is attached Figure 1-3 The application is described in further detail.

[0035] The embodiment of the present application discloses a sludge drying and reuse system. refer to figure 1The sludge drying and reuse system includes a sludge wet silo 1. The upper end of the sludge wet silo 1 is open and used to fill the purified sludge. First, the sludge with a water content of 80% produced by the sewage station and The sludge with a water content of 90% produced by the reclaimed water recovery device is mixed and treated, and the mixed purified sludge is subjected to anaerobic treatment, so that the organic matter in the purified sludge is decomposed into combustion-supporting gases such as methane, carbon monoxide, and hydrogen sulfide. The discharge port at the lower end of the wet silo 1 is connected to a screw feeder, and the discharge port of the screw feeder is connected to a sludge pump 2. The sludge pump 2 can be selected as a sludge screw pump, and ...

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Abstract

The invention relates to a sludge drying and recycling system, and relates to the field of sludge recycling, the sludge drying and recycling system comprises a sludge wet material bin, a sludge pump and a coal-fired boiler, the sludge wet material bin is used for being filled with sludge with high water content, and a discharge port of the sludge wet material bin is communicated with the sludge pump; the system further comprises a paddle dryer used for drying wet sludge and a coal conveying mechanism, a discharging port of the sludge pump is communicated with the paddle dryer, one end of the coal conveying mechanism is communicated with the discharging end of the paddle dryer, the other end of the coal conveying mechanism is communicated with the coal-fired boiler, and the coal conveying mechanism is used for conveying dry sludge and coal. The device has the advantages that purified sludge is not prone to blocking a pipeline, and the energy utilization rate is high.

Description

technical field [0001] The application relates to the field of sludge recycling, in particular to a sludge drying and reuse system. Background technique [0002] In the process of preparing soda ash, ammonium chloride, and sodium carbonate, a large amount of water is needed, and the sewage station and the reclaimed water recovery device will produce a large amount of purified sludge correspondingly. Among them, the sludge produced by the sewage station has a moisture content of about The water content of the sludge produced by the reclaimed water recovery unit is about 90%. Purified sludge contains pathogenic bacteria, toxic organic matter and heavy metal substances. Therefore, the commonly used treatment method for purified sludge is: mix purified sludge with coal and biomass in an appropriate proportion, and send it to Put it into industrial boilers as fuel for combustion, so that not only can a large amount of purified sludge be consumed, but also resource utilization wi...

Claims

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Application Information

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IPC IPC(8): F23G5/04F23G5/08F23G5/44F23G5/46F23K3/00C02F11/13
CPCF23G5/04F23G5/08F23G5/444F23G5/46F23K3/00C02F11/13F23G2201/10F23G2201/70F23G2206/10F23K2201/501
Inventor 赵勤理叶金金刘娇
Owner 中盐昆山有限公司
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