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Energy-saving belt type sludge low-temperature drying device

An energy-saving, sludge technology, applied in the direction of dewatering/drying/concentrating sludge treatment, etc., can solve the problem that the heat pump cannot be coupled, and achieve the effect of safe system operation, saving processing cost and high calorific value

Pending Publication Date: 2019-03-01
ZHEJIANG TIANXINGJIAN WATER SERVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0008] In view of this, this application provides an energy-saving belt-type sludge low-temperature drying device that is easy to install, easy to operate, safe and reliable. Solve the problem that clean energy cannot be coupled with the original low temperature dryer heat pump

Method used

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  • Energy-saving belt type sludge low-temperature drying device
  • Energy-saving belt type sludge low-temperature drying device
  • Energy-saving belt type sludge low-temperature drying device

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Embodiment Construction

[0030] In this embodiment, the energy-saving belt-type sludge low-temperature drying device is combined with figure 1 , including the mud feeding forming area E, the drying area F, the circulation condensation area I and the heating area formed by the heat pump heating area G and the clean energy heating area H, the mud feeding forming area E is provided with a sludge inlet 11, and the sludge mechanical The sludge with a water content of about 80% produced by the dehydrator is irregular in shape, and it is sent into the mud forming area E, and formed into a strip, cake or pancake shaped sludge A through the mud forming machine 1. The shaped sludge A can be evenly spread on the conveyor belt in the drying area, which is an important part of the sludge dehydration process; the shaped sludge A enters the refinement zone 2 through the sludge inlet 11, and is refined in the refinement zone 2 into the pulverized filter cake B with a particle size of 5-8mm, and the pulverized filter ...

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Abstract

The invention provides an energy-saving belt type sludge low-temperature drying device, and belongs to the technical field of sludge drying method processing devices. The drying device comprises a sludge feeding and forming zone, a drying zone, a heat pump heating zone, a clean energy heating zone, a circulating condensing zone and a discharging zone, wherein the drying zone is provided with a sludge outlet, and the sludge outlet is located at the end of the conveyor belt running direction. Dried sludge is delivered to the discharging zone through the sludge outlet and discharged. The drying device not only achieves continuous drying of the sludge, but also effectively uses the clean energy to achieve low-temperature low-energy drying of the sludge.

Description

technical field [0001] The application relates to an energy-saving belt-type sludge low-temperature drying device, which belongs to the technical field of sludge drying treatment devices. Background technique [0002] Although my country's urban water purification capacity has been significantly enhanced, the sludge treatment and disposal work has not been significantly improved. my country's annual sludge output (measured at 80% water content) has exceeded 20 million tons in 2010, and is expected to exceed 60 million tons in 2020. However, the proportion of effective disposal of such a huge amount of sludge is not high. According to statistics, dewatered sludge that cannot be disposed of safely accounts for 70% of the total. One of the reasons is the high moisture content of sludge, which directly affects the subsequent sludge disposal process and disposal effect. Effective and appropriate sludge treatment can reduce the harmful impact of sludge on the environment during ...

Claims

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Application Information

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IPC IPC(8): C02F11/13
CPCC02F11/12
Inventor 董学锋吴炜张利平陈文松
Owner ZHEJIANG TIANXINGJIAN WATER SERVICE CO LTD
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