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Grinding ball for sludge treatment equipment

A technology for sludge treatment and ball grinding, which is applied in the fields of sludge treatment, water/sludge/sewage treatment, and sludge treatment by temperature control. effect, improved dewatering performance, excellent grinding effect

Active Publication Date: 2019-03-15
SUZHOU YIKETAI ELECTRONICS MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional dehydration process can only remove free water and part of interstitial water, and the removal rate of interstitial water in sludge cells is very low

Method used

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  • Grinding ball for sludge treatment equipment

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Experimental program
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Effect test

Embodiment 1

[0026]see figure 1 , a kind of sludge treatment equipment, including paddle sludge cooler 1, belt refrigerator 2, ball mill 3, conveying screw 4, centrifuge 5 connected in sequence, also includes refrigerator 6, sludge pump 7; The sludge cooler is provided with a cooling fluid inlet and a cooling fluid outlet; the freezer is provided with a refrigerated gas inlet and a refrigerated gas outlet (located at the bottom); the ball mill is provided with a cooling gas inlet and a cooling gas outlet, and a grinding ball , the arrangement of grinding balls is conventional; the conveying screw is provided with a heating fluid inlet and a heating fluid outlet; the centrifuge is provided with a clear liquid outlet 8; the refrigerator is provided with an air inlet and an air outlet; the sludge cooling The cooling fluid inlet of the sludge cooler is connected with the heating fluid outlet of the conveying screw, and the cooling fluid outlet of the sludge cooler is connected with the heating...

Embodiment 2

[0029] A kind of sludge treatment equipment, similar to Embodiment 1, including a paddle sludge cooler, a belt refrigerator, a ball mill (with grinding balls), a conveying screw, a centrifuge, a refrigerator, and a sludge pump connected in sequence The freezer is also equipped with a temperature-sensing probe to prevent problems with the key parameters of freezing and breaking the wall, effectively monitor the temperature of the frozen sludge, and ensure the quality of freezing and dewatering.

[0030] The above equipment is used for sludge dewatering: the municipal sludge with a water content of 80% is transported to the sludge cooler by the sludge pump, and the sludge cooler adopts paddle-type cooling equipment to cool down the sludge by indirect heat exchange. , the cooling medium comes from the conveying screw, and after heat exchange and cooling, the temperature of the sludge drops from normal temperature to 10°C. The sludge cooled from the paddle cooler enters the belt f...

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Abstract

The invention discloses a grinding ball for sludge treatment equipment. The grinding ball comprises a ceramic body and an inert polymer layer which coats the outer surface of the ceramic body. The sludge treatment equipment disclosed by the invention is used for sludge treatment; sludge cell walls are broken by a freezing method, so that colloid structures in the sludge are destroyed; the requirement of sludge cell breaking for the release of interstitial water in sludge cells is met, so that the dewatering performance of the sludge is improved; the defect that only free water and part interstitial water can be removed by the existing dewatering process is overcome.

Description

[0001] The present invention belongs to a divisional application with the title of the invention as a kind of sludge treatment equipment, the application date is November 3, 2016, and the application number is 2016109913599, and it belongs to the component technology part. technical field [0002] The invention relates to the technical field of sewage treatment, in particular to a grinding ball for sludge treatment equipment. Background technique [0003] Sludge is a solid waste produced in the process of sewage treatment. With the development of domestic sewage treatment business, the total water treatment volume and treatment degree of sewage plants will continue to expand and improve, and the amount of sludge produced will also increase day by day. The investment in sludge treatment The cost of sludge treatment accounts for 20% to 50% of the operating cost of the sewage treatment plant, which brings a heavy burden to the sewage treatment plant. Sewage sludge contains not ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/00C02F11/20C02F11/121
CPCC02F11/00C02F11/127C02F11/20
Inventor 彭代信苏艳丽
Owner SUZHOU YIKETAI ELECTRONICS MATERIAL
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