Pickling sludge dewatering device

A dewatering device, a technology for pickling sludge, applied in water/sludge/sewage treatment, sludge treatment, metallurgical wastewater treatment, etc., can solve the problem of slow dehydration speed, high energy consumption of rotary kiln method, and generation of large amounts of greenhouse gases, etc. question

A dewatering device, a technology for pickling sludge, applied in water/sludge/sewage treatment, sludge treatment, metallurgical wastewater treatment, etc., can solve the problem of slow dehydration speed, high energy consumption of rotary kiln method, and generation of large amounts of greenhouse gases, etc. question

CN112759224AActive Publication Date: 2021-05-07江苏亿洲再生资源科技有限公司
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  • Pickling sludge dewatering device
  • Pickling sludge dewatering device
  • Pickling sludge dewatering device

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Embodiment Construction

[0023] The following is a clear and complete description of the technical solutions in the implementation of the present invention in conjunction with the accompanying drawings, and the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

[0024] like Figure 1 to Figure 5 As shown, a pickling sludge dewatering device provided by the embodiment of the present invention includes a dehydration chamber 1, the outer wall of the dehydration chamber 1 is provided with support legs 3, and the feed port 11 of the dehydration chamber 1 is connected with a shearing machine 5 and Tablet press 4, tablet press 4 is used to press the pickling sludge to be dehydrated into a mud board with a thickness of about 20mm, and the shearing machi...

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Abstract

The invention discloses a pickling sludge dewatering device, and the device comprises a dewatering chamber; a main body of the dewatering chamber is in an inverted pyramid frustum shape, a spiral conveying belt matched with the inner wall of the dewatering chamber is arranged in an inner cavity of the dewatering chamber from top to bottom, a magnetron is arranged in the center of the bottom of the inner cavity of the dewatering chamber, a vertical waveguide tube is connected to the upper portion of the magnetron, a microwave stirrer fixed to the top of an inner cavity of the dewatering chamber is arranged over the output end of the waveguide tube, the input end and the output end of the conveying belt penetrate through a feeding port and a discharging port of the dewatering chamber respectively, and the bearing face of the conveying belt is obliquely arranged and faces the waveguide tube and the microwave stirrer. The pickling sludge is dewatered in a microwave heating mode, the sludge plate absorbs microwave energy, so the temperature is continuously increased;meanwhile, water in the sludge plate is evaporated, the dewatering effect is achieved, and environmental pollution and land occupation are reduced.

Description

technical field [0001] The invention relates to a pickling sludge dewatering device, which belongs to the technical field of pickling sludge resource recovery. Background technique [0002] Pickling is an important process in the metal surface treatment industry and the steel industry. Through pickling, remove iron oxide on the surface of steel or metal processing products, improve the quality of steel surface structure, and make the metal surface clean. The remaining pickling waste liquid after pickling needs to be treated to a certain extent before it can be discharged. The most commonly used method is the lime neutralization method, which directly adds slaked lime to the wastewater. This method will produce a large amount of sludge, which has high metal ion content and is difficult to follow-up treatment. It is a hazardous solid waste and occupies a large amount of land area. Recycling of pickling sludge is becoming more and more important. Pyroreduction is currently t...

Claims

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Application Information

Patent Timeline
07 May 2021
Publication
CN112759224A
IPC
C02F11/131; C02F103/16
CPC
C02F2103/16; C02F11/131
Inventors
王炳芳; 王靖华