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Processing method of desulfurated waste water residue

A technology for desulfurization wastewater and treatment method, which is applied in gaseous discharge wastewater treatment, dehydration/drying/concentrated sludge treatment, water/sludge/sewage treatment, etc. To achieve scientific and reasonable effect of treatment method

Active Publication Date: 2013-09-25
武汉光谷环保科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a treatment method for desulfurization waste water slag, which overcomes the difficulties of disposing of waste water slag and may cause pollution to the environment, and is used to realize the comprehensive utilization of waste water slag, avoid secondary investment and treatment costs, and avoid polluting the environment , to increase the added value of the wet desulfurization process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The desulfurization waste water slag processing method of the present invention, the detailed steps of this processing method are as follows:

[0020] a. Check that the heating plate is firm and free of foreign matter;

[0021] b. Drop the waste water slag from the sludge hopper onto the heating plate until the waste water slag covers the entire heating plate;

[0022] c. Open the intake valve of the steam source of the drying device, and the serpentine tube will be heated by steam to start drying;

[0023] d. After drying, close the intake valve. Wastewater slag is dried and becomes less viscous and can automatically fall into the gypsum storage;

[0024] e. After drying, the dried waste water slag falls into the gypsum warehouse and mixes with gypsum, and is basically mixed evenly after repeated loading and unloading.

Embodiment 2

[0025] Embodiment 2: basically the same as Embodiment 1, the difference is:

[0026] a. Check that the heating plate is firm and free of foreign objects. Adjust the hydraulic lifting device, which has up and down operation switches, which can adjust the inclination angle of the heating plate to make the heating plate close to the level;

[0027] d. After drying, close the intake valve to stop drying. Adjust upward to adjust the hydraulic lifting device, make the heating plate tilt and keep the tilt angle at 45 degrees, and the waste water residue can automatically fall into the gypsum storage.

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Abstract

The invention discloses a processing method of desulfurated waste water residue. The processing method comprises the following steps: firstly dropping the waste water residue from the sludge to a heated board until the waste water residue can cover up the whole heated board; adjusting a hydraulic lifting device to enable the heated board to tilt and maintain a tilt angle; opening an inlet valve of steam source of a drying device to start drying; after the drying treatment, closing the inlet valve to stop drying and adjusting the hydraulic lifting device again to enable the waste water residue to drop in a gypsum pool; mixing the dried waste water residue dropping in the gypsum pool, and carrying out loadings and unloadings and transferring for times to realize basic and uniform mixing. The processing method provided by the invention maximally utilizes the waste water residue to turn waste into wealth, is scientific and reasonable and environment-friendly, and reasonably utilizes the existing resources without consuming new energy sources. The processing method provided by the invention has obviously economic benefit and social benefit.

Description

technical field [0001] The invention relates to the field of desulfurization and environmental protection, in particular to a method for treating desulfurization waste water residue. Background technique [0002] The limestone-gypsum wet desulfurization process is the most widely used desulfurization technology in the world. The main advantages of the limestone / gypsum method are: a wide range of applicable coal types, high desulfurization efficiency, high absorbent utilization rate, and equipment operation rate High reliability, high reliability, rich and cheap source of desulfurizer - limestone. However, the disadvantages of the limestone / gypsum method are also obvious: the initial investment cost is too high, the operating cost is high, the floor area is large, the system management operation is complicated, the wear and corrosion phenomenon is relatively serious, the by-product-gypsum is difficult to treat, and the waste water is difficult to treat . Wastewater slag con...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F11/12C02F11/00C02F103/18
Inventor 朱宏
Owner 武汉光谷环保科技股份有限公司
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