The HDCY system is a two-stage process developed by Beijing Huade Chuangye Environmental Protection Equipment Co., Ltd. specifically for treating desulfurization wastewater.

Core equipment list

Number	Equipment/components	Device Description	Amount	unit
First	First-level HDCY integrated desulfurization wastewater treatment system	HDC-A-3-0(F)	1	Set
1	One-stage high-efficiency reactor	Effective volume: 3.5m³, size: 1.2x2.4x1.5m, carbon steel lined with rubber	1	Unit
2	First level mixer A	Size φ600x1200mm, rotation speed 70rpm,	1	Unit
		Fixed frequency 50hz, material: current parts 2205
3	First-level mixer B	Size φ600x1200mm, rotation speed 150rpm,	1	Unit
		Frequency conversion 0~50hz, material: current parts 2205
4	Dry powder dosing machine	Drug storage volume 100L, feeding speed: 0~3kg/h, material 304, auxiliary devices: moisture-proof heating, vibration motor, low material level switch, frequency conversion	1	Unit
5	First level lift pump	Flow rate 3m³/h, lift 20m,	2	Unit
		Frequency conversion 0~50hz, material: current parts CR30
6	One-stage high-efficiency cyclone clarifier	Processing capacity: 3m³/h, size: φ1.5x4.7m, material: carbon steel lined with rubber.	1	Unit

Second	Secondary HDCY integrated desulfurization wastewater treatment system	HDC-A-3-0(F)	1	Set
1	Two-stage high-efficiency reactor	Effective volume: 3.5m³, size: 1.2x2.4x1.5m, carbon steel lined with rubber	1	Unit

2	Secondary mixer A	Size φ600x1200mm, rotation speed 70rpm,	1	Unit
		Fixed frequency 50hz, material: current parts 2205
3	Secondary mixer N	Size φ600x1200mm, rotation speed 150rpm,	1	Unit
		Frequency conversion 0~50hz, material: current parts 2205
4	Dry powder dosing machine	Drug storage volume 100L, feeding speed: 0~3kg/h, material 304, auxiliary devices: moisture-proof heating, vibration motor, low material level switch, frequency conversion	1	Unit
5	Secondary lift pump	Flow rate 3m³/h, lift 20m,	2	Unit
		Frequency conversion 0~50hz, material: current parts CR30
6	Two-stage high-efficiency cyclone clarifier	Processing capacity: 3m³/h, size: φ1.5x4.7m, material: carbon steel lined with rubber.	1	Unit

Third	Dosing system
1	Lye	Flow rate 50L/h, lift 35m,	1	Set
	Dosing system	Frequency conversion 0~50hz, material: pump head PTFE
2	Fluoride remover	Flow rate 50L/h, lift 35m,	1	Set
	Dosing system	Frequency conversion 0~50hz, material: pump head PTFE

Key Features:

Integrates various water treatment technologies like coagulation, flocculation, and chelation sedimentation.
Uses a single, specially formulated dry powder flocculant (dosage: 200ppm-300ppm) that simplifies the process and reduces costs.

Advantages of the flocculant:

Neutral, inorganic, and environmentally friendly.
Made from natural minerals with high adsorption capacity.
Removes COD, total phosphorus, SS, fluoride, heavy metals, and other pollutants.
Improves flocculation and sedimentation.
Simplifies water quality control during process fluctuations.
Renders settled heavy metals permanently harmless.

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