What are the applications of manual slag discharge centrifugal separation filter in the chemical ind
The manual slag centrifugal separation filter is a commonly used solid-liquid separation equipment in chemical production. With its advantages of simple structure, convenient operation, no consumables, adaptability to small and medium-sized production capacity, and high filtration accuracy (can separate impurities of more than 5 μ m), it is widely used in various sub fields of chemical industry. Its core is used for solid-liquid separation of materials, impurity removal, solvent recovery, and material purification, especially suitable for small batch, multi variety production scenarios, or working conditions with limited space and no need for continuous automated slag discharge. The specific application scenarios are as follows:
1、 Petrochemical industry (core application scenarios)
This field is the main application scenario of manual slag centrifugal separation filter machines, mainly used for oil purification, impurity separation, and by-product recovery, suitable for small and medium-sized production and on-site online filtration needs:
1. Oil filtration and purification: used for impurity cleaning of industrial oils such as lubricating oil, hydraulic oil, drawing oil, forming oil, rolling mill oil, quenching oil, etc. It can quickly separate pollutants such as metal particles, carbon slag, sludge, etc. in the oil without the need to replace filter screens, filter cores and other consumables. It can maintain the cleanliness of the oil to NAS5-9 level (better than the new oil standard), extend the service life of the oil by more than twice, reduce the cost of hazardous waste treatment and discharge, and adapt to the oil circulation and utilization in related chemical processing links such as bearings, screws, powder metallurgy, etc. For example, impurity separation in aluminum wire drawing oil can recover hard alloy chips and precious metals from the oil, achieving resource reuse. The equipment has a small footprint and is easy to move, allowing for fixed or mobile online filtration.
2. Coal tar treatment: Used for three-phase separation pretreatment or small batch treatment of tar, ammonia water, and tar residue. The tar residue (solid phase) is separated to the drum wall by centrifugal force, and manual slag discharge can be completed. The separated tar can have a water content of less than 2% and an ash content of less than 0.1%, reducing the cost of cleaning oil storage tanks and achieving ammonia water recycling. It is suitable for small and medium-sized tar processing enterprises and balances environmental protection and cost control.
3. Crude oil and solvent recovery: solid-liquid separation of small batches of crude oil and solvents (such as acetone and ethanol) to remove sediment and mechanical impurities, improve the purity of crude oil and solvents, facilitate subsequent processing or recycling, especially suitable for solvent purification in laboratory level and small-scale production. The operation is simple and can avoid solvent waste.
2、 Chemical industry field
In chemical production, there are many types of materials, multiple batches, and moderate production capacity. The flexibility advantage of manual slag discharge centrifugal separation filter is highlighted, mainly used for intermediate purification, impurity removal, and raw material pretreatment:
1. Chemical intermediate separation: used for solid-liquid separation of crystallization liquids such as antibiotic intermediates and pesticide intermediates. For example, the filtration of antibiotic intermediate crystallization liquids (solid content 25% -30%, particle size D50 about 50 μ m) can separate solid intermediates. Manual slag removal can reduce damage to crystals, ensure product purity, adapt to small batch and multi variety intermediate production conditions, and make up for the problem of insufficient adaptability of fully automatic equipment.
2. Production of pigments and dyes: During the synthesis process of pigments and dyes, the solid pigments and dye particles after separation reaction are separated from the mother liquor to remove impurities and unreacted raw materials, improve product color and purity. Manual slag discharge can flexibly control the slag discharge cycle, adapt to the production needs of different batches and varieties of pigments, and the equipment has no consumables, which can reduce production costs.
3. Catalyst recycling: In pesticide synthesis and pharmaceutical intermediate production, the solid catalyst (such as precious metal catalyst) after separation reaction is manually discharged to recycle the catalyst, reduce raw material costs, and minimize environmental pressure caused by catalyst waste. It is particularly suitable for catalyst recycling in small-scale production.
3、 In the field of coatings, inks, and additives
This field is mainly used for raw material purification and finished product filtration to avoid impurities affecting product performance. The manual slag discharge method is easy to operate and suitable for small and medium-sized production and batch operations
1. Coating and ink filtration: removes pigment lumps, mechanical impurities, dust, etc. from coatings and inks, ensuring the uniformity and delicacy of coatings and inks, avoiding defects during spraying and printing. Manual slag removal can clean the filter residue in a timely manner to prevent blockage, and the equipment is small in size and can be flexibly placed next to the production line to achieve online filtration.
2. Purification of additives: Used for solid-liquid separation of coating additives and ink additives (such as dispersants and stabilizers), removing impurities from additives, improving their performance, ensuring their compatibility with coatings and inks, and meeting the separation needs of small-scale additive production or laboratory research and development.
3. Resin filtration: In resin production, impurities and unreacted monomers are separated after resin reaction, and resin products are purified. The manual slag removal method can flexibly control the separation accuracy, avoiding the influence of impurities on key properties such as viscosity and adhesion of resin products.
4、 Environmental protection chemical and waste liquid treatment field
The manual slag centrifugal separation filter, with its advantages of environmental protection and no consumables, is widely used in chemical waste liquid treatment and sludge separation, helping enterprises achieve environmental standards:
1. Chemical waste liquid purification: Treating solid waste liquids generated in chemical production (such as acid pickling and phosphating waste liquids, electroplating waste liquids), separating solid impurities and metal particles from the waste liquids, and making the waste liquids meet discharge or recycling standards. For example, the waste liquids containing metal wires, phosphating slag, and acidic sludge generated during the acid pickling and phosphating process of steel pipes can be separated into solid and liquid through this equipment, reducing environmental risks and recovering useful components from the waste liquids.
2. Oily sludge treatment: Used for separating oily sludge generated in petrochemical and chemical industries, separating the oil phase, water phase, and solid phase in the sludge, achieving oil phase recovery, water phase standard discharge, and sludge biscuit treatment, reducing sludge treatment costs, and adapting to small and medium-sized oily sludge treatment scenarios. Manual slag discharge can flexibly clean the sludge cake, and the sludge cake has a low oil content and can be discarded without additional oil removal treatment.
3. Wastewater pretreatment: Pre treatment of chemical wastewater before entering biochemical treatment, removing large solid impurities and suspended solids from the wastewater, avoiding impurities from blocking subsequent treatment equipment, improving wastewater treatment efficiency. The equipment is easy to operate and the slag discharge cycle can be flexibly adjusted according to the impurity content of the wastewater (usually cleaned every 3 days).
5、 Other chemical sub sectors
1. Rubber and plastic chemical industry: used for the purification of rubber and plastic raw materials, separating impurities and catalyst residues in the raw materials, and improving the strength, toughness, and other properties of rubber and plastic products; It can also be used for the recycling of waste generated in the production process of rubber and plastic, separating useful components from the waste and achieving resource recycling.
2. Laboratory and small-scale chemical research and development: Suitable for the solid-liquid separation needs of laboratories and small-scale experimental devices, used for small batch separation and purification of chemical raw materials and products. The operation is simple, easy to clean, and can flexibly adapt to the separation needs of different materials, providing better separation effects for research and development work.
3. Production of chemical auxiliary materials: Used for the separation and purification of chemical auxiliary materials (such as desiccants and adsorbents), removing impurities and unqualified particles from the auxiliary materials, ensuring the effectiveness of the auxiliary materials, and adapting to small-scale auxiliary material production. Manual slag discharge can reduce equipment investment costs and improve production flexibility.
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