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Spray towers, also known as wet scrubbers or spray scrubbers, are air pollution control devices used to remove harmful gases and particulates from industrial emissions.These sophisticated systems effectively cleanse exhaust gases, ensuring environmental compliance and protecting public health by reducing air pollution. In this article, we delve into the intricacies of spray towers, exploring their workings, types, benefits, and applications across various industries.

Electrostatic precipitators, commonly abbreviated as ESPs, are advanced air pollution control devices that efficiently remove particulate matter, such as dust and smoke particles, from industrial exhaust gases.

The biological scrubber has the following features:

Efficient purification capacity: The bioscrubber uses the biodegradation capacity of microorganisms to efficiently remove organic pollutants in the exhaust gas, such as volatile organic compounds (VOCs), ammonia, etc. Microorganisms grow and multiply inside the tower, forming biofilms, or bio-particles, that convert organic pollutants into harmless substances.

Wide applicability: The biological scrubber is suitable for the treatment of various organic waste gases, including industrial waste gas, chemical waste gas, printed waste gas, etc. It can handle high and low concentrations of exhaust gases and adapt to different temperature and humidity conditions.

Low energy consumption and low operating costs: In the process of treating waste gas, the biological scrubber does not require external energy supply, and the microbial degradation process is natural and environmentally friendly. In addition, it does not require the use of expensive media substances and has low operating costs.

Stability and reliability: The bioscrubber has good stability and operational flexibility. The microorganism is attached to the filler or supporting material, which can adapt to different load changes and operating conditions, and maintain a high processing efficiency.

Advantages of electrostatic precipitator

1. Efficient dust removal: electrostatic precipitator equipment can efficiently remove pollutants in particulate matter and smoke, and its efficiency can reach more than 99%. This is also one of the main reasons why it is widely used.
2. Low energy consumption, low operating costs: compared with other dust removal technologies, electrostatic precipitator requires relatively low energy, low operating costs, and it does not need to consume too much auxiliary materials.
3. Wide range of application: electrostatic precipitator technology can deal with various types of pollutants, whether it is smoke, particulate matter, volatile organic matter or soot, etc., can be effectively controlled and treated.
4. Stable and reliable work: electrostatic precipitator equipment has simple structure, easy operation, stable and reliable operation, so it is often used in the control scene of particles and dust with high requirements.

Advantages of electrostatic precipitator
1. High purification rate, electrostatic precipitator can capture fine dust above 0.01 micron, dust removal rate can reach 99%, with high dust removal efficiency. Electrostatic precipitator can also increase the effective area of the electric field and lengthen the length of the electric field to meet the needs and improve the dust removal efficiency.
2. The flue gas processing capacity is large, the electrostatic precipitator can achieve large-scale device, and the maximum electric field cross-sectional area of a single electrostatic precipitator can reach 400 square meters.
3. Low power consumption. The difference between electrostatic precipitator and general dust collector is that the energy consumption of electrostatic precipitator is composed of resistance losses caused by the energy consumption of equipment, power supply devices, electric heating insulation and vibration motors. The equipment resistance loss of other precipitators is only the main energy consumption. Since electrostatic precipitators rarely replace wearing parts in general, the operating cost is much lower than that of ordinary precipitators.
4. The allowable operating temperature is very high. Under normal circumstances, the allowable working temperature of electrostatic precipitator is 250 ° C, up to 350~400 ° C.
5. The flue gas treatment range is wider, and the electrostatic precipitator can also remove formaldehyde, 

 Advantages of RTO waste gas treatment equipment

1. Efficient treatment: RTO regenerative thermal oxidizer waste gas treatment equipment adopts high temperature combustion technology, which can effectively remove harmful substances in the waste gas and achieve efficient waste gas treatment effect.

2. Energy saving: In regenerative thermal oxidizer system, the heat from the exhaust gas is recovered through the heat exchanger, which improves the energy utilization efficiency and reduces the production cost.

Desulfurizing Tower process Introduction

The flue gas enters the cylinder of the spray desulfurization tower, and forms a contact interface with the absorber slurry spray cloud in the internal rising stage of the spray desulfurization tower (the flow rate is 1.5-2m/s). The flue gas and the liquid fog particles are fully in contact with the countercurrent, and the dust particles wet by absorbing S02 and trapping dust particles flow down into the bottom of the desulfurization tower in the process of fog particles landing, and are discharged into the sedimentation tank from the overflow hole. The purified gas rising in the cylinder is defogged and dehydrated by the gas-water separator to complete the whole dust removal and desulfurization procedure, and then is led out through the upper cone part of the cylinder. The waste liquid is discharged into the sedimentation tank through the overflow hole at the bottom of the cylinder, (the overflow hole has water seal design to prevent air leakage, and is equipped with a cleaning hole to facilitate the cleaning at the bottom of the cylinder) after precipitation (ash removal) and alkali (regeneration) recycling. At the same time, in order to facilitate the maintenance of the desulfurization system and deal with emergencies, a bypass flue can be built if conditions permit.

Desulfurizing Tower System Composition

Desulfurization system is mainly composed of flue gas system, absorption oxidation system, slurry preparation system, by-product treatment system, wastewater treatment system, public system (process water, compressed air, accident slurry tank system, etc.), electrical control system and other parts.

Zeolite Rotor Concentrator System Applicable Industries: spray painting, printing, chemical industry, injection molding, circuit board, surface coating, coating ink, etc VOCs waste gas treatment.

Product features: Zeolite Rotor Concentrator System suitable for the treatment of large exhaust air volume, low concentration of organic waste gas.

Zeolite Rotor Concentrator System Purification efficiency: ≥95%

Project introduction: When the zeolite rotary adsorption runner is working, the adsorption and desorption process is continuously carried out, and the concentration fluctuation of the desorption concentrated exhaust gas is small, which avoids the concentration fluctuation formed by the fixed adsorption bed during the desorption, which is conducive to the control of the stability and normal operation of the whole zeolite rotor concentrator system, and can protect the stability of the heat output of the subsequent treatment unit.

1. The Zeolite rotary concentration with catalytic combustion system adopts PLC automatic combustion control, fully automatic control, stable operation.

2. The Zeolite concentration multiple reaches 5-20 times, so that the original large air volume, low concentration of VOCs waste gas, converted into low air volume, high concentration of waste gas, greatly reduce the specifications of post-processing equipment, low operating cost.

3. The pressure drop generated by the adsorption of VOCs via zeolite runner is very low, which can greatly reduce the power consumption.

4. Zeolite rotor concentrator with catalytic combustion equipment application: petroleum waste gas, coating waste gas, printing waste gas, chemical waste gas, copper clad waste gas, industrial manufacturing waste gas source, etc.

The combination of activated carbon adsorption equipment and catalytic combustion is an efficient method to treat volatile organic compounds (VOCs) in various industries. This advanced technology is widely used in spray painting, printing, chemical production, injection molding, circuit board manufacturing, surface coating, coating and ink production and other industries.

The main feature of this equipment is its ability to handle large air volumes containing low concentrations of organic waste gas. Its purification efficiency is impressive, reaching as low as 95%. The working principle of the system involves activated carbon desorption regeneration and catalytic combustion processes.

The adsorption device is equipped with a set of spare adsorption boxes. When the activated carbon is saturated, the control valve switches to the catalytic combustion desorption state. The saturated activated carbon is then heated and decomposes higher concentrations of organic gases. The desorption circulation fan introduces the desorption gas into the catalytic combustion bed, where organic matter is efficiently decomposed. After desorption, the activated carbon box is ready for the next cycle, ensuring continuous and efficient operation.

Baghouse Filtration Systems Applicable industries: food, furniture, pharmaceutical, feed, metallurgy, building materials, cement, machinery, chemical, electric power, etc.

Pulse Jet Bag Filter Features: high dust removal efficiency, strong ash removal ability, stable and reliable operation.

Bag Filter Extraction System Purification efficiency: ≥90%.

Baghouse Extraction Systems Project Introduction: Pulse jet bag filter dust collector is a kind of common dust removal equipment, mainly used for the purification of various granular and dust-like materials in industrial production. It can filter the dust and other harmful substances in the gas to achieve the purpose of purifying the gas. Pulse baghouse dust collector is filtered by pulse jet dust removal principle.

This biosolids waste gas treatment equipment uses microorganisms to decompose odor, and the solution is suitable for treating sewage odor gas with complex composition and large flow rate. biological deodorization control system has low operating cost and easy operation.

The biological waste gas treatment sewage odor deodorization system is applicable for: farms, breeding, slaughtering, feed, food, plastic, chemical, pharmaceutical, meat processing, sewage treatment, garbage transfer station, etc

Biological sewage odor control treatment system solution features: high deodorization efficiency, low operating cost, no secondary pollution.

Biological waste gas Treatment Equipment Purification efficiency: ≥90%

Sludge treatment refers to the process of treating sludge produced during sewage treatment. These sludges contain a large amount of water, organic matter, inorganic matter, and microorganisms. If they are directly discharged or disposed of without treatment, they will cause serious pollution to the environment.

Belt filter press, also known as belt filter, is a kind of pressure filter equipment that uses filter belt for filtration, which has the following advantages:

1. High filtration efficiency: the belt filter press adopts the way of high pressure filtration, which can effectively squeeze out the water in the aqueous substance, so that the material can be dried quickly, so as to improve the production efficiency.

2. Good purification effect: the belt filter press has the characteristics of high precision and high dehydration efficiency. Belt filter press can not only filter water, but also remove other impurities in the material, has a good purification effect. It can effectively filter out the solid or particulate matter suspended in the liquid, and the quality of the goods produced is more guaranteed.

3. Simple operation: the operation of the belt filter press is very simple, only need to put the water-containing material into the machine, set the relevant parameters can start filtering, and the equipment has automatic control system, can reduce the labor intensity of workers.

4. Durable: the belt filter press has high durability and long service life, which can realize uninterrupted production operation and save the trouble of replacing equipment.

5. Energy saving and environmental protection: the belt filter press only needs to be cleaned regularly when working, which reduces the pollution to the environment and goods, and also reduces the waste of energy.

6. Wide range of application: the belt filter press is suitable for filtering all kinds of water-containing materials, not limited by material viscosity, size, shape and other factors, with great adaptability. Belt filter press is suitable for handling various types of liquids, such as chemicals, food, pharmaceuticals, cosmetics, etc.

Belt pressure filter is an efficient and energy-saving solid-liquid separation equipment, which has the following characteristics:

1. Belt filter press has the characteristics of large processing capacity, high dehydration efficiency and long service life.

2. Belt filter press has strong processing capacity, less energy consumption and low operating cost.

3. The unique inclined elongated wedge zone design, more stable operation, large processing capacity.

4. Multi-roll diameter decreasing type backlog roller, compact layout, high solid content of filter cake.

5. Belt filter press is equipped with new automatic correction and tightening system, working smoothly. Greatly improve the life of the filter belt.

6. The belt filter press adopts two sets of independent backwashing system. In addition, stable operation, less use of chemical agents, economic and reliable, wide range of application, less wearing parts, durable is also the reason why the belt filter press is widely used.

Belt dryer is a common drying equipment. Its working principle is to send the high humidity material into the dryer through the conveyor belt. After heating, the water gradually evaporates, and then the moisture is discharged through the exhaust fan, so as to achieve the purpose of drying.

Specifically, the belt dryer is mainly composed of conveyor belt, heater, fan and so on. The material is transmitted to the heater through the conveyor belt, and the water on the surface of the material begins to evaporate after being heated by the hot air in the heater. As the material moves, the water gradually evaporates until the material is completely dry. The exhaust fan pulls the air with water vapor out of the dryer, so as to ensure that the relative humidity inside the dryer is lower than the ambient humidity and ensure the drying effect of the material. Finally, the material is exported from the outlet of the dryer and the whole drying process is completed.

Belt dryer has the advantages of fast drying speed, high efficiency and good drying quality, which is widely used in food, chemical, pharmaceutical and other industries. At the same time, when using the belt dryer, it is necessary to pay attention to the input amount of materials, temperature, humidity and other factors to ensure the stability of the drying process and the drying effect of materials.

1) Horizontal thin film drying system has good airtightness, can achieve strict oxygen content control and high safety. It is one of the safest drying processes in the field of sludge drying today.

2) Horizontal thin film drying process sludge drying equipment is the development trend of sludge treatment and disposal, which has obvious advantages in safety, stability, reliability, advanced and other aspects. The application of horizontal thin film drying process in cooperative sludge disposal is a scientific and reasonable choice for sludge treatment and disposal today.

3) The coupling is used to connect the main shaft of the thin film drying machine with the reducer, which makes the thin film drying machine more stable in operation and enhances the stability of the reducer. The expansion coupling sleeve is used to connect the main shaft of the thin film drying machine, which reduces the friction loss between the main shaft and the bearing. The structure is simple and easy to use.

4) In the sludge mixing and firing power generation project, the control of dry sludge form and moisture content is very critical, which will affect the operation of the subsequent incineration system of the drying system. On the one hand, the horizontal thin film drying process can generate granular products with uniform particle size and no dust, and on the other hand, it can quickly realize the adjustment of moisture content by changing the steam pressure and the speed of the two-stage linear drying machine. The good control of the shape and moisture content of the dry sludge can ensure the stable operation of the whole system.

Automatic control system

The control cabinet of the decanter centrifuge has a built-in PLC programmable controller, which can fully control the main motor, auxiliary motor and flushing valve and other equipment, and input various parameters through the man-machine interface, while monitoring the running status of the equipment. The controller will automatically alarm and display fault information, and the decanter centrifuge has the characteristics of self-diagnosis and easy operation and maintenance.

Variety spiral outlet

The screw conveyor adopts different types of discharge ports according to different industries, such as vortex type, square cemented carbide and ceramic. The discharge port of vortex structure can improve the processing capacity and reduce sludge crushing and flocculation consumption, square carbide discharge port is easy to disassemble and reuse, and ceramic wear-resistant sleeve has the characteristics of wear resistance, corrosion resistance and hygiene level requirements.

We offer a wide range of decanter centrifuges for water treatment, including products suitable for small and medium-sized sewage treatment plants, large water treatment systems, high concentration organic sewage treatment and high concentration sludge dewatering treatment. Each series of products has different processing capacity and scope of application, and can be customized according to the special needs of customers.

Many decanter centrifuge product lines, including ordinary type, food grade and explosion-proof grade and other series. Our equipment has compact structure, excellent performance and strong adaptability. At the same time, our centrifuge design is unique, and equipped with automatic control system, can help customers improve production efficiency, reduce energy costs, ensure production quality and safety.

Decanter centrifuge is often used in chemical, pharmaceutical, environmental protection, food and other fields, mainly used to separate liquid and solid particles, such as resin, sludge, fermentation liquid, metal and non-metallic ore, etc. To achieve the purpose of separation, concentration and purification. The equipment has the advantages of simple operation, large processing capacity and good separation effect.

Filter press sludge dewatering machine is a widely used equipment in industry, which can effectively separate solids from liquids. Filter press functionality is derived from high-pressure operation, which compacts the solid filter cake and minimizes moisture content. This core technology solves the solid-liquid separation problem in many industries and is an important part of industrial production.

The operation of the sludge dewatering filter press consists of several steps. First, the slurry (a mixture of solid and liquid) is delivered to the filter press under high pressure. Then, the corresponding filter media (such as filter cloth) will trap the solids in the slurry and allow the liquid to pass through. The separated liquid, also called filtrate, is discharged through a system of pipes. In this process, the high pressure not only effectively separates the solid, but also compreses the moisture of the filter cake and improves the drying degree of the filter cake.

The hollow paddle sludge dryer is a kind of horizontal stirring continuous sludge drying equipment mainly based on heat conduction. Because the stirring blade is like a boat oar, it is called paddle dryer, also known as trough dryer or stirring dryer.

Paddle dryer can indirectly heat or cool paste, granular, powder, slurry materials, can complete drying, cooling, heating, sterilization, reaction, low temperature combustion and other unit operations. The special wedge-type stirring heat transfer slurry blade in the hollow blade dryer equipment has high heat transfer efficiency and self-cleaning function of heat transfer surface.

The application industries of paddle sludge dryer machine:

Hollow paddle dryer equipment is widely used in petrochemical, chemical, metallurgy, food, medicine, pesticide and other industries in the powder, granular, filter cake, slurry material drying. Our company's technology research and development center after a variety of different forms of sludge small-scale drying test, for specific sludge, on the basis of hollow paddle dryer, developed the RD multi-layer multi-stage multi-effect dryer technology and equipment suitable for environmental protection industry.

Integrated screw type sludge dewatering system is a mobile vehicle type sludge dewatering system developed from the perspective of saving investment costs for customers. The equipment is convenient to move and can serve different sewage treatment plants. The integrated stacked screw sludge dewatering system is mainly composed of stacked screw sludge dewatering machine, integrated dosing device, dosing pump, sludge pump and transport vehicle.

1.Sludge Dehydrator Sludge Dewatering Treatment System is closed operation, reduce waste gas odor generation.

2.Sludge Dehydrator Concentrating Equipment is low energy consumption, low operation cost, low vibration, low noise.

3.Screw Press Sludge Dehydrator Machine is less vulnerable parts, low maintenance cost, long service life.

4.Screw Sludge Dewatering Machine is automatic control, continuous operation, maintenance and management is simple

5.Screw Press Sludge Dehydrator Sewage Sludge Dewatering Equipment can move randomly, convenient

The application industries of screw type sludge dewatering machine:

municipal sewage, domestic sewage, food, beverage, chemical industry,

leather, welding materials, papermaking, printing and dyeing, pharmaceutical, electroplating, oil field, coal mine,

wine, animal husbandry, kitchen waste water,

water plant, power plant, steel plant, etc