Liquid Ring Vacuum Pump for Paper Machine

• After-sales Service: Warranty
• Warranty: 1 Year
• Certification: ISO 9001:2000, ISO 9001:2008
• Surface Treatment: Polishing
• Manufacturing Process: Casting
• Material: Stainless Steel
• Model NO.: Sun Hong
• Customized: Customized
• Condition: New
• Power: Electric
• Application: Vacuum
• Fuel: Electric
• Transport Package: Wooden Case
• Specification: made to order
• Trademark: sun hong
• Origin: China
• HS Code: 84399900

Product Description

Product Description

Liquid ring vacuum pumps are rotating positive displacement machines providing process vacuum in industrial applications such as chemical, electrical power, environmental, food & beverage processing and packaging, marine, mining, oil & gas, pharmaceutical, pulp & paper, and textiles. Liquid ring vacuum pumps utilize water or other processes compatible liquid as the sealant. The simple operation, with no contacting parts, make liquid ring vacuum pumps a safe and reliable choice for handling dirty and potentially dangerous gas streams. Liquid ring pumps are available in single and dual stage designs and also configured as compressors for even more versatility.

Principle of Operation

The seal liquid forms the ring inside a pump body as the impeller spins creating small chambers for gas to be trapped. The axis of the rotor is eccentric from the body allowing the liquid to almost fill, and then almost empty each rotor chamber during a single revolution, forming the compression of the gas for the pumping action. Vacuum inlet and atmospheric discharge ports provide flow paths for the gas mixture being handled. The heat of compression of the gas is dissipated into the seal liquid, and some of the liquid flows out to discharge. The exhaust gas and residual water discharge is separated from the gas stream and directed to the house exhaust and returned to the pump respectively. Seal fluid is replaced by a constant flow of cooler seal fluid.  

Characteristics

1.Accepts Carryover : Soft solids, moisture, slugs, chemicals and more will not harm the pump. These impurities will simply be washed out through the pump discharge. 
2.Cool & Quiet Operation : The pump runs cool owing to the circulation of the sealing water inside the pump. The operation is relatively quiet - not exceeding 85 dBA. 
3.Constant Operation For Any Vacuum Level :Pump can operate constantly and continuously at any vacuum level - from 29 in. Hg to atmospheric pressure. 

4.Easy Maintenance & Longer Pump Life - Liquid ring vacuum pumps are robust in construction and have only one moving part, the rotor, which is mounted on a shaft supported by a set of bearings designed for a long service life of continuous operation. This benefits the user with less wear and simpler, affordable maintenance. 
5.Environmental - Pumps do not require an oil change, filter, oil-pans, condenser or etc. For that reason, plant rooms run clean, free of oil contamination and oil discharges to sewers. 

Technology Behind Vacuum Pump

The design technology behind liquid ring vacuum pumps is advanced to achieve optimum, reliable performance for the rigorous demands of harsh industrial environments. Liquid ring vacuum pumps are an economical and robust solution engineered to meet specific customer requirements. 

Dry air or a dry gas mixture is compressed from vacuum to atmospheric pressure in a liquid ring pump much the same way as it would be in any other displacement type pump, except that there is less of a temperature rise of the gas stream through the pump.Humid air or gas mixtures containing condensable vapor behave quite differently. Some of the vapor that enters a liquid ring pump condenses when it is cooled by the lower temperature seal liquid. The condensate mixes with the seal liquid. Now, it occupies a much-reduced space as contrasted with its former volumetric dimension when it was a component of the inlet gas stream. This volumetric reduction becomes a capacity bonus.

 The only vapor that can be condensed early enough to escape compression contributes to the inlet capacity bonus. In each rotor chamber, the condensation must occur before that chamber passes its inlet port. Any condensation that occurs after the cutoff will not have an effect on pump inlet capacity.
 Liquid ring vacuum pumps can handle large amounts of liquid through its inlet port with a negligible reduction of gas capacity. To maximize the condensation bonus some of the liquid is often sprayed into the inlet piping, upstream of the vacuum pump itself. 

Application

1. Soil purification, disinfection, dehydration, Filtration, extrusion / vacuum forming, dipping, extraction,

pressure swing adsorption decarbonization, hydrogen extracting, oxygen producing, purification and etc.

2. Desulfurization device in fly ash treatment;

3. Acetylene and other flammable and explosive special gas compression, ozone compression

4. Pulp and paper industry;

5. Gas recovery field;

Condenser vacuum suction usage;
 

Product Parameters

Model	Air Exhaust Speed (m^3/h)	Ultimate Vacuum/pa	Power/KW	^Speedthe Volume of  Water(m3/h)	Weight/KG
SZ-0.3	20	4000	0.75	2820	32
SZ-0.5	40	4000	1.5	2840	40
SZ-1	60	4000	2.2	2840	55
SZ-1.5	90	4000	3	2890	75
SZ-2	120	4000	4	2890	80
SZ-3A	180	4000	5.5	1440	110
SZ-4	270	4000	7.5	1440	145
SZ-6	360	4000	11	1460	220
SZ-7	420	4000	15	1460	250

Company Profile

Established in 2010, Sun Hong Group is a comprehensive company integrating planning, design, technical support, production, testing and training. We have a professional technical team to provide you with professional design and technical support as well as the best source of goods. After more than ten years of efforts, our products have been exported to 96 countries, and have more than 300 paper plants customers.
If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the future.