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Submitted by L. Boyce
scroll vacuum pump working principle
scroll vacuum pump mainly includes left stator, right stator, rotor, crankshaft, anti rotation mechanism, air inlet, exhaust port and other parts. The gas is compressed in the crescent cavity composed of a vortex stator and a vortex rotor. The vortex stator is fixed on the periphery of the frame, and an air inlet is arranged around the vortex stator, and an air outlet is arranged at the center of the rotor and the stator vortex body. With the rotation of the crankshaft, the vortex rotor takes the eccentricity as its radius and makes a revolution around the stator center. In addition, the vortex rotor is restrained by the anti autobiographical structure, so it can not autobiographically, and always maintains a fixed posture, in which the center moves around the center of the vortex stator in a circle with a radius of R.
When the scroll vacuum pump is running, the vortex lines of the two vortex stators and the vortex rotors are basically the same. As long as the phases of the two are staggered 180 ° and the centers of the two are kept together R, they can be combined. Results a series of crescent shaped compression cavities were formed between the two vortices. Every 90 ° rotation of the center of the vortex rotor makes a circular motion in a clockwise direction. After the suction, the compression chamber of the outer circumference of the vortex is in a closed state. Therefore, it can be assumed that the volume of the compressor chamber becomes smaller as it moves towards the center.
A compression chamber from the suction, compression, and finally exhaust the whole process. In order to reduce the weight of the pump scroll body, the base material is aluminum, and a layer of polytetrafluoroethylene with special performance is coated on the surface to increase the wear resistance and corrosion resistance. The pressure difference between the adjacent working chambers of the vortex body of the pump is small, so the gas leakage is small, the driving torque of the pump changes little, so the noise and vibration of the pump are low.
The pump is characterized by light weight, small volume and horizontal structure. It can be directly pumped to 10-1pa from atmospheric pressure. It is a dry vacuum pump with a wide range of use.
How to develop 2BV water ring vacuum pump
Now 2BV water ring vacuum pump is widely used in petrochemical, pharmaceutical, food, sugar industry and other fields, mainly used in vacuum filtration, vacuum distillation, vacuum disinfection, extrusion molding, food processing, liquid degassing and so on. Let's take a look at how such an easy-to-use product is developed:
1. For the design and production of 2BV water ring vacuum pump, many production enterprises have experienced a long research process, and there are many failures in this process. In the face of failure, the R & D department will summarize these problems, analyze various aspects of different problems, and study the performance, configuration, use requirements and other aspects of the unit, only these are not The same failure is beneficial to make the unit grow faster and play a better role.
2. This detailed research and development process provides a good foundation for the application of 2BV water ring vacuum pump. After long-term repeated tests, its performance has been greatly improved, and it also plays an important role in production with strong advantages.
3. The production of 2BV water ring vacuum pump has also passed many inspections and tests. The long-term production experience has brought the confidence that the operators must win. It is the existence of this confidence that makes the growth of 2BV water ring vacuum pump have a certain foundation. It has played a significant role in the parts processing and assembly details, and brought infinite for production Value.
- 2BV Water Ring Vacuum Pump Precautions For Installation
- Water Ring Vacuum Pump Causes Of Automatic Trip
- How To Prevent Overload Of Vacuum Pump
Vacuum check valve
Vacuum pump equipped with the vacuum check valve is also known as one-way valve or check valve, its role is to prevent the medium flow back in the pipeline. It is also a check valve. Vacuum check valve is widely used in vacuum pump.
In the process of starting and stopping the vacuum pump, the vacuum check valve can better protect the pump and the pumped system, so as to make the vacuum pump play better performance and increase the service life. The opening and closing parts open or close automatically by the medium flow and force to prevent the reverse flow of medium is called check valve.
Check valve is an automatic valve, which is mainly used in the pipeline with one-way flow of medium. It only allows the medium to flow in one direction to prevent accidents. According to the structure, vacuum check valve can be divided into lift check valve, swing check valve and butterfly check valve. Lifting check valve can be divided into vertical and horizontal two kinds.
Heater and heating power of oil diffusion pump
Compared with the diffusion radiation pump, the pumping capacity and maximum outlet pressure of the oil diffusion pump are much lower, so the heating power of the pump is also lower. The boiler diameter of oil diffusion pump is usually equal to (less than) the diameter of pump port. The heat load of oil diffusion pump boiler with pumping speed greater than 500L / s shall not exceed 2-2.5w/cm2
In the oil diffusion pump, the power consumed by oil evaporation is usually 60% - 70% of the total power, and other parts are used to compensate for various heat losses. In the diffusion pump, the heat loss mainly includes the following aspects: the heat conduction from the heater surface through the boiler wall to the outside (20% - 25%); the heat transfer from the hot boiler to the cold pump body along the pump wall (10% - 15%); the radiation from the guide pipe surface to the pump wall and the heat transfer from the gas and steam mixture from the guide pipe to the pump wall (5% - 10%). If the pump results are good, the heat loss can be reduced to 10% - 15% of the total power.
For example, the heat loss can be obviously reduced if the heat insulation of pump heater and boiler is stopped. Assuming that there is no air layer between the bottom of the boiler and the heater, the heating power can be well applied.
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Recycling has become a vast market, providing various types of returns. There are a multitude of different types of recycling companies, and each of them has different levels of profitability, but plastic waste recycling plant setup companies are the most profitable recycling companies.
Understanding IP private branch exchange (PBX)
Private branch exchanges (PBXs) handle call switching and routing within an organization, and IP PBX systems are the next generation of Internet-based PBX communications. </ p>
To provide the cost savings of IP-based phone calls for small companies, But as the organization grows, users will want to look at more sophisticated options, the same as if using a public switched telephone network (PSTN).</ p>
Medium- to large-sized businesses have long used private branch exchange (PBX) switchboards to route incoming calls from a number of external lines among a larger number of internal lines. This saves money because there's no need to have a separate line for every employee, and makes line sharing more efficient. Most systems in use today are technically PABX, which means the call routing is automated, rather than dependent on a human switchboard operator.</ p>
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pFOkUS - an American Success Story
What began as a small startup in 2012 is today scaling heights. pFOkUS- one of the leading stone, tile, grout, brick, tub and glass restoration products manufacturing companies in the US had humble beginnings around 8 years back. But, consistent passion and zest for excellence in quality helped us gain a substantial position on the market. We take a moment to share with you how it all began. Your love and support have helped us reach where we are today and it is with you that we would like to share our success story.
Humble Beginnings
Often an invention or creation happens when the inventor personally faces some problems. Our CEO, just like many other home and commercial complex owners always desired to have the premises clean and sparkling. After having tried various hard surface restoration products, such as water based sealers, acidic cleaners, silicone caulk, she was not completely satisfied with the results. Everytime she would go to the Big Box Stores to try a new product that would render good cleaning or sealing results, but to no avail. It was at that time this noble thought popped up in her mind. ‘Why not develop cleaning and sealing products that give better results than any of these?’
The basic problems she found with the commercially available products were:
- Acidic cleaners managed to remove the stains only from the top of the surface, while natural stone tile and porous grout allow stains and mold to breed deep within their pores, deteriorating their surfaces within a few months.
- Acidic products often caused etching marks on glass, tile and grout.
- Regular products discolored tile and grout.
- Sealers available on the market would peel off within months, again leading to stains and mold. This leads the customers to invest in these products repeatedly to protect their surfaces. This could be a marketing gimmick to get continuous business or it could also be that they still haven’t figured out a way to develop permanent tile and grout sealers.
- Both acrylic or silicone caulk are very temporary. They tend to peel off or crack within a few months, leading to leakage from shower corners, blackish and deteriorated grout joints and horrible mold.
- Grout sealers available on the market provide temporary results, causing grout to go missing or crack in some months. Contractors would then advise regrouting to restore the grout. This process would get the customers in a continuous loop and subsequently, recurring need for grout restoration products.
As all these points were forming a concrete base on our CEO’s mind, it all began. She formed a team and decided to create a company that would sell restoration products that would put an end to all the above-listed problems. We thought of coming up with permanent solutions. We considered the above problems list as a checklist to ensure that our product range did not have any of the above issues. After years of research, we managed to create a product range of revolutionary cleaners and sealers.
Our Pride, pFOkUS Product Range
- To put an end to useless acidic cleaners that only damage surfaces, we were successful in creating Imperia Deep Clean. This is our deep penetrating cleaner that soaks deep into the pores of tile and grout and eliminates all traces of mold and stains within. Imperia Deep Clean has an alkaline base and does not cause etching marks. It is tough on the stains and gentle on the surface, thereby leaving a sparkling surface after cleaning.
- Our next revolutionary product is Sentura - a 2 part pigmented solvent-based flexible epoxy resin based on a 1200psi adhesion. It delivers permanent grout restoration results. You can use it to seal cracks and missing spaces in grout. Sentura also delivers amazing and seamless results for cracked tile repair. It does not pop off from the surface, nor does it appear bulky. We also call it our absolute caulk replacement product. It has totally abolished the need to use caulk to seal your shower corners. Sentura can be pigmented in more than 40 hues, thereby making it possible for you to match it to your tile color.
- We also manufactured Caponi - a 2 part pigmented titanium solvent-based grout sealer that is not like any other water-based sealer. As it is made from epoxy/resin, it delivers permanent results for grout sealing. It is available in more than 40 shades and can be pigmented with Sentura to color seal your grout.
- After these restoration products for tile and grout, we have also manufactured tile sealer - Celine, a clear, topical solvent-based tile sealer that makes the tile surface water-proof.
- We have also manufactured a range of glass restoration products like Benaz - glass cleaner and Valore - glass sealer. Benaz imparts ideal clarity to your glass surfaces, while Valore makes them waterproof, thereby preventing further staining.
- Our maintenance products like Imperia Maintenance and Valore Maintenance can be used for light daily cleaning and weekly maintenance of your tile, grout and glass surfaces, to remove the superficial dirt and stains. Of the two, Valore Maintenance is stronger as it has 6.97% H2O2 at the molecular level. Both these products are combinations of cleaners and sealers.
- We also manufacture glass door enclosures such as thresholds, drip rails, seals and sweeps to prevent leakage from your shower doors.
- You can also buy Alco - paint thinner, paint brush - grout painting brush and grout brush - grout cleaning brush to enhance your restoration experience.
Our product range has given us a good brand image on the market. We have won the trust and faith of our customers. We are also continuously working on our product range to implement new products. Recently, we launched Merano - a great tile polishing product, that will be soon launched on our portals. We strive for constant upgradation and excellence. It is this spirit that has helped us reach where we are today.
pFOkUS Journey and Relationship with D’Sapone
D’Sapone - a paramount stone, tile, grout, brick, tub and glass restoration services provider in the US, established in 2005, were so impressed with our products, that they signed an exclusive deal with pFOkUS to only use our products for their services. They have their own patented procedures and using our products, they offer the best hard surface restoration. They are so sure of our products that they even offer a 5-year labor warranty on their services.
pFOkUS’ strategy is to provide our customers with innovative and efficient solutions to deliver a natural luster and complete cleanliness on grout, tile, stone and glass surfaces. We have perfected and excelled our formulations and ensured to give the best to our customers. Our customers’ trust in us boosts our morale and pushes us to get better with time.
Why is a Hotel Phone System Important
The role of a hotel telephone system has changed dramatically since the rise of smart phone technology – with guests preferring their mobile phones over traditional hotel systems. But don’t be fooled – even though it’s no longer a direct revenue-earner, choosing the right telephone system is no less critical to your hotel’s overall success, whether it’s traditional, hosted or a cloud based solution or taking advantage of overhead savings using SIP.
Having a flexible and modern phone system is crucial to the growth of your hospitality service. This system plays a variety of roles in your hotel’s economy – from delivering outstanding guest experience, to integrating with your CRM system, it’s important that you choose the best hotel phone system to suit your individual requirements.
Our effective hotel phone systems have a range of features to help support your business.
