Heat Exchanger in Chemical Industry/ El Intercambiador de Calor en La Industria Química

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In industrial production, in order to meet the demands of industrial process, often need to undertake a variety of different ways of heat transformation, such as: heating, cooling, evaporation and condensation, heat exchanger is used to realize the heat exchange and transmission equipment.Through a variety of equipment, while the heat from high temperature fluid is passed to the low temperature of fluid, to meet the needs of the production process.Heat exchanger is widely used in plastic heat exchanger is a kind of strong corrosion resistance, fluorine plastic heat exchanger made first in 1965 by the United States Dupont company success and implements the commercialized.Our country also invested a lot of money and manpower committed to the development of fluorine plastic heat exchanger, zhengzhou university of technology in 1985 successfully developed "teflon (hereinafter referred to as a 4) F tube plate limit expansion pressure heating welding process, solves the fluorine plastic tube to tubesheet connection of key technology.Subsequently, domestically produced various types of fluorine plastic heat exchanger are put into actual production application and achieved good effect.Currently, fluorine plastic heat exchanger by manufacturers from a single on-demand production and development to the enterprise standard control of the modular design of series production.The traditional heat exchanger compared with fluorine plastic heat exchanger has many differences.Such as common metal heat exchanger with easy to corrosion and heat transfer coefficients by defects such as dirt layer thickness varies: made of nonmetal materials such as heat exchanger is fragile, bulky, and low efficiency of defects;With you, the heat exchanger of rare metal materials because of its expensive to popularization and application.While fluorine plastic heat exchanger can make up for the defects in large extent.Ceng heater, a heat exchange device, can also be called heat exchanger (heat exchanger), the "heater" gas not electricity, connection on the heating pipe, heating temperatures of hot water and tap water in heat exchange equipment inside, can be continuous use of hot water.


We have organized several common questions for our clients,may help you sincerely:

①How about your company?

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel,is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,America and Japan. OEM casting and forging service available according to customer’s requirements.

②How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible. The pecific time of receiving is related to the state and position of customers.Commonly 7 to 10 working days can be served

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Q:Must SF6 stored in containers be emptied upon use when refilling electrical equipment?
Check the MSDS sheet for safe transport. Is a seal broken before use? Do the containers get returned after use or are they discarded (how?). Your local power company must have info because they use this stuff at switching stations.
Q:What exactly is a procurement engineer?
You will probably be responsible for specifying electrical equipment required for purchase for various projects, for recommending various vendors to obtain bids from, for putting request for equipment bid packages together, and then for making recommendations for which vendor(s) to buy from. Seems like you should have asked your employer what your duties would be.
Q:How can we prevent or cope with EMP (electromagnetic pulse)?
The worst of the pulse lasts for only a second, but any unprotected electrical equipment — and anything connected to electrical cables, which act as giant lightning rods or antennae — will be affected by the pulse. Unprotected being the operative word -- put Uninteruptable Power Supplies (UPS) on your equipment. They come in various sizes and daily spare the equipment from spikes and drops. If the EMP hasn't fried it, you would have enough time to shut down your equipment without damage to it. But I don't know if they are built to resist the EMP. All of the data that is needed to protect the country is backed up on servers located much further away from their main location. They do have UPS's on all the equipment, and generators to keep the equipment and data protected. If a nuclear explosion took out one site, it is doubtful that it would take out the mirror(s). If I were that close, I don't know that it would matter to me anyway.
Q:Is it okay to set a xbox 360 right next to a playstation 2?
All electrical equipments produce electromagnetic static, I recommend you to keep a fair distance between your 360 and PS2 just to be sure that static from the equipments don't affect each other. Remember that old television sets produce a lot of static so you should keep away your 360 away from your tv also. Good Luck!
Q:In MI would a landlord be requird to update electrical circuits w/ no grounds after equipment damage?
If there are NO grounds, as you say, in the building, then anything metal that you touch would be electrified. You would be electricuted. So I find it hard to believe there are no grounds. Depending on the type of equipment you are talking about, make sure that you have the correct ampage. You cant run a 220 electrical appliance on a 110 line. All you are going to do is blow fuses or your equipment. You could also start a fire. As to the answer, Landlord is completely correct. As long as the home meets city code and passes inspections (required in MI for all landlords), then no, the landlord does not have to update the building wiring. I have 13 homes in 4 different cities in MI that I rent out, they are inspected every year or 18 months by law, and if the electrical is not up to code, then noone can live there due to the danger of fire, until it is brought up to code. And the inspectors are hard on landlords when it comes to repairs. Finish out your lease and then move if you are so unhappy. But NO, you cant break your lease because of this.
Q:Which of the following is a step you should take to properly lockout/tagout electrical equipment and machienry?
The answer is B. Enable backup energy sources, such as generators and batteries to properly lockout and tagout electrical equipment and machinery. Hope this helps! A good website for you if you do electronic testing is Caltest which supplies all kinds of electronic test equipment. :) caltest.co.uk/
Q:Do you think your coffee machine has a mind of it's own?
LOL ! Good morning Clo ! I think I told you I bought a new one two weeks ago. IT even tells me in the morning: Good morning Jessica, you look stunning today!
Q:Are most electrical things from China dodgy to buy?
the us is in a recession; NOTHING should be bought from China. also, China is a COMMUNIST nation.
Q:Electrodes are found in electrochemsistry, not in a generator?
According to Wikipedia: An electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte or a vacuum). There is an example of an electrode used in generators, and all industrial/commercial electrical systems. It is called a grounding electrode. It is a metallic rod that is driven deep in to the dirt, to establish a contact with the background Earth voltage. Is the dirt a nonmetallic part of the circuit? Well, dirt often does contain metals in it, but it isn't dominantly metal, so it still is considered non-metallic. And we normally hope that the dirt isn't part of the circuit, but there is a chance that it can become part of the circuit, and that is generally why grounding electrodes are installed. The grounding electrode doesn't really play an active role in the operation of any of the electrical equipment. It is more of a safety feature, as a JUST IN CASE the insulation on the live wire fails. Suppose the live wire insulation fails, and the live wire contacts the metal structure of a device (that isn't intended to play an electrical role), and you as a human victim touch that metal structure. You are also standing on the ground, and the natural path of electric current from the metal structure to the ground is through your body. Unless of course, a better path is established in advance. And that is what a grounding electrode, and the rest of the grounding system does. It establishes electrical continuity with all metals that aren't intended to be electrically involved, so that any failure of the live wire will trip the circuit breaker before there is a chance that the human gets injured.
Q:Getting A Claim For Damaged Appliances And Electronics By Power Surge?
I have actually heard of that working in my home town, but it would vary with areas and power companies. Call your power company and ask. Be prepared to submit your damaged equipment and sales receipts.

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