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

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

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Loading Port:: Nanjing

Payment Terms:: TT OR LC

Min Order Qty:: 10 set

Supply Capability:: 100 set/month

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FAQ

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

Q: I have some basic questions about SketchUP and AutoCAD.I'm totally new to 3D software and was planning to enroll in an AutoCADcourse before I found SketchUP and found out some self training with thefree tutorials might give me some good handicap before I go to the more advanced stage.My question is : Is it possible to transfer without any issue (bugs, etc.) a 3D file from SketchUP to Autocad and continue the work in AutoCAD, or vice-versa?What would be the best way for someone like me (that knows almost nothing) to get started?andwhat would be the best figures to start drawing for someone who eventually plans to design mainly electrical heavy equipments?Thanks a lot.: Designing these structures means you're an advanced designer. How come you couldn't decide what software to use? Using SU is easy when you design in 3D, and Autocad for 2D drafting.

Q: Can I use an existing outlet in basement that's uses 14/3 wire and tap off of it to wire up a bathroom with 14/3 for light . Fann And one gfci outlet ?: The USA National Electrical Code (NEC) states: 210.11(C)(3) at least one 20-ampere branch circuit shall be provided to supply bathroom receptacle outlet(s). This circuit shall have no other outlets. Exception: Where the 20-ampere circuit supplies a single bathroom, outlets for other equipment within the same bathroom shall be permitted. The basement outlet circuit s not a 20-amp circuit because it is 14/3 rather than 12/3. It supplies something other than a bathroom. You could use that circuit for the fan. For the bathroom outlet, you can tap into another bathroom circuit that supplies only bathroom outlets. Otherwise you need a new 20-amp circuit. Since you are talking about 14/3 wire and a gfci outlet I assume that you are in the USA or Canada. I think that Canadian requirements are very similar. PS Regardless of what you think you might need, electrical code requirements need to be followed. You might get away with something that looks good if you don't need to have it inspected or do it without getting a building permit. However, if you sell your house, a prospective buyer might not be able to get a loan if substandard work is discovered.

Q: I need the data for our researchif possible the producer price index for electrical equipments like transformers.: sry my friend! have you looked it up through online?

Q: i have problem with my home electrical wiring. the negative and ground pin is live with current even when the power is switched off and when switched on all the three pins are live and most of my electrical equipments are not working. please help?: Wow. It sounds as though you have lost your neutral and have what is called multiwire circuits in your house. Basically what is happening is you have 120 Volts on both the hot and the neutral/ground of your house. If you most of your equipment isn't working, you really have an issue you need to get looked at. Obviously I'm not standing in your house with a volt meter in my hand so I'm taking your word that the neutral and ground have volts, not current, on them. But if what you say is true then this is the most likely scenario. I strongly recommend you get a professional there quickly.

Q: I'm about to take an automotive electronics class at college but I'm just curious, what are the basics? Say I want to wire a police scanner or some type of lightbar into my car's electrical system. What would this entail? I'd have to pull away body panels, run wire, and hook it into the battery? What about fuses, safeties, etc And also how could I hook my police scanner into my speaker's system?: Fuse blocks in cars often have SPARE (usually disused in some particular model) positions with wires already attached and within the wiring loom, with nothing connected to the end. Knowing what the intended accessory was, might allow you to connect something to its unconnected end, and always, the negative return is the car's frame. The circuit must be capable of carrying the current required. Some of these spares may be connected via the ignition switch, some may not. The next alternative is to run a new wire with a fuse inline, at the supply end at least. It is good practice to fuse the supply end, then have a further fuse at the accessory end (most accessories will already have this). The wire can often be run along and fixed to the existing car looms, passing through the firewall where the loom passes through. Again, negative is anywhere convenient on the car's metal frame. A quick and simple connection is the cigarette lighter, if fitted. Just procure a plug to replace the lighter. It can supply a fair current. So far as connecting a scanner to the existing speakers, I suggest you don't try to, unless the audio/ radio system has an accessory input. Maybe a bluetooth connection might be used, but really, the scanner's own speaker should supply the scanner sound. You can also connect accessories by splicing into existing car circuits, but I would suggest you do your college course first! You really need to understand current and wire sizes and fusing (not to mention basic circuitry!), before splicing into existing wires.

Q: I'm enlisted and my MOS is 15Y (Armament/Electrical/Avionics Repairer). I'm going to BCT on 20100203 and AIT right after at Ft. Eustis. I'm excited about learning about armament and avionics. I feel proud and privileged to have a chance to work on the numero uno attack helicopter in the world. I want to know how hard it is to get this MOS(no disrespect to other MOS') I have 3 questions in regards to this1) How does 15Y training look like and can I get a head start for the subjects taught right away.2) I would like to go overseas as a first preference, a warzone where I'm needed the most, but also what is the best non combat station to serve in for this MOS overseas and in United States respectively.3) I'm a college graduate(non-citizen pending citizenship in 6 months) and I would like to go to OCS by the end of 2010. Please let me know the best route to do it.Thank you.: The MOS system has changed completely since I was in the Army but I would stay away from MP. The rank is frozen there because there are a lot of people in that MOS and rank is so very slow. Choose a field you can use in the private sector and one where you will make your rank as soon as you have time in grade. Let the Army send you to school and learn a new and useful occupation. Don't go in as a foot soldier. They make rank alright but big deal. Don't listen to the recruiter. He's not there for your benefit

Q: I received a piece of electrical equipment from China which has a power lead with it. It originally had a 2-pin plug which I have stripped to rewire into a 3-pin UK plug but the wires are blue, black and brown! I am confused now as I thought either blue/black could be neutral or black/brown could be live. Didn't expect blue, black and brown in same wire.: Connect to Live (brown wire) and Neutral (blue wire). Leave the Earth pin in place but unconnected. Make sure that the plug has a 5 Amp fuse in it (these usually have a blue coloured body, 13A fuses are brown). If the wires are not blue and brown then you must make sure that the voltage is correct. UK mains is nominally 230 Volts, the same as the rest of Europe. Blue and brown are the standard European colours for mains wiring. If the razor is non-European then it may be designed for 110 Volts and will be destroyed when you plug it in. If this razor is an old British one it may have red and black wires. These colours have not been used for appliances since about 1968 and so the device will be very old and may be unsafe.

Q: I'm a physics students and often come up with seemingly stupid questions I can't really find an answer to. If the human body acts as a resistor of around 100 kilo-ohms or more, how is it that I could die by grounding myself with the hot terminal of an electrical outlet?I understand that the average current flowing through me is the product of RMS-voltage over resistancebut this value doesn't seem NEARLY high enough to do any damage much less for me to detect.Thanks!: Mr. C. has an excellent answer. I might also add that as an electrical worker I find it very important to make sure that when I work with electrical circuits and safety equipment that I try and eliminate a flow path from live to ground that can pass through my heart area. We always use safety equipment and follow procedure but at times you have no choice but to get very close to energized exposed circuits. They can and do bite. I have been known to take an extra step and insulate exposed energized areas that are near my legs when I am working with energized circuits above my waist.

Q: definition: *Many electrical installations have a relatively high earth impedance. This may be due to the use of a local earth rod (TT systems), or to dry local ground conditions. These installations are dangerous and a safety risk if a live to earth fault current flows. Because earth impedance is high, 1. not enough current exists to trip a fuse or circuit breaker, so the condition persists uncleared indefinitely 2. the high impedance earth cannot keep the voltage of all exposed metal to a safe voltage, all such metalwork may rise to close to live conductor voltage. These dangers can be drastically reduced by the use of an ELCB or Residual-current device (RCD). The ELCB makes such installations much safer by cutting the power if these dangerous conditions occur. This approach to electrical safety is called EEBAD. In Britain EEBAD domestic installations became standard in the 1950s. In non-technical terms if a person touches something, typically a metal part on faulty electrical equipment, which is at a significant voltage relative to the earth, electrical current will flow through him/her to the earth. The current that flows is too small to trip an electrical fuse which could disconnect the electricity supply, but can be enough to kill. An ELCB detects even a small current to earth (Earth Leakage) and disconnects the equipment (Circuit Breaker). Go through the source links. Also read and seach for residual current device.

Q: capacitor failure inductor failure thyrisitor failure i wonder if there is any solutions for these problems !!thank you in advance .: [1] Replace the capacitor with double voltage rating and low leakage. [2] Same inductance but made with thicker wire. [3] Replace it with higher power and voltage rating with same or faster switching rate.Add heat sink to it.

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