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Jan 30, 2019 · Forum Title Date; Boiler Forum: Weil McLain boiler set up help: Nov 11, 2021: Boiler Forum: Replace Pressure Reducing valve and Backflow Preventer Weil Mclain CGA: Oct 1, 2021: Boiler Forum: Weil-McLain boiler 26 years old with rust - Replacement suggestion: Mar 25, 2021: Boiler Forum: Weil Mclain Gas Boiler Issue: Dec 31, 2020: Boiler ForumGet Price
Feb 03, 2020 · I need to model a boiler where the water is boiled to get steam using an electric source as heat input and the output steam is to be collected and will be sent through a superheater. That sounds like a drum type boiler, because if it was a once through boiler there is no defined boundary between the boiling region and the superheating region.Get Price
Nov 27, 2021 · The boiler water level is not coded to allow for up/down gradients at present. One of the things wrong with the way MSTS did things was that quite often there would be a pronounced up or down movement of the engine which caused the water level to change over a very large range.Get Price
Nov 14, 2021 · It is entirely valid to say that a non-condensing boiler, properly tuned, will have a peak thermal efficiency of around 85%. A condensing boiler, properly tuned and operating in the condensing range, will have a peak thermal efficiency of around 96%. The physics and thermodynamics of combustion set those limits, not advertising.Get Price
Everytime I speak to someone, the only boilers that are worth a darn are the models that haven't changed in 30 years. From an energy standpoint, you can't beat a condensing/modulating boiler. It's physics, can't be done. However, I get 1 of 2 speaches about them.Get Price
Oct 25, 2012 · Smell of oil from boiler. Kefid12 4:29PM #1. Lackagh1970. Registered Users Posts: 178 . Join Date: January 2012. Posts: 151. Hi, my boiler is in utility room and past two days there is a smell of oil. Now this happened couple months back, called the boiler man and he said definitely no leak. It did go after that but its back.Get Price
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Sep 03, 2019 · I had a Vaillant combi boiler which is about 10 years old. There are 3 lights on the front of the boiler - red, yellow and green. The heating and hot water are working fine. However when just the heating is on, the light is constantly solid yellow. When the hot water is turned on (and heating) it switches to a green flashing light (yellow goes Get Price
Mar 20, 2015 · safe working pressure of 101.6 mm dia x 1.63 mm wall thickness, at 50 - 75 deg C - 143psi, at 100 - 125 deg C - 138psi, at 150 - 175 deg C - 119psi and at 175 - 200 deg C it is 93psi. That's why my 4 inch boilers were never rated over 90psi recommended working pressure.Get Price
Dec 17, 2021 · This is one of the earliest boot boiler Shays built by Lima Machine Works and, is more commonly known as a 'T' boiler. (Circa 1884.) I've modeled this loco after the CN104, among others of the same era. It's gauged for 3 foot operation and was used for logging, mainly. The link & pin couplers were typical of that era along with the lack of breaks.Get Price
Jan 18, 2021 · You can't scale physics, and good water circulation is needed to transfer heat to water, which is the purpose of the exercise. Wonder how well a fairly accurate scale model of a Swindon boiler would behave, bearing in mind that you can't get water in scale sizes? Howard. SillyOldDuffer: 18/01/2021 16:53:41: Moderator 7601 forum posts 1682 photosGet Price
Sep 03, 2019 · Buckinghamshire. Country: Serial number vaillant will only tell what year, week, where it was made, own serial number of boiler and counter (number of boiler made so far ). Current one is 28 digits. Your is only 20 digits, so I maya be wrong. Your is year 2000, week 30. So nearly 14 years. Hope I'm right, lol!Get Price
Condensing boilers use waste heat from flue gases to pre-heat cold water entering the boiler. Flue gases are condensed into liquid form, thus recovering their latent heat of vaporization, which results in as much as 10%–12% increase in efficiency. Modeling these heat transfer phenomena is crucial to control this equipment. Despite the many approaches to the condensing boiler …Get Price
Nov 27, 2021 · Model Engineer. For you to post feedback on "Model Engineer" magazine. 90: 722: Asia by dscott May 30, 2021 0:23:54 GMT: Boiler Design, Construction & Testing. For discussions specifically about the design, construction and testing of model boilers. 284: 3,651: Silver solder or braze? by firebird Dec 9, 2021 9:09:08 GMTGet Price
ENJOMOR Watt Reactor Model Steam Engine with Boiler Cool Science Project Toys. Features: .Steam Engine Reactor: The improvement and application of Watt steam engine, model it, and you will be attracted by its exquisite appearance. The steam engine starts and runs smoothly and simulates steam mist, which makes people obsessed.Get Price
Jun 09, 2010 · KefidT21:00. Hi everyone, I'm looking to get hold of some boiler bushes for a tiny boiler kit I've just bought (a Tubal Cain kit), I can't find them for sale anywhere. I imagine most people who build boilers turn their own bushes up from gunmetal or bronze, but I don't have a lathe yet. I need about six big enough to tap 1/4" x 40 or 3 Get Price
Sep 26, 2011 · This is the model I built however I didnt purchase it from here. but for a rough idea of costing. boiler about $300. steam engine $250. dynamo $100. Here is a seller on ebay that sells a fully assembled PM research single cylinder one.Get Price
Aug 17, 2017 · This paper is the second part of a two part study that develops, validates and integrates a one-dimensional, physics-based, dynamic boiler model. Part 1 of this study [1] extended and validated a particular modelling framework to boilers. This paper uses this framework to first present a higher order model of a gas turbine based cogeneration plant.Get Price
Feb 12, 2018 · My boiler was installed when the house was built in 1950. The boiler still runs great even though I've replaced most of the components (aquastat, gas valve, circulator, etc.) a few times over. I contacted Pennco in NY approx. 7 years …Get Price
Nov 23, 2021 · Of course it would have to be installed by a professional, but that doesn't mean said professional won't try to make a bit on the boiler itself in much the same way as years ago I was quoted €1500 for a well pump that I was able to buy myself for €600. We have 15 radiators in our house plus hot press hot water cylinder.Get Price
Dec 18, 2021 · I'm running along fat dumb and happy and watching the water level when all of us sudden the steam pressure starts dropping like a hot rock. Here's a series of snapshots: Perfect balance - throttle, 12% cutoff, 200# pressure, 70% boiler water level, 80,918 lb/h steam generation, 62,551 lb/h steam usage, 43.5 MPH in a 45 zone. Perfect.Get Price
November 2020. On the physics of surging -- really not a mystery. What happens is that in a new boiler -- or even with extensive new piping -- there is a good deal of casting and cutting oil. Can't help it. That oil forms a film -- sometimes a rather impressive one -- on the surface of the water.Get Price
Dec 28, 2009 · Electric heaters are already more or less 100 percent efficient. The problem is that the cost per unit of energy is just much higher than gas. One argument (possibly) not to use gas is to avoid the gas standing charge. This argument only makes sense if your usage is very low.Get Price
Oct 18, 2008 · The model guys in many "Live Steamer" clubs think that if 250lbs can be carried in a cardboard box with tape on it, then a "small" "toy" "hobby" boiler is surly safe; I have fought that battle many times in debates (usually brought on by them) to folks that think that they are exempt from their basic high school math, physics, chemistry (boiler Get Price
Nov 08, 2009 · Boiler Forum: I have AN OLDER SLANT FIN FURNACE THAT EMIMTS A HIGH PITCHED SOUND: Jan 2, 2021: Boiler Forum: Replacing a Slant Fin Galaxy GG-125 HEP Boiler: Aug 27, 2020: Boiler Forum: Slantfin VictoryII Aquastat: Dec 7, 2016: Boiler Forum: Slantfin boiler with Amtrol Boilermate no hot water: Oct 20, 2014: Boiler Forum: Slant Fin Victory Gas Get Price
Dec 29, 2020 · Many modern boiler models have the facility to add weather compensation using an external temp sensor, and this will set that output control appropriately - and as low as it can get away with. Also, the lower you have the running …Get Price
Aug 17, 2017 · This paper is the first part of a two part study that develops, validates and integrates a one-dimensional, physics-based, dynamic boiler model suitable for application with model based control. Part 1 of this study extends and validates the existing, higher order modelling framework of Badmus et. al. [1] to boilers.Get Price
This paper presents a critical review of the research conducted for modeling and controlling supercritical power plants. Thermal power plants are classified according to the boiler pressure to supercritical and subcritical. The modeling concepts and control strategies of supercritical generation units are far more complex than those of subcritical.Get Price
Dec 22, 2015 · 12/22/2015. Oct 17, 2008. #1. Several recent threads have talked about model boiler building and the merits of code vs. non code construction. The problem with the ASME code is it was originally written for large, externally fired stationary boilers. It has been applied to traction engines and also is applied to scale model engines in some states.Get Price
Nov 28, 2021 · Thanks for the responses - it's a multi fuel stove which supplements our oil fired boiler. We have noticed that pellet stove are very noisy which wouldn't do too well in our family room. I think that we will be going down the route of replacing like with like.Get Price
The efficiency of a boiler is governed chiefly (1) by the amount of heating surface exposed to the flames; (2) by the distribution of the heating surface; (3) by the amount of fuel which can be burnt in the furnace in a given time; (4) by avoiding wastage of heat. The simplest form of boiler, depicted in Figure 78, is extremely inefficient because of itsGet Price
Sep 13, 2021 · Electric boilers are somewhat common in the NW, as hydro power is lower in costs, especially east of the Cascades. They use 30-50 amps so powering them with solar PV is not really practical. The models with elements staged by OD, use less power. They're also not very efficient to make DHW, so an electric hot water heater is often used.Get Price
Oct 23, 2021 · But the hot taps don't give hot water and the radiators don't do nothing. It's an Ideal Combi C310e boiler, and the control panel is a Sauter T27HW. There are six pipes coming out of the boiler, with stop-valves on four of them. Some are marked: Gas, Hot Out, etc., but some are not. There's a loops between two pipes and a valve on the loop.Get Price
The ash deposition process in biomass boilers can induce many ash-related problems. It will reduce the heat transfer in the furnace walls and convective pass tubes and decrease the boiler Get Price
Jun 24, 2015 · The code is to help modelers with design requirements and operation of model steam boilers up to 3 inch OD, have an operating pressure of less then 75 psi and a water capacity of 1 litre or less. There are two classes in this code, LOW PRESSURE and MEDIUM PRESSURE. LOW PRESSURE boilers have a maximum working pressure of 29 psi, can be Get Price
Generally, boiler models can be categorized i nto three g roups, i.e. complex models, moderately complex models, and sim pler models. The complex …Get Price
Sep 14, 2021 · To choose the right gas boiler, it is important to know the specifics of the different models sold on the market. In addition to the classic gas boiler, there is the gas boiler low temperature. Although its principle is more or less similar to the classic model, it is limited to a heating temperature of 50 ° C to promote energy saving.Get Price
Oct 27, 2021 · File Name: Boiler Load V2 File Submitter: Shay 5 File Submitted: 10 Dec 2013 File Category: Flatcars Std Gauge Here is a second version of my boiler load for flat cars. It is much more detailed and features 1024x1024 textures. There is three versions: Smoke box door closed, Smoke box door opened, and one with sand dome and stack.Get Price
Cochran. - Model ST23 -. Steam Boiler. Formerly the Wee Chieftain, the ST23 is probably the world's best-known and most respected industrial boiler. The Cochran three pass, wetback boiler is renowned for its reliability and durability, as well as …Get Price
Dec 13, 2021 · Its design follows many rules of physics and its project was obviously patented a long time ago. The Moka is made up of three main parts: the base, also known as the boiler, which also includes a safety valve; the metal filter; the collector, made up of a central chimney inside. The Moka's functioning is both simple and unique.Get Price
Feed check valve opens towards the boiler only and feeds the water to the boiler. If the feed water pressure is less than the boiler steam pressure then this valve remains closed and prevents the back flow of steam through the valve. The outstanding features of Cochran boiler are listed below: In Cochran boiler any type of fuel can be used.Get Price
Glowcore boiler, 92k btu. Two contractors have told me that this system is bad, that the debris in the Heat exchanger is going to crash the boiler. Just put in a new ignitor and had to zone valves replaced. There's a total of 4 zone valves. Don't really know if they are trying to rip me off, by scaring me into purchasing a new boiler.Get Price