Understanding How Biomass Boilers Work

Biomass Crop

When it comes to residential heating, there are countless different options available. One option that you may not be too familiar with is a biomass boiler. These boilers can be an efficient option can be installed by biomass boiler installers to heat your home. The following section takes a closer look at how biomass boilers work.

A good place to start when learning about biomass boilers is by first understanding what biomass is. Essentially, biomass is organic matter that is derived from plants or plant-based materials that is burned to produce energy. This can include wood, grassy plants, shrubs, leftover food crops or even algae. The most common types of biomass used with a biomass boiler are wood pellets, logs or wood chips.

With a biomass boiler, wood pellets or wood chips are placed into a hopper on the boiler. They are then automatically fed down into a combustion chamber, where they are set on fire. This creates a steady supply of heat.

The heat is then transferred to the home’s central heating system. One of the most common types of systems uses water to supply heat to the home. The water enters a chamber with a heat exchanger. The heat from the wood is then transferred to the water. The water is then pumped through a series of pipes to radiators placed throughout your home. As the water passes through the radiators, a large portion of its heat is released into your home.

The water then begins its journey back to the boiler. By the time it reaches the boiler, it is cold again and the process starts all over. The cold water is returned to the heat exchange chamber, heated up again and sent back on its journey throughout your house.

One of the things that makes these systems unique is that they are considered carbon-neutral. That is because they give off the same amount of carbon when they are burned as they absorbed from the air while growing as a tree.

Typically wood pellets are created from trees that are harvested in an environmentally-friendly manner. Because of this, many government agencies provide incentives for homeowners and businesses to install these boilers. They are an extremely efficient way to heat your home.

The only downside to biomass boilers is that they do require some manual interaction in order to operate. For instance, you have to regularly fill the hopper with wood pellets in order to keep the system burning. Depending on the boiler and the weather, a full hopper of pellets will typically last two to three days during the winter months.

Despite the slight drawback of having to refill the hopper, these systems are still a great way to heat your home. They are affordable to install and operate and are considered to be an eco-friendly heating source. If you would like to learn more about whether or not one of these systems is right for your home, your best bet is to contact a home heating expert who specializes in biomass boilers in your area.

Read More

Cool Drive Valve Driver Boards

Background

This white paper details the specs and functionality of the Cool Drive valve driver board which has been designed and created to help the holding voltage required to maintain cool coil operation for solenoid valves.

These solenoid valve driver boards were conceived as a building block for end users to utilize them in their own control systems, which means they are not stand alone equipment.

These Cool Drive boards would normally be utilized together with interface boards,

switches, relays or direct-buffered inputs from the a customer’s own setup.

 1. Power Requirements

The Cool Drive solenoid valve driver board has specialized power requirements.  It requires +12 VDC or +24 VDC depending on the solenoid valves that need to be used, plus +5 VDC and a common ground.

 2. Switching Information

The switching function happens when you take the input pins when they are either high ( at + 5 VDC) or low (Grounded state). When the pins are taken at a high state, the valves acquire energy at the normal voltage of the board and thereafter held at the reduced voltage (Normally 1/3 of the nominal voltage). When the pins are held low, the valve is de-energized. The pins should always be held low and not left open circuit.

 3. Schematic For Switching

 You will to be cognizant of the fact that quite a few interface boards and devices will need to be programmed by the end user in order for proper integration in their equipment.  So it is necessary that the end user has the basic knowledge of electronics and programming languages.

CoolDrive® Technical Information

Source:  http://www.valcor.com

Read More

Finding Solar Panels and Installers for Them

If you are interested in going green, there are many different things that you can do, especially if you own your own home or office building. For instance, incorporating solar panels into the property, you can save money on your regular electricity bill while reducing your personal dependence on fossil fuels and other nonrenewable energy sources. If you are looking for solar panel installers in Kent or any other place in the country then this guide is for you. Watch an introduction to solar panels from the Solar Panels Network below.

If you decide to go this route, there are several things that you need to do so that you can be certain that you have a good experience with solar panels and the energy savings these provide for you. By planning properly, you will have the right equipment for your needs and the professional installation required to make it work well.

The first thing that you should consider is the property you are planning on using for the solar panel installation. You will have to decide if you are going to place the panels on top of one or more of the buildings or if you think that there is a better location for them. You want to be certain that where you decide will provide the highest access to light throughout the year.

Some of the things that can influence the amount of sunlight a panel will receive include natural landscaping around the areas. If you have trees or hills that will block it for a significant period of time, you may want to think about placing them elsewhere on the land. The different times of year will provide movement for the natural light that goes across your property. Attempt to find a location where you will be able to get the most light at all times.

If you are considering placing the solar panels on top of a building, it must be strong enough to hold them. Otherwise, you risk quite the mess. In most cases, older homes will need to have additional supports put into place before you will be able to have solar panels installed. This can also be true for older homes. You should have it inspected beforehand to ensure that you are able to have the panels placed where you want. If you must fortify the building, do not forget to calculate that into your installation costs.

You will need to think about how much energy you wish for the panels to generate also. Some people have a few panels installed and add more along the way. It will depend upon your budget, how much power you currently use and how much you wish to reduce your power bill by per month. Those savings on your bill can help to cover the costs of having solar panels. Once they are paid for, you are just saving money each month. In fact, if you use less energy than the panels produce, your electric company will pay you for the surplus.

When you decide to have the panels installed, make sure that the contractor is experienced in the placement of solar panels. This is a specialized type of construction and you do not want to hire someone with no experience. Also make certain that they are bonded and insured. A reputable company will have their contractor number prominently displayed as well as information regarding additional licensing that may be required where you live. Talk to them and ask for a written estimate from a few of them before you make a firm decision on who to hire.

If you do all of these things prior to starting your solar panel installation, you should be able to have a great experience with this conversion to solar.

Read More

It Is Necessary To Control Fumes Produced By Processes So That Working Environments Remain Healthy

There is a whole range of chemicals that are used as solvents to dilute other materials, so that they can be more easily used. You will solvents being used in industries that make mixtures of many individual substances.

You will find such use of chemical solvents in painting and printing, while they are also used in construction, plastics and rubber, textiles, footwear, foodstuffs, dry cleaning and even woodworking. They are commonly available in cleaning materials, paint removers, adhesives, inks, toiletries and pesticides. The solvents normally act as carriers for the dissolved materials and by nature are health hazards when their fumes are breathed in. Other solvents can cause skin irritations and most of them are not safe for ingestion.

This leads to it being very necessary for any use of chemicals and solvents to be made with a lot of care, and to control the fumes that most of these mixtures do produce. Most processes that use solvent will always have equipment installed which extracts the fumes that are in the working environment so that respiratory zone of the workers, exposed to these solvents is protected and rendered harmless. Fume extraction must take into consideration the removal of the contaminated air and then treating it to render it harmless. Recovery of the solvent may also need to be considered, where this is considered necessary.

Fume and dust extraction systems should be installed by a competent company such as Dust Extraction Online, who are specialists in all kinds of fume and dust extraction systems.

The main parts of such chemical and solvent fume control equipment are powerful extractors along with filtration media. Filters can be used to extract the fumes and may also have particulate filters that also trap any particles that may get extracted. In some cases, fume extraction systems may be designed to extract the solvents and return them for recycling.

Designing of any fume control system requires air volumes to be taken into consideration. The spaces where these systems are installed may make for safer working areas if they are always well ventilated. The volume of air to be extracted will depend on the processes and wastage created by it. Besides the removal of fumes, extraction systems must also allow the working environment to be fresh. It is quite normal for workers who have to operate in such situations where fumes are likely, to wear respiratory apparatus as an added safety. Solvents can also quite often be corrosive, so proper protective apparel may also be required to be used. It is also possible to have fume extraction equipment that is placed directly over or under the work situation producing these fumes from solvents. This allows them to be more portable and adaptable and does not require any other construction which booths or other rooms may require.

When you require a fume extraction system to be installed, the process for which it is required must be determined. Once this is established, it will indicate the type of solvents that will be used and which need extraction. It is then necessary to determine how the solvent has to be captured and removed, before the purified air is discharged into the atmosphere. Fumes can be flammable and explosive and this requires further attention to also the type and design of the mechanical equipment being used for extraction.

There will be some fume extraction system, which are mainly designed to help climatic control and any fumes will be only heated air that can be discharged directly into the atmosphere at a safe height. Most solvent based chemicals will however require filters through which the fumes have to be passed, before any discharge to the outside air. Most mechanical filters have mesh or baffle plates that that allow the solvent with chemicals to gather and then collect in trays, which may have to be removed for further disposal of the solvent. Other filters may contain media that are specifically designed to trap particles needing to be captured, by interception, diffusion or through straining and adsorption. In some industries it is common to use wet scrubbers, that not only remove the solvent, but can also in some cases help to recover it for reuse.

Fume extractors are easy and safe ways of eliminating the contaminants from any working environment, and providing it with clean air that is safe to breathe. They make for very important parts of industries where there a continuous use is made of chemicals and solvents.

Read More

Discover What You Need To Know About Engineering Health And Safety

Engineering jobs often have hazards that require attention in the workplace in order to maintain health and safety. This article will examine some of those areas which need special care. It is always recommended to request the services of Health and Safety consultants to carry out a full risk assessment at your engineering locations.

It is important when risky practices are observed, supervisors ensure that safe working practices are followed and action taken to correct anything notably dangerous.

But everyone in the company should make note of any issues as a safe environment is in everybody’s best interest.

It is important that all participate in keeping high standards of health and security in all jobs. The onsite engineer or supervisor is generally accountable for health and safety recording, or monitoring. Health and safety in the UK is governed by the Health & Safety Executive. and in the US, the Occupational Safety & Health Administration oversees Health and Safety.

Health and safety management is a customized field, that generally needs additional training, particularly if you are to end up being a ‘WHOSO’. The level of training requirements varies considerably depending upon which nation you are running in, and the level of guidance you want to supervise.

Weekly conferences or month-to-month conferences, ought to be carried out reporting on any events or prospective occurrences that might take place on the job. Ultimately, any mishap that takes place under your control is a reflection on your job management abilities. Excellent task supervisors carry out great health and safety standards and approach safety issues prior to the task being started, which better guarantees they are adhered to, normally by way of a “work Location Health and Safety Officer” – likewise understood as a ‘WHOSO’.

Inspectors will certainly take a look at other safety problems, such as those who work at heights and in transportation. There must also be great control of health dangers from metalworking fluids and welding, manual handling, sound and other harmful elements.

Engineering equipment. There are thousands of mishaps and cases of ill health every year in engineering workshops. In between 10 -15 % of mishaps include the use of equipment.

Numerous mishaps that happen in engineering workshops might be prevented by putting on of gloves while working in close proximity to turning equipment such as lathes and drills. In addition, when running engineering equipment, loose/baggy clothes, long hair (should be tied up), and some jewelry should not be worn when running engineering equipment.

Examining your workshop

Conditions will certainly differ from clean workshops to those where devices are leaking fluids, sending out fumes, and where dust is permitted to collect on the floor. General tidiness is typically a great indicator of how well other problems are being handled.

Oily Floors In Engineering Workshop

This is a consistent problem found in many shops.

Some Strategies To Eliminate The Problem

Oil Leakage strategy – a list of devices which are found to have leakages is gotten ready for upkeep personnel to repair. This list is upgraded each time a leakage is taken care of, or another leakage is reported.

Binding – all devices with leakages which can not be repaired (commonly older devices) have a metal binding around the entire area of the device which helps all the leaking oil to stop from spreading out onto the floor.

For several years a great deal of the devices at a professional engineering business had leakages meaning that oil and sawdust constantly accumulated on the shop floor.

Mishaps reported by individuals slipping on the floor were occurring about 14 times every year. For the size of the operation this represented rather a high event rate. Once this was appropriately addressed, such mishaps were reduced by more than half each year.

Planned upkeep program – each device is serviced frequently and part of the service sheet is to take care of leakages.

It is in everybody’s interest to have a high requirement of health and security of all jobs. Great task supervisors execute excellent health and safety standards and approach issues prior to the job beginning, which better guarantees good standards are adhered to.

As an engineer you are often in a unique position to be aware of problems. It is important for your safety and the safety of others you work with, that you notice and report any issues you believe are of concern.

It is also important that you and others follow good practices of safety to ensure your own well being. Safety is something that should be an important part of every day work practices.

Read More