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Beginners Guides

Why Boiler Blowdown Is Necessary



why boiler blowdown is required

Correct boiler blowdown techniques are crucial for keeping the boiler operational and the water pipes clean. More information on the various blowdown techniques is available in an article by the ABMA. Each technique has its own unique requirements. The goal of every blowdown is to control the water’s quality and eliminate built-up contaminants.

Reduces corrosive condensate

Using the proper condensate treatment method can reduce the risk of corrosion and other damage caused by acidic condensate. Acidic condensate is made up of dissolved materials such as carbon dioxide that react with metal surfaces. The most common corrosive components of condensate are oxygen and carbon dioxide. They can enter the boiler’s feed water and steam heating systems as well as the boiler return system.

Oxygen scavengers are able to control boiler blowdown’s corrosive condensate if used correctly. These chemicals are suspected carcinogens and should be applied in low dosages, based on the residual dissolved oxygen level. Oxygen scavengers should be used when the residual oxygen level is below 5 ppb in boiler make-up water.

A boiler blowdown system is exposed to oxygen, carbon dioxide, and hydrogen ions, which can cause corrosion in copper and iron pipes and equipment. These corrosive gases can also eat away at the heat energy in a boiler. The corrosion products from these leaks can contribute to damaging boiler deposits, boiler carryover, and steam-driven equipment deposits, which reduce system reliability and increase operating and maintenance costs.

Dealkalizers improve boiler performance and reduce condensate-line corrosion. They also reduce the chemical cost of boiler operation. Boiler blowdown is often caused by alkalinity in boiler water. Too much alkalinity can cause foaming and carry solids into the steam. Dealkalizers help prevent this by lowering the alkalinity and reducing blowdown and carry-over. Dealkalizers also reduce the amount carbonic acid in water, which can help reduce corrosive condensate.


A deaerator can be used to prevent corrosion. This is because it prevents oxygen from entering the water, which contributes to oxidation. It is also important to check the boiler’s vessel for signs of corrosion and repair if needed. Alkalinity agents and corrosion inhibitors can also prevent further damage from occurring. Proper boiler maintenance will also reduce the chance of oxidation.

De-aerating is essential to reduce acidic condensate produced by a boiler. This process will reduce the amount of carbon dioxide in the condensate, which is the main cause of accelerated corrosion. By dissolving the carbon dioxide, it also helps remove the iron and copper oxides in the system.

Water quality regulation

Boiler blowdown is waste water that is produced from the boiler during operation. Zero liquid discharge is a process that regulates the wastewater. This involves extensive treatment of water. This process also reduces the volume of the wastewater. There are many technologies available to treat boiler blowdown. The most popular is reverse osmosis. Reverse osmosis membranes separate dissolved ions from the water and produce high-quality permeate. The procedure requires pre-treatment including filtration, softening, and pH adjustment.

Automated blowdown control systems can be used to regulate the blowdown rate and monitor the quality of boiler water. These systems consist of a measurement assembly, a control center, and a modulating blowdown valve. To achieve an accurate and economical blowdown rate, measurements must be taken on a regular basis. Blowdown is regulated based on the concentration of dissolved solids and conductivity of the water.

The blowdown rate should not be less than one percent, but it should be between four and eight percent of the feedwater flow. Blowdown rates vary depending on the boiler type, operating conditions, and feedwater contaminant levels. Total suspended solids, or TSS, are one of the primary contaminates in feedwater, and may increase the risk of corrosion in boiler tubes.


Incorrect water treatment can lead to increased levels of organic matter and dissolved solids, which can hinder heat transfer across fire tubes. This can eventually lead to overheating. Another factor in regulating the water level in a boiler is the amount of steam that the boiler needs to operate. If the boiler is operating below its design working pressure, this increases the efflux velocity of steam leaving the water surface area, which can raise the water level.

Bottom blowdown is the most common type of blowdown. This method involves connecting the boiler at the bottom to remove sediment and sludge. A lot of water is lost during this process. Some of this preheated water can be recovered by heat exchangers.

Eliminates accumulated impurities

Boiler blowdown is an essential part of your water treatment plan. It removes any impurities that have accumulated in your boiler water. If you do not blowdown the water regularly, the concentration of impurities will increase, reducing the efficiency of the boiler and wasting energy. Depending on the size of the boiler and the operating conditions, the amount of blowdown required will vary.

Boiler blowdown removes accumulated sediments, sludge, and dissolved substances from the bottom of the boiler. This process uses water pressure and a valve attached to the boiler’s bottom to remove impurities. The boiler would not be able to withstand the pressure of blowdown if the impurities build up to saturation and begin precipitating.

Boiler blowdown is an important part of boiler maintenance. If done correctly, it can extend the boiler’s lifespan. Not only will it help your boiler perform better, but it will also ensure that it is more reliable and less prone to breakdowns.


A blowdown separator reduces the pressure of the boiler’s blowdown water to atmospheric conditions, allowing it to drain. This reduces the pressure of the high-pressure water, which causes it to flash to steam, removing impurities from the boiler. This improves boiler efficiency and lowers fuel consumption.

Blowing down is vital as it is an essential step in maintaining boiler efficiency. You can prevent corrosion and scale from developing by removing any accumulated impurities. In addition to cleaning the boiler and preventing the accumulation of scale and sludge, it also prevents a buildup on the heat transfer surfaces. This should be done on a regular basis.

To keep the boiler safe, it is important to maintain the water quality in the feedwater. If it is not treated properly, it can damage internal components of the boiler, safety equipment and auxiliary piping. This can be prevented by a boiler-water treatment plan that will prolong the boiler’s life.

The blowdown rate of a boiler depends on how much impurities are present in the feed water. Its percentage can range from less than 1% to over 20%. The boiler quality and TDS levels in the feed water will determine the exact amount. For high quality feed water, the blowdown percentage can be as low as 1%. If the feed water quality is poor, the percentage can reach 20 percent.

Produces steam

Boilers require regular blowdown to remove dissolved solids, or TDS, that can build up in the water. These deposits reduce the efficiency of heat transfer surfaces and lead to increased energy costs. It is important to check the TDS level of water on a regular basis. Some automatic systems measure TDS levels in the water and signal the blowdown valve to open for a set period.


Steam produced at high pressure occupies less space than steam at atmospheric pressure, so the pipework needed to distribute the steam should be smaller. The pipes carrying steam should also be designed so that they maintain the correct steam quality. The pipework usually contains steam traps, strainers, and separators to help prevent contamination.

Blowdown rates should be between 4% and 8% of feedwater flow. Boilers that have a lower blowdown rate should consider installing a steam blowdown valve to reduce the temperature of the steam. This is important because hot water is not good for sewers because it promotes the growth of bacteria. Typically, the boiler blowdown temperature should be less than 140oF.

Boiler water can also be prevented from contaminating by blowdowns. The boiler’s continuous evaporation causes the water to become contaminated by impurities. Boiler blowdown removes impurities from steam to make it more reliable and safer. In an emergency, blowdown can also be used to remove excess water.

Boiler water is treated with a phosphate additive. To prevent oxidation, the boiler water must be alkalin enough. To make the water more alkaline, you can add disodium phosphate or caustic soda. To maintain the boiler water’s alkalinity, polymeric dispersants can also be used.

Boiler water circulation can also be used to increase boiler pressure. This circulation removes oxygen and other gases from the boiler’s water. It also increases the pH level in the boiler, which is essential for preventing corrosion. The water circulation system also helps to prevent water solids from forming in the highest heat flux areas. As a result, water temperature increases at these locations. To avoid any damage, it is important to check the water circulation system as well as the boiler’s water circulation.


The bottom blowdown is used to remove water and sludge from the boiler’s heat transfer surfaces. Typically, this blowdown is done once daily or once per shift. When the feedwater quality is superior, bottom blowdown can be reduced to just one day a week. However, poor feedwater quality may require daily bottom blowdown.

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Beginners Guides

Will a Freezer Kill Bed Bugs?




will freezer kill bed bugs

Choosing a chest freezer is a smart decision for freezing large comforters and blankets, as well as books, framed photos, and many other items. Before putting any objects that contain liquid into the freezer, make sure they are tightly sealed in a plastic bag. This precaution will protect your items from damage during the freezing process.

Do-it yourself freezing

Freezing items in the freezer is a good way to get rid of bed bugs. The downside is that it can be time consuming. The temperature must reach 0degF in the center of the object to kill bed bugs. If the object is bulky, it may take longer to freeze. Once the temperature reaches 0degF, the exposed area will need about 4 days to kill any bugs.

Using a commercial pesticide that is specifically designed for bedbugs is best if you are able to control the infestation. It is important to remember that home-applied pesticides might not be as effective. Because bedbugs are resistant even to the most common pesticides, this is why they can be difficult to control.

However, freezing bedbug eggs is not recommended for homes. The freezing method will kill adult bedbugs and eggs. Because they don’t like to migrate, the bugs won’t migrate as much as adults. This makes it difficult for them to escape the cold. The freezing process will ensure that bugs die if it is repeated.

If freezing does not work, you can try high heat. You should use a heat treatment that lasts at least 90 minutes. However, you should not try applying this to flat surfaces, such as a mattress. This could be dangerous if you use it in the wrong way. Also, it is important to ensure that you follow the instructions and use safe, legal treatments.


If done correctly, freezing bed bugs can be very effective. However, it is important to use a freezer that is low enough to freeze the bugs. It takes four days for the bugs to die. It is still a good idea to consult a pest control specialist before freezing. Another method is freezing the items at low temperatures for a longer period of time. You should use a thermometer to monitor the temperature inside the items.

Your bedding can be a hiding place for insects. They can also hide in your baseboards or wall hangings. They love hiding under furniture and appliances, including picture frame frames. A pest management specialist can help you get rid of bed bugs.


Deep-freezing is not the best way to get rid of bed bugs. Bed bugs go into hibernation when they are exposed to cold temperatures. This slows down their metabolism. This means they are less interested is maturing their eggs and more focused on surviving the cold. This allows them to survive for longer periods without feeding.

Because bed bugs have a lower freezing point than their host’s body fluids, freezing is not as effective as it sounds. Although bed bugs can be killed by freezing, it is not as effective as waiting for them to die. If the temperatures are too low, or too high, this is not possible.

Another way to kill bed bugs is by double-bagging items to be frozen. You can also place a double-bagged bag in a large freezer. However, this method does not work well on small items, such as clothes and shoes. In addition, the freezing process may damage certain items.


You must ensure that your items remain dry and that the temperature does not exceed 3.2 degrees Fahrenheit during this time. Keep your items in the freezer for at least two to four days to get the best results. The freezing process is faster if the temperature is lower than -10 degrees Fahrenheit, so be sure to set a thermostat for your freezer and make sure it stays at this temperature.

Another way to kill bed bugs is to put them in the freezer for several days. This process works to kill the adult bugs and larvae by causing them to die. This works best if your items are frozen in plastic bags. But, the temperature of the freezer should be minus fifteen degrees Celsius to eliminate the bugs.

The process requires time and dedication. To ensure your items are kept at the right temperature, you can use a thermometer. When the temperature is too high, the bed bugs can escape. However, deep-freezing is not the best option for killing bed bugs because it requires multiple days of freezing to kill them.

Dry ice

There is an easy way to get rid of bedbugs at home. Dry ice in your freezer is an effective pest control treatment. It kills bedbugs by sublimating into CO 2 gas. The carbon dioxide vapors will suffocate the bugs. However, it is best to wear heavy gloves when handling dry ice. The carbon dioxide gas will be a strong irritant to the bugs, so be careful while handling it.

Dry ice can be purchased or made at any home improvement store. Use a plastic container and lid to store the dry ice. This container should hold at least 2.5 lbs. Dry ice. Place the jug above the trap. Place a warning sign and tape on the jug to warn it against it falling over. The jug should stay in place for at least a day.


Bed bugs can be killed by fumigation using dry ice. The ice pellets should be placed between the bag contents and the top. The dry ice pellets retained high CO2 concentrations for 24 hrs, which is enough time to control bedbugs at ambient temperature.

Another pest control method is to use dry ice in a freezer. This method is effective and environmentally safe. The dry ice pellets can be placed in flasks containing 2,000 ml and sealed with rubber stoppers. This process causes carbon dioxide vapors to be displaced and sink to the bottom of the hole, killing the bed bugs and their eggs.

Cryonite can be used on surfaces such as electrical outlets, floorboards, and baseboards. It can also be used for treating kitchen cabinets and plumbing pipes. It is safe and eco-friendly to kill bed bugs.

Cryonite can penetrate a wide variety of structures, including plastics or wood. Cryonite is cost-effective and safe, especially for severe infestations. It doesn’t need to be repeated. Unlike pesticides that require multiple retreatments, cryonite is very effective at killing bed bugs.

Temperatures at which bed bugs die

Temperatures below 3 degrees Fahrenheit or minus 4 degrees Celsius are ideal for bedbug eradication. These temperatures will kill the larvae and pupae of bedbugs in 3.5 days. In addition, these temperatures will greatly reduce the bugs’ egg production. It is important to remember that bedbugs can be frozen but not completely eradicated. It may only prevent them from reproducing, but it can help you to get rid of an infestation for good.


While temperatures at which bed bugs die in the freezer may sound easy enough, these temperatures are actually very high and require special equipment to be effective. Bed bug killing requires temperatures that are higher than those in your home. Most people don’t have this kind of equipment. Luckily, there are a few options for achieving these temperatures. One option involves utilizing a freeze-drying oven.

One study found that bed bugs can survive for up to two hours at temperatures of -25 degrees Celsius. Another study found that bed bugs die after only eighty-four hours at temperatures of -16 Celsius. The difference in results may be due to differences in the source of blood in the insects.

The temperature at which bedbugs die in a freeze-drying oven varies depending on the insect and the temperature. The freezing temperature for female bedbugs has been found to be around -16 degrees Celsius. The temperature of these temperatures will cause them to enter a hibernation mode. However, adult bedbugs will not be killed by freezing temperatures.

It is important to freeze bed bug-infested products for at least a few days. The freezing process can take up to four days depending on the freezer temperature. To get the best results, freeze your items in a freezer that can reach 0 degrees F.

Freezing bedbugs in freezers is not a quick process and needs time and dedication. It can be a useful pest management tool. Using this method, you can freeze infested items and furniture for up to four days. However, you must take note that the temperature you use may not be cold enough – you may need to use a remote thermometer to make sure the temperature is cold enough.


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Beginners Guides

How Will Freezers Work in Garages?




will freezers work in garages

You have the choice to make your garage climate-controlled or insulated. Yet, prior to buying a freezer, it’s important to consider a few key points. It’s essential to place the freezer in an area away from windows and out of direct sunlight. This is because direct sunlight can cause the freezer to work harder than necessary. Also, ensure that the freezer is positioned near an electrical outlet and that there’s ample space around it for air circulation.

Chest freezers

Before buying a chest freezer to store in your garage, there are some key points you should remember. First, your garage must not exceed the freezer’s maximum operating temperature. Lowering the temperature will also help you save on electricity. You should also keep the freezer fully stocked with food or water to keep its temperature stable.

In addition, make sure that your garage is adequately insulated. Insufficient insulation can make it impossible for a chest freezer to work in a space. It may need to be insulated or have a special space in the garage designed for its purpose. Your freezer should have enough space and must be free from dust and humidity. Avoid putting your freezer in direct sunlight.

You should choose a freezer that has been designed to withstand temperatures below zero degrees Celsius. Some freezer manufacturers offer models that can be used in garages. Your warranty might not cover outdoor use of the freezer. Make sure you check the temperature of your garage overnight to ensure it is safe for your freezer.

Check the dimensions of your garage before you install your chest freezer. If your garage is narrow, make sure it has enough space to accommodate the chest freezer. In addition, make sure it has enough space to fit in a standard doorway. A model with a deep basket is a good choice if you don’t have enough space.


You should also choose a freezer with a ‘concealed condenser’ – it will be better protected from the elements. Some brands, including Russell Hobbs, Ice King, and Logik, are designed for garage use.

Single door freezers

A single-door freezer might be a better option if you don’t have enough space in your garage to fit a full-size refrigerator. These freezers look similar to refrigerators and come in similar finishes. This makes them great space-saving options. They are also insulated and thickly insulated to keep your groceries at the right temperature.

Single-door freezers are built tough to handle a lot of use. However, you should keep some guidelines in mind in order to get the most out of them. First, you need to decide where you’d like to place the freezer. You will need to decide where you want it to be placed. An upright freezer is more versatile and can be used in smaller spaces such as garages.

A chest freezer is a great option for families who buy frozen food often. But it must be sized appropriately for the garage. There are a few great chest freezers available on the market, including the Frigidaire FFFC15M4TW and GE FCM11PHWW.

A garage freezer should be kept away from heat and direct sunlight. While garages are often climate-controlled and insulated, they need to be in an area away from the windows and from any direct sunlight. The freezer will work harder if it is exposed to sunlight and heat. In addition, you should choose a location that offers ample room for air circulation.


You should consider the size of the freezer and the number of shelves when choosing a freezer to fit your garage. A chest freezer is more spacious than a refrigerator, and can hold tall items.

Samsung models

If you have a garage and want to keep your food cold, a Samsung freezer model might be the perfect choice for you. These units are slim and space-efficient. They look just like a standard refrigerator and are available in similar finishes. They also have Energy Star certification.

These models are available in counter-depth and full-depth styles. They also have fingerprint-resistant interiors and fingerprint-resistant glass doors. The fingerprint-resistant refrigerator also has an external filtered ice and water dispenser. In addition, it has multi-vent technology to maintain even air circulation on the shelves.

Frigidaire models

A number of Frigidaire freezer models are designed for garage use. These refrigerators include an auto defrost function and a door ajar warning. Other features include an upper freezer compartment and four door shelves. Some models have ice bins. These fridges are available online and at stores such as Amazon, Home Depot, Best Buy.

Frigidaire refrigerators could have been used in garages as low as 38 degrees F. These refrigerators are no longer sold in garages. The refrigerator’s manual states that it can operate in temperatures as low 39°F. However, some instructions for installation suggest that the refrigerator not be placed in a garage below 55°F. However, there are garage kits available that can bring the refrigerator down to 34degF.


GE and Frigidaire freezers have large storage capacities. They have adjustable shelves, clear bins, and a locking system. The GE FUF14DLRWW refrigerator features LED interior lighting that’s energy efficient and bright. It has four glass shelves and two clear slide-out bins. There are also four plastic door bins.

These units can store up to 85 quarts, which is equivalent to nearly three cubic feet. These freezers are great for keeping food fresh, whether you need one for your garage or for your entire home. A good Frigidaire freezer can also handle higher temperatures than 32 degrees F, meaning you can keep things cold even when the weather is warm.

Portable freezers

Although the idea of having a portable freezer in your garage sounds great, you need to consider the temperature of the garage. Garages can get extremely hot or cold. If you have a freezer in your garage, you should carefully monitor its temperature, as it can be as much as 15 degrees different from the outside temperature.

Most freezers are designed to operate within a certain temperature range. This means they will not function well if you attempt to use them in unheated garages. Check the manufacturer’s website for information on operating temperatures. Garage ready freezers and refrigerators are also available. These units can be used in a wider temperature range. Some models can even withstand temperatures as low at -15°C.

Most modern freezers are energy efficient, consuming less than 100 watts of electricity. They can save you a lot of money on your energy bill. Some of these models have soft sides, which use no energy at all but still maintain ice cube temperatures. Some models can also be powered by other sources of electricity.


Portable freezers also have the advantage of being portable. Many models can be monitored remotely via a smartphone app. You can also use specialized software to troubleshoot breakdowns. These devices are also fairly inexpensive, but remember to compare brands and shop carefully. You don’t want to get scammed and end up with substandard equipment.

Before buying a new freezer for your garage, check its temperature range. A good freezer can withstand temperatures between 0 and 110 degrees Fahrenheit (Fahrenheit). However, keep in mind that the garage temperature must not exceed the freezer’s maximum temperature.

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Beginners Guides

When Do Freezers Go on Sale?




when do freezers go on sale

Many people are unsure about the best times and strategies for finding the top deals on freezers. It’s crucial to pay attention to these key periods: Back-to-school sales, holidays. These times often offer the best chance to purchase a new freezer. However, there are several other factors that can help you make the best purchase.


January is a great month to buy a freezer. The prices are often lower than they are at other times of the year, especially compared to Black Friday and Boxing Day. However, there are some exceptions. It can be costly to live in the months of September or October. Prices tend to increase before these two holidays. You may be able to find a better deal in December and January, but selection will be limited. Many retailers also offer sales on many holidays, including President’s Day and Columbus Day, St. Patrick’s Day and Labor Day. Many retailers also offer Black Friday sales, the day following Thanksgiving.

The best time to buy large appliances is during model-year turnover. Manufacturers will often sell their older models and offer discounts on the newer models during this time of year. Keep in mind that the calendar year is not always the same as the model year, so it’s important to check with the store before you buy large appliances.


The holidays are a great time to shop for a new freezer or refrigerator, but when do freezers go on sale? Manufacturers have different releases dates. Some manufacturers release new models in spring while others launch them in the fall. Maytag, for example, releases its new refrigerator in May. Costco typically runs sales around this time.

In general, most refrigerator and appliance manufacturers release new models in the spring or fall. The best time to buy a new refrigerator or freezer is when a manufacturer introduces their new models. The older models will likely be discounted as the summer approaches. In addition, many appliance retailers hold sales during the holidays. This means that any holiday could be the perfect time to buy a new refrigerator or freezer.


Back-to-school Sales

Back-to-school sales are a great time to save money on your freezer, whether you’re a parent looking for a new freezer or for your family. Not only can you save money on your freezer, but you can also save a little bit of money on other school-related items. Some retailers even offer back-to-school sales on their other items, such as laptops and school supplies.

Many stores offer back-to-school freezer sales. You can get discounts up to 50% at some stores on a wide range of products. Many stores offer back-to-school discounts, which can include everything you need from phones to earbuds. Satechi offers discounts on a wide range of tech items and you can find sales on them. You can also save on rugs at places like Boutique Rugs, where you can find up to 80% off select styles.

Online and retail stores offer the best back-to-school freezer sales. Walmart has a wide selection of electronics and other products. Microsoft offers a 10% discount for educators on select computers. And at Nordstrom, you can score great sales on shoes, apparel, and more.

Costco is another place you can shop for freezers or other freezer-related products. Costco has great sales in the fall, right before school starts. You can find a wide selection of freezer items, from frozen meals and ice cream to delicious treats. These sales are great for students and parents alike.


There are several times of year during the Holidays when freezers go on sale. You can buy leftover Thanksgiving food for less than forty cents a pound, and you can also get great deals on Halloween costumes and accessories. For best savings, shop the week after Halloween. This week, you will find the best deals on Halloween costumes and candy left over. Some holiday foods will also be on sale during this time, such as apples and pumpkins. These items are perfect stocking stuffers.



Costco has freezers that can hold more space. These freezers can store a wide range of items, including crab legs and ice cream cakes. However, when you are shopping at Costco, there are a few caveats that you should be aware of. These include fluctuating availability and the fact some items may only be available in certain locations. If you’re looking for more space, you can also opt for a convertible 7-cubic-foot chest freezer.

When Costco is offering a sale, there are plenty of ways to save money on these items. For example, you can buy a two-pack of half-sheet pans and a quarter-sheet pan for just $10. These can be useful for sheet pan dinners or lasagna. These deals are often limited so make sure you take advantage of them as soon as possible. You can also save more money by using other Costco hacks.

One way to save money on a refrigerator is to compare prices online. Costco offers a wide range of refrigerator models to suit any budget. Some are under $100, while others cost upwards of $2000. The LG four-door fridge freezer and wine fridge are two of the most expensive models.

Waiting for the off-season is another way to save money on appliances. During this time, manufacturers roll out new models of refrigerators and freezers, and they often reduce their prices to push sales. You should also consider buying AC units and room heaters during these seasons, as they are more affordable in the cooler months.

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