#MEL Group

[industrial-boiler]

Working Principle of Steam Boiler

In the realm of industrial machinery, few devices are as pivotal and pervasive as the steam boiler. For centuries, steam boilers have been the backbone of various industries, powering everything from locomotives to manufacturing processes. Their versatility, efficiency, and reliability make them indispensable assets in modern society. In this comprehensive guide, we delve deep into the intricacies of steam boilers, exploring their workings, applications, maintenance, and environmental impact.

Understanding Steam Boilers:

At its core, a steam boiler is a closed vessel that converts water into steam through the application of heat. This generated steam is then utilized for various purposes, such as powering turbines, heating buildings, sterilizing equipment, and more. Steam boilers operate on the principle of thermodynamics, harnessing the energy stored in water molecules to produce steam under controlled conditions.

Types of Steam Boilers:

Steam boilers come in various types, each tailored to suit specific applications and operational requirements. Some common types include:

Fire-tube Boilers: A fire tube boiler is a type of boiler characterized by a sealed container containing water and a network of tubes traversing it. These tubes convey hot gases from a fire, which in turn heat the water within, producing steam as a result. The functioning of a fire tube boiler is uncomplicated and direct. Combustion of fuel occurs within the furnace, generating hot gases that travel through the fire tubes. As these gases transfer their heat to the water encasing the tubes, the water's temperature and pressure increase. Subsequently, the steam ascends to the steam dome for utilization in diverse applications. The feed-water inlet replenishes the water supply.

The steam's pressure and temperature are contingent upon the boiler's dimensions, design, and the characteristics of the fuel used. Horizontal Return Tubular (HRT) is the most common designs used in fire tube boiler.

Some of the advantages of fire tube boilers are-

Simple design and construction make them user-friendly.

Cost-effective compared to water tube boilers.

Efficiently adapt to changes in steam demand.

Maintain low operating and maintenance expenses.

Boast a strong safety record thanks to their low-pressure operations.

Water-tube Boilers: In contrast to fire-tube boilers, water-tube boilers have water-filled tubes that are heated internally by combustion gases. This design allows for higher pressure and temperature capabilities, making water-tube boilers ideal for large-scale industrial processes and power generation.

There exist various categories of water tube boilers, including-

Horizontal Straight Tube Boiler.

Bent Tube Boiler.

Cyclone Fired Boiler.

Advantages of water tube boilers include-

Rapid steam generation: Water transforms into steam at a faster rate due to its flow through the tubes, which are enveloped by the heat source.

Reduced water consumption: Water-tube boilers necessitate less water compared to other types.

Flexibility in handling fluctuating demands: These boilers can adjust to varying loads with greater ease.

Longer lifespan: Water-tube boilers generally boast a longer operational life.

In a fire tube configuration, hot flue gas passes through tubes enveloped by water. Conversely, in a water tube setup, the process is reversed - water is heated as it travels through a tube surrounded by flue gas. Fire tube boiler is cheaper than the water tube boiler and also easy to maintain. On the other hand water tube boiler is larger in capacity. Water-tube boilers typically feature several drums or shells, in contrast to the singular drum found in fire tube boilers. Firetube boilers offer significant benefits, notably their cost-effectiveness. They can be acquired at a fraction of the price compared to watertube boilers, typically ranging from 50 to 60 percent less. Additionally, these boilers boast ease of maintenance and repair, as servicing can be conducted externally, simplifying cleaning and upkeep procedures. Horizontal firetube boilers are the most commonly used in the industry. Although the efficiency is in the lower side but compare all the section fire tube boiler is more effective for small industry as fire tube boiler is cost effective and also fire tube boiler is easy to maintain with the efficiency rate of 80%.

Electric Boilers: Electric boilers utilize electricity to heat water and produce steam. They are highly efficient, environmentally friendly, and offer precise control over temperature and pressure. Electric boilers are commonly used in residential heating systems, as well as in certain industrial applications.

Package Boilers: These boilers are pre-assembled and factory-tested, offering a convenient and cost-effective solution for various steam generation needs. Package boilers are available in a range of sizes and configurations, making them suitable for both small and large-scale operations.

Applications of Steam Boilers:

The versatility of steam boilers enables their use across a wide spectrum of industries and applications, including:

Power Generation: Steam turbines driven by steam produced in boilers are used to generate electricity in power plants.

Heating: Steam boilers provide heat for industrial processes, district heating systems, and residential buildings.

Manufacturing: Steam is utilized in numerous manufacturing processes, such as food processing, textile production, chemical synthesis, and papermaking.

Transportation: Steam locomotives, ships, and certain aircraft rely on steam boilers for propulsion and power generation.

Healthcare: Steam boilers are essential for sterilizing medical equipment and maintaining sterile environments in hospitals and laboratories.

Maintenance and Safety:

Proper maintenance and adherence to safety protocols are critical to ensure the efficient and safe operation of steam boilers. Key maintenance tasks include regular inspection, cleaning, and testing of boiler components, such as tubes, valves, and safety devices. Additionally, boiler operators must undergo comprehensive training to handle equipment properly and respond effectively to emergencies.

Environmental Impact:

While steam boilers offer numerous benefits, they also pose environmental challenges, primarily related to emissions and energy consumption. Efforts to mitigate these impacts include the development of cleaner combustion technologies, the use of alternative fuels, and the implementation of energy-efficient practices. Additionally, advancements in boiler design and regulation aim to minimize environmental pollution and enhance sustainability.

Conclusion:

In conclusion, steam boilers play a vital role in modern industry, providing a reliable and efficient source of energy for a wide range of applications. From power generation to manufacturing and beyond, steam boilers continue to drive progress and innovation across various sectors. By understanding their workings, applications, and environmental implications, we can harness the power of steam boilers responsibly and sustainably, ensuring a brighter future for generations to come.

To find best steam boiler in Bangladesh please visit MEL Group (www.melbd.com) which is the 1st certified boiler manufacturer in Bangladesh.

[gallifreyanhotfive]

Had a dream last night of Mel swaggering into the next companion support group meeting wearing both Six's and Seven's clothes that she somehow still had after everything that happened. Just straight up sauntering in there like she was that bitch. And I can't stop giggling about the visual

[mel-loly]

-It's not your impression, he really did it.

[beompercar]

ㅤㅤbut i'll- pray for you all the timeㅤㅤ ⊹ ࣪ ˖ 🐚

ㅤㅤㅤㅤㅤㅤㅤ🍨 𖦹ׂ ₊˚⊹⋆ㅤㅤㅤㅤ ~ㅤㅤㅤif i could be by your side, ⋆.˚

ㅤㅤㅤ⋆.˚ㅤㅤㅤi'll give you all my life, my seasons 𓂃 𓈒𓏸‪‪ 🥥

[luposlipaphobya]

Ok google how to date your boss when you’re haunted by eldritch entities. Asking for a friend.

Another scene from our dnd campaign. Melisande (guy with the braids) belongs to @the-nothing-maker ✨ and Lazuli is my npc!

[spicearchives]

"have you got a good tongue on you ? i hope so if you're gonna be mel b" -geri halliwell

[malinspacescience]

Conversations I have with @rosendiamant before psychically damaging them in the group chat

[binghe-malewife-goals]

[melverie]

⸺ LESSON 1 ⸺

unregistered

Solomon

Solomon & Barbatos

MC's magic

situation in the Devildom

demons & angels (& humans)

strange feelings & soup

misc

- lesson 2 || all posts so far -

1. As you might have seen, I'm trying to connect some plot points atm and have decided to just go through the lessons again in hopes of untangling this mess. Depending on my motivation I might do this for all 40 lessons All of them will be tagged under #mel's descend into madness because that's honestly what it feels like lol 2. This is a mix of gathering facts from the game as well as me trying to make sense of everything. I'll add the lesson references to all things actually stated in the game. That being said, I'll only add them to moments that happen in lesson 1 since that's less work for me lol 3. I'd love to hear your thoughts!! Add stuff, dispute some of my points, theorize, bring up story points that don't make add up to you--idc what it is but I'd love to hear it all!! Either share it directly on here or send me an ask if you'd rather share them as anon 4. General spoiler warning for all of Obey Me Nightbringer, as well as for the original Obey Me

⸺ UNREGISTERED ⸺

most likely Nightbringer, so I'll just call him that -> 'Nightbringer' fits into the amount of characters in their name, and just like the unregistered number, NB later in the story talks about taking MC to a place where they will be happy [1-1//chat 'Untitled' with Unregistered; both pics below]

Fun fact: "lightbringer" (aka the meaning of Lucifer's name) also fits :)

NB knows MC's name because they told him recently from NB's perspective, and a long time ago from MC's perspective [1-1//chat 'Untitled' with Unregistered]

Nightbringer talks about how nothing remains hidden from him and that they see everything (-> Barbatos, Michael, Father?) [1-1//chat 'Untitled' with Unregistered]

this is how NB describes how he sees time [1-1//chat 'Untitled' with Unregistered; pic below]. It's similar to how Solomon claims Barbatos once described time to him

⸺ SOLOMON ⸺

definitely Solomon and not some imposter because his cooking is still the same inedible mess we know him for 💖 [1-17]

he's casting some spell when MC calls him and claims it's for jumping through spacetime [phone call 'Untitled' with Solomon] -> at the very least it doesn't have anything to do with influencing the memories of the others because they already didn't remember MC before their phone call

Solomon is the one who tells us we are in the past [1-12]. I have no reason to doubt him there -> he also says that MC "just disappeared" [1-12]. No mention of anyone's reaction to this though

Solomon is also the one that tells us that we need to reforge our pacts with the brothers if we want to make it back to the [1-12; pic below]

⸺ SOLOMON & BARBATOS ⸺

had (OG) Barbatos lend him his power to come to the past [1-12]

when choosing the option that implies that MC and Solomon are dating, Diavolo response with this [1-9; pic below]. That doesn't sound like there's any bad blood between them yet, at least not from Diavolo's point of view which, in turn, makes Barbatos' behavior toward Solomon so much stranger

⸺ MC'S MAGIC ⸺

Solomon explains that MC's magic is much weaker because their pacts with the brothers aren't functioning properly since they are in the past [1-12] -> the OG already established that MC's magic is tied to their pacts with the brothers (OG's season 2 plot literally revolved around that), so it makes sense -> since they need magic to return to the present, MC is essentially trapped in the past [1-12]

MC isn't able to use the pacts at all at first [1-2, non-amnesia route], however the pacts aren't completely severed as evidenced by MC being able to use the 'Stay!' command [1-5] -> once overcome by a warm light inside them, MC is able to use the pact commands again [1-5]. Imo it somewhat plays out similarly to MC being revived during the lesson 16 incident in the OG (which was Lilith's doing)

something about Solomon's reaction to being told MC used stay bothers me. Idk what though. Then again, maybe he was just worried about MC's safety, so it could also just be nothing [1-9; pic below]

⸺ SITUATION IN THE DEVILDOM ⸺

the Great Celestial War was about a year ago [1-2] -> Mammon mentiond that it felt more like a century to him [1-14; pic below]. Probably nothing but I'm critical of every little detail at this point lol

the demon king is already out of commission, but he was still around to give the brothers their titles as avatars [1-5]

the brothers' arrival threw the Devildom in disarray [1-7]

⸺ DEMONS & ANGELS (& HUMANS) ⸺

both Asmodeus and Diavolo talk about how angels and demons technically aren't enemies anymore, yet both parties are still clinging to what happened in the past [Asmo in 1-15, Dia in 1-18; both pics below]

Diavolo says that the goal of building the school is to bring the Devildom and the Celestial Realm closer together. He generally talks about just the "two realms", completely leaving the humans out of all this [1-18; pic below]

⸺ STRANGE FEELINGS & SOUP ⸺

Diavolo says that he feels like he and MC already share a strong bond [1-18; pic below]

Lucifer indirectly expresses his concern for MC, and is honest about his feelings and worries with them (only to immediately downplay it and snap at MC, thanks Luci 💖) [lesson 1 hard mode]

⸺ MISC ⸺

the House of Lamentation has just been rebuilt in the Devildom. They also once again tell the story of what happened in that house when it was still in the human world and say that it might be cursed [1-7]. Not really all that relevant tbh

Diavolo first talks about building a school [1-17]. RIP 'The Glory Days' devilgram ;-;

Lucifer says that he doesn't trust demons [1-18; pic below]. Will be slightly relevant again in lesson 12 iirc

[kinardsevan]

Someone posted on Oliver’s birthday message on instagram (the official 911 one) that the video was “buddie coded” and I snorted with laughter because the only part that has eddie is him saying “that’s not a good motto” and literally nothing else has to do with him at all. What are they seeing??

I.... I don't know 🤨🤣.

I don't see how a video that's literally been put up to celebrate Oliver is something they can tie into buddie. I try really hard to be nice about it all when it comes to their ship, but there's a lot of grasping at straws in that group. And a lot of the theories are something I don't fully understand (granted I don't deep dive to try and understand them, either).

I'm all for people shipping who they ship, even when that ship is unlikely to ever happen. As I've stated before, I was among those in the Suits fandom who wanted Mike and Harvey to happen. Maybe we were/are spoiled because Patrick and Gabe still like each other and are still willing to work together (such as the t-mobile commercials this year). But the fact that every little thing that happens in this fandom leads to them saying "well it means this!!" is baffling to me. Their breadcrumbs that they say lead to an endgame just lead me in a circle. I'm all for them having their ship. I'm even all for them writing about it. Lord knows I've written plenty of Marvey fics, and also wrote plenty of SVU fics looooonnnggg before E/O started to become canon with the return of Stabler. But when you think it's okay to give hate or insults to another group for liking a canonically happening couple, that's what gets to me. Especially when it's taken into consideration that a number of us are in the #lgbtq community.

I can understand wanting your ship, and hating the things that come between that ship from happening. But if your vitriol is so poisonous that you're becoming a keyboard warrior against other people on the internet just trying to take part in something they enjoy (OR sending that vitriol to the person who's literally only being paid to play a role), then there needs to be some serious consideration on what's actually driving those feelings of inadequacy.

Anyway, you asked a simple question and I rambled 🤣. But that's what I have to say on the subject. And also, happy birthday bb Oliver!

[gallifreyanhotfive]

You all don't know how much I desire a classic Doctor (preferably 5-8 because they're my favorites but whatever) to just...go careening into the companion support group (post PotD). Like??? TARDIS crash landing right outside?

Tegan getting interrupted mid-story by the sound of the crash and finding Five and Turlough in their little Planet of Fire vacation outfits?

Mel getting interrupted by Six and Evelyn after they've had a harrowing adventure (hot cocoa is required).

Ace getting interrupted, and it's an older Seven, who has been traveling alone for so long, who knows that he is running out of time.

And of course, a few people occasionally bringing up a crush they might have had on the Doctor and then BAM, MEET THE EIGHTH DOCTOR.

[mel-loly]

“Sunset”

David and Axel's love confession.

-Beneath the setting sun's embrace,

We find our love in twilight's grace,

Colors blend in a fiery hue,

Reflecting dreams shared by us two.

The sky whispers its soft goodbye,

As stars awaken in the sky,

Hand in hand, hearts intertwine,

In the glow, forever mine.

“Poem” made by: me/Melissa.

[beompercar]

⠀✿ . ݁₊ ⊹ but i think i might- take a bite. 🥯

[ryanthedoctor11]

Imagine a support group being created for your exes, purely to help them move on from you

[y2kculture]

The Spice Girls for a Christmas photoshoot, 1997 ⋆𐙚₊˚⊹

[mewnia]

TWO YEARS HAVE PASSED you know what that means :P Redraw!