As with all SAVRI videos, I tend to take a top-down approach.

與所有 SAVRI 視頻一樣，我傾向於採用自上而下的方式。

We'll look at the HRSIG from 10,000 feet, and then we'll zoom in and look at it in more detail as we drill down to the component level.

我們將從 10,000 英尺的高度來觀察 HRSIG，然後我們將放大並更詳細地觀察它，深入到組件層面。

What we're looking at now is a combined cycle power plant.

我們現在看到的是聯合循環發電廠。

You can see that there are two HRSIGs, that's these weird-shaped items over here.

你可以看到，這裡有兩個 HRSIG，也就是這些奇怪形狀的東西。

They're quite narrow at the one end, narrow on the right, and then wider on the left.

一端很窄，右邊窄，左邊寬。

That's a good way to identify the HRSIGs from a distance or whenever you're walking around the plant.

這是從遠處或在工廠周圍行走時識別 HRSIG 的好方法。

Each HRSIG has a gas turbine.

每個 HRSIG 都有一臺燃氣輪機。

The gas turbines are within these gray boxes, and each gas turbine has an electrical generator enclosed within this cream box, and each one of those generators has an electrical transformer.

燃氣輪機在這些灰色的盒子裡，每臺燃氣輪機都有一個發電機，封閉在這個奶油色的盒子裡，每個發電機都有一個變壓器。

We have a separate video concerning combined cycle power plants, so I'm not going to go into great detail concerning how they work, although I will give you just a quick overview.

我們有一個關於聯合循環發電廠的單獨視頻，所以我不會詳細介紹它們的工作原理，但我會給你一個簡單的概述。

Each gas turbine acts as an electrical generator and also a heat source.

每臺燃氣輪機既是發電機，也是熱源。

We're going to use fuel, which is chemical energy.

我們要使用燃料，也就是化學能。

We're going to burn it.

我們要燒掉它。

That causes our gas turbine rotor to rotate.

這導致我們的燃氣輪機轉子旋轉。

We rotate the generator rotor within this beige-colored box, and as a result, we generate electricity.

我們在這個米黃色的盒子裡轉動發電機轉子，從而產生電力。

The gas turbines, though, will discharge a lot of hot gases, typically at a temperature of around 500 or 550 degrees Celsius.

不過，燃氣輪機會排出大量熱氣，溫度通常在 500 或 550 攝氏度左右。

In the past, people took those waste gases and all of the heat energy they contain, and they discharged them directly through a stack, like this one here, and all of that potential heat energy that we could have harnessed or recovered was lost.

過去，人們把這些廢氣和其中蘊含的熱能直接通過煙囪排放出去，就像現在這樣，我們本可以利用或回收的所有潛在熱能都流失了。

Nowadays, that is not commercially viable.

如今，這在商業上是行不通的。

It's too expensive just to waste that large amount of heat, so we're going to need to recover it.

浪費大量熱量的代價太高，是以我們需要回收這些熱量。

The best way to recover the heat energy is by allowing it to flow across water tubes and transferring the heat energy to the water in order to generate steam.

回收熱能的最佳方法是讓熱能流經水管，並將熱能傳遞給水，從而產生蒸汽。

That's what our HRSEG allows us to do.

這正是我們的 HRSEG 所能做到的。

It is a heat recovery steam generator.

這是一臺熱回收蒸汽發生器。

It recovers heat in order to generate steam.

它回收熱量以產生蒸汽。

In this particular example, in our combined cycle power plant example, the gas turbines are the heat source, but this might not always be the case.

在本例中，在聯合循環發電廠的例子中，燃氣輪機是熱源，但情況並非總是如此。

Some industrial processes generate a lot of heat, for example, a smelter.

有些工業過程會產生大量熱量，例如熔煉爐。

It's not possible for a smelter to use all of the heat that it generates, so they'll try to recover that heat and use it internally, perhaps for different processes, but if that can't occur, then they'll try to sell the heat to a neighboring industrial plant or to any other consumer that wants to have it.

冶煉廠不可能使用其產生的所有熱量，是以他們會嘗試回收熱量並在內部使用，或許用於不同的工藝，但如果無法做到這一點，他們就會嘗試將熱量出售給鄰近的工業廠房或任何其他想要獲得熱量的消費者。

A good example would be a brewery, although there are many other examples as well.

釀酒廠就是一個很好的例子，當然還有很多其他例子。

The heat recovered can be used to heat buildings, heat factories, heat hot water, generate steam, which can then be used in many other industrial processes.

回收的熱量可用於為建築物供暖、為工廠供暖、加熱熱水、產生蒸汽，然後可用於許多其他工業流程。

The applications are numerous.

應用領域非常廣泛。

This is why when you have a facility that generates a lot of heat, you'll often see that other companies move to the area and they'll build an industrial plant directly neighboring the plant that generates all the heat, and they'll do this so that they can then purchase this heat at a much lower cost compared to if they produced the heat themselves.

這就是為什麼當你有一個產生大量熱量的工廠時，你會經常看到其他公司搬到這個地區，他們會在產生所有熱量的工廠附近直接建造一個工業廠房，這樣他們就能以比自己生產熱量低得多的成本購買熱量。

This way, it works out to be quite cost-effective for both plants, both the seller and the buyer.

這樣一來，對賣方和買方兩家工廠來說都相當划算。

If you want to use any of the 3D models shown in this video, then head on over to saviri.com.

如果您想使用本視頻中展示的任何 3D 模型，請訪問 saviri.com。

We've got over 400 engineering 3D models that you can use directly through a web browser in AR or VR.

我們有 400 多個工程 3D 模型，您可以直接通過網絡瀏覽器在 AR 或 VR 中使用。

If you want to learn more about engineering, we've got over 45 hours of engineering video tutorials and courses at saviri.com, and you can learn about valves, pumps, power stations, electrical transformers, and many other common engineering machines and processes.

如果您想了解更多工程方面的知識，我們在 saviri.com 上提供了超過 45 小時的工程視頻教程和課程，您可以瞭解閥門、泵、發電站、變壓器以及許多其他常見的工程機械和工藝。

Before you go, don't forget to subscribe to the YouTube channel.

走之前，別忘了訂閱 YouTube 頻道。

Thank you very much for your time.

非常感謝你抽出時間。