Lead Smelting And Refining With Some Notes On Lead Mining
Lead Smelting And Refining With Some Notes On Lead Mining
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In our eReader you can find the full English version of the book. Read Lead Smelting And Refining With Some Notes On Lead Mining Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Lead Smelting And Refining With Some Notes On Lead Mining
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Mr. Bretherton remarked that he had been recently informed by August Raht that by actual experiment the loss with the ordinary rotary blowers was 100 per cent, under 10 Ib. Pressure; that is, it was possible to shut all the gates so that there was no outlet for the blast to escape from the blower and the pressure was only 10 Ib. , or in other words the blower would deliver no air against 10 Ib. Pressure. For that reason Mr. Raht expressed himself as being in favor of blowing engines for lead bl...ast furnaces. This is of special interest, inasmuch as it comes from one who is recognized as standing in the first rank of lead-smelting engineers. Mr. Raht is not alone in holding the opinion he does.
The rotary blower did good service in the old days when the air was blown into the lead blast furnace at comparatively mod- erate pressure. At the present time, when the blast pressure employed is commonly 40 oz. At least, and sometimes as high as 48 oz. , the deficiencies of the rotary blower have become more apparent.
What to read after Lead Smelting And Refining With Some Notes On Lead Mining?
You can find similar books in the "Read Also" column, or choose other free books by Walter Renton Ingalls to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
Mr. Bretherton remarked that he had been recently informed by August Raht that by actual experiment the loss with the ordinary rotary blowers was 100 per cent, under 10 Ib. Pressure; that is, it was possible to shut all the gates so that there was no outlet for the blast to escape from the blower and the pressure was only 10 Ib. , or in other words the blower would deliver no air against 10 Ib. Pressure. For that reason Mr. Raht expressed himself as being in favor of blowing engines for lead bl...ast furnaces. This is of special interest, inasmuch as it comes from one who is recognized as standing in the first rank of lead-smelting engineers. Mr. Raht is not alone in holding the opinion he does.
The rotary blower did good service in the old days when the air was blown into the lead blast furnace at comparatively mod- erate pressure. At the present time, when the blast pressure employed is commonly 40 oz. At least, and sometimes as high as 48 oz. , the deficiencies of the rotary blower have become more apparent.
What to read after Lead Smelting And Refining With Some Notes On Lead Mining?
You can find similar books in the "Read Also" column, or choose other free books by Walter Renton Ingalls to read onlineMoreLess
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