used where a number of hoppers positioned in series require selective feeding. They have two operating conditions, 'straight through' and 'dump'. In the straight through condition, it closes off the respective hopper inlet, allowing the material to be conveyed 'straight through' to the next available reception point.
a transparent tube through which the convey process can be checked visually
this equipment provides the force behind the air used in pressure dilute phase conveying
used at the end of a series of dump valves or where there is only a single reception point within the pneumatic conveying system
a tower that is used to store product (mass storage)
pressure or vacuum is used to convey product in slugs with low air velocities and high pressures and have high material to air ratios (up to 50 to 1)
Down
a filter that is used capture dust at the source (i.e. vent silos, work bins, hammer mills, load-out spouts, conveyor belts…etc)
vessel designed in accordance with ASME specifications for operating pressures over 15 psig. ASME certification and national board registration required.
pressure or vacuum is used to convey product with high air velocities and low pressures (less than 15 PSI) and have low material to air ratios (typically less than 12 to 1)
the distance by which one object clears another (in the case of airlocks this is measured in the thousandths of an inch, .004 to .007 is a common range for the MD class I airlock)
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All your puzzles are accessible from your 'My Puzzles' page, which you can access using the navigation bar at the top when you are logged in.
Be sure to log in using the same email address you used when you created your puzzle.
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There is a 'Make Printable' button on the top left of your puzzle that will let you sign up for a plan or purchase a single puzzle.
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Once you publish your puzzle, you can click the print icon or use your browser’s print function.
It looks weird when printed.
First make sure you’ve published your puzzle. See the 'How do I print?' section above for more information.
99% of other printing issues have to do with printer settings. Instead of trying to fiddle with printer settings, which can be time-consuming and frustrating, there are a couple workarounds you can try.
You can try printing from a different browser, since different browsers have different default print settings. Alternately, you can try saving as a PDF (next to the print icon) and print that.
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We invested in building a number of premium features that free sites are unable to offer: the ability to automatically or manually add words to your puzzle, save-as-you-go puzzle editing, the ability to access your puzzles from any computer, an uncluttered and ad-free interface, the ability for friends and colleagues to solve your puzzles online, and quick responsiveness to reported issues.
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We’re constantly trying to provide a clear and straightforward user experience, and we’re not trying to hide the price: on the page where you make your puzzle, the price is listed in the overview in the top left (before you log in), below the 'Make Printable' button (after you log in), in the FAQ below the grid, and also in the tour.
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Not all my words are in my puzzle.
When you hit the 'Arrange' button, our algorithm will try to arrange all your words on the grid, and will move words around to try to fit the most words.
This will get all the words on the grid about 90% of the time, depending on the word list. For the other 10%, you will get an alert explaining that the words that did not fit were added to the scratchpad.
It prints on two pages.
Big puzzles won’t always print on one page — the clues and grid are the smallest we could make them while keeping them readable for everyone.
That said, different browsers print in slightly different ways, so you could try using 'print preview' using a different browser (or try the PDF button) to see if you like how that looks better.
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Check your spam folder, and be aware that some school email systems block emails from non-school email addresses. Try providing a different email address if you think our emails to you are being blocked.
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