We are using a chain bucket elevator to convey a powder that is very fine at...
Your questions are very valid. Leakage at the tail shaft of a bucket elevator is very common when handling very fine bulk materials at high temperatures. As you described, the take up has a sliding...
View ArticleTo keep dust from escaping between the screw conveyor cover and body, what...
The best way to prevent product leakage from a screw conveyor is to use a flanged cover that is bolted on 12-inch centers with a good, compressible gasket between the cover and U-trough. A flanged...
View ArticleI need to convey about 2 lbs of chopped fiberglass from a bulk bin about 4 ft...
First of all, it is very important to understand the application better in order to provide a good, working solution. Since the fiberglass strands are fairly short, a screw feeder would be your best...
View ArticleWe currently use a water bath screw conveyor when cooling bio-based products...
The length and size of the heat transfer processor is determined based on your heat load requirements. We will need a few more pieces of information in order to determine the heat load. Based on the...
View ArticleI have screw conveyors throughout my plant conveying a variety of bulk...
Great question! The two different flighting types that you are referring to are Helicoid and Sectional. Helicoid Flighting is manufactured as one continuous helix from carbon or stainless steel....
View ArticleI have two questions: 1) I need to control or increase the feed pressure of a...
You have asked two great questions, the first of which you answered yourself. A screw feeder is the perfect solution for accurately metering a dry PVC powder from a hopper to the feed throat of an...
View ArticleI have two round silos with cone shaped bottoms sitting side-by-side. I store...
The configuration you have proposed has been attempted many times with limited success. It is very difficult to meter bulk materials from two different inlet points on a screw feeder. Each inlet will...
View ArticleI am working on a project with part of the process to transport ground lime...
A screw feeder is the most preferred way to meter ground limestone to a paddle mixer. Screw feeders can be designed to be totally enclosed and dust-tight to prevent any product leakage. Since this is a...
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I have a 16-in. diam by 18-ft long transfer screw conveyor in my plant...
Excellent question! Your problem is not uncommon and there are solutions to prevent this problem from reoccurring. Most bulk materials are easily conveyed using screw conveyors. However, some bulk...
View ArticleWe have two silos of pigments – one is Bayferrox yellow and another is Cathay...
The flow characteristics of bulk materials can vary greatly and depend on the design of the silos and transitions to the weigh hopper. It appears that the Cathay Coat Yellow pigment flows better than...
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