several wire types

How to Get the Most Out of Your Flexible Screw Conveyor

Increasing Conveyor Performance and Efficiency Due to their relatively low cost and simple construction, flexible screw conveyors are one of the most common types of conveyors used by manufacturers. The…

Round link chains

The Case for Engineered Chains Over Round-Link Chains

Both varieties of chain-type tubular drag conveyors often compete for the same work. Here’s why they shouldn’t. The concept of tubular drag conveying is a common consideration among industries needing…

feeder

Material Effect on Power Requirements for Screw Feeders

CHALLENGE A screw feeder is commonly used to meter flow in powder processing applications because of ease of use, low maintenance, and material integrity without degradation. The relatively simplistic equipment…

Image of different types of food and wooden scoops

Key Factors of Material Handling Equipment Design and Selection

Considerations When Handling Dry Ingredients INTRODUCTION Successful conveying and handling of dry ingredients requires much more input than understanding a material’s properties, the desired convey rate and distance. Today’s manufacturers…

bulk bag filler plastics line of equipment

Bulk Bag Filler – Plastics Manufacturer Uses Bulk Bag Filler FIBC System

CHALLENGE A plastics manufacturer needed a bulk bag filler that could be adjusted to fill a variety of large bag sizes (tall as 72 inches). In addition, the customer required…

Hapman Vacuum Conveyor Family

Pneumatic Conveying Systems

Choosing a Pneumatic Conveying System: Pressure or Vacuum Because they are efficient and inherently dust-tight, pneumatic conveying systems provide the most practical method for moving large quantities of dry materials,…

vacuum conveying system rendering of multiple

Vacuum Conveying System Eliminates Cross-Contamination for Pharmaceutical Company

CHALLENGE A major pharmaceutical company came to Hapman for assistance in providing them with a vacuum conveyor system to meet their specific requirements. It was to take their finished product…

two construction workers conversing in machinery

Bulk Bag Unloading Stations with Integral Pneumatic Conveying System Accurately Delivers Metered Materials

CHALLENGE Deliver measured amounts of four powdered ingredients, received in bulk bags to slurry tanks. Some materials are hygroscopic, flow poorly in humid environments and may contain small agglomerations. Whereas…

mixing solutions and slurries

Mixing Solutions and Slurries – Effectively, Economically, and Safely Mixing Diatomaceous Earth

EP Minerals, located in Reno, Nevada, is a major producer of diatomaceous earth, cellulose and perlite filter aids, coatings, absorbents, and soil additives. The company enlisted Hapman to help develop…

Hapman Tubular Drag Conveyor and En-Masse Drag Conveyor

Drag Chain Conveyor Operation Understanding the Functional Differences Between Drag Conveyor and En-Masse Drag Conveyor

Understanding the Functional Differences Between Drag Conveyor and En-Masse Drag Conveyor Chain conveyors whether known as Drags, Scraper, Paddle, or En-Masse all start out with a continuous chain and fixed…

an assortment of piping and fixings

Drag Chain Conveyor Aluminum Foundry Automates Transfer Process with a Dependable, Heavy-Duty, Single Strand Top Carry Drag Chain

CHALLENGE Manually shoveling sand to fill cope and drag boxes (casting flask) for sand casting is a physically demanding process for mold makers, who on average shovel 20 tons of…

Filter cake of a conveyor chain link

Drag Chain Conveying System Supports Refinery Filter Cake Recycle and Reuse

CHALLENGE A large oil company sought to expand refinery operations at one of their global locations. The expansion required an effective way to handle the filter cake at a new…

dust cloud plume

Hapman Maintains EPA Standards by Meter Feeding Enviroblend into a Dust Collection System

CHALLENGE EPA standards required this company to feed Enviroblend® into their dust collection system at a precisely controlled rate of 30 pounds per hour so the emissions would be at…

basic American foods

Basic American Foods Expands Plant Capacity in Record Time, Ensures Reliability with MiniVac Pneumatic Conveyors

Download PDF A4 CHALLENGE A processor must expand its capacity and add new lines in half the time normally required for such a project. The material being conveyed is a…

Hapman supplied the processor with an integral hopper and Helix® Flexible Screw Conveyor

Overcoming the Challenges of Handling Salt in Bulk – The Moisture Absorbing Nature of Salt

CHALLENGE An Italian food processor added a new pasta line to meet growing demand for small batch, premium pasta. The granulated salt used for this process came in 2,000 lb…

Vacuum Conveyor System Automates Material Handling

Bulk Bag Unloader and Vacuum Conveyor System Automates Material Handling and Adds Cost Savings

CUSTOMER Werner G. Smith INDUSTRY Chemical CHALLENGE Werner G. Smith, Inc. was awarded a long-term contract from a new customer which required the blending of a granular powder with an…

man cleaning a wastewater treatment system

Custom Bulk Bag Unloading System Helps the Village of Gilberts to Maintain EPA Standards for Wastewater Treatment

CHALLENGE Harry Harman, P.E. of Baxter & Woodman, consulting Engineers, received a call from an official with the Village of Gilberts in the State of Illinois. The call was a…

Image of inside facility

Tubular Drag Conveying – A Cost-Effective, Energy-Saving Alternative to Pneumatic Conveying

Pneumatic conveying is often considered the standard solution for transferring materials in bulk solids plants. In many applications, however, a type of mechanical conveying — tubular drag conveying — can…

Tubular Drag Conveyor with multi chains

The Evaluation of Tubular Drag Conveyor Types

The Tubular drag conveyor has become the system of choice for many manufacturers who process bulk materials because of the conveyor’s layout flexibility, many flight and chain options that prevent…

USU lab

Uniformed Services University Health Science Center for Laboratory Animal Medicine Overcomes a Severe Bedding Handling Challenge

CHALLENGE A fully operational research laboratory needed a better way for technicians to remove and dispose of more than 1,200 pounds of soiled animal bedding per day. CUSTOMER Uniformed Services…

University of California laboratory exterior

The University of California San Francisco, Laboratory Animal Resource Center (LARC) Finds Significant Cost Savings in Effective Handling of Waste Bedding Material

CHALLENGE The facility, which manages over 55,000 rodent cages, needed a more reliable and cost effective way to dispose of waste bedding, as well as mitigate allergen exposure, and reduce…

mice bedding

Biotech Lab Handling Dirty Mice Bedding From Cages with Cleaning Disposal System

CHALLENGE A biotech lab needed an easy and dependable method to handle dirty animal bedding from cages. SOLUTION A Hapman tubular drag conveyor with a specialized dump hopper. The cages…

mining operation

Tubular Drag Conveying System – Mining Operation Handles and Conveys Ammonium Nitrate Reducing Degradation

CHALLENGE A mining operation located in the mountains of Chile required an equipment method to handle and convey ammonium nitrate (NH4NO3) without degradation, 50 feet vertically, into a silo. Their…

hand on tire

Tubular Drag Conveying System – Tire Manufacturer with Dust-Free Multiple Inlet System Handling Carbon Black

CHALLENGE A major tire manufacturer needed to fit a material handling conveyor into a tight space, move the material (carbon black) from inlets and discharge it at two locations. In…

food processing equipment

Food Processor Replaces Aeromechanical Conveyor with Hapman Tubular Drag System Eliminating Contamination, Clogging, Jamming & Shutdowns

CHALLENGE A fast growing, finished product food processor was using aeromechanical conveyors to convey product in their production operations for processing and prepackaging. Unfortunately, the aeromechanical conveyors caused serious problems…

fiber-by-product closeup

Fiber By-Products Reduces Maintenance, Dust and Reprocessing of End Product with Tubular Drag Conveyor

Download PDF A4 CHALLENGE A pelletized fuel manufactuer was spending time and effort maintaining a conveyor that also created fines and dust. CUSTOMER Fiber By-Products Corporation INDUSTRY Pelletized Fuel Manufacturer…

construction man with a green jacket leaning against a control panel

Stillwater Mining Improves Smelting Efficiency and Yield, Eliminates Dust with Tubular Drag Conveyor

CHALLENGE Stillwater Mining was challenged with maintaining constant temperatures in a smelting furnace to ensure efficient extraction. Also, to create a safe, environmentally friendly process for dumping bulk bags of…

flakes of material in a pile

The Genentech South San Francisco Campus Achieves Cost Savings and Operating Efficiency By Applying the Right Waste Bedding Handling System

CHALLENGE More than 150 bags of bedding are required to support the cage changing process performed weekly. When plans were in place to construct a new multi-story vivarium, Laboratory Animal…

Cage wash area

Human Health Benefits, Operational Efficiencies, Increased Productivity, Cost Improvements

Case Study: Human Health Benefits, Operational Efficiencies, Increased Productivity, Cost Improvements CHALLENGE GlaxoSmithKline faced a waste bedding management challenge involving both laboratory animal allergies and ergonomic related employee injuries. CUSTOMER…

pre-mix solutions

Pre-Mix Solutions and Slurries – Effectively, Economically and Safely

INDUSTRY Chemical Industry CHALLENGE A perpetual challenge in the chemical industry has been finding an ideal way to effectively mix solids and liquids to create optimal slurry – and at…

bag of chips

Snack Food Producer with One Conveyor for Many Jobs – Portable Hi/Lo Helix® Flexible Screw Conveying System

CHALLENGEOne of the nation’s largest producers of snack foods required a way to quickly clean the conveyor in between batches. It also required the ability to move the conveyor from…

non-descriptor skittles

Sweets Manufacturer Batching from Standard and Bulk Bags

Challenge A major manufacturer of sweets required a highly versatile system to convey and accurately weigh batches for mixing and discharge into a hopper before final processing into their calcium…

Bulk bag unloaders in the mountains

Portable Bulk Bag Unloading – Chemical Company Charging Hoppers with Limestone Combining with Helix® Flexible Screw Conveyor

CHALLENGE A chemical company had to periodically charge their holding hoppers with ground limestone. Due to the number of hoppers and their infrequent need for charging they did not feel…

aluminum casting company pouring multen liquid into a mold

Aluminum Casting Company Leverages Custom-Built Hapman Equipment to Create a Cleaner, Quieter Foundry

Download PDF A4 BUSINESS BENEFITS REALIZED Eliminated dusting – Reduced equipment maintenance issues Potential revenue from waste Additional recycling opportunities Reduced noise levels – created a better working environment for…

dry bulk food

Helix® is the Top Choice for Specialty Dry Bulk Food Company

CHALLENGE Guixens Food Group, located in Tampa, Fla., needed a single conveyor for their new facility that could handle material bulk densities ranging from ultra-fine corn flour to fragile dry…

outside look at Dyno Nobel facility

Issues of Unloading Ammonium Nitrate Prill are Eliminated with Tubular Drag Conveyor System

CHALLENGE Help transition a facility from manufacturing plant to distribution hub. Design and build a safe, automated way to unload bulk material from railcars. CUSTOMER Dyno Nobel INDUSTRY Mining The…

Hapman selection of conveyors

Moving Material Through a Process

CHALLENGE Selecting a conveyor for a bulk material handling application is not always as straight forward as one might think. Moving material consistently, at a rate that is inline with…

mitigating risk of dust

Mitigating the Risk of Dust from Bulk Bag Discharge

CHALLENGE Controlling dust is a constant challenge for any processor that handles dry bulk material. The hazards from dust span the health and safety spectrum from mildly irritating and unclean,…

Tubular Drag Conveyor with multi plains

Innovative Conveying Solutions: Ensuring Safety, Protecting Materials, and Enhancing Efficiency

CHALLENGE Engineering conveying systems for today’s processors requires far more than just moving product from point A to point B. Engineers must also consider plant and worker safety through assessing…

iris valve

How Does an Iris Valve Work

Most of us are familiar with the iris diaphragm, a simple mechanism that can expand or decrease the opening of a circular hole. Common examples are camera shutters and the…