our products

D&Q Mining is a high-tech company integrating R&D, production and sales. It provides mature products and solutions such as crushers, sand making, milling equipment, mobile crushing stations, etc., for aggregate, mining and waste recycling.

apparatus intended for use in mines

A Guide on Mining Equipment Used in the Mining Industry

Working in the mining industry requires the use of different types of machinery. These machines help achieve different mining tasks with precision and efficiency. If you’re new to mining, it’s

More

Guidance on the repair and overhaul of apparatus intended

of apparatus intended for use in coal mines susceptible to firedamp This is a web-friendly version of Guidance on the repair and overhaul of apparatus intended for use in coal mines susceptible to firedamp, originally produced by HM Inspectorate of Mines

More

30 CFR § 75.1907 Diesel-powered equipment intended for

§ 75.1907 Diesel-powered equipment intended for use in underground coal mines. (a) As of November 25, 1996 all diesel-powered equipment used where permissible electrical equipment is required must be approved under part 36 of this chapter.

More

Use of Flame Proof Equipment's in Mines (With Diagram)

Oil filled equipment is not specified for group gases in B. S. 4683. [Note: The maximum joint gaps laid down in B. S. 229 are principally for the guidance of manufactures. When working on flameproof apparatus at a pit, the gap dimensions laid down by the mining electrical engineer must be adhered to if different from those specified above.]

More

Equipment Qualification: Ensure Fit for Intended Use IVT

Jan 23, 2017· In order for equipment to have the appropriate design, size, and be located suitably, we need to understand the equipment impact and requirements to ensure that it is fit for intended use. Code 211.68 regarding automatic, mechanical, or electronic equipment

More

MSHA Compliance Guide for MSHA's Regulations on Diesel

Section 75.1907-- Diesel-powered equipment intended for use in underground coal mines Q. If the engine on a unit of nonpermissible diesel-powered equipment is sent out for rebuilding, what requirements apply? A. After November 25, 1999, all engines on nonpermissible diesel-powered equipment must be approved under subpart E of part 7.

More

15 Adaptive Re-Uses for Old Mines Mental Floss

Mar 15, 2016· Another hyper-practical (some might say “boring”) use of an old mine is the U.S. Office of Personnel Management Retirement Operations Center, which has turned a 230-foot deep limestone mine

More

Pitworthiness considerations for manufacturers of ignition

For manufacturers of ignition protected electrical equipment intended for use in potentially explosive atmospheres in UK mines This is a web-friendly version of Pitworthiness considerations, originally produced by HM Inspectorate of Mines Contents Introduction 3 General considerations 5 Additional requirements for switchgear 7

More

U.S. Bureau of Mines/NIOSH Mining Electrical Safety

the use of such equipment in gaseous mines and further stated that the Bureau would give its seal of approval to acceptable apparatus as being permis-sible. Schedule 2, approved by the Secretary of the Interior, October 26, 1911 was the irst schedule issued and covered testing of motors. The Bureau

More

What is intended use claim language? Patent Trademark

“Intended use” refers to language in a patent claim that arguably describes a purpose or function of the thing being claimed. It is, therefore, not given any patentable weight by a patent examiner who has deemed a claim limitation to constitute intended use. By regarding certain claim language as intended use, the examiner can generally disregard the []

More

A Guide on Mining Equipment Used in the Mining Industry

Working in the mining industry requires the use of different types of machinery. These machines help achieve different mining tasks with precision and efficiency. If you’re new to mining, it’s

More

Underground Mining Safety Equipment Checklist Grainger

The deeper the mine, however, the greater the risk. Safety Challenges in Underground Mines. According to the United States Department of Labor, Mining Health and Safety Administration (MHSA), 70 percent of mine accidents in the U.S, are related to using heavy machinery and other equipment at the worksite.

More

Equipment Qualification: Ensure Fit for Intended Use IVT

Jan 23, 2017· In order for equipment to have the appropriate design, size, and be located suitably, we need to understand the equipment impact and requirements to ensure that it is fit for intended use. Code 211.68 regarding automatic, mechanical, or electronic equipment

More

AI Helping Extract Value In The Mining Industry

Aug 09, 2019· Mining equipment manufacturers and development companies are increasingly making use of AI to provide greater value and reliability to the industry while also

More

Mine rescue Wikipedia

The apparatus was further developed by Siebe Gorman into the Proto rebreather. In 1908 the Proto apparatus was chosen in a trial of equipment from several manufacturers to select the most efficient apparatus for use underground at Howe Bridge Mines Rescue Station and became the standard in rescue stations set up after the Coal Mines Act of 1911.

More

MSHA Compliance Guide for MSHA's Regulations on Diesel

Section 75.1907-- Diesel-powered equipment intended for use in underground coal mines Q. If the engine on a unit of nonpermissible diesel-powered equipment is sent out for rebuilding, what requirements apply? A. After November 25, 1999, all engines on nonpermissible diesel-powered equipment must be approved under subpart E of part 7.

More

U.S. Bureau of Mines/NIOSH Mining Electrical Safety

the use of such equipment in gaseous mines and further stated that the Bureau would give its seal of approval to acceptable apparatus as being permis-sible. Schedule 2, approved by the Secretary of the Interior, October 26, 1911 was the irst schedule issued and covered testing of motors. The Bureau

More

What is the difference? An overview of “Intended for Use

The words “Intended Use,” “Indications for Use,” and “Instructions for Use” are defined as the following. “Intended Use” is defined as the general use statement of a medical product or “what is the use of the device?”1 It tells the user what the device is meant to do over the lifetime of the product.

More

Examples of Intended Use

Examples of Intended Use Let's take a look at three examples to gain clarity on the importance of your product's intended use. Select each photo to learn more.

More

What is intended use claim language? Patent Trademark

“Intended use” refers to language in a patent claim that arguably describes a purpose or function of the thing being claimed. It is, therefore, not given any patentable weight by a patent examiner who has deemed a claim limitation to constitute intended use. By regarding certain claim language as intended use, the examiner can generally disregard the []

More

Self-contained self-rescue device Wikipedia

A self-contained self-rescue device, SCSR, self-contained self-rescuer, or air pack is a portable oxygen source for providing breathable air when the surrounding atmosphere lacks oxygen or is contaminated with toxic gases, e.g. carbon monoxide.. Self-rescuers are intended for use in environments such as coal mines where there is a risk of fire or explosion, and in a location where no external

More

BS 7924:1999 Code of practice for the repair and

BS 6704:1996 Code of practice for selection, installation and maintenance of intrinsically safe electrical equipment in coal mines BS 7924:1999 Code of practice for the repair and overhaul of certified electrical apparatus intended for use in mines susceptible to firedamp

More

Colorado School of Mines Home Colorado School of Mines

Mines has always been a bit different, so if you’re excited to do something new and big, we should be on your list. Our Hometown Is Golden. Learn More About Golden. Colorado School of Mines 1500 Illinois St., Golden, CO 80401 303-273-3000 / 800-446-9488. Admissions & Financial Aid

More

Property, Plant and Equipment: Proceeds before Intended

On May 14, 2020, the IASB published Property, Plant and Equipment — Proceeds before Intended Use (Amendments to IAS 16) regarding proceeds from selling items produced while bringing an asset into the location and condition necessary for it to be capable of operating in the manner intended by

More