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ZHJ-167/1.8 Series Mine Fire-Prevention and Extinguishment Grouting Unit

The mine-use fire-prevention and extinguishing grouting device is a simple, practical, and reliable colloidal fire-suppression system developed based on extensive field experience in coal-mine fire prevention and control, as well as consideration of the economic and operational conditions specific to coal mines. It can be integrated with surface-based fire-suppression systems to inject coagulants or cementing agents and other fire-extinguishing materials into the grouting pipeline near the grouting location underground. Alternatively, it can be used independently to inject polymeric colloids into fire zones underground for fire suppression.

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  • Product Description
  • Mine Fire-Prevention and Extinguishing Grouting Device

    Product Overview

    The mine-use fire-prevention and extinguishing grouting device is a simple, practical, and reliable colloidal fire-suppression system developed based on extensive field experience in coal-mine fire prevention and control, as well as consideration of the economic and operational conditions specific to coal mines. It can be integrated with surface-based fire-suppression systems to inject coagulants or cementing agents and other fire-extinguishing materials into the grouting pipeline near the grouting location underground. Alternatively, it can be used independently to inject polymeric colloids into fire zones underground for fire suppression.

     

    Product Features and Advantages

     

    Features:

    1. The equipment ensures stable flow and pressure, with precise and uniform metering of fire-suppression materials; the gelation rates of the gel and composite colloid can be adjusted according to different conditions to achieve superior fire-prevention and suppression performance.

    2. This equipment features a compact structure, stable performance, and reliable operation; it is simple to operate and easy to use and maintain.

    Advantages:

    1. The equipment is equipped with two hopper openings, enabling simultaneous mixing and grouting of two types of powder materials.

    2. The equipment has a compact footprint.

     

    Terms of Use:

    The loess and lime powder used shall be screened and filtered to ensure that they are free of particles and foreign matter.

     

    Product Uses

    This equipment is a supporting device for the colloidal fire-suppression system. When it is necessary to inject gel or composite colloid into the fire zone of a mine for fire prevention and suppression, this equipment can be used underground near the grouting location to add coagulants (such as NaHCO₃ or NH₄HCO₃) or gelling agents (model: FCJ12—this material is a product developed by our company and is manufactured exclusively by us) and other fire-suppression materials into the grouting pipeline.

     

    Main Technical Parameters

    Project

    Unit

    ZHJ-167/1.8

    ZHJ-100/1.8

    ZHJ-85/1.8

    Output flow

    L/min

    167

    100

    85

    Output pressure

    megapascal

    1.8

    1.8

    1.8

    Input Power

    kilowatt

    11

    7.5

    7.5

    Output speed

    revolutions per minute

    960

    970

    970

    Voltage

    V

    660/1140

    Device outlet

    KJ

    32

    Coagulant

    kg/h

    400–2000

    Fire-extinguishing agent or gelling agent

    kg/h

    50–250

    Stepless speed regulator speed range

    revolutions per minute

    60–300

    External dimensions

    mm

    2400×1000×800

    2200×900×800

    Weight

    kilogram

    610

    550

     

    Product images and videos

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