Acid & Alkali Resistant Chemical Corrosion Resistance Laboratory Fume Hood Explosion Proof

Product Details
Customization: Available
Material: Stainless Steel
Type: Slit Type
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  • Acid & Alkali Resistant Chemical Corrosion Resistance Laboratory Fume Hood Explosion Proof
  • Acid & Alkali Resistant Chemical Corrosion Resistance Laboratory Fume Hood Explosion Proof
  • Acid & Alkali Resistant Chemical Corrosion Resistance Laboratory Fume Hood Explosion Proof
  • Acid & Alkali Resistant Chemical Corrosion Resistance Laboratory Fume Hood Explosion Proof
  • Acid & Alkali Resistant Chemical Corrosion Resistance Laboratory Fume Hood Explosion Proof
  • Acid & Alkali Resistant Chemical Corrosion Resistance Laboratory Fume Hood Explosion Proof
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  • Overview
  • Product Description
  • Product Parameters
  • More About the Fume Hood
  • Detailed Photos
  • Fume Hood Maintenance
  • FAQ
Overview

Basic Info.

Model NO.
WJ-1800A
Feature
Corrosion Resistance, Heat Resistant, Acid & Alkali Resistant, Fireproof, Explosion Proof
Hood Type
Standard
Color
Grey
Customized
Customized
Condition
New
Product Name
Chemical Fume Hood
Worktop Material
20+6 mm Ceramic
Liner Material
Ceramic Fiber Board
Input Power
380V/50A
Face Velocity
0.4-0.6 M/S
Application
Environment/Institute/Biology Lab/Chemical Lab
Transport Package
Standard Export Wooden Case Packing
Specification
1800*1205*2400 MM
Trademark
Ample
Origin
Chengdu, China
HS Code
8414809090
Production Capacity
200 Set/Month

Packaging & Delivery

Package Size
1900.00cm * 900.00cm * 2100.00cm
Package Gross Weight
500.000kg

Product Description

Product Description

A fume cupboard or a fume hood or fume cabinet is a type of local ventilation device that is designed to limit exposure to hazardous or toxic fumes, vapours or dust. It is not a storage cabinet.

There are two main types: Ducted and Ductless Fume Cupboards.

Helpful Tips For Choosing A Laboratory Fume Cupboard:

  1. Know what processes will be run and how much room is available in the lab for the hood.
  2. Get a chemical assessment done before viewing the selection of hoods compatible with various solvents, chemicals, and acids.
  3. Fume hoods should be placed away from doorways and air conditioners to safely remove toxins, dust and particulates from the air.
  4. Automatic sash sensors help to save electricity as they will close the sash when no movement is detected for a set amount of time.
  5. Circuit protection boards protect the unit in the event of sudden current fluctuations.
  6. When working with solvents, bench top units are capable of capturing hazardous chemical vapours better than a hood.
Product Parameters
 
                Model Specification   WJ-1500A WJ-1500B WJ-1800A WJ-1800B
External dimensions of equipment(mm) 1500(W)*1205 (D) *2400 (H) 1800(W)*1205 (D) *2400 (H)
Dimension of works pace (mm) 1260(W1)*780(D1) *1100 (H1) 1560(W1)*780(D1) *1100 (H1)
Panel material 20+6mm thick butterfly ceramics
Material of internal lining board 5mm thick ceramic fiber board
Diversion structure Lower air return
Control system Button control panel (LCD panel)
PH value control The medium is alkaline water solution; manual monitoring, and manual control through acid pump and alkali pump.
Input power Three-phase five-wire 380V/50A
Current for air fan Not over 2.8A(380V or 220V can be directly connected)
Maximum load of socket 12 KW(total of 4 sockets)
Water tap 1 set (remote control valve + water nozzle) No 1 set (remote control valve + water nozzle) No
Water discharge way Magnetic chemical pump strong discharge
Using environment For non-explosion indoor use, within 0-40 degrees Celsius.
Applicable fields Inorganic chemistry experiment; Food, medicine, electronics, environment, metallurgy, mining, etc.
Ways of Purification Spray sodium hydroxide solution, no less than 8 cubic meters/hour Spray sodium hydroxide solution.no less than 12 cubic meters/ hour
Ways of surface air speed control Manual control (through the electric air valve to adjust the exhaust air volume or adjust the height of the moving door)
Average surface air speed 0.6-0.8 m/s Exhaust air volume: 1420-1890m3/h (when door height h =500mm) 0.6-0.8 m/s Exhaust air volume: 1760-2340m3/h (when door height h =500mm)
Speed deviation of surface air Not higher than 10%
The average intensity of illumination Not less than 700 Lux; Standard white and uv-free yellow LED lamps; The illumination is adjustable.
Noise Within 55 decibels
Flow display White smoke can pass through the exhaust outlet, no overflow.
Safety inspection No spikes, edges; Charged body and the exposed metal resistance is greater than 2 mQ; Under 1500V voltage, no breakdown or flashover occurred for 1min test.
Resistance of exhaust cabinet Less than 160 pa
Power consumption Less than 1.0kw/h (excluding power consumption of fans and external instruments) Less than 1.2kw/h (excluding power consumption of fans and external instruments)
Water consumption Less than 3.2L/ h Less than 4.0L/ h
Performance of wind compensation With a unique wind compensation structure, the volume of the wind will not cause turbulence in exhaust cabinet and will not directly blow to the staff (need to connect to the air compensation system of the laboratory)
Air volume regulating valve 315mm diameter flanged type anti-corrosion electric air flow regulating valve (electric contact actuator)
 
More About the Fume Hood

The use of perchloric acid, particularly in concentrated form (>72%) and used above room temperature, can result in the accumulation of explosive perchlorates on chemical fume hood surfaces and inside ductwork. It is dangerous to use perchloric acid in a conventional fume hood and where other materials (organics, flammables) could mix with perchlorates, resulting in an explosion that could be touched off by friction from simply adjusting the panels and baffles in the hood. Work that involves heating any concentration of perchloric acid or evaporating concentrated perchloric acid must be performed in a perchloric acid fume hood that is designed specifically for use with materials that can deposit shock-sensitive crystalline materials. These hoods are constructed throughout of stainless steel and equipped with water wash-down capabilities.

The water spray should be used whenever perchloric acid is heated in the hood. If a conventional fume hood has been exposed to heated perchloric acid, tests must be conducted to determine if explosive perchlorates have formed on the hood walls and duct system. This must be completed before any inspection, cleaning, maintenance, or any other work is done on any part of the hood interior or exhaust system.

Based on these special needs, which are not provided for in most laboratories, perchloric acid may not be handled in concentrated form (>72%) or manipulated above room temperature (i.e. heated) in any laboratory that is not specially equipped to address the associated hazards.

Detailed Photos
     
Acid & Alkali Resistant Chemical Corrosion Resistance Laboratory Fume Hood Explosion Proof
Acid & Alkali Resistant Chemical Corrosion Resistance Laboratory Fume Hood Explosion Proof
 
Acid & Alkali Resistant Chemical Corrosion Resistance Laboratory Fume Hood Explosion Proof
Acid & Alkali Resistant Chemical Corrosion Resistance Laboratory Fume Hood Explosion Proof
 
Fume Hood Maintenance

Hoods should be evaluated by the user before each use to ensure adequate face velocities and the absence of excessive turbulence.

• In case of exhaust system failure while using a hood, shut off all services and accessories and lower the sash completely. Leave the area immediately.

 Fume  hoods should  be certified, at  least annually, to ensure they are operating safely. Typical tests include face velocity measurements, smoke tests and tracer gas containment. Tracer gas containment tests are especially crucial, as studies  have shown that face velocity is not a good predictor of fume hood leakage.

• Laboratory fume hoods are one of the most important used and abused hazard control devices. We should understand that the combined use of safety glasses, protective gloves, laboratory smocks, good safety practices, and laboratory fume hoods are very important elements in protecting us from a potentially hazardous exposure.

 Laboratory fume hoods only protect users when they are used properly and are working correctly. A fume hood is designed to protect the user and room occupants from  exposure to vapors,  aerosols, toxic  materials,  odorous,  and  other  harmful substances. A secondary purpose is to serve as a protective shield when working with potentially explosive or highly reactive materials. This is accomplished by lowering the hood sash.
FAQ

Why do fume hoods use so much energy?
It's the air being sucked through the fume hood, not the fume hood itself that consumes so much energy. For health and safety reasons, labs use 100% outside air which must be heated or cooled for comfort before it is brought into the lab. In addition to the energy required to condition the air, a significant amount of additional electricity is required to run large fans to move the air through the building and through the fume hoods.

How does shutting the sash save energy?
Most fume hoods at Stanford are variable air volume (VAV), meaning that the fume hoods are designed to vary the air flow based on how wide open the sash height is. Sash position is connected to the building's ventilation system so that a building's fan speed and the volume of air moved is reduced when the sash is lowered.

Is it safe to shut the sash?
The sash is an important safety barrier between the fume hood interior and the laboratory, protecting the lab user. Sashes should be opened only to set up or modify an experiment. At all other times, shutting the sash is safest. When the sash is shut there is still some air flow through the hood to remove any fumes.

How do I remind myself and my roommates to close the sash?
You can post a sticker, like the one shown in the picture below, to remind yourself and your lab mates to close the sash when not in use. The sticker also educates new fume hood users tha a lower sash is safer, and that the sash should only be open when setting up and modifying experiments.

What other fume hood practices can reduce my energy consumption?
• Never use a fume hood just for storing chemicals - they belong in a safety cabinet, which doesn't require huge volumes of air.
• If your fume hood has an occupancy switch, turn it off when not in use.
• If your group is no longer using a specific fume hood, consider having it locked and de-commissioned so air no longer flows through it.

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