1728L Capacity Corrosion Test Chamber with AC220V Power Supply and Temperature

Product Specification

1. Performance Specifications:

(1) Temperature range : RT

(2) Temperature control accuracy: ±1 ℃;

*Note: The above performance guarantees require that the temperature sensor be stable for 30 minutes before measurement.

(3) Uniform temperature distribution: ±2.0 ℃;

*Note: The performance guarantee of the above items requires testing at 1/6 of the distance from each wall of the test area, and the measurement must be made after the temperature and humidity are stable for 30 minutes.

(4) Test time: 0-999H M adjustable.

(5) Equipment placement space: at least 3000 × 2000 × 2000 mm (W × H × D)

(6) Inner box size: W1200*D1200*H1200mm

(7) Power supply: AC220V 400KW 50HZ

(8) Ammonia concentration: 0.01-0.1% (volume percentage, quantitatively controlled by digital mass flow meter)

(9) Hydrochloric acid concentration: 0.0001-0.001 (volume percentage, quantitative control by digital flow pump.)

(10) Box material: PP

(11) Internal volume: 1728L (Ammonia gas is calculated based on a concentration of 0.055%, and 2.4L of ammonia gas needs to be introduced into the chamber. Hydrochloric acid is calculated based on a concentration of 0.0005, and 24ml of hydrochloric acid needs to be introduced into the chamber.)

2. System Structure

(1) Machine material: The inner and outer boxes are made of PP acid and alkali resistant material with thermal insulation foaming treatment

1) Glass rotor flowmeter: corrosion-resistant material and precise control

2) Related sealing joints and hardware: pp + Teflon + titanium alloy + 316L stainless steel

3) Door material: 12mm tempered glass

(2) Waste disposal system

1) It uses a Taiwan-made 40W large air volume air inlet fan with an electric ball valve switch to quickly remove the exhaust gas in the box.

2) Large diameter spray pipe plus R20 and filter cotton can filter more than 90% of exhaust gas

(3) Heating system: corrosion-resistant titanium alloy electric heating tube. Prevent corrosion from all acid and alkali solutions

(4) Temperature sensing system: titanium alloy PT100 sensor

(5) Gas system:

1) Teflon corrosion-resistant pipe + pipe for the whole machine

(6) Control system:

The control system uses PID controller, and the temperature is controlled at the same time

1) Controller specifications:

Accuracy: Temperature ±1.0 ℃

lTemperature and humidity input signal selection PT100×1 (dry ball)

lTemperature and humidity conversion output: 4-20MA

l1 set of P.I.D control parameter settings P.I.D automatic calculation

2) Control functions:

lWith the function of displaying temperature and setting flow

(7) Box material

lInner box material: PP board

lInsulation material: PV rigid foam

3. Working Principle:

(1) Ammonia is set in the PLC through a digital mass flow meter, which allows it to flow into the box stably within the specified time and automatically shut down when the set value is reached.

(2) Hydrochloric acid is pumped into the box through a digital micro flow pump set in the PLC, and enters the box stably within the specified time, and automatically shuts off when the set value is reached.

4. Machine Requirements and Equipment

This part is the responsibility of the buyer and must be prepared before using the equipment!

Power supply: AC220V MAX 10A

Note: To ensure the performance of this device, the voltage and frequency fluctuation range is: voltage ±5%; frequency ±1%!

Humidification water: must use purified water or distilled water (the first preparation volume must be more than 10L)

Note: The water used in the waste treatment tank must be as pure as possible. Groundwater and tap water are prohibited.

5. Machine Installation Location and Installation Method:

(1) The installation location should take into account the heat dissipation efficiency of the machine and easy inspection and maintenance.

(2) Install the machine on a flat, vibration-free surface. Adjust the four leveling feet at the bottom of the machine to level it and allow for drainage of the inner box and to prevent abnormal noise (please use a level to check).

(3) Keep the unit out of direct sunlight and maintain good indoor ventilation.

(4) Please place the machine in a separate space and avoid placing it in public places or near flammable, explosive, or perishable chemicals to avoid fire and personal injury in the event of a malfunction.

(5) The power supply and exhaust pipes should be as short as possible.

(6) Avoid installing the device in dirty or dusty locations. The ambient temperature and humidity should be maintained between 25 °C and 70±10%RH for optimal and stable operation.

(7) Do not place any debris on the top of the machine to prevent heavy objects from falling and causing personal injury or property damage.

(8) Do not hold the electrical box, wires, or motor as a propulsion point when carrying to prevent damage, loosening, or unexpected malfunctions to the electrical box or appliance.

(9) The maximum inclination of the furnace body should be below 12°, and the furnace body must be firmly fixed to prevent it from falling over, causing damage or injury to people or property.

(10) The exhaust outlet must be connected to the outdoors before the equipment can be used (to prevent unnecessary personal injury)

6. Machine Power Supply Equipment and Installation Method:

Please follow the following method to distribute power. Pay attention to the power capacity. Do not use the same power supply for multiple machines at the same time to avoid voltage drops, which may affect machine performance or even cause malfunctions and downtime. Please use dedicated circuits.

(1) According to the specifications table, the power wiring is as follows:

(2) Applicable power line diameter: (power line length within 10m)

(3) If you connect the ground wire to the water pipe, the water pipe must be a metal pipe that is connected to the ground (not all metal pipes can be effectively grounded)

(4) Be careful not to damage the wiring during installation.

(5) Before configuring the power supply, please check whether the machine is damaged during operation, whether the power cord is damaged, whether the machine body is deformed, whether the air circulation is intact, and whether the inner box is kept clean.

(6) The power cord configuration of the machine: black is the neutral wire, yellow and green are the ground wire, and the rest of the colors are the live wire.

(7) The power voltage fluctuation of the input machine should not exceed the allowable range, and the grounding wire must be in good condition, otherwise it will affect the performance of the machine.

(8) Please be sure to configure appropriate safety devices according to the power of the machine to safely cut off the power supply in case of machine failure to avoid fire and injury.

(9) Please make sure to position the machine in a safe space before wiring. At the same time, make sure that the wiring is consistent with the rated current and voltage of the machine, otherwise there will be electric shock and accidents.

(10) Line operators should be professional to avoid incorrect wiring and inputting wrong power supply, which may damage the machine and burn out the components.

(11) Please first ensure that the power supply is disconnected. Only then should you proceed with wiring to avoid electric shock.

(12) After wiring is completed, ensure that the machine control electrical equipment has no faults and the input power is consistent. At the same time, all electrical box covers must be installed before power is turned on. Otherwise, there is a risk of electric shock and fire.

(13) Only the designated maintenance personnel are allowed to perform maintenance and inspections on this machine. Such operations must be carried out with the power off to avoid electric shock and fire hazards.

(14) It is not allowed to remove the side panels of the electrical box, electrical box door and some safety protection devices to work. This method puts the machine in a dangerous working state and is very dangerous.

(15) The main power switch on the control panel should be operated as little as possible. When shutting down, only the temperature switch and the user power switch need to be turned off.

7. Precautions before Use

(1) Confirmation of power cord and ground wire:

◆ Check that the power cord is properly connected according to specifications and grounded.

(2) Water supply confirmation:

◆ Is the water volume in the tank sufficient?

◆ Is the water tank cover securely closed?

◆ Is the drain switch restored?

(3) Drain pipe confirmation:

◆ Is the drain pipe properly connected?

◆ Is the exhaust pipe connected to the outdoors?

◆ Is the door closed and locked?

◆ Is the sulfur dioxide bottle switch turned on?(The pressure gauge of the pressure reducing valve should be kept between 0.05 and 0.1)

◆ Adding hydrochloric acid and taking out the internal glass acid container require wearing rubber gloves and safety goggles.

(4) Equipment cleaning confirmation:

◆ Is it clean? (It should be cleaned once every 3 months.)

8. Operation Program

(1) Turn on the user power switch, then turn on the main power switch with the unfused switch NFB, and finally press the power switch on the panel.

(2) Once the controller displays the normal screen, you can execute the pre-set program to set the temperature and ammonia flow rate to smoothly proceed with the setting work.

(3) The setting values of temperature, flow rate and time should be consistent with the requirements of the user's tested product.

(4) After setting up each function menu, you must close the door before you can operate the machine normally.

(5) Press the controller to start the test switch and the machine will run according to the set value.

(6) When the temperature and flow rate reach the user's product requirements and need to be shut down, the controller exhaust gas treatment switch must be turned on before the product can be taken out. (The exhaust gas treatment time is usually set at 20-30 minutes)

(7) For the setting and usage of fixed value control, please refer to the controller operation introduction diagram.

(8) If a fault occurs, the display will immediately show the fault location. After the fault is eliminated, restart the test machine.

9. Operation Precautions

(1) This machine is absolutely prohibited from heating or testing explosive, flammable and highly corrosive substances. Otherwise, it will cause unnecessary losses or the substance cannot be tested.

(2) The door must be closed tightly during use, otherwise the gas will leak out and fail to reach the performance area.

(3) Designate personnel to operate this machine to avoid premature damage to the machine.

(4) If you want to observe the changes in the test chamber during the test, you can observe directly on the front glass (it is strictly forbidden to open the door of the chamber and take out the test product without turning on the exhaust gas treatment in the middle)

(5) If the box is running below 0℃, try to avoid opening the door. This is because opening the door at low temperatures can easily cause ice to form on the evaporator and other parts. The lower the temperature, the more serious the situation. If you must open the door, try to shorten the time.

(6) During operation, please do not open the door unless absolutely necessary, otherwise it may lead to the following adverse consequences:

Ammonia and hydrochloric acid gas leak directly out of the box very dangerous!

(7) Door Closing Method: When closing the door, the operator must move backward along the direction of the door opening and slowly rotate the door tightening handle to the appropriate tightness. (Because the door is made of glass, do not press hard.)

(8) Please note that this machine must be safely and securely grounded to avoid static induction!

(9) The circuit breaker and over-temperature protector provide safety protection for the test product and the operator, so please check them regularly.

(10) During operation, do not touch the machine with your hands to avoid electric shock or injury from the fan, which may cause danger. Therefore, please stop the machine, open the exhaust gas treatment process, and turn off the power before repairing.

(11) Non-specialized personnel are not allowed to perform maintenance and inspection on this machine. Maintenance and inspection shall be carried out by specialized personnel and supervised by supervisors to prevent uninformed personnel from energizing and closing the switch, which may cause electric shock and injury.

10. Maintenance Precautions and Methods

(1) When opening or closing the door or removing test objects from the furnace, do not allow the objects to come into contact with the rubber edge of the door to prevent damage to the rubber edge or shortening its life. The floor around and under the machine body must be kept clean at all times to prevent large amounts of dust from being sucked into the unit, causing accidents and reducing performance .

(2) The distribution room should be cleaned and inspected at least once a year. Loose joints can put the entire equipment in a dangerous operating state, which can burn components or even cause fires and personal injury. When cleaning, please use a vacuum cleaner to remove all dust.

(3) When taking out the product after the test time is up, the machine must be turned off and the operator must wear dry, corrosion-resistant gloves when taking out the product.

(4) Cleaning and maintenance inside and outside the box

1) The machine should be cleaned of internal impurities before operation.

2) The distribution room should be cleaned at least once a year. When cleaning, please use a vacuum cleaner to remove the dust in the room. The inside and outside of the box must be cleaned at least once a year. During cleaning, simply use detergent water and a towel to wipe it.

(5) If the machine is modified without the company's consent during use and any losses are caused, the company will not be responsible.

(6) The company is not responsible for any consequences caused by failure to follow the precautions and requirements in the manual.

11. Attached Accessories

(1) 1 instruction manual.

(2) 1 bottom layer plate.

(3) 1 exhaust pipe

(4) 1 bottle of glacial acetic acid

12. Failure Examples: