Dynamic ozone aging test chamber

The low concentration of ozone in the atmosphere is the main factor causing rubber cracking,This productSimulate and enhance ozone conditions in the atmosphere,Study on the effect of ozone on rubber,Method for rapid identification and evaluation of rubber's resistance to ozone aging and the protective efficacy of anti ozone agents.Reference standard:GB/T7762-2003Static tensile test formula for ozone cracking resistance of vulcanized rubber or thermoplastic rubberGB/T2951.21-2008General Test Methods for Cable Insulation and Sheath MaterialsGB/T 11206-2009Rubber aging test surface cracking method,The test methods specified in other relevant standards.

Main technical parameters

2.1. Temperature range: 5 ℃ -70 ℃

2.2. Temperature fluctuation: ± 0.5 ℃± 2.0 ℃

2.3. Ozone concentration accuracy: 10-1000pphm ± 10%

2.4. Sample rack lifting frequency: 2R/min (optional)

2.5. Sample rack rotation speed: Rotate the sample rack 360 degrees (rotation speed 1-3 revolutions per minute or optional adjustable)

3、 Structural features

3.1. Structure: Integrated machine.

a) SU material - Inner box: SUS304 stainless steel plate

b) Hard: SUS304 stainless steel plate or baked paint (off white)

c) . 3: Double protection of rigid polyurethane foam+aluminum silicate insulation cotton

a) Two silicon box doors - single door, left opening.

b) Two silicone rubber sealing strips and anti condensation electric heating device for the device/door frame.

c)

3.4. Sample rack W300xH450mm, lighting fixture.

3.4. Requirements for Sample Shelves

a) When in contact, the length of the sample - fix the two ends of the sample with a fixture under the required elongation, and when in contact with ozone air, the length direction of the sample should be basically parallel to the direction of the airflow

b) The fixture should be made of materials that are not easily decomposed by ozone, such as aluminum.

c) Within the scanning range of (20 ^ -25) mm/s, each specimen moves continuously along the same path in a plane perpendicular to the dry airflow

d) 40% of the effective area

Sample preparation (8 ^ -12) min. The scanning area of the sample should be at least 40% of the effective area of the test chamber

e) Cut from the product. The provisions of sample GB/T 9865.1. It is best to cut the sample from the newly molded test piece, and if necessary, it can be cut from the finished product. At least three samples should be taken for each test condition. The width of the long standard specimen shall not be less than 10mm, with a thickness of 2.0mm ± 0.2mm. The length of the specimen between the two ends of the fixture before stretching shall not be less than 40mm.

Equipped with dynamic testing fixtures-

a) 3.5. Control Panel - Controller Display Screen

b) Box configuration

c) ，

3 buttons,

a) Wire hole lead box configuration - equipped with stainless steel SUS # 304 storage rack turntable inside

b) 50mm lead hole with adhesive: 1 lead hole, equipped with hole cover and silicone rubber plug.

c) , For the convenience of 4

d) Only

4 pieces at the rear of the box

e) Water hole, in order to have a drainage hole for the condensate water drainage of the unit;

4、 Air circulation regulation

4.1. Adjustment method

4.2. Circulating fan - LOW THOW air supply mode; Horizontal diffusion, vertical heat exchange, arc-shaped cycle.

Energy saving motor+stainless steel extended shaft connected multi centrifugal circulating fan.

5、 Heating system

5.1. Heater

5.2. Control Method - Fin type heat dissipation tube shaped stainless steel electric heater for heating.

-ID adjustment, actuator: solid-state relay.

6、 Freezing system

6.1. Working mode: mechanical refrigeration/air-cooled.

6.2. Control mode: The controller of the control system automatically adjusts the operating conditions of the refrigeration machine according to the test conditions.

6.3. Compressor: A well-known European and American brand of low-temperature and high-efficiency fully enclosed compressor. (France; Taikang)

6.4. Evaporator: Fin type multi-stage automatic load capacity adjustment. (Japan; Egret Palace)

6.5. Condenser: Wind type condenser. (Japan; Shuangling)

6.6. Expansion System: Freezing System with Automatic Capacity Control

6.7. Refrigerant: Environmentally friendly refrigerant R404 (with an ozone depletion index of 0). (United States; DuPont)

6.8. Refrigeration process: Nitrogen shielded welding, two-stage rotary vane pump vacuum pumping to ensure internal cleanliness of the refrigeration system, a water receiving tray is designed at the bottom of the compressor, and condensed water is discharged outside the box through the drainage pipe at the back of the box.

a) (Danish refrigeration accessories: expansion valve (Denmark; DANFOSS)

b) FOS (Japan; Omron)

c) OSS (Denmark; DANFOSS)

d)

Globe valve (Denmark; DANFOSS)

e) Separators (Italy; CASTEL)

f) Appendix (Europe and America; ALCO)

6.10. Accessories: Desiccant, oil separator, refrigerant flow window, repair valve, high pressure protection switch..

7、 Ozone detection system

7.1 Ozone Generator - (Using Voltage Silent Discharge Tube to Generate Ozone)

7.2 Ozone Sensor - Imported ozone concentration sensor from the UK, capable of achieving precise control

7.3 Ozone Exhaust System - After the experiment is completed, the ozone inside the experimental chamber is discharged to the outside through a dedicated exhaust fan and air duct

7.4 Ozone flow regulator - using high-precision glass flow rotor meter for precise measurement

adjust

8、 Control system

7.1. Sensor: (using a voltage silent discharge tube to generate ozone)

7.2. Controller: Ozone concentration sensor imported from the UK, capable of achieving precise control

The temperature sensor adopts platinum DIN PT-100 Ω and Korean TEMI. It features a 7-inch color LCD touch screen human-machine interface controller with a large field of view and a picture lock (LOCK) function Switching between Chinese and English

7.3. Controller specifications - Accuracy: ± 0.1 ℃+1 digit

a) Fixed range: 0:0.1

b) 30 hours can be freely set, 0-530 hours can be freely set.

c) Control parameter settings for Platinum PT100 model

d) Dynamic calculus

Control parameter setting, P.I.D automatic calculation

a) Direct screen display function - using image control software for dialogue, with screen touch options including program settings, curve display, historical data, manual operation, automatic operation, auxiliary settings, etc.

b) It has the function of real-time display of program curve execution.

Display fault status and explain the fault

c) Set to display as a graphical curve, allowing for input of temperature, time, and number of cycles.

d) Function.

Display fault status and instructions, with real-time display of program curve execution function.

e) Adjustment: The screen display protection function can be customized.

f) Direct display of fixed (SV) SV and actual (PV) values.

g) Close the settings.

7. The screen display protection function can be set to be timed and turned off.

7.5. Program Capacity and

a) Use program groups to create programs with conversational functionality.

b) Can be used up to 1-9999 times adjustable.

c) (i.e. 50: maximum of 50 PATTEN (i.e. 50 test specifications can be independently set and stored)

d) Shape curve.

It has the function of automatically starting and continuing to execute programs after pre power and power restoration.

e) .

Has date and time adjustment function

f) Period, time adjustment function

Nine

g) 9. Safety and time adjustment function

9、 Safety protection device

a) High pressure protection refrigeration protection - compressor overheat protection switch

b) Close it

8 High voltage protection switch

c)

8-machine overcurrent protection switch

a) Installation 2. Heating protection - Heater surface temperature over temperature protection

b) Overheating protection device for circulating motor

a) Overheating protection and other protections - Overheating protection for circulating motors

b) Protecting

Reverse phase, insufficient phase protection

c) Protecting

Reverse phase, under phase protection device

d) No melting, under phase protection device,

e) Smoke alarm machine power-off protection

f) Set.

Line fuse and fully sheathed type

g) 、 Accessories and random data

9.1

10、 Accessories and random data

9.1. Storage rack

9.2. Storage rack track

9.3. Power on test hole

9.4. Power cord

9.5. Drainage outlet

9.6. Air source interface

9.7. Mobile casters

9.8. Fixed foot cup

9.9. Maintenance Manual

9.10. Controller Manual

9.11. Warranty Card - SUS304 Stainless Steel Storage Rack 2-Layer (Single Layer Load 10kg)

Stainless steel adjustable spacing 40mm storage rack track 4

1 power on test hole, located on the left side of the box, with a cover and soft plug, size ￠ 50mm × 100mm

One power cord (2 meters long)

One drainage hole

One gas source interface

4 mobile casters

4 horizontal fixed foot cups

One copy of the operation and maintenance manual

One copy of the controller manual

One warranty card