one. Programs of CZPT Vulcanization Autoclave

Rubber vulcanization is a chemical process at a offered pressure, temperature and time for changing natural rubber into a lot more tough materials by the addition of sulfur. These additives modify the polymer by forming cross-links (bridges) among individual polymer chains. Vulcanized resources are significantly less sticky and have exceptional mechanical houses. And vulcanization autoclave is utilised commonly for this chemical procedure. The major goods are galoshes, rubber tubes, cable, rubber roller, rubber ball, etc.In this subject, CZPT has been the chief, as we have gathered full vulcanization knowledge and engineering for a lot of several years.

2. Basic Design Data

two.1 Model and Dimensions

• Autoclave design:    SN-LHGR2560
• Effective diameter:  2500mm
• Successful size:      6000mm

  Definition:  * Efficient diameter is the internal diameter of the autoclave.

                    * Successful length is to position to do the genuine duration of the shell.

2.2 Creation Capacity

• Working circle of autoclave: can be established according to the working method
• Max size of pulley:                Ø2000X6000mm

two.3 CZPT Electrical power

• Running voltage:          400V (AC)±5%, 3 period, fifty Hz
• Manage electrical power:                220VAC/50Hz/24VDC

two.4 H2o, Air and Steam Source

• Cooling drinking water usage:         ~4m³/h
• Cooling h2o stress:               min.3 bar ~ max. 6 bar
• Management air of control products:   5 ~ 7bar
• Steam ability:                            2t/h

2.5 Environmental Problems

• Max. air temperature:     +50ºC
• Min air temperature:       -5ºC
• Relative Humidity:          <80%
• Altitude:                          <2000m

3. CZPT Feature and Working Method

3.one. CZPT Characteristic
Autoclaves with direct steam: heating and pressurization are carried out with steam. This heating system is particularly effective and indicated for items of large sizes and bodyweight. The temperature uniformity which usually varies between ±2°C,the exchange ability, transpiring with condensation on colder surfaces, coupled with examined installations, enable to obtain excellent results.

3.2 Operating Procedure

three.two.one CZPT curing recipe

	Temp. setpoint	Push. setpoint	Temp. stage length	Press. step length
Segment1	T1	P1	t 1	P-t1
Segment2	T2	P2	t 2	P-t2
Segment3	T3	P3	t 3	P-t3
Segment4	T4	P4	t 4	P-t4
Segment5	T5	P5	t 5	P-t5
Segment6	T6		t six
Segment7	T7		t seven
Segment8	T8		t eight
Segment9	T9		t 9
Segment10	T10		t 10
Segment11	T11		t eleven
Segment12	T12		t 12
Segment13	T13		t 13
Segment14	T14		t fourteen
Segment15	T15		t 15

three.2.two A limited curing recipe example

4. Gear CZPT Specifics

4.1 Pressure Vessel

CZPT Strain Vessel with swift-opening doorway, can be certified to:

• CHINESE STHangCZPTRD, GB150-2011
• AMERICAN STHangCZPTRD ASME SEC VIII DIV.1 with ASME Certification
• EUROPEAN STHangCZPTRD PED 97/23/EC with CE certificate.

4.2 CZPT System

• The closing system of the autoclave is the indented kind assisted with a hydraulic technique, in order to swiftly and secured make a totally airtight closing.

• The whole method consists of a few areas: a pair of gear flange, pushed units and seal ring.
• CZPTally operated door opening and closing. It is controlled by PLC program.
• The seal ring is manufactured of silicon rubber.
• Security strain sensors have to stop doorway opening in scenario of stress (allowed much less than .1 bars).

four.3 Thermal Insulation Technique
Inside Insulation and External Insulation
We use ceramic fiber as the insulation content. The warmth transfer coefficient is very lower to make the warmth loss to a bare minimum. The masking board of ceramic fiber is stainless metal. It is corrosion resistant and seems to be wonderful. Internal insulation style can get a minimal energy use, whilst external insulation layout gets a large one particular, but a greater temperature uniformity.

• Insulation:Internal insulation layer
• Insulation materials:Ceramic fiber 
• External sheet metal: stainless steel,1. mm
• Insulation thickness:100mm

 four.4 Heating Technique

• The heating program is a indirect steam variety.
• The oblique program will be via stainless-steel or copper tubing variety heat exchanger positioned on the rear side of the autoclave between enthusiast and items. The flow have to move from material to fan, then transfer entrance door using vessel facet to materials

• Heating Exchanger material :304 Stainless-steel with aluminum fin or copper tubing aluminum fin
• Heating Exchanger variety: Multi-row finned tubing

4.five Air Recirculating Program

• Scorching air circulating duct
  Annular air-duct placed on the two aspect of the autoclave inside as the CZPT air supply technique. This style functions make the temperature more uniform, and operating room a lot more massive.  
• The Motor admirer for circulation
  The motor is bolted to the rear of the autoclave, it drives the supporter right.
• Parameters of circulating fan
  Energy:eighteen.5KW,six-pole, 3phase
  Connecting structure:immediate-connected
  Rated rotate speed:960r/min(400V/50HZ)
  Enthusiast wheel:7# centrifugal impeller(Diameter:700mm),
  Wind force:1000Pa,
  Flow rate:12800 M³/h.
• Shaft sealing
  Operating with drinking water cooling to assure a long life, the shaft h2o cooling with different water pump and circulation swap to be fitted to monitor water circulation and routinely alarm/end the cycle if there is not enough drinking water circulation.

four.6 Temperature checking components 
Temperature thermocouples: 2 pcs, K sort, like HMI monitoring, data-acquisition and handle.

4.7 Pressure Parts

• Inlet and exhaust valve, proportionally controlled, CZPT handle valve.
• Handbook exhaust valve, three-piece ball valve.
• Force transducer: 1
• Precision: +/- 50mbar
• Force gauge:1

4.8 Control Program

• Control Program is designed based on the research and improvement toward rubber vulcanization processing market, which includes the PLC central controlling element, contact monitor (HIM) operation technique and network, it is a user welcoming, state of the art, programmable digital system.
• Password protected entry access, operator can log into the method by accessing the security login form with a name and password.
• It is automatic controlling, recording and graph the temperatures and force of the autoclave, audible alarms for higher or reduced temperatures or pressure.
• Guide operation display enables operator take handbook manage temperature, pressure, and valves as authorized.
• It can insert or conserve the product working recipe, screen the pressure and temperature curve at any time and its paperless document operate can realize record, help save and examine of method curve and method parameters.
• It has more than-temperature and overpressure alarm and a variety of safety defense functions.
• CZPTer can operate sign-up, login and typing in merchandise details, and realize intranet or distant handle. 
• Communication to a Personal Laptop authorized (Teamviewer ), with created in software to software, file and graph of procedure in real time.
• Internet connection by means of Staff-Viewer (VPN) with our Company.

four.9 Safety Program
 

four.nine.1 Mechanical security interlock I
Safety limit handle is interlocked with the lid. Staff have to switch the handle to unlock the  safety unit then the lid can be opened.

4.nine.2 CZPTal basic safety interlock II
The protection system performs with protection limit deal with and connects with our ECC. When personnel function the reducer and basic safety limit take care of, although there is strain in the autoclave, the ECC will give a sound-light alarm.

four.nine.three Safety valves
There is one safety valves on the top of autoclave. We have set a strain restrict in the valves. When the force exceed the limit, the valves will perform routinely to release the air down to a affordable pressure variety.

5. Configurations of Autoclave

• HMI: Wenview touch display screen, ZheJiang
• PLC: Siemens
• Primary electrical component : Schneider,China
• Minimal change: Omron
• AUTOCLAVE Shell: ASME/PED/GB, CZPT
• CZPT components: Hualiang, China

Control cabinet in accordance to CE specifications

six. Method CZPT Look at (Oblique steam heating)

7. Packing

8.1  The gear will be properly packed / wrapped contemplating prolonged-length ocean and land transportation and tough managing that might happen in the absence of each get-togethers.
eight.two  Proper security from moisture, rust, mould, scratches, shaking, and so forth, will be taken so that the products might get there at the set up web site in excellent condition.
eight.3  Shipping marks and warning signed will be evidently painted, and in depth packing listing (in English/Espanol) will be soundly hooked up, to the exterior of the packing.

eight. Autoclave Specification
 

MODEL SN-LHG2560 VULCANIZATION AUTOCLAVE-TECHNICAL PARAMETER
No.	Description	Device	Specifications and Parameters
1	Effective Working Diameter	mm	2500
2	Effective Working Length	mm	6000
3	Autoclave Track Distance	mm	900
4	Design Pressure	MPa	1
five	Max. Working Pressure	MPa	.eight
6	Safety Valve Exhaust	MPa	.85
7	Design Temperature	ºC	200
8	Max. Working Temperature	ºC	one hundred eighty
9	Temperature Uniformity at Steady State	ºC	±2
10	Openning CZPT Mode	—	CZPT
eleven	Working Medium	—	Compressed air
twelve	Heating Mode	—	Steam indirect heating
13	Heating Power	KW	162
14	Quantity of Circulating Fan Motor	Established	1
15	Quantity of Circulating Fan Motor	KW	15
16	Thermocouple Type	—	Type K or J
17	Vaccum Lines	Piece	—
18	Quantity of Vaccum Pressure Transducer	Piece	—
19	CZPT Control Mode	—	PLC+Computer
20	Control Software	—	Thermal Processing Control (TPC)
21	Insulation Type	—	Inner
22	Insulation Material	—	Ceramic Fiber
23	Insulation Thickness	mm	75
24	Insulation Sheet Material	—	Stainless Steel or Aluminized Steel
25	Working Environment Temperature	ºC	Min. -20ºC, ,Max. +45ºC
26	Working Environment Humidity	—	<60%
27	Power Supply	—	400VAC, 3P+N+PE, 50/60Hz
28	Fat	KG	16500

9. Skilled Workshop

ten. CZPT CZPT Turnkey Tasks

With the experience of manufacture and service for fifteen years, our specialist team are in a position to offer the international turnkey project, which includes a specialist education. CZPT autoclaves can be made as ASEM, PED, Advertisement standards, as nicely as our Chinese normal.

From the CZPT Group, with fifteen years of experience.