1. Purposes of CZPT Vulcanization Autoclave

Rubber vulcanization is a chemical process at a provided strain, temperature and time for changing normal rubber into more tough resources by the addition of sulfur. These additives modify the polymer by forming cross-links (bridges) in between person polymer chains. Vulcanized supplies are considerably less sticky and have exceptional mechanical qualities. And vulcanization autoclave is utilised broadly for this chemical process. The main products are galoshes, rubber tubes, cable, rubber roller, rubber ball, etc.In this area, CZPT has been the leader, as we have accrued entire vulcanization expertise and technological innovation for several years.

2. Fundamental Design Knowledge

two.1 Model and Size

• Autoclave product:    SN-LHGR2550
• Effective diameter:  2500mm
• Effective size:      5000mm

  Definition:  * Successful diameter is the interior diameter of the autoclave.

                    * Effective length is to stage to do the genuine duration of the shell.

2.two Manufacturing Potential

• Working circle of autoclave: can be set in accordance to the working approach
• Max size of pulley:                Ø2000X5000mm

2.3 CZPT Electricity

• Working voltage:          400V (AC)±5%, three phase, fifty Hz
• Management electricity:                220VAC/50Hz/24VDC

2.four Drinking water, Air and Steam Supply

• Cooling drinking water usage:         ~4m³/h
• Cooling drinking water stress:               min.three bar ~ max. six bar
• Management air of management tools:   5 ~ 7bar
• Steam capacity:                            2t/h

two.5 Environmental Conditions

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

3. CZPT Feature and Functioning Approach

3.one. CZPT Feature
Autoclaves with immediate steam: heating and pressurization are carried out with steam. This heating technique is notably effective and indicated for items of big sizes and bodyweight. The temperature uniformity which normally differs in between ±2°C,the trade ability, occurring with condensation on colder surfaces, coupled with tested installations, allow to obtain excellent results.

three.two Functioning Process

three.2.1 CZPT curing recipe

	Temp. setpoint	Press. setpoint	Temp. step period	Press. step duration
Segment1	T1	P1	t one	P-t1
Segment2	T2	P2	t two	P-t2
Segment3	T3	P3	t three	P-t3
Segment4	T4	P4	t four	P-t4
Segment5	T5	P5	t five	P-t5
Segment6	T6		t six
Segment7	T7		t 7
Segment8	T8		t 8
Segment9	T9		t 9
Segment10	T10		t ten
Segment11	T11		t 11
Segment12	T12		t twelve
Segment13	T13		t thirteen
Segment14	T14		t fourteen
Segment15	T15		t fifteen

3.2.two A quick curing recipe illustration

4. Gear CZPT Particulars

four.1 Pressure Vessel

CZPT Force Vessel with fast-opening door, can be licensed to:

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

four.2 CZPT System

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

• The complete technique consists of a few components: a pair of equipment flange, pushed devices and seal ring.
• CZPTally operated door opening and closing. It is controlled by PLC method.
• The seal ring is manufactured of silicon rubber.
• Protection pressure sensors have to avoid doorway opening in scenario of strain (allowed considerably less than .1 bars).

4.3 Thermal Insulation Method
Interior Insulation and External Insulation
We use ceramic fiber as the insulation material. The heat transfer coefficient is quite low to make the warmth decline to a least. The masking board of ceramic fiber is stainless steel. It is corrosion resistant and seems nice. Inner insulation design and style can get a reduced power consumption, even though external insulation design receives a substantial one, but a much better temperature uniformity.

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

 4.4 Heating System

• The heating system is a indirect steam kind.
• The oblique technique will be by means of stainless-steel or copper tubing sort warmth exchanger placed on the rear side of the autoclave amongst enthusiast and merchandise. The movement have to go from materials to fan, then transfer entrance door utilizing vessel side to content

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

4.5 Air Recirculating Method

• Scorching air circulating duct
  Annular air-duct placed on the two side of the autoclave inside as the CZPT air delivery system. This design and style features make the temperature more uniform, and working place more large.  
• The Motor admirer for circulation
  The motor is bolted to the rear of the autoclave, it drives the fan straight.
• Parameters of circulating supporter
  Electricity:eighteen.5KW,6-pole, 3phase
  Connecting format:immediate-linked
  Rated rotate velocity:960r/min(400V/50HZ)
  Admirer wheel:seven# centrifugal impeller(Diameter:700mm),
  Wind pressure:1000Pa,
  Flow rate:12800 M^three/h.
• Shaft sealing
  Operating with drinking water cooling to assure a long life, the shaft water cooling with individual h2o pump and stream swap to be fitted to monitor drinking water stream and instantly alarm/cease the cycle if there is not adequate h2o flow.

4.6 Temperature checking components 
Temperature thermocouples: two pcs, K sort, such as HMI monitoring, info-acquisition and management.

4.7 Pressure Components

• Inlet and exhaust valve, proportionally controlled, CZPT control valve.
• Guide exhaust valve, 3-piece ball valve.
• Stress transducer: 1
• Precision: +/- 50mbar
• Stress gauge:1

four.8 Control Technique

• Management Method is created dependent on the analysis and advancement towards rubber vulcanization processing sector, including the PLC central controlling component, touch monitor (HIM) operation system and network, it is a user welcoming, point out of the art, programmable digital system.
• Password protected entry accessibility, operator can log into the system by accessing the security login form with a identify and password.
• It is automatic managing, recording and graph the temperatures and force of the autoclave, audible alarms for large or reduced temperatures or pressure.
• Guide procedure display screen permits operator take guide control temperature, stress, and valves as authorized.
• It can insert or help save the product working recipe, display the force and temperature curve anytime and its paperless report perform can understand record, save and examine of technique curve and method parameters.
• It has in excess of-temperature and overpressure alarm and numerous basic safety defense functions.
• CZPTer can run sign up, login and typing in solution info, and understand intranet or remote management. 
• Interaction to a Personal Personal computer authorized (Teamviewer ), with built in software to software, file and graph of approach in genuine time.
• Net link by way of Team-Viewer (VPN) with our Company.

four.9 Safety Program
 

four.nine.1 Mechanical safety interlock I
Protection limit manage is interlocked with the lid. Personnel have to flip the deal with to unlock the  safety system then the lid can be opened.

4.nine.2 CZPTal safety interlock II
The protection device functions with security limit handle and connects with our ECC. When staff run the reducer and safety restrict take care of, although there is stress in the autoclave, the ECC will give a seem-mild alarm.

4.nine.3 Security valves
There is one safety valves on the leading of autoclave. We have set a stress restrict in the valves. When the stress exceed the restrict, the valves will function routinely to launch the air down to a affordable strain selection.

five. Configurations of Autoclave

• HMI: Wenview touch screen, ZheJiang
• PLC: Siemens
• Main electrical component : Schneider,China
• Restricted swap: Omron
• Autoclave Shell: ASME/PED/GB, CZPT
• CZPT components: Hualiang, China

Handle cabinet according to CE expectations

six. Method CZPT Look at (Indirect steam heating)

seven. Packing

eight.1  The equipment will be properly packed / wrapped considering extended-distance ocean and land transportation and tough handling that might take place in the absence of both functions.
8.two  Proper defense from dampness, rust, mold, scratches, shaking, and many others, will be taken so that the goods may possibly arrive at the set up web site in good issue.
eight.three  Shipping marks and warning signed will be obviously painted, and comprehensive packing checklist (in English/Espanol) will be soundly attached, to the exterior of the packing.

eight. Autoclave Specification
 

MODEL SN-LHGR2550 VULCANIZATION AUTOCLAVE-TECHNICAL PARAMETER
No.	Description	Device	Specifications and Parameters
one	Effective Working Diameter	mm	2500
two	Effective Working Length	mm	5000
three	Autoclave Track Distance	mm	950
four	Design Pressure	MPa	one
five	Max. Working Pressure	MPa	.8
6	Safety Valve Exhaust	MPa	.eighty five
seven	Design Temperature	ºC	a hundred and eighty
8	Max. Working Temperature	ºC	a hundred and sixty
9	Temperature Uniformity at Steady State	ºC	±2
10	Openning CZPT Mode	—	CZPT
eleven	Working Medium	—	Compressed Air
12	Heating Mode	—	CZPT (Convection+Radiation)
13	Heating Power	KW	162
fourteen	Quantity of Circulating Fan Motor	Set	1
fifteen	Quantity of Circulating Fan Motor	KW	fifteen
16	Thermocouple Type	—	Type K or J
seventeen	Vaccum Lines	Piece	—
eighteen	Quantity of Vaccum Pressure Transducer	Piece	—
19	CZPT Control Mode	—	PLC+Computer
twenty	Control Software	—	Thermal Processing Control (TPC)
21	Insulation Type	—	Interior
22	Insulation Material	—	Ceramic Fiber
23	Insulation Thickness	mm	eighty
24	Insulation Sheet Material	—	Stainless Steel or Aluminized Steel
twenty five	Working Environment Temperature	ºC	Min. -20ºC, ,Max. +45ºC
26	Working Environment Humidity	—	<60%
27	Power Supply	—	220/380VAC, 3P+N+PE, 50/60Hz
28	Weight	KG	14990

nine. Expert Workshop

10. CZPT CZPT Turnkey Projects

With the knowledge of manufacture and support for 15 many years, our skilled group are able to supply the world-wide turnkey task, including a specialist coaching. CZPT autoclaves can be created as ASEM, PED, Ad requirements, as nicely as our Chinese standard.

From the CZPT Crew, with fifteen several years of expertise.