Types of air preheater in a boiler
The air preheaters are classified into two types based on their features and construction. These two types of air preheater are
Recuperative or Tubular type air preheater
Regenerative or Rotational type air preheater
Recuperative or Tubular type air preheater is further classified into two types, they are
Horizontal tubular type
Vertical tubular type
Regenerative or Rotational type air preheater is also classified into two types they are
Rotating baskets (Ljungstrom)
Rotating hood (Rothemuhle)
Air Preheater In Boiler Diagram,Preheater In Boiler,Function Of Air Preheater In Boiler,Steam Air Preheater Jinan Yuanda Power Equipment Co.,Ltd. , https://www.jnyuandaboilers.com
Advanced technology:
1. Multi-detecting zones: 6-12-18 detecting zone, Simultaneous alarm from multi-zones.
2. Measuring Metal Size: According to the size of the metal, making different frequency alarm sounds, tell from the metal size, showing on the LCD screen.
3. Sensitivity of detecting zone: Sensitivity of single detecting zone can reach 355 grade(adjustable).
4. Multiple machines network: Provide RJ45 port, connected with the computer via Internet, operating and manage multiple machines(option)
5. Super housing protection : IP65 excellent protection(selectivity) for door frame
6. Self-adaption diagnosis system: When turn on, system will detect adaptively hardware working status.
Technic specifications:
Â
Screen:
9.2 inch LCD Screen
Door frame:
ABS injection molding
Backup battery:
8 hours built in
Minimum distance between two models:
about 10 cm
Waterproof Function:
IP65 Level.
Sound Alarm:
1-16 alarm time, 0-16 different sound volume for choose
Automatically count passengers and alarm times:
Count passenger from double direction, showing on the LCD screen, can accumulate to 6 digits, also can be checked on computer
Password protection,
only the authorized person can operate.
Â
Anti-interference function,
using advanced interactive transmitting and receiving to avoid interference, frequency range from 6.9K-11K to avoid frequency interference
Passing Speed:
60p/Min--100p/Min
DSP technology:
 Adopt advanced digital signal processing (DSP) control replaced traditional analog signal control, better stability.
Standard External size
2230mm(H)X835mm(W)X580mm(D)
Standard Internal size
1990mm(H)X700mm(W)X500mm(D)
Net weight
65kg
Gross weight
70kg
Password protection
only the authorized person can operate
4 columns LED light alarm
available
Stainless steel deck dolly
For option
Sensitivity adjustable
Each zone has 255 degree sensitivity
Battery back up
Support
Standard Interfaces
RS-232, Infrared
Harmless to human body:
is harmless with heart peacemaker, pregnant women, magnetic floppy, recording tapes, etc
RFQ:
Are you manufacturer?
Yes, we are professsional manufacturer of security threats detection system in south of China.
Stable quality and foremost service always be the key that we focus on.
How many days we can get the machine after payment?
Normally, with stock only need 3-5 days for leading time.
Without stock, need 10-15 days to manage the production.
Delivery by sea, air for your choices.Â
How about the warranty and services?
Provide one year warranty and lifetime technic support.
Accept to send our engineer to your country for training in additional cost.
Free training one-on-one in our factory.
Â
Portable Door Frame Arch Folding Walk Through Metal Detector Security Scanner Door SA300F
Advanced technology:
1. Multi-detecting zones: 6-12-18 detecting zone, Simultaneous alarm from multi-zones.
2. Measuring Metal Size: According to the size of the metal, making different frequency alarm sounds, tell from the metal size, showing on the LCD screen.
3. Sensitivity of detecting zone: Sensitivity of single detecting zone can reach 355 grade(adjustable).
4. Multiple machines network: Provide RJ45 port, connected with the computer via Internet, operating and manage multiple machines(option)
5. Super housing protection : IP65 excellent protection(selectivity) for door frame
6. Self-adaption diagnosis system: When turn on, system will detect adaptively hardware working status.
Technic specifications:
Â
Screen:
9.2 inch LCD Screen
Door frame:
ABS injection molding
Backup battery:
8 hours built in
Minimum distance between two models:
about 10 cm
Waterproof Function:
IP65 Level.
Sound Alarm:
1-16 alarm time, 0-16 different sound volume for choose
Automatically count passengers and alarm times:
Count passenger from double direction, showing on the LCD screen, can accumulate to 6 digits, also can be checked on computer
Password protection,
only the authorized person can operate.
Â
Anti-interference function,
using advanced interactive transmitting and receiving to avoid interference, frequency range from 6.9K-11K to avoid frequency interference
Passing Speed:
60p/Min--100p/Min
DSP technology:
 Adopt advanced digital signal processing (DSP) control replaced traditional analog signal control, better stability.
Standard External size
2230mm(H)X835mm(W)X580mm(D)
Standard Internal size
1990mm(H)X700mm(W)X500mm(D)
Net weight
65kg
Gross weight
70kg
Password protection
only the authorized person can operate
4 columns LED light alarm
available
Stainless steel deck dolly
For option
Sensitivity adjustable
Each zone has 255 degree sensitivity
Battery back up
Support
Standard Interfaces
RS-232, Infrared
Harmless to human body:
is harmless with heart peacemaker, pregnant women, magnetic floppy, recording tapes, etc
RFQ:
Are you manufacturer?
Yes, we are professsional manufacturer of security threats detection system in south of China.
Stable quality and foremost service always be the key that we focus on.
How many days we can get the machine after payment?
Normally, with stock only need 3-5 days for leading time.
Without stock, need 10-15 days to manage the production.
Delivery by sea, air for your choices.Â
How about the warranty and services?
Provide one year warranty and lifetime technic support.
Accept to send our engineer to your country for training in additional cost.
Free training one-on-one in our factory.
Â
Air preheater is one of the most important accessories in modern boilers. Air preheater is commonly found in all modern boilers. To increase the efficiency of the boiler accessories like air preheater is used in the boilers.
Model NO.: SA300F
Detecting zones: 6/12/18 zones can set in software
Outer size: 2179(H)*912(W)*698mm(D)
Inner size: 2000(H)*710(W)*520mm(D)
Power supply method: 8 hours battery build-in
Output: DC 12V/5A 12W
Input: AC 110V~240V/50Hz~60Hz
Weight: N.W 37KG/G.W 45KG
Carton box size: 980mm*860mm*630mm
Trademark: SAFE HI-TEC
Transport Package: Carton Box
Specification: 45kgs/set
Origin: China
HS Code: 8543709100
Model NO.: SA300F
Detecting zones: 6/12/18 zones can set in software
Outer size: 2179(H)*912(W)*698mm(D)
Inner size: 2000(H)*710(W)*520mm(D)
Power supply method: 8 hours battery build-in
Output: DC 12V/5A 12W
Input: AC 110V~240V/50Hz~60Hz
Weight: N.W 37KG/G.W 45KG
Carton box size: 980mm*860mm*630mm
Trademark: SAFE HI-TEC
Transport Package: Carton Box
Specification: 45kgs/set
Origin: China
HS Code: 8543709100
Portable Door Frame Arch Folding Walk Through Metal Detector Security Scanner Door SA300F