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BECON Type Bell

Application

At present, America and Europe etc, developed countries have put forward a higher and newer request to the products of the mesh belt furnace, especially to the security products such as locomotive standard component, the high strength steel construction fastener the advanced chain and advanced close bearings etc. So it lead to a higher level to the heat treatment equipment, our company has developed a set of higher—level software—central control system.The allocation as follows:

SUMON bell type annealing furnace are designed for process reliability, productivity and profitbility.

Heating method: electric heating or natural gas heating; Protection atmosphere: hydrogen and nitrogen; Loading capacity: 20-60 tons

Features

Valves stands with safe probes for safe operation.
The workbases are equipped with specilized sealing rubber to ensure airproof.
Full-scale production control system include auto detection, trouble classification.auto safe feedback etc. The vacumm bell annealer furnace equipped with auto control system, it means high safety.
Strong convection can obtain most effective heat transfer in the furnace, which is the most specialty of bell annealing furnace.

Bell annealing furnace can be divided into two types: vacummized and unvacummized. In principle we don't recommend to use vacumm furnace while diameter is over than 2.2 m.

Standardized Sizes List For Gas Heating Bell Type Furnace

Type	Usable Diameter A	Usable Height C	Inner bel Diameter B	Heating bel Diamete D	Crane Hoo height L	M	J	G	H
SB-100/160	1000	1600	1200	2500	6500	600	3500	3100	1600
SB-100/200	1000	2000	1200	2500	7300	600	3500	3100	1600
SB-140/200	1400	2000	1600	2900	7400	600	4300	3470	1970
SB-140/240	1400	2400	1600	2900	8200	600	4300	3470	1970
SB-140/270	1400	2700	1600	2900	8800	600	4300	3470	1970
SB-140/300	1400	3000	1600	2900	9400	600	4300	3470	1970
SB-160/200	1600	2000	1800	3100	7500	600	4700	3650	2150
SB-160/240	1600	2400	1800	3100	8300	600	4700	3650	2150
SB-160/270	1600	2700	1800	3100	8900	600	4700	3650	2150
SB-160/300	1600	3000	1800	3100	9500	600	4700	3650	2150
SB-180/200	1800	2000	2000	3300	7500	600	5100	3850	2350
SB-200/200	2000	2000	2200	3500	7750	700	5500	4000	2500
SB-200/240	2000	2400	2200	3500	8750	700	5500	4000	2500
SB-200/270	2000	2700	2200	3500	9250	700	5500	4000	2500
SB-200/300	2000	3000	2200	3500	9900	700	5500	4000	2500
SB-245/200	2450	2000	2650	3950	8050	700	5900	4200	2700
SB-245/240	2450	2400	2650	3950	9050	700	5900	4200	2700
SB-245/270	2450	2700	2650	3950	9550	700	5900	4200	2700
SB-245/300	2450	3000	2650	3950	10200	700	5900	4200	2700
SB-280/200	2800	2000	3000	4300	8500	750	6300	4600	3100
SB-280/240	2800	2400	3000	4300	9500	750	6300	4600	3100
SB-280/270	2800	2700	3000	4300	10000	750	6300	4600	3100
SB-280/300	2800	3000	3000	4300	10650	750	6300	4600	3100
SB-350/200	3500	2000	3700	5000	8800	800	7200	5500	4000
SB-350/270	3500	2700	3700	5000	10300	800	7200	5500	4000
SB-350/300	3500	3000	3700	5000	10950	800	7200	5500	4000
SB-370/250	3700	2500	3900	5200	10300	800	7800	6100	4600
SB-370/290	3700	2900	3900	5200	11100	800	7800	6100	4600
SB-370/320	3700	3200	3900	5200	11700	800	7800	6100	4600
SB-370/360	3700	3600	3900	5200	12500	800	7800	6100	4600
SB-370/400	3700	4000	3900	5200	13300	800	7800	6100	4600
SB-390/250	3900	2500	4100	5400	10350	800	8000	6300	4800
SB-390/290	3900	2900	4100	5400	11150	800	8000	6300	4800
SB-390/320	3900	3200	4100	5400	11750	800	8000	6300	4800
SB-390/360	3900	3600	4100	5400	12550	800	8000	6300	4800
SB-390/400	3900	4000	4100	5400	12350	800	8000	6300	4800
SB-410/250	4100	2500	4300	5600	10450	800	8200	6500	5000
SB-410/290	4100	2900	4300	5600	11250	800	8200	6500	5000
SB-410/320	4100	3200	4300	5600	11850	800	8200	6500	5000
SB-410/360	4100	3600	4300	5600	12650	800	8200	6500	5000
SB-410/400	4100	4000	4300	5600	13450	800	8200	6500	5000
The D,H, values of eletric heating type furnace reduced accordingly The crane hook height in the above list is calculated from the bottom of the crane hook. If the customers' crane hook height Is lower than the height stipulated in the list. It should be adjusted accordingly. The depth of the pit is decided by the customers' crane hook height in relationship to the pit dimensions In the list. The data above is only tor reference. The actual requirements should be established with the assistance of the customer.

Application and Example

The BECON type bell annealing furnace is designed to annealing (soft annealing, spheroidizing, recrystallizing) treatment suitable for all kinds of steel and non-ferrous metal.

High Strength Bolts

Automotives Screws

precise Bearings

Metals Tools

Nuts

Hand Tools

The facility is designed to heat treat all wire (low-carbon, medium-carbon, high carbon), dilute-alloy steels, high carbon alloy, aluminium alloy, brass alloys and Cr-alloyed ferrite and martensite Cr-alloyed steels.

Seeing that annealing in BECON type bell annealers is carried out. All annealing cycle are carried out in process atmosphere (free of decarburization, free of cementite). The annealed drawn wire has achieved Spheroidizing, surface of the annealed drawn wire is bright and very clean. As the material has a very uniform microstructure and It is easier to process on manufacturing machines.

Seeing that annealing in BECON type bell annealers is carried out. The cost reduction owing to

Shortest heating and cooling times.
Reduction in pickling costs after the anneal, as pickling can be omitted or is only required to a very limited extent.
Low energy consumption per ton annealed.
Low maintenance requirement
Fully automatic process control

Electric control

The control system of our bell annealing furnace indue two basic aspects: one is to satisfy the requirement of production facility and technology; The other is to satisfy the manufacture, use and maintenance of the electric and gas control facility.

With the automatic control principle, PC and hardware and software of PLC perfect combine to acheive long-distance control so as to improve quality, productivity and work conditions.

The bell annealing furnace control system of our company is developed by ourselves. This software integrated with surveillance and control of annealing temperature, pressure and electricity and the function of precription setting, recording and looking up production data.

The furnaces on/off running condition and the values of temperature flow, pressure, voltage and electricity can be understand from the windows pictures. Pictures control can solve kinds of problems when abnormity alarms coming, which makes the operator master the condition quickly and handle.

Electric control心

Main Picture

Valve Stands

Monitoring Picture for Combustion System

Overview for Monitoring System

Aging Trends Chart

Monitoring Picture for Cost Analysis Module

Monitoring Picture for Prescription Management

Protective Gas

AX Ammonia Decomposing Furnace

According to the chemical formula, ammonia decomposing gas Is consist of 75% H2 and 25% N2. Its features including: strong deoxidization, little decarburizatlon, no carbon separate out. Dew point is about-60 ℃.

Nitrogen Generator

Transformation adsorption nitrogen generator (for short PSA generator) is an advanced gas separating technology. It use imported carbon molecule screen (CMS) as sorbent, with the principle of pressure trasformation and adsorption under nomal temperature to get high purely nitrogen by separating air.

PSA nitrogen generator is a nitrogen generating device desinged and manufactured on the basis of transformation and adsorption technique. Generally two adsorption tower parallel connection and controlled by automatic control system in term of particular programmable program, alternately compressing to adsorb and decompressing to regenerate, then complete nitrogen and oxygen sepa-ratng to get required high purely nitrogen.

Nitrogen And Hydrogen Match Ratio Device

After having mixed the hydrogen and nitrogen pro rata, sampling some gas sample into hydrogen analyzer to test the ratio of nitrogen and hydrogen. One side the instrument will display the content of nitrogen and hydrogen, the other side electric signal will be sent to controller to compare with the setting valve of hydrogen. Then through PID regulator to control the opening degree of hydrogen valve to get required setting value of hydrogen.

Valve Stand

In order to keep the gas (N2, H2, Gas) supply pressure invariable, we must contorl the gas pressure. Our supplied pressure control system can regulate relevant condition such as pressure, flow meter etc as required.