Boiler combined with heavy mine ash remover accessories
Publish: 2021-05-02 17:34:44
1. Boiler slag remover, affected by high temperature, generally adopts scraper type slag remover. The matching accessories include chain, scraper, bucket tooth, oil pipe, oil pump, radiator, multi raft, electric roller, etc. of course, there are many kinds of accessories. Different models of matching accessories will also have differences. The above is provided by yonglitong slag remover company. I hope it can help you, Hope to adopt!
2. 1) Filter bag accessories
① ordinary st removal bag is divided into polyester (polyester, pet, PE) filter bag, polypropylene (PP) filter bag, acrylic (Pan) filter bag and polyamide (PA) filter bag
② the high-temperature st removal bag is divided into aromatic polyamide fiber (aramid st removal bag), polytetrafluoroethylene fiber (PTFE st removal bag), aromatic polysulfonamide fiber (polysulfonamide fiber), polyimide fiber (P84 st removal bag), polyphenylene sulfide fiber (PPS st removal bag, Ryton), etc
① the back blowing ash cleaning filter bag accessories include bag cap, screw, spring chain, hoop, bag seat, etc
② the accessories of pulse ash cleaning filter bag are mainly bag cages, also called frames. According to the shape of the filter bag, the bag cage can be divided into round bag cage, flat bag cage and octagonal bag cage; According to the loading and unloading methods, it can be divided into upper bag cage and lower bag cage; According to the structure, it can be divided into cage type, spring type and segmented bag cage
2. Ash cleaning mechanism accessories
1) mechanical rapping ash cleaning accessories include mechanical rapping device, compressed air rapping, motor eccentric rapping, transverse rapping device and rapper rapping device
2) the back blowing st cleaning accessories include three-way directional valve, disc-shaped three-way directional valve, baffle valve, rotary switching valve, rotary back blowing device and acoustic soot cleaner
3) pulse cleaning accessories include pulse cleaning off-line valve, disc type air stop valve, pilot valve, common electromagnetic pulse valve, ultra-low pressure large diameter electromagnetic pulse valve, explosion-proof electromagnetic pulse valve and piston type pulse valve
4) decorative accessories for pulse ash cleaning include pressure stabilizing air bag, injection pipe, incer, high-speed injection nozzle and drainage nozzle
5) pulse valve
① according to the pilot control mode, pulse valve can be divided into mechanical control pulse valve, pneumatic control pulse valve and electromagnetic pulse valve. Mechanical control pulse valve and pneumatic control pulse valve belong to early development procts and have been graally eliminated. Now the most commonly used is electromagnetic pulse valve< According to the air flow, it can be divided into right angle valve, through valve and submerged valve< According to the switch, it can be divided into diaphragm valve and piston valve
④ according to the interface form, it can be divided into internal thread interface valve (T type), external thread double bulkhead interface valve (DD type), flange interface valve (FS type) and direct interface valve with the outer wall of gas distributor (mm Type)
6) accessories of heat tracing device include hot water tracing, steam tracing and electric tracing accessories
3. Measuring instruments
1) temperature instruments are divided into expansion thermometer, pressure thermometer and resistance thermometer
2) pressure instruments are divided into liquid column press, compensated pressure gauge and differential pressure transmitter
3) level meter is divided into radiation level meter, wing wheel level meter, tuning fork level meter and radio frequency admittance level meter
4) differential pressure transmitter is divided into capacitive differential pressure transmitter, piezoresistive differential pressure transmitter and differential pressure controller
5) the concentration testing instruments are divided into st emission detector and online total emission / concentration detector< The automatic control device is divided into pulse controller, computer pulse controller, explosion-proof computer pulse controller and intelligent pulse controller
2) overpressure relief devices are divided into safety valve, bursting disc device and combination device of safety valve and bursting disc device.
① ordinary st removal bag is divided into polyester (polyester, pet, PE) filter bag, polypropylene (PP) filter bag, acrylic (Pan) filter bag and polyamide (PA) filter bag
② the high-temperature st removal bag is divided into aromatic polyamide fiber (aramid st removal bag), polytetrafluoroethylene fiber (PTFE st removal bag), aromatic polysulfonamide fiber (polysulfonamide fiber), polyimide fiber (P84 st removal bag), polyphenylene sulfide fiber (PPS st removal bag, Ryton), etc
① the back blowing ash cleaning filter bag accessories include bag cap, screw, spring chain, hoop, bag seat, etc
② the accessories of pulse ash cleaning filter bag are mainly bag cages, also called frames. According to the shape of the filter bag, the bag cage can be divided into round bag cage, flat bag cage and octagonal bag cage; According to the loading and unloading methods, it can be divided into upper bag cage and lower bag cage; According to the structure, it can be divided into cage type, spring type and segmented bag cage
2. Ash cleaning mechanism accessories
1) mechanical rapping ash cleaning accessories include mechanical rapping device, compressed air rapping, motor eccentric rapping, transverse rapping device and rapper rapping device
2) the back blowing st cleaning accessories include three-way directional valve, disc-shaped three-way directional valve, baffle valve, rotary switching valve, rotary back blowing device and acoustic soot cleaner
3) pulse cleaning accessories include pulse cleaning off-line valve, disc type air stop valve, pilot valve, common electromagnetic pulse valve, ultra-low pressure large diameter electromagnetic pulse valve, explosion-proof electromagnetic pulse valve and piston type pulse valve
4) decorative accessories for pulse ash cleaning include pressure stabilizing air bag, injection pipe, incer, high-speed injection nozzle and drainage nozzle
5) pulse valve
① according to the pilot control mode, pulse valve can be divided into mechanical control pulse valve, pneumatic control pulse valve and electromagnetic pulse valve. Mechanical control pulse valve and pneumatic control pulse valve belong to early development procts and have been graally eliminated. Now the most commonly used is electromagnetic pulse valve< According to the air flow, it can be divided into right angle valve, through valve and submerged valve< According to the switch, it can be divided into diaphragm valve and piston valve
④ according to the interface form, it can be divided into internal thread interface valve (T type), external thread double bulkhead interface valve (DD type), flange interface valve (FS type) and direct interface valve with the outer wall of gas distributor (mm Type)
6) accessories of heat tracing device include hot water tracing, steam tracing and electric tracing accessories
3. Measuring instruments
1) temperature instruments are divided into expansion thermometer, pressure thermometer and resistance thermometer
2) pressure instruments are divided into liquid column press, compensated pressure gauge and differential pressure transmitter
3) level meter is divided into radiation level meter, wing wheel level meter, tuning fork level meter and radio frequency admittance level meter
4) differential pressure transmitter is divided into capacitive differential pressure transmitter, piezoresistive differential pressure transmitter and differential pressure controller
5) the concentration testing instruments are divided into st emission detector and online total emission / concentration detector< The automatic control device is divided into pulse controller, computer pulse controller, explosion-proof computer pulse controller and intelligent pulse controller
2) overpressure relief devices are divided into safety valve, bursting disc device and combination device of safety valve and bursting disc device.
3. Desulfurization and st removal are two completely independent equipment
4.
The function of the special acoustic soot cleaner for Liaoning Zhongxin boiler is mainly used to remove the accumulated ash on each heating surface of the boiler. It has the incomparable advantages of the traditional mechanical soot cleaning, steam soot blowing and steel ball soot removal methods. It has been widely used in the fields of electric power, petrochemical and other fields. It has become a solution to the problems of boiler system superheater, economizer, air preheater and waste heat boiler Heat pipe heat exchanger is a new non-contact ash cleaning method for heating surface
5. Gas fired hot water boiler is mainly equipped with
boiler host
burner
control system
instrument valve
inced draft fan
feed water pump
sampler
circulating pump
sub drum
continuous blowdown expander
flue
chimney
fully automatic water treatment
coal fired steam boiler
boiler host
instrument valve Valve
blower
inced draft fan
feed water pump
salt water pump
electric control cabinet
speed box
sampler
cyclone
cast iron economizer
slag extractor
ash extractor
steam distributor
soft water equipment
coal feeder
deaerator
stoker tool
total
multi tube st collector
water film st collector
matching corrosion resistant pump
slag extractor Machine
automatic water treatment
deaeration pump
periodic blowdown expander
continuous blowdown expander
boiler host
burner
control system
instrument valve
inced draft fan
feed water pump
sampler
circulating pump
sub drum
continuous blowdown expander
flue
chimney
fully automatic water treatment
coal fired steam boiler
boiler host
instrument valve Valve
blower
inced draft fan
feed water pump
salt water pump
electric control cabinet
speed box
sampler
cyclone
cast iron economizer
slag extractor
ash extractor
steam distributor
soft water equipment
coal feeder
deaerator
stoker tool
total
multi tube st collector
water film st collector
matching corrosion resistant pump
slag extractor Machine
automatic water treatment
deaeration pump
periodic blowdown expander
continuous blowdown expander
6. HVAC design manual, boiler installation and operation specification
7. This answer how multifarious! It's one thing. What electrostatic precipitator catches is boiler fly ash.
8. 1.1 electrostatic precipitator technology
the main working principle of electrostatic precipitator (ESP) is that high voltage direct current is applied between the corona electrode and the st collecting electrode. The strong electric field generated ionizes the gas and charges the st. The st particles with positive and negative ions move to the corona electrode and the st collecting electrode respectively and deposit on the electrode plate, making the ash fall into the ash hopper through the rapping device
e to the electrostatic precipitator based on the charged st collection mechanism, the electrostatic precipitator is very sensitive to the properties of fly ash (composition, particle size, density, specific resistance, adhesion, etc.), especially for high specific resistance st and fine st, and the change of operating conditions also has a great impact on the st removal efficiency. In addition, it can not capture harmful gases, and has high requirements for manufacturing, installation and operation level
there are three feasible directions for improving the efficiency of the existing electrostatic precipitator: improving the electrostatic precipitator (including the expansion of the electrostatic precipitator, the adoption of new electrostatic precipitator technology and the integration of various new technologies), electrostatic bag composite st removal technology and wet electrostatic precipitator technology
1.2 bag type st removal technology
the main working principle of bag type st collector includes two parts: filtering and ash cleaning. Filtration is the result of inertial collision, gravity sedimentation, diffusion, interception and electrostatic effect of st in sty gas. Bag filter is to use filter material for surface filtration and internal deep filtration. Ash cleaning means that when the st accumulation on the surface of the filter bag reaches the resistance setting value, the ash cleaning mechanism will remove the st on the surface of the filter bag, so that the st collector can keep the continuous work of filtering and ash cleaning
the biggest disadvantage of the bag filter is that it is limited by the filter bag material, and it has poor adaptability in the environment of high temperature, high humidity and high corrosive gas. The average operation resistance is about 1500pa, and the resistance of some bag filters exceeds 2500pa soon after operation. In addition, the filter bag is easy to be damaged and fall off, and the old bag is difficult to be effectively recycled
the environmental technology verification (ETV) project of the US Environmental Protection Agency has tested the performance of ePTFE membrane filter media, and found that the membrane filter media can control PM2.5 and eliminate harmful gases to a certain extent. This project has a good guiding role for the development of bag filter technology. The improvement of bag filter can be further studied from three aspects: the covering of filter material, the improvement and innovation of filter material, and the effective recycling of old bags
1.3 electric bag composite st removal technology
the working process of the electric bag composite st collector is that after the st containing flue gas enters the st collector, about 70-80% of the st is charged in the electric field and collected, and the remaining 20% - 30% of the fine st is filtered and collected by the filter bag. The electrostatic bag filter is compatible with the advantages of electrostatic precipitator and bag filter, which makes up for the shortcomings of both. The st removal mechanism is scientific and reasonable
the main disadvantages of the electrostatic bag filter are ozone corrosion, high operation resistance, large investment and large floor area. The short life of the filter bag and the high cost of changing the filter bag are still its important problems
there are three aspects in the improvement of the electrostatic bag filter: optimizing the long-term synergy and relative structural arrangement of the electrostatic precipitator and the bag filter, eliminating the ozone generated by the electrostatic precipitator, and technological innovation of the filter material
2 new technology of flue gas st removal
e to various practical factors, the above three kinds of st collectors are difficult to meet the new standard of flue gas outlet st discharge less than 30mg / Nm3, especially the poor control of PM2.5 emission. In recent years, scholars at home and abroad have carried out a lot of theoretical research and experimental demonstration on new st removal technologies, such as coalescence technology, wet electrostatic precipitation technology, rotating electrode technology, high frequency power supply technology, flue gas conditioning technology. Many technologies have made breakthrough progress and initially started to apply, but still need to be improved and improved
2.1 coalescence technology
coalescence refers to the process that fine st contacts and collides with each other through physical or chemical ways to form larger particles. After the fine st agglomerates into larger particles, it is easier to be captured by the st collector, which improves the removal efficiency of the fine st. At present, the main coalescence technologies at home and abroad are: electro coalescence, turbulent coalescence, acoustic coalescence, vapor phase change coalescence, chemical coalescence and photocoalescence
electropolymerization is the most practical and effective method in all kinds of polymerization technology. Through the charging of fine particles, electrostatic coalescence makes them attract, collide and coalesce to form large particles. The effect of coalescence depends on the particle concentration, particle size, charge distribution and external electric field.
the main working principle of electrostatic precipitator (ESP) is that high voltage direct current is applied between the corona electrode and the st collecting electrode. The strong electric field generated ionizes the gas and charges the st. The st particles with positive and negative ions move to the corona electrode and the st collecting electrode respectively and deposit on the electrode plate, making the ash fall into the ash hopper through the rapping device
e to the electrostatic precipitator based on the charged st collection mechanism, the electrostatic precipitator is very sensitive to the properties of fly ash (composition, particle size, density, specific resistance, adhesion, etc.), especially for high specific resistance st and fine st, and the change of operating conditions also has a great impact on the st removal efficiency. In addition, it can not capture harmful gases, and has high requirements for manufacturing, installation and operation level
there are three feasible directions for improving the efficiency of the existing electrostatic precipitator: improving the electrostatic precipitator (including the expansion of the electrostatic precipitator, the adoption of new electrostatic precipitator technology and the integration of various new technologies), electrostatic bag composite st removal technology and wet electrostatic precipitator technology
1.2 bag type st removal technology
the main working principle of bag type st collector includes two parts: filtering and ash cleaning. Filtration is the result of inertial collision, gravity sedimentation, diffusion, interception and electrostatic effect of st in sty gas. Bag filter is to use filter material for surface filtration and internal deep filtration. Ash cleaning means that when the st accumulation on the surface of the filter bag reaches the resistance setting value, the ash cleaning mechanism will remove the st on the surface of the filter bag, so that the st collector can keep the continuous work of filtering and ash cleaning
the biggest disadvantage of the bag filter is that it is limited by the filter bag material, and it has poor adaptability in the environment of high temperature, high humidity and high corrosive gas. The average operation resistance is about 1500pa, and the resistance of some bag filters exceeds 2500pa soon after operation. In addition, the filter bag is easy to be damaged and fall off, and the old bag is difficult to be effectively recycled
the environmental technology verification (ETV) project of the US Environmental Protection Agency has tested the performance of ePTFE membrane filter media, and found that the membrane filter media can control PM2.5 and eliminate harmful gases to a certain extent. This project has a good guiding role for the development of bag filter technology. The improvement of bag filter can be further studied from three aspects: the covering of filter material, the improvement and innovation of filter material, and the effective recycling of old bags
1.3 electric bag composite st removal technology
the working process of the electric bag composite st collector is that after the st containing flue gas enters the st collector, about 70-80% of the st is charged in the electric field and collected, and the remaining 20% - 30% of the fine st is filtered and collected by the filter bag. The electrostatic bag filter is compatible with the advantages of electrostatic precipitator and bag filter, which makes up for the shortcomings of both. The st removal mechanism is scientific and reasonable
the main disadvantages of the electrostatic bag filter are ozone corrosion, high operation resistance, large investment and large floor area. The short life of the filter bag and the high cost of changing the filter bag are still its important problems
there are three aspects in the improvement of the electrostatic bag filter: optimizing the long-term synergy and relative structural arrangement of the electrostatic precipitator and the bag filter, eliminating the ozone generated by the electrostatic precipitator, and technological innovation of the filter material
2 new technology of flue gas st removal
e to various practical factors, the above three kinds of st collectors are difficult to meet the new standard of flue gas outlet st discharge less than 30mg / Nm3, especially the poor control of PM2.5 emission. In recent years, scholars at home and abroad have carried out a lot of theoretical research and experimental demonstration on new st removal technologies, such as coalescence technology, wet electrostatic precipitation technology, rotating electrode technology, high frequency power supply technology, flue gas conditioning technology. Many technologies have made breakthrough progress and initially started to apply, but still need to be improved and improved
2.1 coalescence technology
coalescence refers to the process that fine st contacts and collides with each other through physical or chemical ways to form larger particles. After the fine st agglomerates into larger particles, it is easier to be captured by the st collector, which improves the removal efficiency of the fine st. At present, the main coalescence technologies at home and abroad are: electro coalescence, turbulent coalescence, acoustic coalescence, vapor phase change coalescence, chemical coalescence and photocoalescence
electropolymerization is the most practical and effective method in all kinds of polymerization technology. Through the charging of fine particles, electrostatic coalescence makes them attract, collide and coalesce to form large particles. The effect of coalescence depends on the particle concentration, particle size, charge distribution and external electric field.
9. Hello, if you are in water conservancy and electric power system, it is a special type of work<
36 water conservancy and power systems
early retirement
list of types of work
boiler operation ty worker
fuel operation ty worker
boiler maintenance worker
ball mill and pulverizing system maintenance worker
thermal Power Construction: boiler body installation worker
36 water conservancy and power systems
early retirement
list of types of work
boiler operation ty worker
fuel operation ty worker
boiler maintenance worker
ball mill and pulverizing system maintenance worker
thermal Power Construction: boiler body installation worker
10.
The function of the special acoustic soot remover for power plant boiler is mainly used to remove the accumulated ash on each heating surface of the boiler. It has the incomparable advantages of the traditional mechanical soot cleaning, steam soot blowing and steel ball soot removal methods. It has been widely used in the fields of electric power, petrochemical and other fields. It has become a solution to the problems of boiler system superheater, economizer, air preheater, waste heat boiler, boiler, boiler, etc Heat pipe heat exchanger is a new non-contact ash cleaning method for heating surface. I'd like to introce a kind of boiler acoustic soot blower, which is proced by Liaoning Zhongxin Automation Instrument Co., Ltd
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