CN106247362B - A kind of ash bucket monitoring material position of accumulatingdust and emergent ash-discharging device and method - Google Patents

A kind of ash bucket monitoring material position of accumulatingdust and emergent ash-discharging device and method Download PDF

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Publication number
CN106247362B
CN106247362B CN201610891201.4A CN201610891201A CN106247362B CN 106247362 B CN106247362 B CN 106247362B CN 201610891201 A CN201610891201 A CN 201610891201A CN 106247362 B CN106247362 B CN 106247362B
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ash
bypass
emergent
ash bucket
discharging
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CN106247362A (en
Inventor
梁国强
屠正瑞
侯宾才
杨宏宜
方明
王朝雄
刘学炉
刘亚雷
陈慧
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NANJING KAISHENG KAINENG ENVIRONMENTAL ENERGY SOURCES CO Ltd
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NANJING KAISHENG KAINENG ENVIRONMENTAL ENERGY SOURCES CO Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J3/00Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Gasification And Melting Of Waste (AREA)

Abstract

The present invention provides a kind of ash bucket monitoring material position of accumulatingdust and emergent ash-discharging device and methods, belong to removing dust and clearing ash equipment technical field.The device includes conventional discharge system, bypass ash poking system, automatic ash-discharging system and emergency alert system;Wherein, conventional discharge system is located at immediately below ash bucket at ash hole, including the flat gate valve and Star-like unloader by take over connection;Bypass ash poking system includes the emergent emergent ash of putting of grey bend pipe, bypass of putting of bypass ash poking mouth, thermocouple, bypass and takes over and gate valve;Automatic ash-discharging system is taken over including interface, gravity flap valve and automatic ash-discharging;Emergency alert system includes radio frequency admittance, bar type probe and protection board;The present invention can not only effectively monitor ash bucket material position by the way that aforementioned four system is be combined with each other, and can also unload ash by automatic emergency under special circumstances, realize waste heat boiler ash bucket it is safe and stable, efficiently unload ash.

Description

A kind of ash bucket monitoring material position of accumulatingdust and emergent ash-discharging device and method
Technical field
The invention belongs to removing dust and clearing ash equipment technical field, the ash bucket monitoring material position of more particularly to a kind of accumulatingdust is with meeting an urgent need Ash-discharging device and method.
Background technology
At present, waste heat boiler due to the monitoring of grey position it is not in place, often result in each ash bucket all high grey positions, eventually lead to Afterheat boiler system is unstable or failure is had to shutdown maintenance.In normal operation, the height of grey position is ash disposal in ash bucket Operations staff implements the important information of tracking, and ash disposal personnel need to control the material position in ash bucket, in addition need whether observation ash bucket is located In the ash buckets failure such as dust stratification, dust, fluffy ash in normal operating conditions, such as ash bucket.
With the continuous maturation of domestic cogeneration technology, for waste heat boiler operation and maintenance requirement also increasingly Height, the degree of automation of cogeneration are also constantly improving, but still remain operations staff for boiler in many projects The inadequate situation of the attention degree of deashing, often has ash bucket or even the excessive situation of dust deposit in flue occurs, serious threat to pot The safety of stove operation.
Invention content
In order to overcome shortcoming and deficiency in the prior art, the present invention provides a kind of ash bucket material position prisons of accumulatingdust Survey and emergent ash-discharging device and method, can not only realize ash bucket monitoring material position, can also realize that ash bucket ash position reaches setting Automatic ash-discharging emergency processing when high-order.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of ash bucket monitoring material position of accumulatingdust and emergent ash-discharging device, including conventional discharge system, bypass ash poking system System, automatic ash-discharging system and emergency alert system;The routine discharge system is connected at the lower section ash hole of ash bucket, is routinely unloaded Material system includes being located at the top of discharger by the flat gate valve and discharger of take over connection, flat gate valve;The bypass ash poking System includes that bypass ash poking mouth, thermocouple, bypass are emergent to put grey bend pipe, gate valve and bypass is emergent puts ash and take over, and bypass is emergent Put grey bend pipe, gate valve and bypass it is emergent put ash and take over be sequentially connected from top to bottom;Bypass is emergent to put grey bend pipe and is being located at ash bucket just The side of lower section, bypass ash poking mouth are located at the emergent oblique upper end for putting grey bend pipe of bypass and positioned at the lower parts of ash bucket, and thermocouple is located at The routine discharge system takes over inlet;The automatic ash-discharging system is connected to the side below ash bucket, automatic ash-discharging system System includes interface, flap valve and automatic ash-discharging and takes over, and flap valve is located at the intersection of ash bucket and interface, and automatic ash-discharging is connect under interface It takes over;The emergency alert system is located at the inside of ash bucket, and emergency alert system includes level-sensing device, probe and protection board, protection Plate is located at the top of probe;The routine discharge system, bypass the thermocouple of ash poking system, automatic ash-discharging system flap valve, The horizontally disposed height of the probe of emergency alert system is incremented by successively.
Further, the conventional discharge system, bypass ash poking system, automatic ash-discharging system and emergency alert system is each From central axes and ash bucket in center line be arranged on same plane.
Further, the bypass ash poking mouth is set at the height H1 of the ash hole immediately below ash bucket;It is described to answer Anxious warning device is set to below the center line of exhaust pass at height H2.
Further, the flat gate valve is manual one-way fashion;Discharger is Star-like unloader.The thermocouple is E types Thermocouple.The flap valve is gravity flap valve.The material position is calculated as radio frequency admittance level-sensing device;It pops one's head in and pops one's head in for bar type.It is described Bypass is emergent, and to put grey bend pipe and the angle of vertical direction be 120~140 °.
Using the method for the ash bucket monitoring material position and emergent ash-discharging device of a kind of accumulatingdust, process is as follows:It is remaining Heat boiler at runtime, it is described routine discharge system open, the dust fallen into ash bucket out of waste heat boiler by take over via Discharger is constantly discharged;When the temperature that the thermocouple of the bypass ash poking system detects is less than setting range, then institute is opened The emergent gate valve put ash and taken over of bypass is stated, dust stratification is made to be put during ash takes over from bypass is emergent by the bypass ash poking mouth ash poking Discharge;If dust stratification cannot be solved effectively in ash bucket, and waste heat boiler continues to run with, and ash bucket dust stratification reaches the automatic ash-discharging system When at the flap valve of system, flap valve automatically turns under material gravity effect, meet an urgent need and unloads ash;If above-mentioned each system is still not Can solve the problems, such as to unload it is grey, in ash bucket dust stratification arrival emergency altitude and trigger the emergency alert system, then shut down waste heat boiler, treat Waste heat boiler can be just restarted after dust stratification is cleaned out in ash bucket.
Further, when the conventional discharge system breaks down, then the flat gate valve on conventional discharge system is closed, Open simultaneously the bypass it is emergent put the gate valve that ash is taken over and meet an urgent need unload ash;Institute is then turned on after waiting for conventional discharge system reparation It states flat gate valve and closes the emergent gate valve put ash and taken over of bypass.
Part dust into waste heat boiler entrained by flue gas falls into ash bucket and is discharged via the ash-discharging device of the present invention, He takes away dust with flue gas via exhaust pass.
Apparatus of the present invention can not only effectively monitor ash bucket material position by the way that four systems are be combined with each other, can also be in spy Automatic emergency unloads ash in the case of different, realize waste heat boiler ash bucket it is safe and stable, efficiently unload ash, manpower money is greatly saved Source.
The conventional discharge system, bypass ash poking system, automatic ash-discharging system and emergency alert system four of apparatus of the present invention System is set from top to bottom successively in position, and each system coordinates cooperation during ash is unloaded, all linked with one another, and design is very skilful It is wonderful, it ensure that device is run steadily in the long term:If dust stratification situation occurs in conventional discharge system, bypass ash poking system, which is opened, to be used; When bypass ash poking system does not play effect, automatic ash-discharging system begins to use;When automatic ash-discharging system does not play effect, When dust stratification reaches the alarm state of emergency alert system, emergency alert system plays a role.
In addition, each system structure simplicity of apparatus of the present invention is compact, it is easily installed and dismantles;Plant automation operation is horizontal Also higher reduces the execute-in-place difficulty of worker.
Description of the drawings
Fig. 1 is the front view of apparatus of the present invention;
Fig. 2 is the left view of apparatus of the present invention;
Fig. 3 is the right view of apparatus of the present invention;
Wherein, 1- waste heat boilers, 2- protection boards, 3- radio frequency admittance level-sensing devices, 4- bypass ash poking mouths, 5- bypasses are emergent to put ash Bend pipe, 6- flat gate valves, 7- Star-like unloaders, 8- gate valves, 9- bypasses are emergent to put ash and takes over, 10- exhaust pass, 11- bar types Probe, 12- gravity flap valves, 13- interfaces, 14- thermocouples, 15- automatic ash-dischargings are taken over, 16- ash buckets.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
As shown in Figs. 1-3, the ash bucket monitoring material position of the accumulatingdust of the present embodiment includes conventional discharging with emergent ash-discharging device System, bypass ash poking system, automatic ash-discharging system and emergency alert system;
Wherein, conventional discharge system is connected at the underface ash hole of ash bucket 16, and conventional discharge system is included by taking over The flat gate valve 6 of connection and Star-like unloader 7, flat gate valve 6 are located at the top of Star-like unloader 7.Bypass ash poking system includes Bypass ash poking mouth 4, thermocouple 14, bypass be emergent to put grey bend pipe 5 (its angle with vertical direction is 120~140 °, conducive to dust stratification Smoothly outflow is fallen, and also reserves the emergent operating distance put between the taking over of grey take over 9 and conventional discharge system of bypass), insert Plate valve 8 and bypass is emergent puts ash take over 9, bypass is emergent to put grey bend pipe 5, gate valve 8 and bypass is emergent puts ash take over 9 from top to bottom It is sequentially connected;The emergent underface left side put grey bend pipe 5 and be set to ash bucket 16 of bypass, bypass ash poking mouth 4 are set to ash bucket 16 Lower left side, the emergent oblique upper end for putting grey bend pipe 5 of bypass, thermocouple 14 are set to the above-mentioned conventional discharge system immediately below ash bucket 16 Take over inlet.Automatic ash-discharging system is set to 16 lower right side of ash bucket, and automatic ash-discharging system includes interface 13, gravity flap valve 12 and automatic ash-discharging take over 15, gravity flap valve 12 be located at the intersection of ash bucket 16 and interface 13,13 times connections of interface are unloaded automatically Ash take over 15.Emergency alert system is set to the inside left of ash bucket 16, emergency alert system include radio frequency admittance level-sensing device 3, Bar type probe 11 and protection board 2,11 top of bar type probe are equipped with protection board 2 and carry out dust protection protection.
The central axes of the ash bucket monitoring material position of the accumulatingdust of the present embodiment and each system in emergent ash-discharging device with ash Center line is arranged on same plane in bucket 16.
For the setting of the position of above-mentioned each system, conventional discharge system, unloads the thermocouple 14 for bypassing ash poking system automatically The gravity flap valve 12 of ash system, emergency alert system the height of bar type probe 11 increase successively.
Preferably, above-mentioned bypass ash poking mouth 4 be set to the ash hole immediately below ash bucket 16 height H1 (0.20~ 0.50m) place;Above-mentioned emergency alarm device is set to below the center line of exhaust pass 10 at height H2 (1.00~1.50m).
In the present embodiment, the flat gate valve 6 in conventional discharge system is manual one-way fashion;Discharger is Star-like unloader 7; It is E type thermocouples to bypass the thermocouple 14 in ash poking system;Flap valve in automatic ash-discharging system is gravity flap valve 12;It is emergent Material position in alarm system is calculated as radio frequency admittance level-sensing device 3, pops one's head in as bar type probe 11.
Waste heat boiler 1 at runtime, open by conventional discharge system, and the dust dropped into ash bucket 16 in waste heat boiler 1 leads to It crosses to take over and constantly be discharged via Star-like unloader 7;When the temperature that the thermocouple 14 of bypass ash poking system detects is less than setting model When enclosing (100~180 DEG C), illustrate that the dust in ash bucket 16 excessively leads to take over that place's dust stratification is serious, and staff can open at this time The emergent gate valve 8 put on grey take over 9 of bypass makes dust stratification put 9 row of ash take over from bypass is emergent by bypassing 4 ash poking of ash poking mouth Go out;If 16 dust stratification of ash bucket cannot be solved effectively, and waste heat boiler 1 continues to run with, and the dust stratification in ash bucket 16 reaches gravity turnover panel When at valve 12, gravity flap valve 12 automatically turns under material gravity effect, reaches emergent and unloads grey purpose, and give staff More time dredges dust stratification by bypassing ash poking system;If dust stratification reaches emergency altitude and triggers emergent alarm system in ash bucket 16 System, then must shut down waste heat boiler 1, can just restart waste heat boiler 1 after dust stratification in ash bucket 16 is cleaned out.
In addition, when conventional discharge system breaks down, the flat gate valve 6 of conventional discharge system can be closed, is opened simultaneously The emergent gate valve 8 put on grey take over 9 of bypass is emergent to unload ash, and conventional discharge system is then turned on after conventional discharge system reparation Flat gate valve 6 closes the emergent gate valve 8 put on grey take over 9 of bypass.
The foregoing is merely the preference embodiments of the present invention, are not intended to limit the scope of the present invention..Appoint All any modification, equivalent and improvement what is made within the spirit and principles in the present invention etc. should be included in the present invention's Within claims.

Claims (10)

1. a kind of ash bucket monitoring material position of accumulatingdust and emergent ash-discharging device, which is characterized in that described device includes conventional discharging System, bypass ash poking system, automatic ash-discharging system and emergency alert system;The routine discharge system is connected to the lower section of ash bucket At ash hole, conventional discharge system includes being located at the upper of discharger by the flat gate valve and discharger of take over connection, flat gate valve Side;The ash poking system that bypasses is including bypassing ash poking mouth, thermocouple, bypassing to meet an urgent need to put grey bend pipe, gate valve and bypass to meet an urgent need and put Ash is taken over, bypass is emergent put grey bend pipe, gate valve and bypass it is emergent put ash and take over be sequentially connected from top to bottom;Bypass is emergent to put ash Bend pipe is located at the side immediately below ash bucket, and bypass ash poking mouth is located at the emergent oblique upper end for putting grey bend pipe of bypass and under ash bucket Portion, what thermocouple was located at the top of the conventional discharge system takes over inlet;The automatic ash-discharging system is connected under ash bucket The side of side, automatic ash-discharging system are taken over including interface, flap valve and automatic ash-discharging, and flap valve is located at the boundary of ash bucket and interface Locate, connecing automatic ash-discharging under the interface takes over;The emergency alert system is located at the inside of ash bucket, and emergency alert system includes material Position meter, probe and protection board, protection board are located at the top of probe;It is described routine discharge system, bypass ash poking system thermocouple, The flap valve of automatic ash-discharging system, the horizontally disposed height of the probe of emergency alert system are incremented by successively.
2. a kind of ash bucket monitoring material position of accumulatingdust according to claim 1 and emergent ash-discharging device, which is characterized in that institute In the respective central axes and ash bucket for stating conventional discharge system, bypass ash poking system, automatic ash-discharging system and emergency alert system Center line is arranged on same plane.
3. a kind of ash bucket monitoring material position of accumulatingdust according to claim 1 or 2 and emergent ash-discharging device, feature exist In the bypass ash poking mouth is set at the height H1 of the ash hole immediately below ash bucket;The emergency alarm device setting At the center line lower section height H2 of exhaust pass.
4. a kind of ash bucket monitoring material position of accumulatingdust according to claim 1 or 2 and emergent ash-discharging device, feature exist In the flat gate valve is manual one-way fashion;Discharger is Star-like unloader.
5. a kind of ash bucket monitoring material position of accumulatingdust according to claim 1 or 2 and emergent ash-discharging device, feature exist In the thermocouple is E type thermocouples.
6. a kind of ash bucket monitoring material position of accumulatingdust according to claim 1 or 2 and emergent ash-discharging device, feature exist In the flap valve is gravity flap valve.
7. a kind of ash bucket monitoring material position of accumulatingdust according to claim 1 or 2 and emergent ash-discharging device, feature exist In the material position is calculated as radio frequency admittance level-sensing device;It pops one's head in and pops one's head in for bar type.
8. a kind of ash bucket monitoring material position of accumulatingdust according to claim 1 or 2 and emergent ash-discharging device, feature exist In, the bypass, emergent to put grey bend pipe and the angle of vertical direction be 120~140 °.
9. the method for the ash bucket monitoring material position and emergent ash-discharging device using a kind of accumulatingdust described in claim 1, feature It is, waste heat boiler at runtime, open, and the dust in ash bucket is fallen into out of waste heat boiler by connecing by the routine discharge system Pipe is constantly discharged via discharger;When the temperature that the thermocouple of the bypass ash poking system detects is less than setting range, then The emergent gate valve put ash and taken over of the bypass is opened, dust stratification is made to put ash from bypass is emergent by the bypass ash poking mouth ash poking Take over middle discharge;If dust stratification cannot be solved effectively in ash bucket, and waste heat boiler continues to run with, and ash bucket dust stratification reaches described automatic When at the flap valve of ash discharging system, flap valve automatically turns under material gravity effect, meet an urgent need and unloads ash;If above-mentioned each system It still cannot solve the problems, such as to unload grey, dust stratification reaches and emergency altitude and triggers the emergency alert system in ash bucket, then shuts down waste heat Boiler can just restart waste heat boiler after dust stratification in ash bucket is cleaned out.
10. according to the method described in claim 9, it is characterized in that, when the conventional discharge system breaks down, then close Flat gate valve on conventional discharge system, at the same open the bypass it is emergent put the gate valve that ash is taken over and meet an urgent need unload ash;It waits for The flat gate valve is then turned on after conventional discharge system reparation and closes the emergent gate valve put ash and taken over of bypass.
CN201610891201.4A 2016-10-12 2016-10-12 A kind of ash bucket monitoring material position of accumulatingdust and emergent ash-discharging device and method Active CN106247362B (en)

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CN111453447A (en) * 2020-04-10 2020-07-28 南京玻璃纤维研究设计院有限公司 Online rock wool waste cotton recovery device

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Publication number Priority date Publication date Assignee Title
JPH0544915A (en) * 1991-08-15 1993-02-23 Mitsubishi Heavy Ind Ltd Device of monitoring accumulated matter in hopper
CN101201169A (en) * 2006-12-14 2008-06-18 福建龙净环保股份有限公司 Emergency gray-removing device for ash hopper
CN102743929A (en) * 2012-06-28 2012-10-24 郭丰亮 Novel gravity deduster ash unloading device
CN203276469U (en) * 2013-04-26 2013-11-06 辽宁壹诺环境有限公司 Thermal resistor auxiliary material level alarm device
CN203917303U (en) * 2014-06-24 2014-11-05 河北钢铁股份有限公司唐山分公司 A kind of coke discharging dedusting automatic ash removing device
CN206094125U (en) * 2016-10-12 2017-04-12 南京凯盛开能环保能源有限公司 Prevent monitoring of ash bucket material level and emergent dust discharging device of deposition

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0544915A (en) * 1991-08-15 1993-02-23 Mitsubishi Heavy Ind Ltd Device of monitoring accumulated matter in hopper
CN101201169A (en) * 2006-12-14 2008-06-18 福建龙净环保股份有限公司 Emergency gray-removing device for ash hopper
CN102743929A (en) * 2012-06-28 2012-10-24 郭丰亮 Novel gravity deduster ash unloading device
CN203276469U (en) * 2013-04-26 2013-11-06 辽宁壹诺环境有限公司 Thermal resistor auxiliary material level alarm device
CN203917303U (en) * 2014-06-24 2014-11-05 河北钢铁股份有限公司唐山分公司 A kind of coke discharging dedusting automatic ash removing device
CN206094125U (en) * 2016-10-12 2017-04-12 南京凯盛开能环保能源有限公司 Prevent monitoring of ash bucket material level and emergent dust discharging device of deposition

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Denomination of invention: An ash hopper material level monitoring and emergency ash unloading device and method for preventing ash accumulation

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