CN202598553U - Intelligent fuel gas pulse shock wave soot blower - Google Patents

Intelligent fuel gas pulse shock wave soot blower Download PDF

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Publication number
CN202598553U
CN202598553U CN 201220214418 CN201220214418U CN202598553U CN 202598553 U CN202598553 U CN 202598553U CN 201220214418 CN201220214418 CN 201220214418 CN 201220214418 U CN201220214418 U CN 201220214418U CN 202598553 U CN202598553 U CN 202598553U
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China
Prior art keywords
air
shock wave
gas
module
control module
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Expired - Fee Related
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CN 201220214418
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Chinese (zh)
Inventor
翟晓航
任政
周海明
邹志强
谭宏
傅旭航
车波
邓继雄
宋巧凤
李红波
王华林
孟祥太
刘赛
杨振宇
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Hunan Jixiang Petrochemical Science & Technology Co Ltd
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Hunan Jixiang Petrochemical Science & Technology Co Ltd
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Abstract

The utility model relates to an intelligent shock wave soot blower, in particular to an intelligent fuel gas pulse shock wave soot blower. The intelligent fuel gas pulse shock wave soot blower comprises an intelligent control module, an energy control module, a mixed igniting module and a shock wave generator, wherein one side of the intelligent control module is connected with an external cable; the other side of the intelligent control module is connected with the energy control module and the mixed igniting module respectively; one side of the energy control module is connected with a fuel gas inlet pipe and an air inlet pipe; the other side of the energy control module is connected with a fuel gas main pipeline and an air main pipeline; the energy control module is used for adjusting fuel gas and air; one side of the mixed igniting module is connected with an air branch pipe; the other side of the mixed igniting module is connected with a detonation pipeline; the mixed igniting module is used for mixing the fuel and the air and used for igniting a fire; one side of the shock wave generator is connected with the detonation pipeline; the other side of the shock wave generator is provided with a nozzle; and high pressure and high temperature detonation shock waves generated in the shock wave generator are output by the nozzle of the shock wave generator; and the intelligent fuel gas pulse shock wave soot blower provided by the utility model is efficient, economic and environment-friendly; and hidden dangers of the traditional shock wave soot blowing system are completely solved.

Description

Intelligent gas pulse shock-wave ash blowing device
Technical field
The utility model relates to intelligent shock-wave ash blowing device system, refers in particular to a kind of intelligent gas pulse shock-wave ash blowing device.
Background technology
Various Industrial Boilers of extensive use such as pulverized-coal fired boiler, CFBB, oil burning boiler, waste-heat oven, heating furnace, hot-blast stove, technology stove and incinerator etc. in the energy and environmental protection field.These boilers are in running, and its heating surface generally is easy to generate dust stratification, and flue gas resistance is increased, and boiler thermal output descends, and exhaust gas temperature raises, and has a strong impact on the normal operation of boiler.Present stage, extensive practical various slag-blowing equipmemts in the boiler applications field wherein replace traditional " steam is wet to be blown " with " shock wave is dried to be blown ", and mode receives user's welcome by it." shock wave is dried to be blown " mode has fundamentally solved " steam wet blows " existing problem, has avoided blowing the smoke moisture increase that causes because of wet, causes blowing the problem that grey decrease in efficiency, corrosive pipeline speed up.But, present stage practical " shock wave is dried to be blown " equipment---being the shock-wave ash blowing device exists problems in structure and control mode design, as:
1, structure is disperseed, the Installation and Debugging difficulty, and adaptive capacity is poor, occurs the gas leakage problem easily;
2, the ignition pipeline is long, tempering time is long, exists to jeopardize the source of the gas potential safety hazard;
3, igniting chamber igniting, lighting valve switch are frequent, are prone to produce the high temperature heating;
4, poor, the poor stability of SHOCK ENERGY controlled amount property is prone to the impaired problem of red dog of blowing;
5, control performance is poor, control mode is single, fault rate is high, can not guarantee that soot blower system moves reliably and with long-term.
Summary of the invention
The purpose of the utility model is to improve and innovate to defective that exists in the background technology and problem, provide a kind of efficiently, the intelligent gas pulse shock-wave ash blowing device of economy, environmental protection.
The technical scheme of the utility model is a kind of intelligent gas pulse shock-wave ash blowing device that comprises intelligent control module, energy control module, mixed firing module and shock wave generator of structure, wherein:
Intelligent control module one side is connected with external cable, and opposite side is connected with energy control module and mixed firing module respectively;
Energy control module one side is connected with fuel gas inlet tube and air inlet tube, and opposite side is connected with combustion gas Trunk Line and air Trunk Line, and energy control module is regulated combustion gas and air;
Mixed firing module one side is connected with combustion gas arm and air arm, and opposite side is connected with the detonation pipeline, mixed firing module fuel combination and air and igniting;
Shock wave generator one side is connected with the detonation pipeline, and opposite side is provided with nozzle, produces the nozzle output of high pressure-temperature detonation shock wave by shock wave generator in the shock wave generator.
Advantage of the utility model and beneficial effect:
The utility model has been abandoned traditional approach; Combustion gas, air are distributed through the proportioning of energy control module; Blending tank, the detonation of some cupping jar introduced in the mixed firing module in each branch road through pipeline separately then produce high pressure-temperature detonation gas, and detonation gas directly gets into shock wave generator by leading the combustion pipe, has thoroughly solved the hidden danger of traditional shock wave soot-blowing system; Utilize the burning pulse to realize the ash disposal of boiler heating surface; Be that gray technology is blown in New-generation efficient energy-saving, environmental protection, can greatly improve and blow grey efficient, reduce corrosive pipeline speed; Reduce maintenance frequency; Significantly reduce exhaust gas temperature and reduce flue gas resistance; Improve the thermal efficiency, reduce operating cost; Solve the hard nut to crack of the long-term dust stratification coking of boiler; Can improve the overall economic efficiency of enterprise significantly; Be the up-to-date ash products that blows of upgrading, can be widely used in the top blast ash that is heated of boilers such as fire coal, combustion gas, fuel oil, waste incineration, various UTILIZATION OF VESIDUAL HEAT IN, concrete advantage has:
1, the standardization of system, modular technology
Utility model has adopted high integration, modular construction, and one-of-a-kind system refers to that single intelligent control module system is made up of an intelligent control module, energy control module and Duo Tai mixed firing module and shock wave generator, and it is a branch road that a mixed firing module is joined two shock wave generators; Each branch road independently constitutes complete work system; Combustion gas, air be air feed along separate routes, in mixing module, mixes and ignites, and the pulse of high pressure-temperature detonation shock wave forms in shock wave generator; The shock wave burst transmissions is apart from weak point; Safety coefficient is high, and each branch road works alone, and does not disturb mutually;
Modular device adopts anticorrosion, moistureproof independent rack, and simple and convenient operation and maintenance has prolonged service life of equipment, has strengthened security.
2, the functionalization of module, intellectualized technology
Intelligent control module adopts HMI and PID from adjusting full-automatic monitoring technique able to programme; Module is to control, the measurement demand of SHOCK ENERGY; Make up function systems such as a collection unit and total system control, measurement, processing, demonstration and early warning be chain; Intelligent control module is supported the remote monitoring and the operation of LAN, and the convenient DCS of the realization system integration is controlled;
Be designed with flow sensing, pressure sensor and adjusting, by-pass valve control device in the energy control module; On control technology, combustion gas, air flow equalize technology, dual voltage stabilizing technique have been adopted; Realized to combustion gas, air mix when energy level by settings from adjusting adjusting; Shock strength is controlled, sphere of action is controlled from making, thereby shock wave is complementary with waiting the working face shape and the dust stratification type of blowing ash, and the applicability of shock wave soot-blowing system strengthens.Adopted combustion gas to leak outside and interior leakage monitoring and warning technology simultaneously, system starts protection when environment combustible gas concentration in the module surpasses LEL 50%, cuts off air feed, sends alarm signal and shows position, gas leakage position;
Adopted the control of double control electromagnetic valve in the mixed firing module; Detonation pressure detection, fuming-off temperature detection, treatment technology have been adopted simultaneously; Can effectively prevent to cause blending tank, the sustained combustion of some cupping jar in the module because of the gas leakage of control valve deflation out of control or control valve; And burn out the components and parts in the module, and adopt back-fire relief, non-return technology at the module front end, can effectively guarantee system's safety in operation and reliability.
3, interior orifice plate current-sharing and critical orifice plate current stabilization technology
Orifice plate current-sharing and shock wave jar adopted critical orifice plate current stabilization technology in the blending tank of shock wave generator adopted; The mixed combustion gas degree of filling of shock wave generator is brought up to 99% from general less than 50%; To mix the combustion gas burn-off rate and bring up to 100% from general less than 70%; Axial detonation gas spread speed in the shock wave jar is brought up to per second from the not enough km of per second reach tens thousand of rice, SHOCK ENERGY is improved reach more than 2 times.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model DCS system integration sketch map.
Fig. 3 is the utility model energy control module control flow chart.
Fig. 4 is the utility model ignition module control flow chart.
The specific embodiment
Can know by Fig. 1 to 4; The utility model comprises mixed firing module 8; Be arranged on the energy control module 2 of mixed firing module 8 front ends, be arranged on the shock wave generator 10 and the intelligent control module 1 that is arranged on energy control module 2 outer ends of mixed firing module 8 rear ends, wherein:
Intelligent control module 1 one sides are connected with external cable, and opposite side is connected with energy control module 2 and mixed firing module 8 respectively;
Energy control module 2 one sides are connected with fuel gas inlet tube 11 and air inlet tube 12, and opposite side is connected with combustion gas Trunk Line 3 and air Trunk Line 4, and energy control module 2 is regulated combustion gas and air;
Mixed firing module 8 one sides are connected with combustion gas arm 6 and air arm 7, and opposite side is connected with detonation pipeline 9, mixed firing module 8 fuel combinations and air and igniting;
Shock wave generator 10 1 sides are connected with detonation pipeline 9, and opposite side is provided with nozzle, produce the nozzle output of high pressure-temperature detonation shock wave by shock wave generator in the shock wave generator 10.
Described intelligent control module 1 is based on HMI and the PID full-automatic monitoring system module of programming, and makes up a collection unit and the chain functional device of total system control, measurement, processing and early warning, the remote monitoring and the operation of setting up LAN, and the DCS system integration is controlled.
Described energy control module 2 comprises air FLOW CONTROL circuit and fuel gas flow control circuit, and the order of connection of its air FLOW CONTROL circuit is: air pressure probe 01, Pressure gauge 02, air switch 03, air flow rate adjustment valve 04 and flow sensor 05; The order of connection of fuel gas flow control circuit is: gas leakage detector 06, gaseous-pressure sensor 07, gaseous-pressure table 08, spark arrester 09, burnt gas switch valve 010, gas control valve 011 and gas flow sensor 012.
Described mixed firing module 8 comprises air control circuit and combustion gas control circuit, and the order of connection of its air control circuit is: hand valve 13, air borne sensor 14, air manometer 15, air cleaner 16, air switching valve 17 and air check valve 18; The combustion gas control circuit the order of connection be: hand valve 19, pressure sensor 110, Pressure gauge 111, filter-press 112, first order burnt gas switch valve 113, second level burnt gas switch valve 114, combustion gas check valve 115 and spark arrester 116, two circuits are connected with blending tank 117; Point cupping jar 119 is connected with blending tank 117, and igniter 118 is connected with some cupping jar 119, and the detonation pressure detecting element is arranged on a cupping jar 119 outlets.
Described shock wave generator 10 comprises shock wave generator 120, shock wave nozzle 121; Wherein: uniform flow orifice and current stabilization orifice plate are set on the shock wave generator 120; Shock wave generator 120 is connected with some cupping jar 119, and shock wave nozzle 121 is connected with shock wave generator 120, and the shock wave pulse is exported from nozzle.
Described combustion gas Trunk Line 3 and air Trunk Line 4 are provided with at least two combustion gas arms 6 and air arm 7.
The operation principle of the utility model:
Fuel gas coal gas, acetylene, natural gas, oil liquefied gas etc., air are introduced by the input interface of energy control module respectively; Shown in accompanying drawing 3; Fuel gas is through FAC-101 gas leakage detector, PT-101A gaseous-pressure sensor, PG-101A gaseous-pressure table, B-101 spark arrester, XV-101A burnt gas switch valve, FV-101A gas control valve, FT-101A gas flow sensor; From outlet output, wherein, the PT-201A in PT-101A and the mixed firing module combines FV-101A to constitute dual metastable gas pressing system together; FT101B combines FV-101 to constitute two closed loop proportional together from adjusting the gas flow systems stabilisation in FT-101A and the air line; Combustion gas leaks outside, interior omission is surveyed device FAC-101 and combined XV-101A to constitute leak detection system, and combustable gas concentration was above 30% o'clock of LEL in the environment in energy control module, and the control system sends early warning; Surpassing 50% o'clock control system produces chain; Start at every turn and withdraw from when blowing the grey course of work, system will change along stroke pressure according to burning line, realize generation self check, monitoring, diagnosis, early warning and chain function to each parts duty of system.
Air is through PT-101B air borne sensor, PG-101B Pressure gauge, XV-101B air switch, FV-101B air control valve, FT-101B flow control valve and FT-101B flow sensor; Export from air outlet slit; Wherein, PT-101B and FT-101B combine FV-101B to constitute the two closed loop steady flow systems of air together, can guarantee bleed pressure, flowrate proportioning is adjustable, constant current constant voltage output.
Shown in accompanying drawing 1; Get into mixed firing module such as accompanying drawing 4 by the tap line that combustion gas Trunk Line and air Trunk Line are assigned to separately respectively from the combustion gas and the air of energy control module output; Combustible gas is got into by fuel gas inlet, gets into blending tank through PT-201A pressure sensor, PG-201A Pressure gauge, gas filter, XV-201A first order burnt gas switch valve, XV-202A second level burnt gas switch valve, check valve check element, spark arrester back-fire relief element, and air gets into blending tank by PT-201B air borne sensor, PG-201B air manometer, air cleaner, XV-201B air switching valve, air check valve check element; Combustion gas and air get into the igniting jar after mixing in-tank mixing; Ignited by fire element at a cupping jar, get into the shock wave generator blast through the detonation pipeline and produce shock wave, shock wave is defeated through nozzle; The point cupping jar is provided with the fuming-off temperature detecting element; It is out of control or leak to be used to detect gas source valve, can not cut off source of the gas effectively after the igniting, and gaseous mixture maybe sustained combustion in a cupping jar, blending tank; The mixed firing apparatus surface temperature is sharply raise; Device failure and security incident, the outlet of some cupping jar is provided with the detonation pressure detecting element, is used for detonation pressure detection and miso-fire and detects.Gaseous-pressure sensor PT-201A and air pressure probe PT-201B constitute the gaseous mixture closed loop from adjusting the voltage stabilizing important devices; Can guarantee shock wave pulse energy control requirement; Gas circuit adopts two-stage switch valve group XV-201A, XV-202A, can guarantee system's security of operation, reliable.
Technical parameter:
Parameter title unit amount
System power supply voltage v 380
Igniting unit
Supply voltage v 220
Supply frequency Hz 50
Igniting interval s 3-30
Ignitor is s 0.1-0.5 at interval
Ignition duration s 1-10
Igniting power w < 30
Amount of consumed gas m3/h < 5.5
Specific air consumption m3/h < 100
Gaseous-pressure MPa 0.1-0.15
Air pressure MPa 0.1-0.25
Detonation gas
Operating distance m 2-7
Sphere of action m3 10-45
Impact strength KJ 500-800
Frequency of sound wave Hz 30-200
Outside effective acoustic pressure grade dB>=160 stoves≤80.
The described embodiment of the utility model only is the description that the preferred implementation of the utility model is carried out; Be not that the utility model design and scope are limited; Under the prerequisite that does not break away from the utility model design philosophy, engineers and technicians make the technical scheme of the utility model in this area various modification and improvement all should fall into the protection domain of the utility model; The technology contents that the utility model is asked for protection all is documented in claims.

Claims (6)

1. intelligent gas pulse shock-wave ash blowing device; It is characterized in that comprising mixed firing module (8); Be arranged on the energy control module (2) of mixed firing module (8) front end; Be arranged on the shock wave generator (10) of mixed firing module (8) rear end and be arranged on the intelligent control module (1) of energy control module (2) outer end, wherein:
Described intelligent control module (1) one side is connected with external cable, and opposite side is connected with energy control module (2) and mixed firing module (8) respectively;
Described energy control module (2) one sides are connected with fuel gas inlet tube (11) and air inlet tube (12), and opposite side is connected with combustion gas Trunk Line (3) and air Trunk Line (4), and energy control module (2) is regulated combustion gas and air;
Described mixed firing module (8) one sides are connected with combustion gas arm (6) and air arm (7), and opposite side is connected with detonation pipeline (9), mixed firing module (8) fuel combination and air and igniting;
Described shock wave generator (10) one sides are connected with detonation pipeline (9), and opposite side is provided with nozzle, produce the nozzle output of high pressure-temperature detonation shock wave by shock wave generator in the shock wave generator (10).
2. intelligent gas pulse shock-wave ash blowing device according to claim 1; It is characterized in that described intelligent control module (1) is based on HMI and the PID full-automatic monitoring system module of programming; Make up a collection unit and the chain functional device of total system control, measurement, processing and early warning; Set up the remote monitoring and the operation of LAN, DCS system integration control.
3. intelligent gas pulse shock-wave ash blowing device according to claim 1; It is characterized in that described energy control module (2) comprises air FLOW CONTROL circuit and fuel gas flow control circuit, the order of connection of its air FLOW CONTROL circuit is: air pressure probe (01), Pressure gauge (02), air switch (03), air flow rate adjustment valve (04) and flow sensor (05); The order of connection of fuel gas flow control circuit is: gas leakage detector (06), gaseous-pressure sensor (07), gaseous-pressure table (08), spark arrester (09), burnt gas switch valve (010), gas control valve (011) and gas flow sensor (012).
4. intelligent gas pulse shock-wave ash blowing device according to claim 1; It is characterized in that described mixed firing module (8) comprises air control circuit and combustion gas control circuit, the order of connection of its air control circuit is: hand valve (13), air borne sensor (14), air manometer (15), air cleaner (16), air switching valve (17) and air check valve (18); The combustion gas control circuit the order of connection be: hand valve (19), pressure sensor (110), Pressure gauge (111), filter-press (112), first order burnt gas switch valve (113), second level burnt gas switch valve (114), combustion gas check valve (115) and spark arrester (116), two circuits are connected with blending tank (117); Point cupping jar (119) is connected with blending tank (117), and igniter (118) is connected with some cupping jar (119), and the detonation pressure detecting element is arranged on a cupping jar (119) outlet.
5. intelligent gas pulse shock-wave ash blowing device according to claim 1; It is characterized in that described shock wave generator (10) comprises shock wave generator (120), shock wave nozzle (121); Wherein: uniform flow orifice and current stabilization orifice plate are set on the shock wave generator (120); Shock wave generator (120) is connected with some cupping jar (119), and shock wave nozzle (121) is connected with shock wave generator (120), and the shock wave pulse is exported from nozzle.
6. intelligent gas pulse shock-wave ash blowing device according to claim 1 is characterized in that described combustion gas Trunk Line (3) and air Trunk Line (4) are provided with at least two combustion gas arms (6) and air arm (7).
CN 201220214418 2012-05-14 2012-05-14 Intelligent fuel gas pulse shock wave soot blower Expired - Fee Related CN202598553U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103185352A (en) * 2013-04-23 2013-07-03 台州英达机械科技有限公司 Ignition safety device
CN104331038A (en) * 2014-10-11 2015-02-04 大唐三门峡发电有限责任公司 Shock wave soot blower control system
CN106838951A (en) * 2017-04-10 2017-06-13 瓮福紫金化工股份有限公司 A kind of shock-wave ash blowing air distributing device
CN111486463A (en) * 2020-04-23 2020-08-04 北京宸控环保科技有限公司 Ash removal system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103185352A (en) * 2013-04-23 2013-07-03 台州英达机械科技有限公司 Ignition safety device
CN104331038A (en) * 2014-10-11 2015-02-04 大唐三门峡发电有限责任公司 Shock wave soot blower control system
CN104331038B (en) * 2014-10-11 2018-08-28 大唐三门峡发电有限责任公司 A kind of shock wave soot blower control system
CN106838951A (en) * 2017-04-10 2017-06-13 瓮福紫金化工股份有限公司 A kind of shock-wave ash blowing air distributing device
CN106838951B (en) * 2017-04-10 2023-07-18 瓮福紫金化工股份有限公司 Shock wave soot blowing air distribution device
CN111486463A (en) * 2020-04-23 2020-08-04 北京宸控环保科技有限公司 Ash removal system

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