一、 LMC系列低壓長袋脈沖袋式除塵器概述
An overview, LMC series long bag low pressure pulse bag filter
LMC系列低壓長袋脈沖袋式除塵器是我公司集十余年來的研究技術經驗和成果，綜合了目前國際上的長袋低壓脈沖除塵技術而向用戶推出的一種具有二十一世紀國際水平的長袋離線脈沖除塵技術產品。它不但具有脈沖噴吹除塵器的處理煙氣量大、清灰能力強、除塵效率高、排放濃度低等特點，還具有除塵設備穩定可靠、能耗低、占地面積小、維修維護容易等特點，特別適合處理大風量的各種工況煙氣，除塵效率≥99.98以上，排放濃度符合國家排放標準≤30mg/Nm3。
LMC series long bag low pressure pulse bag filter is set to more than 10 years of research experience and technical results, combining the current of the best international long bag low pressure pulse dust removal technology and the launch of the user of a 21st century international level offline long bag pulse dust removal technology products. It not only has the processing of pulse injection filter smoke gas and ash removal ability, high dust removal efficiency, low emission concentration, but also has stable and reliable dust removal equipment, low energy consumption, cover an area of an area small, easy maintenance etc, especially suitable for processing large volume of flue gas under various working conditions, more than 99.98 or higher dust removal efficiency, emission concentration meet the national discharge standard latest acuities were 30 mg/Nm3.
LMC系列長袋脈沖布袋除塵器已經在世界范圍內得到廣泛應用，在中國也已經大量推廣。其多方面的優點逐漸為眾多用戶所認識，受到廣泛的歡迎，已經為多個污染行業領域所采用，被國家環保列為實用技術項目，并被國家科委列為國家科技成果重點推廣項目。
LMC series has long bag pulse bag filter is widely used throughout the world, in China also has a large number of promotion. Its many advantages, for many users know gradually widely popular, and has been adapted for use by multiple pollution industries, best listed by the state environmental protection practical technology projects, and by the national science and technology commission as a national key scientific and technological achievements to promote projects.
二、 LMC長袋脈沖袋式除塵器工作原理
Second, the LMC long bag pulse bag filter working principle
LMC長袋脈沖袋式除塵器主要由上箱體、中箱體、灰斗、卸灰系統、噴吹系統和控制系統等幾部分組成，并采用下進氣分室煙氣凈化結構。含塵煙氣由進風口經中箱體下部進入灰斗；部分較大的塵粒由于慣性碰撞、自然沉降等作用直接落入布袋除塵器灰斗，其它塵粒隨氣流上升進入到袋式收塵器各個濾袋室。經除塵濾袋過濾后，塵粒被阻留在除塵布袋外側，凈化后的氣體由濾袋內部進入脈沖除塵器上箱體，再通過提升閥、出風口、通過引風機達標排入大氣。灰斗中的粉塵定時或連續由螺旋輸送機及剛性葉輪卸料器卸出。隨著過濾過程的不斷進行，除塵器濾袋外側所附積的粉塵不斷增加，從而導致袋布袋除塵器本身的阻力也逐漸升高。當阻力達到預先設定值時，脈沖清灰控制器發出信號，首先令一個布袋除塵器袋室的提升閥關閉以切斷該室的過濾氣流，然后打開電磁脈沖閥，壓縮空氣由氣源順序經氣包、脈沖閥、噴吹管上的噴嘴以極短的時間（ 0.065～0.085秒）向除塵濾袋噴射。壓縮空氣在箱內高速膨脹，使濾袋產生高頻振動變形，再加上逆氣流的作用，使濾袋外側所附塵餅變形脫落。在充分考慮了粉塵的沉降時間（保證所脫落的粉塵能夠有效落入灰斗）后，提升閥打開，此布袋除塵器袋室濾袋恢復到過濾狀態，而下一袋室則進入清灰狀態，如此直到袋室清灰完畢 為一個周期。 LMC長袋脈沖袋式除塵器是由多個獨立的室組成的，清灰時各室按順序分別進行，互不干擾，實現長期連續運行。上述清灰過程均由脈沖清灰控制器進行定時或定壓自動控制。
LMC long bag pulse bag filter is mainly composed of enclosure, the enclosure, ash hopper, discharge system, injection system and the control system of several parts, such as flue gas purification and adopt the inlet chamber structure. Protecting gas inlet by the cabinet bottom into the hopper; Part of the larger dust particles such as inertia collision, natural sedimentation effect directly into the bag precipitator hopper, other dust particles with the air currents to rise into the bag type dust collector filter bag chamber. After dust filter bag filter, dust particles be trapped dust bag outside, after purification, the gas inside the filter bag from the case on pulse dust catcher, valves, outlet, through ascension by induced draft fan standard atmosphere. The dust ash hopper periodic or continuous rigid impeller by screw conveyor and discharger discharge. Along with the ongoing filtering process, filter the dust filter bag outside of the attached product continues to increase, leading to the bag bag precipitator itself resistance also gradually rise. When the resistance reaches the preset values, pulse dust controller signal, first make a cloth bag dust collector bag chamber of the filtered air lift valve closed to cut off the room, and then open the electromagnetic pulse valve, compressed air by air order bullishness of package, pulse valve, spray nozzle on the torch in a very short time (0.065 ~ 0.085 seconds) to the dust filter bag. Compressed air in the high-speed expansion in the cabinet, make the filter bag produces high frequency vibration deformation, plus the role of reverse airflow, the filter bag the lateral deformation of dust cake off. In full consideration of dust settling time (dust can effectively guarantee the loss into ash hopper), lift valve is opened, the bag bag filter chamber filter bag back to the filter state, while the next bag room into dust, so until completion of the last of the ash removal For a cycle. LMC long bag pulse bag filter is composed of multiple independent room, soot cleaning the room when the order separately, noninterference, achieve long-term continuous operation. The soot cleaning process are conducted by pulse wave sootblower controller timing or constant pressure automatic control.
二、 LMC長袋脈沖袋式除塵器的基本結構
Three, the basic structure of LMC long bag pulse bag filter
LMC長袋脈沖袋式除塵器的主體結構由箱體、袋室、灰斗、進出風口四大部分組成。并配有基礎支柱、爬梯、欄桿、檢修門、壓縮空氣氣路系統、清灰控制系統、卸灰系統等等，并可根據用戶要求選配*的除塵設備運行監測系統。
LMC long bag pulse bag filter is the main structure by box, bag room, ash hopper, four major part into the outlet. And equipped with fundamental pillars, gym, railings, access door, gas circuit system of compressed air, dust control system, discharge system, etc., and can according to user's request matching advanced dust removal equipment operation monitoring system.
三、 LMC長袋脈沖袋式除塵器的主要性能特點
Four, LMC main performance characteristics of long bag pulse bag filter
☆高可靠性設計，保證袋式除塵器隨主機長期穩定運行，維護工作極少；
High reliability design, guarantee the bag filter with host long-term stable operation, little maintenance work
☆ 高適用性設計，袋式除塵器可適應含塵氣體性質的大范圍波動，并可根據用戶情況做適應性非標設計；
High applicability, bag filter can be adapted to wide fluctuations in dusty gas properties, and can according to user's adaptability for non-standard design;
☆ 特殊的結構設計加上嚴格的濾料及零部件選用，可滿足極為嚴格的環保要求，袋除塵器的排放可確保低于30mg/Nm 3 ；
The structure design of a special being combined with strict fabric components selection, can meet the strict requirements of environmental protection, emissions of bag filter to ensure less than 30 mg/Nm 3;
☆優化的袋式收塵器進出風道設計，有利于均勻的氣流分布；
The bag type dust collector a optimization being in and out of the air duct design, is beneficial to uniform flow distribution;
☆防漏風設計，保證袋除塵器的漏風率降至（<3%）；
Air leakage prevention design, to ensure that the bag filter to minimize air leakage rate (< 3%).
☆全鋼分體結構設計，便于布袋除塵設備的運輸及安裝，并保證布袋除塵設備的制造精度；
All steel structure design of fission, facilitate bag dust removal equipment transportation and installation, and guarantee the manufacturing accuracy of bag dust removal equipment;
☆分室脈沖三狀態清灰技術，保證脈沖布袋除塵器的清灰強度及效果；
Room pulse three state ash removal technology, to ensure the best the slag discharge intensity and the effect of pulse bag filter;
☆ 脈沖布袋 除塵器停機自清系統，確保布袋除塵器始終處于工作狀態；
A pulse bag is being Dust catcher self-cleaning system downtime, ensure that bag precipitator is always in the best working state;
☆ 采用袋式收塵器定阻和定時聯合清灰方式及可編程控制系統（PLC）；
Do the bag type dust collector on resistance and timing joint ash removal mode and programmable control system (PLC);
☆布袋除塵器配有自動超溫報警和緊急降溫控制；
Bag precipitator being is equipped with automatic overtemperature alarm and emergency cooling control;
☆袋式收塵器的非線性均流靜壓噴管，確保噴吹均勻;
A bag type dust collector being unique nonlinear static pressure nozzle flow, ensure uniform injection;
☆全套布袋除塵器除塵系統可選獨立卸灰控制系統;
A full set of bag filter dust removal system being optional independent discharge control system;
☆提供集中控制（DSC遠程控制）和機旁控制兩種選擇；
Do provide centralized control (DSC) remote control and local control two choices;
☆長壽命設計，主體除塵設備按照使用壽命15年以上進行設計制造；
Long life design, the service life of the main dust removal equipment, in accordance with the design and manufacture more than 15 years;
☆低運行費用，優化的工藝參數設計，有利于袋除塵器低阻高效穩定運行，降低除塵系統能耗，同時有效減輕了除塵濾袋的損耗及維護工作；
Low operating cost, optimize the process parameters design, help the bag filter low resistance and stable operation, reduce energy consumption of dust removal system, at the same time, effectively reduce the loss of dust filter bag and maintenance work;
☆采用高品質零部件，提高布袋除塵設備運行可靠性，減少維護工作；
Using high quality components, improving the reliability of bag dust removal equipment, reduce maintenance work;
☆全部采用高品質的濾袋及附件，濾袋平均壽命一般超過18個月；
Do all adopt the high quality of filter bag and accessories, filter bag life expectancy more than 18 months;
☆脈沖除塵器采用特殊灰斗設計，粉塵卸出無障礙；
Special ash hopper design used by pulse dust collector, dust discharge accessibility;
☆LMC低壓長袋脈沖布袋除塵器標準化設計，可減少用戶備品備件的儲存量；
LMC being standardized design, long bag low pressure pulse bag filter can reduce the user spare parts storage;
五、LMC低壓長袋脈沖布袋除塵器選型
Five, the LMC long bag low pressure pulse bag precipitator
1.型號說明
1. The model shows that
2.選型參數及選型原則
The selection of parameters and selection principle
（1） 收塵器的主要技術參數為風量、氣體溫度、含塵濃度與濕度。根據工藝設計的風量、氣體 溫度、含塵濃度的數值，按略小于技術性能表中的數值為原則，其相對的收塵器型號，即為所 需要的收塵器型號，采用的濾料則根據入口濃度、氣體溫度、濕含量確定。
(1) as the main technical parameters of the dust collector for air volume, gas temperature, concentration of dust and humidity. According to the process design of air volume, gas temperature, the highest value of dust concentration, slightly less than technical performance in the table according to the numerical value for the principle, the relative number of dust collecting ware, is the required number of dust collecting ware, the filter material is according to the inlet concentration, gas temperature, moisture content determination.
（2） 壓縮空氣耗量欄中，所提出的耗氣量為該型號設備的耗氣量。
(2) the compressed air consumption of bar, the proposed model for the gas consumption equipment's biggest gas consumption.
（3） 當布袋除塵系統負壓超過6000Pa時，如選用時，需要事先說明，以便加強殼體強度和剛度。
(3) when the negative pressure bag dust removal system of more than 6000 pa, if choose, need instructions in advance, in order to strengthen the shell strength and stiffness.
（4） 可根據工藝需要設置收塵器灰斗卸料系統。
(4) can be set according to the technology of dust collector hopper discharge system.
六.適用范圍
6. Scope of application
煉鋼電爐、鍋爐、電石爐、高爐煤氣凈化、煤粉制備和氣力輸送、瀝青混凝土生產、碳黑、建材、耐火、化工、鋁電解、鋁鋅冶煉等領域。
Steelmaking furnace, boiler, calcium carbide furnace, blast furnace gas purification, coal powder preparation and pneumatic conveying, the asphalt concrete production, carbon black, building materials, refractory, chemical industry, aluminum electrolytic zinc smelting, aluminum, etc.
