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袋水泥装车机除尘设计新理念与新技术解析

文章发布: 发表时间: 2017-06-26 10:10:17

目前袋水泥装车机无序扬尘分散一直是困惑水泥职业到达“车间空气中呼吸性水泥粉尘卫生标准”的全国性技能难题。这就请求供应商依据水泥职业袋水泥装车机现场作业的技术状况,安排科技人员技能创新,精心研讨开发袋水泥装车机除尘设备,破解袋水泥装车机收尘除尘的难题。本文将先容袋水泥装车机除尘规划新理念与新技能解析及除尘器技能参数。
At present, the random dust dispersion of bag cement loading machine has been a national technical problem puzzling the cement profession to the hygienic standard of respirable cement dust in the air of workshop. This requests the supplier according to technical conditions of cement bag occupation cement loading machine field operations, arranging skills innovation, meticulous research and development bag cement loading machine dust removal equipment, to solve the problems in the dust bag cement loading machine. This paper introduces the new concept and new skill analysis of dust collection planning for bag cement loader and the technical parameters of dust catcher.
1、除尘规划的新理念与新技能
1, the new concept and new skills of dust removal planning
袋水泥装车机的除尘设备规划应遵循以下准则:
The planning of dust removal equipment for bag cement loader shall follow the following guidelines:
(1)袋水泥装车机作业时对无序分散扬尘要操控在必定的空间层面上,可移动式吸尘罩在满意搜集扬尘,避免扬尘进一步分散到空气中的一起,还要确保扬尘的搜集只能操控在操作工人腰部以下,加强操控扬尘的空间层面,给操作工人发明一个杰出健康的作业呼吸环境空间。
(1) during the operation of bag cement loading machine to control the disorderly scattered dust in the space level must be on the removable dust cover to collect dust in the dust, to avoid further dispersed into the air together, but also to ensure that the collected dust can only operate in operation workers to strengthen the level of waist, space control dust, to workers invented a healthy working environment breathing space outstanding.
(2)水泥扬尘属冷态粉尘空气气体,而冷态空气再加上水泥粉尘的分散混合,比重密度增大,依据水泥粉尘空气的特殊性,请求吸尘罩规划时要有足够大的负压,请求吸尘罩口间隔尘源800mm之间。
(2) the cement dust is cold gas and dust in the air, the cold air plus cement dust dispersion mixing proportion, density increases, according to the particularity of cement dust in the air, dust cover request planning to have a large enough negative pressure between the suction hood mouth dust source request interval 800mm.
(3)水泥粉尘吸尘罩规划要有必定的覆盖面,要力求适用于多种装袋水泥的运输车型,并能依据车型进行自动调整。
(3) cement dust hood planning must have certain coverage, we should strive to apply to a variety of bagging cement transport models, and can be adjusted automatically according to type.
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(4)袋水泥装车机的吸尘和输尘体系要能满意出产技术请求,要随出产技术前后,上下移动,最主要的还要满意安全出产的请求。
(4) the dust absorption and dust handling system of the bag cement loader should be satisfied with the technical requirements of production, and should be moved up and down with the production technology. The most important thing is to satisfy the request of safe production.

2、袋水泥装车机除尘体系规划方案
2, bag cement loading machine dust removal system planning
(1)粉尘吸尘罩的规划
(1) planning of dust suction hood;
吸尘罩是袋水泥装车机除尘体系的关键设备,它的规划合理与否直接关系到除尘功率问题。主张选用可移动式、可弹性矩型下吸尘式规划,将主吸尘罩口规划为2.4mX0.4m,侧吸尘罩口1.1mX0.3m,构成一个门型吸尘构造,罩口截面积在1.4平方米,罩口规划吸尘气流速度平均在2.5m/s,这种下吸尘式吸尘罩离尘源间隔对比近,尘源一发生及时收尘,削减和杜绝无安排粉尘分散。吸尘罩内规划电动弹性装置,操控吸尘罩在长度2m-2.4m内依据装袋水泥货运轿车宽度调整。吸尘罩内设多处分流装置,以进步吸尘才能和避免粉尘空气气流的涡流和积尘规划。为确保岗位的安全出产,遵守袋水泥装车机安全操作规程的请求,吸尘罩独自设有安全吊装设备,可完成与皮带机作业同步运转。
Dust suction hood is the key equipment of dust removal system of bag cement loader, and its planning is reasonable and directly related to the problem of dust removal power. The idea of transportable, planning elastic rectangular dust, dust cover mouth will be the main planning for 2.4mX0.4m, side suction hood 1.1mX0.3m, constitute a door type dust hood structure, the cross-sectional area of 1.4 square meters, the average speed of air flow hood planning at 2.5m/s, the dust suction type dust hood the dust source correlation interval, a dust collecting dust source to cut, and stop without arrangement of dust dispersion. An electric flexible device is arranged in the dust cover to control the dust cover in the length 2m-2.4m, and is adjusted according to the width of the bagged cement freight car. A plurality of diffluence devices are arranged in the dust cover, so as to improve the dust absorption ability and avoid the eddy current and dust accumulation planning of the dust air flow. In order to ensure the safe production of the job, comply with the requirements of the safe operation procedure of the bag cement loader, the dust suction cover is equipped with a safety hoisting device alone, and can operate synchronously with the belt conveyor operation.
(2)可移动吸尘罩上下升降的规划
(2) the plan of lifting and lowering the removable dust hood
袋水泥装车机作业时依据装车进度,运料歪斜胶带机是需要视装车叠包情况随时提高或降低的,可移动吸尘罩升降体系规划选用双钢绳电动葫芦吊挂,电动葫芦装置在上部移动皮带机尾部的机车上,与皮带机前后运转。如何处理可移动吸尘罩上下升降规划,在歪斜胶带机架上设置两个衔接臂与可移动吸尘罩平衡吊架相活衔接,平衡吊架由电动葫芦吊挂,歪斜胶带机吊装葫芦与可移动吸尘罩吊装葫芦均选用不一样转速,并规划为同步操控和独自调理两种形式,可移动吸尘罩上部排气管与PU弹性管衔接,从而到达可移动吸尘罩与胶带机同步运转的意图。
Bag of cement loading machine operation according to the loading schedule, material transport belt machine is needed as the skew loading stack package at any time to increase or decrease the movable dust hood lifting system planning and selection of double rope electric hoist electric hoist device in the rear suspension, the upper part of the moving belt on the locomotive, and belt machine before and after operation. How to deal with the movable dust cover up and down in the skew tape planning, arranged on the two link arm and the movable dust hood balance hanger is live by cohesion, balance hanger hanging electric hoist, lifting hoist and skew tape machine removable dust cover are made of a kind of lifting hoist speed and synchronous control and planning conditioning alone two forms, removable suction hood exhaust pipe and the upper PU elastic pipe connection, to reach mobile suction hood intention synchronously rotates with the tape machine.
(3)输尘气管路的可移动规划
(3) movable planning of dust conveying pipeline
依据袋水泥装车机出产技术请求,需要胶带机前后运转,规划在移动胶带机车的尾部装置一台固定收尘集箱,集箱一侧出口衔接500mmX500mm可弹性移动管道,通常可移动弹性8m长度,把可移动吸尘罩搜集的粉尘气体经过此移动管路输送到固定管路,再由固定管路将粉尘气体输送到除尘器内进行净化处理,移动管路内部装置多个滚轮轴承,每节移动管路上都设有法兰油浸羊毛毡做为密封,可满意袋水泥装车机前后移动运转的请求。
On the basis of bag cement loading machine production technology request, need to tape machine before and after the operation, the tail device in the mobile belt of locomotive planning a fixed dust collecting box, box side of the exit link 500mmX500mm flexible mobile pipeline, usually removable elastic 8m length, the removable dust cover dust gas collected through the pipeline to move the fixed line, then fixed by the pipeline will transport the gas to dust collector purification, internal pipeline device of mobile multiple roller bearings, each mobile pipeline flanges are arranged for sealing oil blankets sheep can be satisfied, before and after the bag cement loading machine mobile operation request.
(4)除尘体系的规划
(4) the planning of dust removal system;
经核算,除尘器技能参数如下:
After calculation, the dust catcher's technical parameters are as follows:
处理冈量L=2.5X1.4X3600
Processing ridge quantity L=2.5X1.4X3600
L=12600M3/n
L=12600M3/n
设备全压4500pa
Equipment full pressure 4500PA
冈机选用9-19N-10D 冈量15455M3/n 冈压4780pa
The ridge machine selects 9-19N-10D ridge volume, 15455M3/n ridge pressure 4780pa
挑选用电机37kW
Selection of motor 37kW
选用LMPT型滤茼脉冲喷吹除尘器、具有以下特色:
Use the LMPT type filter are pulse jet dust collector, has the following characteristics:
1)设备小型化,设备体积小,节约钢耗,一个滤茼的过滤面积相当于同标准3个滤袋的过滤面积,PLC自动操控技能,方便用户运转办理,节能办理。
1) equipment miniaturization, small volume, save steel consumption, filtering area of a filter are equivalent to the same standard 3 bag filtration area, PLC automatic control skills, convenient operation and management, energy saving management.
2)设备高效化,滤茼的滤材为聚酯长纤维,经PTFE热性覆膜处理,属优异的表面过滤资料,排放浓度能够到达10mg/m3以下,是处理PM2.5最高效化设备。
2) the equipment efficiency, the filter filter are polyester fiber, coated with PTFE heat treatment, the surface is excellent filter data, emission concentration can reach below 10mg/m3, PM2.5 is the most efficient processing equipment.
3)设备节能化,除尘器运转压力丢失对比低800-1200pa,而且压力丢失对比平稳,除尘器脉冲喷吸清灰为低压喷吹,对保护滤料延伸运用周期起到决定性作用,而且节约电能和紧缩喷吹气体。
3) energy-saving equipment, dust collector operation pressure loss and pressure loss of low contrast 800-1200pa, comparative stable, pulse jet cleaning dust suction for low pressure injection, use cycle plays a decisive role on the protection of media extension, but also save energy and tight gas blowing.
4)设备领先性,领先的脉冲喷吹体系规划,喷吹部件制造精巧,喷嘴能够引射数倍于紧缩空气的气流一起参与脉冲喷吹清灰,充分确保脉冲喷吹作用。
4) equipment leading, leading pulse jet system planning, jet parts manufacturing sophisticated, nozzle can be injected several times the contraction of air flow, together with the pulse jet soot cleaning, fully ensure the pulse blowing action.
结语
epilogue
袋水泥装车机除尘体系装置自2015年在冀东水泥集团多条出产线实际运转,收到了非常好的管理作用,证实此除尘体系运转安全可靠,能将袋水泥装车叠包冲去的无序粉尘搜集达90%以上,有效地改变了袋水泥装车现场的作业环境,完成了袋水泥装车的清结出产,节能减排。该规划目前已获四项国家专利。
Since 2015 in Jidong Cement Group multi product line operation device bag cement loading machine dust removal system, received a very good management, confirmed that the dust removal system is safe and reliable in operation, the disorder of the dust bag cement loading stack package to collect more than 90%, effectively change the bag cement loading field work environment finished cleaning, loading bags of cement production, energy saving and emission reduction. The program has now won four national patents.

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