CN204380450U - A kind of thermal power plant defeated coal auto spraying dust arrester - Google Patents
A kind of thermal power plant defeated coal auto spraying dust arrester Download PDFInfo
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- CN204380450U CN204380450U CN201420773388.4U CN201420773388U CN204380450U CN 204380450 U CN204380450 U CN 204380450U CN 201420773388 U CN201420773388 U CN 201420773388U CN 204380450 U CN204380450 U CN 204380450U
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Abstract
The utility model have passed a kind of thermal power plant defeated coal auto spraying dust arrester, belongs to thermal power plant's defeated coal skin technical field of dust removal equipment.Comprise filter, manual modulation valve, magnetic valve, atomizer, spray local control box, coal current sensor composition, spray local control box accesses in defeated coal stored program controlled, can automatically open spray dust remover solve the severe problem of production environment that on production line, defeated coal fly dust causes during coal conveyer belt running according to coal conveyer belt defeated coal situation.By use of the present utility model, fully effectively suppress a large amount of dust pollutions produced in production process, reduce production equipment potential safety hazard, environmental protection and economy, achieves energy-saving and emission-reduction, and the utility model can be widely applied in similar production occasion.
Description
Technical field
The utility model belongs to thermal power plant's defeated coal skin technical field of dust removal equipment, is specifically related to a kind of thermal power plant's defeated coal auto spraying dust arrester for dedusting in defeated coal stored program controlled.
Background technology
Defeated coal stored program controlled is as thermal power plant's important step, according to coal conveyer belt technological requirement, coal charge (block powder compound) gets coal charge by the bucket wheel machine being arranged on coal yard or the feeder that is arranged on groove of unloading coal, be sent to subordinate's belt, then belt finally delivers to coal store step by step, need during this through technique have: deironing (removing material in iron wire, the irony things such as screw), (coal being less than sieve aperture in raw material falls within screen(ing) machine bottom device to sieve material, the coal being greater than sieve aperture travels forward and is admitted to coal breaker on defeated compass screen surface), (material met the demands after coarse coal or the fragmentation of bulk impurity is fallen into bottom device by screening hole to particle by coal breaker, foreign material that can not be broken then enter rear portion collector, by staff's periodic cleaning), weigh and (be usually arranged on higher level's belt of coal storage clad belt, for measuring each material conveying amount), plough coal, coal is divided to put in storage.Through getting the process such as charging, conveying, transhipment, screening and fragmentation, a large amount of coal dust can be produced therebetween, cause the severe contamination of power plant's atmospheric environment.Elegant aerial free dust particle can have a strong impact on operation, the health of breakdown maintenance personnel, safeguards and brings many difficulties, bring many potential safety hazards to upper product to on-site sanitation situation.According to the investigation to domestic coal fired thermal power plant, a few class such as cleaner many employings cyclone dust collectors, wet type wet dust collector, electric cleaner sack cleaner of current coal fired thermal power plant coal handling system, these cleaners maintenance workload in actual motion is large, the actual devoting rate of deduster is very low, poor to the treating flour dust effect of coal handling system.According to statistics, the ratio applying cloth bag electric cleaner and wet type wet dust collector in current domestic Coal Transportation System reaches 80%, but runs devoting rate still less than 50%.Simultaneously for thermal power plant, depositing dust facility belongs to auxiliary device, not easily causes the attention of related personnel, often occurs that but unit has been put into serial production the defeated coal dust falling system phenomenon that but cannot normally drop into for a long time.
Utility model content
Technical problem to be solved in the utility model provides a kind of during coal conveyer belt running, can automatically open thermal power plant's defeated coal auto spraying dust arrester that spray dust remover solves the severe problem of production environment that on production line, defeated coal fly dust causes according to coal conveyer belt defeated coal situation for shortcoming of the prior art.
Following technical scheme is adopted for solving technical problem of the present utility model:
A kind of thermal power plant auto spraying dust arrester, comprise filter, described filter connects water supply installation, described filter connected electromagnetic valve, described magnetic valve connects atomizer, and described magnetic valve connects spray local control box, and described spray local control box connects defeated coal stored program controlled, described defeated coal stored program controlled connects coal current sensor, and described coal current sensor is arranged on coal conveyer belt.
Between described filter and magnetic valve, manual modulation valve is set.
Described atomizer nozzle bore is 0.05mm, and spray angle is 0-120 degree, spray cone.
The utility model adopts the coal current sensor signal on spray local control box and coal conveyer belt to link to realize automatically opening spray dust remover according to coal conveyer belt defeated coal situation during coal conveyer belt operates and solves the severe problem of production environment that on production line, defeated coal fly dust causes.Spray local control box combines with the defeated coal stored program controlled of the coal current sensor signal on identifiable design coal conveyer belt, not only dust removing effects and devoting rate high, and operation maintenance is easy, package unit operation achieves automation, according to the chain spray dust remover automatic start-stop of coal conveyer belt coal stream situation, effectively improve effect of spray dust remover, greatly saved cleaning cost, alleviate operations staff's labour intensity.This system can be widely used in belt-like airborne dust system.
Accompanying drawing explanation
Fig. 1 is connection block diagram of the present utility model;
In figure: 1, filter, 2, manual modulation valve, 3, magnetic valve, 4, atomizer, 5, spray local control box, 6, coal current sensor, 7, defeated coal stored program controlled.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, a kind of thermal power plant defeated coal auto spraying dust arrester, comprises filter 1, described filter 1 connects water supply installation, filter 1 connected electromagnetic valve 3, and magnetic valve 3 connects atomizer 4, atomizer nozzle bore is 0.05mm, and spray angle is 0-120 degree, spray cone.Pipeline between filter 1 and magnetic valve 3 is installed manual modulation valve 2.Magnetic valve 4 connects spray local control box 5, and spray local control box 5 connects defeated coal stored program controlled 7, and defeated coal stored program controlled 7 connects coal current sensor 6, and coal current sensor 6 is arranged on coal conveyer belt.
During utility model works, when in coal conveyer belt haul process, when coal current sensor 6 detect coal conveyer belt has material time, coal current sensor 6 transfers signals to defeated coal stored program controlled 7, defeated coal stored program controlled 7 automatic decision time delay some seconds (can adjust according to actual industrial and mineral) send opens spray system instruction, make the action of spray local control box 5 Controlling solenoid valve 3, atomizer 4 starts spray, thus due to the fine solid particle of coal conveyer belt operational shock generation after reloading point and the dedusting of broken coal equipment can be eliminated, farthest reduce the dust pollution that defeated seam road produces, when coal current sensor 6 can't detect coal conveyer belt has material time, defeated coal stored program controlled 7 system then automatic decision time delay some seconds (can adjust according to actual industrial and mineral) sends and closes spray system instruction, make the action of spray local control box 5 Controlling solenoid valve 3, atomizer 4 stops spray, do like this and on the one hand the airborne dust of material is fully suppressed in effective range, avoid on the other hand because of fracturing material or uneven time the frequent triggering signal of material flow device that causes and then the frequent On/Off spray system caused, automatic sprinkler fire-extinguishing system is in metastable effective industrial and mineral, thus the effectiveness of more excellent its dedusting of performance.
Compared to other dedusting kind equipments, this system has simply, easy care, the feature such as easy to operate, has manual, semi-automatic, full-automatic three kinds of control modes.Can by operations staff's independence start stop system, or under automatic condition, remove the spray in somewhere and the normal operation of not influential system.
Above-described is only the preferred embodiments of the present invention, it should be pointed out that for the person of ordinary skill of the art under technology enlightenment provided by the present invention, can also make other equivalent modifications and improvement, also should be considered as protection scope of the present invention.
Claims (3)
1. thermal power plant's defeated coal auto spraying dust arrester, it is characterized in that: comprise spray dust remover, described spray dust remover comprises filter (1), described filter (1) connects water supply installation, described filter (1) connected electromagnetic valve (3), described magnetic valve (3) connects atomizer (4), described magnetic valve (4) connects spray local control box (5), described spray local control box (5) connects defeated coal stored program controlled (7), described defeated coal stored program controlled (7) connects coal current sensor (6), described coal current sensor (6) is arranged on coal conveyer belt.
2. a kind of thermal power plant according to claim 1 defeated coal auto spraying dust arrester, is characterized in that: arrange manual modulation valve (2) between described filter (1) and magnetic valve (3).
3. a kind of thermal power plant according to claim 1 and 2 defeated coal auto spraying dust arrester, it is characterized in that: described atomizer (4) nozzle bore is 0.05mm, spray angle is 0-120 degree, spray cone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773388.4U CN204380450U (en) | 2014-12-10 | 2014-12-10 | A kind of thermal power plant defeated coal auto spraying dust arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420773388.4U CN204380450U (en) | 2014-12-10 | 2014-12-10 | A kind of thermal power plant defeated coal auto spraying dust arrester |
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| Publication Number | Publication Date |
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| CN204380450U true CN204380450U (en) | 2015-06-10 |
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| CN201420773388.4U Active CN204380450U (en) | 2014-12-10 | 2014-12-10 | A kind of thermal power plant defeated coal auto spraying dust arrester |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105966934A (en) * | 2016-07-27 | 2016-09-28 | 杨炳 | High-safety coal conveying system in power station |
| CN107524110A (en) * | 2016-06-21 | 2017-12-29 | 中国十七冶集团有限公司 | Roadbed auto spraying depositing dust construction of prevention work multi-function device is deep-cut in a kind of city |
| CN110371717A (en) * | 2019-07-24 | 2019-10-25 | 河南理工大学 | A kind of rubber conveyer top coal stream touches formula hydraulic atomizing device |
-
2014
- 2014-12-10 CN CN201420773388.4U patent/CN204380450U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107524110A (en) * | 2016-06-21 | 2017-12-29 | 中国十七冶集团有限公司 | Roadbed auto spraying depositing dust construction of prevention work multi-function device is deep-cut in a kind of city |
| CN105966934A (en) * | 2016-07-27 | 2016-09-28 | 杨炳 | High-safety coal conveying system in power station |
| CN110371717A (en) * | 2019-07-24 | 2019-10-25 | 河南理工大学 | A kind of rubber conveyer top coal stream touches formula hydraulic atomizing device |
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