CN103752128A - Demercuration device and electrostatic fabric filter provided with demercuration device - Google Patents
Demercuration device and electrostatic fabric filter provided with demercuration device Download PDFInfo
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- CN103752128A CN103752128A CN201410047661.XA CN201410047661A CN103752128A CN 103752128 A CN103752128 A CN 103752128A CN 201410047661 A CN201410047661 A CN 201410047661A CN 103752128 A CN103752128 A CN 103752128A
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Abstract
The invention discloses a demercuration device which is arranged at the downstream of a dedusting area of a deduster. The demercuration device comprises a container for holding an adsorbing agent, a plurality of smoke inlet holes are formed on a side wall plate of the container vertical to the flow direction of smoke, and a plurality of smoke outlet holes are formed on the other side wall plate opposite to the smoke inlet holes. Through the above arrangement, the structure of the demercuration device is optimized, the problem of secondary pollution of a demercuration adsorbing agent to the dust is solved, the adsorbing agent is greatly saved, the smoke demercuration quality and efficiency are improved, and a reliable guarantee is provided for the development of the modern industrial economy towards energy conservation and environment protection. On the basis, the invention further provides an electrostatic fabric filter equipped with the demercuration device.
Description
Technical field
The present invention relates to Environmental-protecting dust-removing technical field, particularly a kind of mercury removal device.In addition, the invention still further relates to a kind of electric-bag complex dust collector with this mercury removal device.
Background technology
At present, developing rapidly of industry caused certain pollution to environment, and the pollution of especially global air is day by day serious.The fume emission of thermal power plant becomes one of main source of atmospheric pollution, consequent micro-mercury has caused serious pollution to air, as everyone knows, mercury element has toxicity, long-term suck mercury vapour or mercury compound dust can produce serious harm to human body, especially the nervous system of human body is had to serious infringement.Therefore,, when the flue gas of discharge is carried out to dedusting, urgently for the separation of mercury in flue gas element, study.
In the face of the problems referred to above, China has formally issued < < heavy metal pollution integrated control " 12 " planning > >, simultaneously, coal-burning power plant's Mercury In The Air pollutes control pilot work and formally starts, and has stipulated the emission limit of mercury and mercuric compounds in < < fossil-fuel power plant atmospheric pollutant emission standard > > (GB13223-2011).Therefore, developmental research is efficient, the demercuration technology of energy-conserving and environment-protective, and it is day by day urgent to be applied to Environmental-protecting dust-removing technical field.
In prior art, extensively adopting the mercury removal device that sprays adsorbent, the mercury in flue gas is adsorbed to disengaging, there is certain defect in this kind of mode.On the one hand, by the mode of spraying adsorbent, will sneak in the dust of recovery by adsorbent, cause the pollution of dust, cannot realize the secondary utilization of dust, waste a large amount of resources; On the other hand, when a large amount of flue gases of high concentration are carried out to demercuration processing, existing mode need consume a large amount of mercury removal agents, cause demercuration cost seriously to increase, affected industrial economic benefit, and, demercuration efficiency and demercuration quality are lower, cannot meet the requirement of the higher standard to mercury in flue gas discharge.
In view of the above problems, need design badly a kind of novel mercury removal device is provided, solve the problem of demercuration process to dust pollution, improve quality and efficiency to flue gas demercuration, to promote deduster, apply the feature of environmental protection and the economy meaning brought.
Summary of the invention
For the defect of above-mentioned existence, the technical problem to be solved in the present invention is to provide a kind of mercury removal device, by the structural design to this mercury removal device, can effectively eliminate the pollution of demercuration adsorbent to dust in demercuration process, greatly improve quality and efficiency to flue gas demercuration, and can save demercuration adsorbent, meet the economic trend of energy-conserving and environment-protective.On this basis, the present invention also provides a kind of electric-bag complex dust collector with this mercury removal device.
Mercury removal device provided by the invention, removes the mercury of flue gas for deduster, this mercury removal device is arranged at the downstream in the dedusting region in described deduster, comprises a container for accommodating adsorbent; One sidewall paneling of the vertical flue gas flow direction of described container is offered multiple flue gas inlet holes, and the opposite side wallboard relative with described flue gas inlet hole offered multiple flue gases and portalled.
Preferably, in described container, be provided with and fill the adsorbent bag of putting adsorbent.
Preferably, the size that described flue gas inlet hole and described flue gas portal is all less than the size of described adsorbent bag.
Preferably, described container is offered for described adsorbent bag and is filled with the charging aperture of described container and discharges the discharging opening of described container, and the vertical flue gas flow direction of opening direction of described charging aperture and described discharging opening is arranged at respectively the two opposite side walls of described container.
Preferably, described flue gas inlet hole is identical with the aperture size that described flue gas portals, and be distributed in respectively corresponding described wall of a container plate, and aperture center is interlaced.
Preferably, described charging aperture and described discharging opening all arrange the valve of carrying described adsorbent.
The present invention also provides a kind of electric-bag complex dust collector, comprises electric field region, filter bag district, mercury removal device and exhaust pass, and described mercury removal device is above-described mercury removal device.
Preferably, described mercury removal device is arranged in described exhaust pass, is tightly connected with the perisporium of described exhaust pass.
Preferably, two flue sidewalls of described exhaust pass are all offered the through hole for described mercury removal device plug-in mounting, and described charging aperture and described discharging opening all expose to described flue sidewall.
Preferably, described exhaust pass multiple described mercury removal devices that are connected, the installing space between two adjacent described mercury removal devices successively decreases along the flue gas flow direction in described exhaust pass.
Compared with prior art, the present invention is based on that deduster is efficient, the development trend of energy-conserving and environment-protective requirement, look for another way a kind of mercury removal device of eliminating dust secondary pollution and high efficiency demercuration is provided.This mercury removal device is arranged at the downstream in dedusting region in deduster, comprises a container for accommodating adsorbent; One sidewall paneling of the vertical flue gas flow direction of this container is offered multiple flue gas inlet holes, and when mercury removal device carries out demercuration work, the flue gas after dust removal and filtration is flowed in container by this flue gas inlet hole, and fully contacts with the demercuration adsorbent in this container; Then, through the abundant disengaging suction-operated of adsorbent to mercury in flue gas, the clean flue gas of acquisition is by the discharge of portalling of multiple flue gases of offering, and this flue gas portals and is arranged at the opposite side wallboard relative with flue gas inlet hole.
Obviously, by above-mentioned setting, can effectively reduce contacting of dust and adsorbent in mercury removal device, avoid the secondary pollution of dust, and then improve the utilization rate of dust; And, can effectively eliminate in prior art and spray a large amount of consumption of mercury removal device to adsorbent, greatly improved utilization rate and the adsorption effect of demercuration adsorbent, more can meet the demand for development trend of modern economy energy-conserving and environment-protective.
In preferred version of the present invention, this container is provided with and fills the adsorbent bag of putting adsorbent, that is to say, demercuration adsorbent is placed in container by being packed into the form of adsorbent bag, and flue gas contacts with adsorbent through adsorbent bag, thereby removes the mercury in flue gas.So arrange, can more effectively reduce the use consumption of adsorbent, and can make flue gas fully contact with adsorbent, improve demercuration effect; In addition, the filling of the demercuration adsorbent of being more convenient for and discharge, and then, improve the operating efficiency that adsorbent is changed.
In another preferred version of the present invention, the size that flue gas inlet hole and flue gas portal is all less than the size of adsorbent bag, can guarantee that adsorbent bag is full of internal tank, avoids flue gas to flow through mercury removal device by the gap of adsorbent parlor; Obviously, the flue gas that can make to flow through mercury removal device all with through adsorbent bag, and fully contact with the adsorbent in adsorbent bag, effectively complete the mercury departing from flue gas, and further improve demercuration efficiency and effect provides reliable guarantee for this mercury removal device.
In another preferred version of the present invention, container is offered for adsorbent bag and is filled with charging aperture and the discharging opening of container, thereby can be convenient to the operation that is filled with and discharges of adsorbent bag, is beneficial to the replacing of adsorbent, guarantees the in real time effective demercuration performance of adsorbent.Meanwhile, this charging aperture and discharging opening are arranged at respectively the two opposite side walls of container, the vertical flue gas circulating direction of its opening direction; That is to say, charging aperture and discharging opening do not interfere with each other setting, when changing adsorbent bag, when can realize the adsorbent bag after discharge reaches adsorbent requirement, are filled with the adsorbent bag of renewal, to increase work efficiency by charging aperture.
Accompanying drawing explanation
Fig. 1 is the structural representation of mercury removal device described in the specific embodiment;
Fig. 2 is the structural representation that shown in Fig. 1, mercury removal device is arranged at electric-bag complex dust collector;
Fig. 3 is that A-A shown in Fig. 2 is to the schematic diagram of electric-bag complex dust collector structure;
Fig. 4 is the top view of structure shown in Fig. 2.
In Fig. 1 to Fig. 4:
Mercury removal device 1, exhaust pass 2, electric field region 3, filter bag district 4, air-purifying chamber 5, ash bucket 6;
Installing space L, flue gas flow direction F.
The specific embodiment
Based on the mercury removal device of deduster in prior art, core of the present invention is to be optimized design for the mode of its structure and demercuration absorption, a kind of mercury removal device simple in structure is provided, and solve the problem of the secondary pollution of demercuration adsorbent to dust, reduce the consumption of demercuration adsorbent, improve quality and the efficiency of flue gas demercuration, and then, significantly reduce industrial cost, meet the development trend of modern economy energy-conserving and environment-protective.
In order to make those skilled in the art person understand better the present invention program, below in conjunction with Figure of description, illustrate present embodiment.
Refer to Fig. 1 and Fig. 2, wherein, Fig. 1 is the structural representation of mercury removal device described in the specific embodiment; Fig. 2 is the structural representation that shown in Fig. 1, mercury removal device is arranged at electric-bag complex dust collector.
As shown in Figure 1, in this programme, mercury removal device 1 removes the mercury of flue gas for deduster, further purifying smoke, this mercury removal device 1 is arranged in the exhaust pass 2 of deduster, i.e. the downstream in dedusting region is beneficial to carry out demercuration processing after the dust in abundant purifying smoke; In addition, this mercury removal device 1 comprises a container 11 for accommodating adsorbent, and, a sidewall paneling of the vertical flue gas flow direction F of this container 11 is offered multiple flue gas inlet holes 111, the opposite side wallboard relative with flue gas inlet hole 111 offered multiple flue gases and portalled 112, that is to say, flue gas inlet hole 11 and flue gas portal 112 perforate direction all along the flue gas flow direction F in exhaust pass 2.
Shown in Fig. 2 and Fig. 3, in deduster practical work process, first the flue gas of high concentration carries out dust removal and filtration through electric field region 3 and filter bag district 4, remove most granule dust and part particle mercury, and will filter the dust collection obtaining to ash bucket 6, for industrial production cycle recycling; Then, the clean flue gas after having filtered enters air-purifying chamber 5, then enters thus the mercury removal device 1 being arranged in exhaust pass 2 and carry out demercuration processing; Mobile flue gas enters container 11 by flue gas inlet hole 111, and fills the acticarbon being placed in container 11 and fully mixes and contact, and through pilot production analysis, so can trap more than 90% mercury of absorption; Finally, through the demercuration of this mercury removal device 1, purify, the flue gas that can make to meet discharge standard, by 112 discharges of portalling of the flue gas of container 11, again enters exhaust pass 2, and is discharged by the outlet of exhaust pass 2.
Obviously, by the design of above-mentioned mercury removal device 1, can effectively evade the consumption of a large amount of demercuration adsorbents that existing injection mercury removal device 1 causes, and then can reduce demercuration cost; Meanwhile, also can realize the protection to dust, efficiently solve the problem of the secondary pollution of demercuration adsorbent to dust in dust removal process.
It should be noted that, in this programme, mercury removal device 1 is arranged in exhaust pass 2, and certainly, this mercury removal device 1 also can be arranged at other positions in downstream, dedusting region, makes it meet the position that the flue gas after dust removal and filtration is carried out to demercuration processing and all can.Therefore, in this programme, the setting of the particular location to mercury removal device 1 is not construed as limiting the technical scheme of the application's request protection.
In addition, in this container 11, be provided with and fill the adsorbent bag 113 of putting adsorbent, that is to say, acticarbon can be placed in the container 11 of this mercury removal device 1 by being packed into the form of adsorbent bag 113.So arrange, when deduster carries out demercuration purification to flue gas, need fully contact with acticarbon through adsorbent bag 113, through the flue gas of demercuration, from adsorbent bag 113, discharge again, reach the emission limit that meets mercury in flue gas and compound; Obviously, not only reduce the consumption of active carbon, given full play to the performance of active carbon trapping adsorbent mercury, and, container 11 is filled and discharged the equal simple and feasible of operation of adsorbent bag 113, greatly improved the efficiency of changing adsorbent in mercury removal device 1, further improve the operating efficiency of deduster.
Need to explain, the applied demercuration adsorbent of mercury removal device 1 can be selected according to actual smoke condition and industrial requirement, and therefore, this mercury removal device 1 also can be selected other demercuration adsorbent, for example: flying dust, petroleum coke, Ca-base adsorbent etc.Obviously, this programme is not limited to acticarbon, can be applied to this mercury removal device 1 and be effective the mercury departing from flue gas, and the economic feasibility of realistic engineering application all can.
In addition, for choosing of adsorbent bag 113 materials, need to adapt to flue gas Acidity of Aikalinity, and there is certain flue gas permeability, to guarantee that flue gas is smoothly by adsorbent bag 113, and fully mix and contact with adsorbent.Therefore, need determine according to the application scenario of deduster the material of adsorbent bag 113, for example: in order to improve adsorbent bag 113 corrosion resistance to oxysulfide in power station environment, preferably PTFE is as the processing and fabricating material of adsorbent bag 113.Certainly, other have permeability, and the material of acid and alkali-resistance environment is applicable equally, for example: the materials such as PPS.Obviously, not choosing of adsorbent bag 113 materials formed and limited the technical scheme of the application's request protection.
Further, in this programme, the aperture size of circular flue gas inlet hole 111 is less than the outer profile size of adsorbent bag 113; Similarly, portal 112 aperture size of circular flue gas is set and is less than the outer profile size of adsorbent bag 113.So, so that adsorbent bag 113 can be placed in container 11 completely, avoid adsorbent bag 113 to expose; Meanwhile, interlaced being close to of adsorbent bag 113 is full of container 11 between two, effectively eliminated the space of flue gas through adsorbent bag 113 and the phenomenon of discharging, and more effectively promotes the adsorption efficiency of mercury removal device 1 to mercury in flue gas.
In this programme, portal 112 aperture size of flue gas inlet hole 111 and flue gas is identical, can simplify processing, promotes the manufacturability of mercury removal device 1.Known referring to Fig. 1, flue gas inlet hole 111 and flue gas portal and 112 are distributed in respectively cell therefor wallboard 117, and its aperture center is interlaced; The mutual butt of each adsorbent bag 113 in container 11, and form multilayer absorption aspect.So, when flue gas passes through this mercury removal device 1, need to turn and flow through the adsorbent bag 113 of the attached aspect of every side draught, and must change circulating direction and flow container 11.Obviously, can greatly improve flue gas and adsorbent bag 113 contacts area, give full play to the absorption property of active carbon to mercury in flue gas, further promote demercuration adsorption efficiency and the gas cleaning quality of deduster.
Certainly, portal 112 aperture of flue gas inlet hole 111 and flue gas also can be designed to different sizes, be not limited to identical aperture size, the aperture size that only need meet both is all less than the outer profile size of adsorbent bag 113, thereby can be that the size that mercury removal device 1 purifies the high-efficiency mercury removal of flue gas all can.
Meanwhile, relative flue gas inlet hole 111 and flue gas are portalled to 112 positions not only for strict interlaced arrangement in Fig. 1, portal 112 position of only need be crisscross arranged flue gas inlet hole 111 and flue gas, so that flue gas fully contacts and all can with demercuration adsorbent.
Herein, portal 112 shape of flue gas inlet hole 111 and flue gas is preferably set and is circular port, so that processing improves manufacturability.In fact, design for both shapes is not limited in this, also can be designed to square hole, rhombus and difform hole shape thereof, only need guarantee smoke gas flow smoothly profit enter container 11, fully contact with acticarbon, and adsorbent bag 113 all can in container 11.
Similarly, adsorbent bag 113 provides form more easily in container 11 for adsorbent is placed in, and to its concrete shape indefinite requirement.Therefore, herein, the outer contour shape of the adsorbent bag 113 of employing does not form and limits the technical scheme of the application's request protection, and the shape that can realize adsorbent bag 113 functions all can.
In order to promote this mercury removal device 1, change the operability of adsorbent, this container 11 is offered charging aperture 114 and discharging opening 115, and wherein, both opening directions are vertical flue gas flow direction F all, and is arranged at the two opposite side walls of container 11.Specifically incorporated by reference to shown in Fig. 1 and Fig. 4, adsorbent bag 113 is filled with in container 11 by charging aperture 114, and through to after flue gas demercuration absorption work repeatedly, the adsorbent in adsorbent bag 113 reaches the limit value that its adsorbent requires, now, need by discharging opening 115 amount discharge containers 11.
Based on the convenience of practical application, and can be filled with under the prerequisite with amount discharge container 11 at adsorbent bag 113, the size that can design discharging opening 115 is larger, makes it to be greater than the size of charging aperture 114.So arrange, can make full use of Action of Gravity Field and make adsorbent bag 113 smoothly by discharging opening 115 amount discharge containers 11, meanwhile, also for adsorbent bag 113 is packed into container 11 by charging aperture 114, provide guarantee.
On this basis, charging aperture 114 and discharging opening 115 all arrange the electrically operated valve 116 of carrying acticarbon, to reduce the man-hour of changing manually adsorbent, increase work efficiency, further improve the operability of mercury removal device 1, optimized the automatically working performance of mercury removal device 1.
It should be noted that, herein, valve promotes perfect mercury removal device 1 changes the operability of adsorbent, for choosing of valve, be not only defined as electrically operated valve 116, also can realize by the valve of other types is set the automation mechanized operation of filler and discharging, for example, operated pneumatic valve.Obviously, not choosing of valve is construed as limiting the technical scheme of the application's request protection.
Except above-mentioned mercury removal device 1, the present invention also provides a kind of electric-bag complex dust collector, and without loss of generality, this electric-bag complex dust collector comprises electric field region 3, filter bag district 4, mercury removal device 1 and exhaust pass 2.Wherein, the mercury removal device 1 that this electric-bag complex dust collector adopts is above-described mercury removal device 1.
This electric-bag complex dust collector is placed in above-mentioned mercury removal device 1 in exhaust pass 2, and be tightly connected with the perisporium of exhaust pass 2, so that flue gas only can be by after the abundant absorption demercuration of mercury removal device 1, outlet by exhaust pass 2 is discharged, effectively guarantee the demercuration effect of mercury removal device 1 to flue gas, and promoted gas cleaning rate.
For the ease of the dismounting of mercury removal device 1, two flue sidewalls of exhaust pass 2 are all offered through hole (not shown).So arrange, mercury removal device 1 passes through this through-hole mounting in exhaust pass 2, and charging aperture 114 and discharging opening 115 expose to flue sidewall, so that being welded and fixed of container 11 and exhaust pass 2 sidewalls improves the operability of processing.
Further, three mercury removal devices 1 that are connected in exhaust pass 2, as shown in Figure 3.Wherein, clipping room L between the mercury removal device 1 of the lower side of exhaust gas volumn and flue gas concentration is larger, and the flue gas being filtered by filter bags at different levels district 4 converges, make near the flue gas concentration of outlet one side of exhaust pass 2 higher, need set up mercury removal device 1 with strengthening demercuration, therefore, the installing space L that the adjacent mercury removal device of this side two is 1 is less, fully to meet the demercuration effect to high-concentration fume, guarantee the high-quality demercuration work completing flue gas of high efficiency.
It should be noted that, for the setting of mercury removal device in electric-bag complex dust collector 1, be not limited to three, its concrete number needs is according to the working environment of deduster, and needs the exhaust gas volumn that purifies and flue gas concentration and determine; Meanwhile, the installing space L that its layout can be followed 1 of two adjacent mercury removal device successively decreases along the flue gas flow direction F in exhaust pass 2, to utilize more fully the demercuration absorption property of mercury removal device 1, improves absorption utilization rate and the adsorption effect of adsorbent to mercury in flue gas.
Herein, take existing electric-bag complex dust collector as basis, its mercury removal device 1 is improved, mercury removal device 1 is connected by welded seal with exhaust pass 2.Certainly, also mercury removal device 1 and exhaust pass 2 can be designed to monoblock type, further promote manufacturability and the compactedness of deduster.
In addition, other part-structures of electric-bag complex dust collector provided by the invention, and operation principle all please refer to prior art, repeats no more herein.
Above mercury removal device provided by the present invention and the electric-bag complex dust collector with this mercury removal device are described in detail.Only for object lesson of the present invention, set forth herein, the explanation of the above specific embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, not departing under the prerequisite of feature of the present invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a mercury removal device, removes the mercury of flue gas for deduster, it is characterized in that, described mercury removal device is arranged at the downstream in dedusting region in described deduster, comprises a container for accommodating adsorbent; One sidewall paneling of the vertical flue gas flow direction of described container is offered multiple flue gas inlet holes, and the opposite side wallboard relative with described flue gas inlet hole offered multiple flue gases and portalled.
2. mercury removal device according to claim 1, is characterized in that, is provided with and fills the adsorbent bag of putting adsorbent in described container.
3. mercury removal device according to claim 2, is characterized in that, the size that described flue gas inlet hole and described flue gas portal is all less than the size of described adsorbent bag.
4. according to the mercury removal device described in any one in claim 2 or 3, it is characterized in that, described container is offered for described adsorbent bag and is filled with the charging aperture of described container and the discharging opening of the described container of discharge, the vertical flue gas flow direction of opening direction of described charging aperture and described discharging opening, is arranged at respectively the two opposite side walls of described container.
5. mercury removal device according to claim 4, is characterized in that, described flue gas inlet hole is identical with the aperture size that described flue gas portals, and be distributed in respectively corresponding described wall of a container plate, and aperture center is interlaced.
6. mercury removal device according to claim 5, is characterized in that, described charging aperture and described discharging opening all arrange the valve of carrying described adsorbent.
7. an electric-bag complex dust collector, comprises electric field region, filter bag district, mercury removal device and exhaust pass, it is characterized in that, described mercury removal device is the mercury removal device described in any one in claim 1 to 6.
8. electric-bag complex dust collector according to claim 7, is characterized in that, described mercury removal device is arranged in described exhaust pass, is tightly connected with the perisporium of described exhaust pass.
9. electric-bag complex dust collector according to claim 8, is characterized in that, two flue sidewalls of described exhaust pass are all offered the through hole for described mercury removal device plug-in mounting, and described charging aperture and described discharging opening all expose to described flue sidewall.
10. according to the electric-bag complex dust collector described in any one in claim 7 to 9, it is characterized in that, described exhaust pass multiple described mercury removal devices that are connected, the installing space between two adjacent described mercury removal devices successively decreases along the flue gas flow direction in described exhaust pass.
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| CN201410047661.XA CN103752128A (en) | 2014-02-11 | 2014-02-11 | Demercuration device and electrostatic fabric filter provided with demercuration device |
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| CN201410047661.XA CN103752128A (en) | 2014-02-11 | 2014-02-11 | Demercuration device and electrostatic fabric filter provided with demercuration device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201459A (en) * | 2019-07-09 | 2019-09-06 | 何雯倩 | Industrial dust filtration system |
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| CN102805988A (en) * | 2012-07-31 | 2012-12-05 | 武宁亮宇照明电器有限公司 | Purification device for mercury vapor |
| CN103007670A (en) * | 2012-12-27 | 2013-04-03 | 厦门龙净环保技术有限公司 | Electrostatic fabric filter for controlling fine particles PM2.5 and mercury collaborative removal |
| CN203803326U (en) * | 2014-02-11 | 2014-09-03 | 福建龙净环保股份有限公司 | Demercuration device and electrostatic fabric filter provided with same |
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- 2014-02-11 CN CN201410047661.XA patent/CN103752128A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2234815Y (en) * | 1995-09-22 | 1996-09-11 | 邰增玉 | Purifying deodorizer |
| CN102805988A (en) * | 2012-07-31 | 2012-12-05 | 武宁亮宇照明电器有限公司 | Purification device for mercury vapor |
| CN103007670A (en) * | 2012-12-27 | 2013-04-03 | 厦门龙净环保技术有限公司 | Electrostatic fabric filter for controlling fine particles PM2.5 and mercury collaborative removal |
| CN203803326U (en) * | 2014-02-11 | 2014-09-03 | 福建龙净环保股份有限公司 | Demercuration device and electrostatic fabric filter provided with same |
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| CN110201459A (en) * | 2019-07-09 | 2019-09-06 | 何雯倩 | Industrial dust filtration system |
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Application publication date: 20140430 |