CN203577519U - Cartridge filter - Google Patents
Cartridge filter Download PDFInfo
- Publication number
- CN203577519U CN203577519U CN201320772488.0U CN201320772488U CN203577519U CN 203577519 U CN203577519 U CN 203577519U CN 201320772488 U CN201320772488 U CN 201320772488U CN 203577519 U CN203577519 U CN 203577519U
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- China
- Prior art keywords
- chamber
- filter
- filter cylinder
- dividing plate
- dust remover
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000428 dust Substances 0.000 claims description 97
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 23
- 230000000694 effects Effects 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000011010 flushing procedure Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 19
- 238000007664 blowing Methods 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- 238000001914 filtration Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- -1 support Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to the field of industrial dedusting and in particular relates to a cartridge filter. The cartridge filter comprises a filter chamber and a plurality of cartridges, wherein a clapboard separating the filter chamber into a first cavity and a second cavity is arranged in the filter chamber; the first cavity is provided with a gas inlet; the second cavity is provided with a gas outlet; the cartridges are arranged in the first cavity and are vertical; the clapboard is provided with holes communicating the first cavity with the second cavity; each hole is covered by one cartridge. The cartridge filter has the beneficial effects that when the cartridge filter is used, dusty gases enter the first cavity in the filter chamber via the gas inlet, reach the second cavity of the filter chamber via the holes in the clapboard, are filtered and dedusted by the cartridges before passing through the holes and are exhausted via the gas outlet of the second cavity; different from the horizontal cartridge filters in the prior art, the cartridge filter is vertically arranged in the first cavity in the filter chamber, so that the cartridges only need to cover the holes in the clapboard, without cartridge support frames, and are dedusted by back flushing devices, thus better dedusting effects can be achieved.
Description
Technical field
The utility model relates to industrial dedusting field, in particular to a kind of filter cartridge dust remover.
Background technology
Many industries such as metallurgy, casting, building materials, mining, weaving all can produce a large amount of dust when production run, if the industrial waste gas that contains these dust is not treated, are just directly discharged in air, can cause severe contamination to environment.Deduster is widely used in industrial dedusting field, and common dry collector has pressure-bearing type filter cartridge dust remover etc.
Wherein, pressure-bearing type filter cartridge dust remover is to utilize Wrinkled tubular filter element-filter cylinder to trap the cleaner of dust in dusty gas.When reality is used, pressure-bearing type filter cartridge dust remover needs regularly by high pressure air pulse back-blowing device, the laying dust on filter cylinder to be carried out to deashing.
Existing pressure-bearing type filter cartridge dust remover, referring to Fig. 1, wherein dust laden air, through the air inlet 1 of pressure-bearing type filter cartridge dust remover, after being placed in horizontal filter cylinder 3 filtrations on bracing frame 4, is discharged pressure-bearing type filter cartridge dust remover by gas outlet 2.Its filter cylinder all needs to be arranged on the independent filter cylinder bracing frame of the effect of playing load-bearing, multiple filter cylinders are horizontally placed on pressure-bearing type filter cartridge dust remover inside, its defect is, because filter cylinder is arranged on filter cylinder bracing frame, so when filter cylinder being carried out to deashing by Pulse anti-blow device, filter cylinder bracing frame can produce inhibition to high pressure air pulse, thus the removing effect of impact to laying dust on filter cylinder.
Utility model content
The purpose of this utility model is to provide a kind of filter cartridge dust remover, to solve the above problems.
A kind of filter cartridge dust remover is provided in embodiment of the present utility model, has comprised: filter chamber and multiple filter cylinder, be provided with the dividing plate that filter chamber is divided into the first chamber and the second chamber in filter chamber; The first chamber has air inlet, and the second chamber has gas outlet; Filter cylinder is positioned at the first chamber and is vertical shape; On dividing plate, there is the hole in multiple connections the first chamber and the second chamber; Each Kong Shangjun is covered with a filter cylinder.
The filter cartridge dust remover that the utility model embodiment provides in use, dusty gas enters the first chamber in filter chamber by air inlet, by the hole in multiple connections the first chamber on dividing plate and the second chamber, arrive the second chamber of filter chamber, wherein, each Kong Shangjun is covered with a filter cylinder, and therefore, dust laden air is filtering de-dirt through Kong Qianhui through filter cylinder, after arriving the second chamber through filter cylinder, de-dirt air is discharged filter cartridge dust remover by the gas outlet in the second chamber.On the other hand, this filter cartridge dust remover is different from pressure-bearing type filter cartridge dust remover of the prior art, its filter cylinder is arranged in the first chamber in filter chamber in vertical mode, therefore only filter cylinder need be covered on the hole of dividing plate, without the filter cylinder bracing frame that adds again load-bearing for filter cylinder, so when filter cylinder being carried out to deashing by back-blowing device, can realize better ash-removal effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of pressure-bearing type filter cartridge dust remover in prior art;
The schematic diagram of the filter cartridge dust remover that Fig. 2 provides for the utility model embodiment;
The installing schematic diagram of the pulse ash remover of the filter cartridge dust remover that Fig. 3 provides for the utility model embodiment;
Another schematic diagram of the filter cartridge dust remover that Fig. 4 provides for the utility model embodiment;
One end that Fig. 5 provides for the utility model embodiment has the filter cylinder of flange and the schematic diagram of the end cap that is mated;
The schematic diagram of the filter cylinder that is provided with flange that Fig. 6 provides for the utility model embodiment;
The schematic diagram of the filter cylinder with support edge that Fig. 7 provides for the utility model embodiment;
The schematic diagram of the bracket that Fig. 8 provides for the utility model embodiment;
The filter cylinder with support edge that Fig. 9 provides for the utility model embodiment coordinates the schematic diagram of installing with bracket;
The schematic diagram that the modularization assemble of multiple filter cartridge dust removers that Figure 10 provides for the utility model embodiment connects.
The specific embodiment
Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.
Please refer to Fig. 2-10, wherein, the schematic diagram of the filter cartridge dust remover that Fig. 2 provides for the utility model embodiment; The installing schematic diagram of the pulse ash remover of the filter cartridge dust remover that Fig. 3 the utility model embodiment provides; Another schematic diagram of the filter cartridge dust remover that Fig. 4 provides for the utility model embodiment; One end that Fig. 5 the utility model embodiment mono-provides has the filter cylinder of flange and the schematic diagram of the end cap that is mated; The schematic diagram of the filter cylinder that is provided with flange that Fig. 6 provides for the utility model embodiment bis-; The schematic diagram of the filter cylinder with support edge that Fig. 7 provides for the utility model embodiment tri-; The schematic diagram of the bracket that Fig. 8 provides for the utility model embodiment tri-; The filter cylinder with support edge that Fig. 9 provides for the utility model embodiment tri-coordinates the schematic diagram of installing with bracket; The schematic diagram that the modularization assemble of multiple filter cartridge dust removers that Figure 10 provides for the utility model embodiment connects.
Embodiment of the present utility model provides a kind of filter cartridge dust remover, comprising: filter chamber 10 and multiple filter cylinder 20, be provided with the dividing plate 13 that filter chamber 10 is divided into the first chamber 11 and the second chamber 12 in filter chamber 10; The first chamber 11 has air inlet 110, the second chambeies 12 and has gas outlet 120; Filter cylinder 20 is positioned at the first chamber 11 and is vertical shape; On dividing plate 13, there is the hole (attached not shown) in multiple connections the first chamber 11 and the second chamber 12; Each Kong Shangjun is covered with a filter cylinder 20.
The filter cartridge dust remover that adopts the utility model embodiment to provide, dusty gas enters the first chamber in filter chamber by air inlet, by the hole in multiple connections the first chamber on dividing plate and the second chamber, arrive the second chamber of filter chamber, wherein, each Kong Shangjun is covered with a filter cylinder, and therefore, dust laden air is filtering de-dirt through Kong Qianhui through filter cylinder, after arriving the second chamber through filter cylinder, de-dirt air is discharged filter cartridge dust remover by the gas outlet in the second chamber.On the other hand, this filter cartridge dust remover is different from pressure-bearing type filter cartridge dust remover of the prior art, its filter cylinder is arranged in the first chamber in filter chamber in vertical mode, therefore only filter cylinder need be covered on the hole of dividing plate, without the filter cylinder bracing frame that adds again load-bearing for filter cylinder, so when filter cylinder being carried out to deashing by back-blowing device, can realize better ash-removal effect.In addition, pressure-bearing type filter cartridge dust remover, after long-term use, its filter cylinder upper surface can serious laying dust, greatly affect the filter capacity of filter cylinder, and the filter cartridge dust remover that the utility model embodiment provides, because filter cylinder adopts vertical design, therefore there is not the problem of filter cylinder upper surface laying dust, improved the durability of filter cartridge dust remover.
As an optional embodiment, the gas outlet 120 of this filter cartridge dust remover can be set to Kuan Kou gas outlet as shown in Figure 4, here the object that gas outlet 120 is designed to the gas outlet of large-size is, gas outlet 120 can be used as the access hole to filter chamber 10 inner parts simultaneously, for example: 1. when obstruction or fault occur pressure-air injection tube 33, open and safeguard thus; 2. just in case have the filter material breakage of filter cylinder or the poorly sealed situation of dividing plate to occur, dust can directly enter the second chamber, may in chamber, cause laying dust phenomenon, at this moment also can safeguard by this access hole.Certainly, the size of the gas outlet of filter cartridge dust remover and shape can arrange arbitrarily as required.
As an optional embodiment, the filter cylinder 20 of this filter cartridge dust remover can be arranged on dividing plate 13 in the following way:
On dividing plate 13, be provided with end cap 21, a side of end cap 21 is connected with dividing plate 13, and the edge of the opposite side of end cap 21 is provided with many group draw-in grooves 211, and filter cylinder 20 is provided with the connecting portion of end cap 21 the many groups flange 201 matching with draw-in groove 211, as shown in Figure 5.
Adopt the filter cylinder of above-mentioned draw-in groove-flange matching design, when mounted, without by any instrument, only need be by filter cylinder upwards, corresponding many groups draw-in groove in the flange aligning end cap that filter cylinder outside is protruded, simple rotation certain angle, can complete the installation of filter cylinder; Equally, when dismounting, counter-rotate filter cylinder, can unload.Thereby realize the fast assembling-disassembling to filter cylinder.
While specifically arranging, end cap can be arranged on dividing plate in any way, and for example, end cap can be connected with dividing plate bolt.On the other hand, appropriately set width and the angle of inclination of draw-in groove and flange, can realize 60 ° of filter cylinder rotations, can complete the installing of filter cylinder and realize locking voluntarily.During dismounting, step is identical, only needs 60 ° of counter-rotatings can complete dismounting.
The filter cylinder of this filter cartridge dust remover is when actual production, and the main body of filter cylinder can be taked Wrinkled filter cylinder, and Wrinkled filter cylinder is the filter cylinder being widely used in existing pressure-bearing type filter cylinder.Many group flanges are set in Wrinkled filter cylinder end, and the end cap that matches with described flange of cooperation, can be applicable to this filter cartridge dust remover.
Preferably, adopt the filter cylinder of above-mentioned draw-in groove-flange matching design, six groups of draw-in grooves 211 can be set on end cap 21, correspondingly, six groups of flanges 201 are also set on filter cylinder 20.
The number of draw-in groove and flange is made as to six groups, can realizes preferably cavity seal and filter cylinder fixed effect.
As an optional embodiment, the filter cylinder 20 of this filter cartridge dust remover can be arranged on dividing plate 13 in the following way: one end that filter cylinder 20 is arranged on dividing plate 13 is provided with flange 22, and filter cylinder 20 is arranged on dividing plate 13 by flange 22.For example, screw 221 can be set on flange 22, flange 22 is connected with dividing plate 13 bolts.Certainly, flange 22 adopts other any appropriate connected mode to be also all fine with dividing plate 13.
As an optional embodiment, the filter cylinder 20 of this filter cartridge dust remover can be arranged on dividing plate 13 in the following way: one end that filter cylinder 20 is arranged on dividing plate 13 is provided with support edge 202, on dividing plate 13, be provided with the bracket 23 matching with support edge 202, filter cylinder 20 is fixed on dividing plate 13 by bracket 23.For example, referring to Fig. 7-9, bracket 23 has two trailing arms of almost parallel, one end of bracket 23 is provided with hinge 231, bracket 23 can be realized and being rotationally connected of dividing plate 13 by hinge 231, and the other end that bracket 23 is relative with hinge 231 is provided with screw, and filter cylinder 20 one end are provided with the rectangle support edge 202 matching with trailing arm, filter cylinder 20 is inserted after trailing arm, and the other end of bracket 23 is bolted on dividing plate 13.
In above-mentioned embodiment, the shape of bracket and support edge, all can be chosen for other arbitrary shape as the case may be; The connected mode of bracket and dividing plate, also all can adopt as the case may be other any appropriate connected mode, but, the filter cylinder number that each bracket is installed is preferably 1-2, if the filter cylinder of bracket installing is too much, may cause easily producing because bracket length is long distortion.Thereby occur because of the sealing effectiveness between support and filter cylinder support edge badly, and cause leaking powder.
Preferably, the sidewall in the first chamber 11 of this filter cartridge dust remover can also be provided with the access door (attached not shown) for chamber inner part is disposed.
The sidewall in the first chamber arrange access door can facilitate staff to chamber in the parts such as filter cylinder keep in repair, change or maintain.
Preferably, the first chamber 11 of this filter cartridge dust remover can be positioned at the below in the second chamber 12, further, the bottom in the first chamber 11 can be funnel-form, form control of dust funnel 121, the bottom in the first chamber 11 can also have the dust mouth (attached not shown) for shifting out the collected dust of filter cartridge dust remover, and the design of dust mouth is widely used in existing deduster, therefore do not repeat.
Preferably, the air inlet 110 of this filter cartridge dust remover can be positioned at the bottom in the first chamber 11; Gas outlet 120 can be positioned at the sidepiece top in the second chamber 12.
Because dust laden air enters the first chamber by air inlet, so air inlet is arranged on filter cartridge dust remover below, can make the heavier grit of most of particle diameter in the sedimentation in advance of control of dust funnel place, fine dust carries out high efficiency filter through filter cylinder.So not only improved filter efficiency, the more effective filter cylinder of having protected can directly not clashed into and cause wearing and tearing by big dust particle, has also extended the shelf life of filter cylinder.
The bottom in the first chamber adopts funnelform this design of control of dust funnel, can automatically collect the dust of filtering in the first chamber, certainly, control of dust funnel also can be collected in while filter cylinder being carried out to deashing by Pulse anti-blow device automatically, the dust of removing from filter cylinder, all these dusts can clear out the first chamber through the set dust mouth of control of dust funnel bottom.
Based on modular design philosophy, when making this filter cartridge dust remover, the funnel-form chamber wall in the first bottom, chamber can independently be manufactured in addition, when mounted, this funnel-form chamber wall is realized and being connected by inner flange bolt with the main body wall in the first chamber, adopt this scheme conveniently to transport, improve the dismounting efficiency of this filter cartridge dust remover.Certainly, the first chamber adopts arbitrarily other design to be also all fine.
Preferably, in order to realize the preferably effect of filtering cylinder ash cleaning, this filter cartridge dust remover can also comprise realizing the pulse ash remover 30 of high pressure air pulse reverse gas cleaning.As shown in Figure 3, wherein the pressure-air in pressure-air air accumulator 34 is connected to pressure-air injection tube 33 after diaphragm valve 31 and magnetic valve 32 controls, and pressure-air is blown in filter cylinder 20 from pressure-air injection tube 33.
The set pulse ash remover of this filter cartridge dust remover is identical with the set-up mode of the pulse ash remover of horizontal arrangement type deduster, unique difference is the blowing direction of air, the blowing direction of pressure-air is to being identical with the setting party of filter cylinder, in this filter cartridge dust remover, pressure-air is vertically jetted.Certainly, this filter cartridge dust remover adopt other arbitrarily back-blowing device filter cylinder is carried out deashing or with other any-mode, filter cylinder is carried out to deashing being also all fine.
Preferably, in order to make this filter cartridge dust remover more firm when moving, can also support 90 be further set for filter chamber 10, support 90 is connected with filter chamber, for supporting the agent structure of filter cartridge dust remover.
This filter cartridge dust remover complete machine can adopt " modularization " design, specifically, the assemblies such as control of dust funnel in filter cartridge dust remover monomer, support, air inlet, gas outlet, blanking device are directly made to become and can be realized " modular unit " of Fast Installation by shaped flange when designing and producing, at some Wind Volume dust, process occasion, each monomer filter cartridge dust remover also can become a set of Large-size Dust-removal System according to concrete actual conditions quick-assembling.As shown in figure 10, wherein, connection is realized respectively in the first chamber 11 of the filter cartridge dust remover of multiple monomers and the second chamber 12, and between adjacent monomer, without sidewall, the filter chamber wall of adjacent monomer is realized connection by inner flange.Adopt the advantage of above-mentioned design except being convenient to filter cartridge dust remover transportation, also be, if reserved airduct and other configuration during the design of owner's original system, when later stage production line increases, when dust pelletizing system need increase, only need to add corresponding monomer module, simple concatenation enters original system again, can conveniently complete the upgrading of Large-size Dust-removal System.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a filter cartridge dust remover, is characterized in that, comprising: filter chamber and multiple filter cylinder, be provided with the dividing plate that described filter chamber is divided into the first chamber and the second chamber in described filter chamber; Described the first chamber has air inlet, and described the second chamber has gas outlet; Described filter cylinder is positioned at described the first chamber and is vertical shape; On described dividing plate, there is the hole in described the first chamber of multiple connections and described the second chamber; Each described Kong Shangjun is covered with a described filter cylinder.
2. filter cartridge dust remover according to claim 1, it is characterized in that, described filter cylinder is arranged on described dividing plate as follows: described dividing plate is provided with end cap, one side of described end cap is connected with described dividing plate, the edge of the opposite side of described end cap is provided with many group draw-in grooves, and described filter cylinder is provided with the connecting portion of described end cap the many groups flange matching with described draw-in groove.
3. filter cartridge dust remover according to claim 2, is characterized in that, described draw-in groove and described flange are six groups.
4. filter cartridge dust remover according to claim 1, is characterized in that, described filter cylinder is arranged on described dividing plate as follows: one end that described filter cylinder is arranged on described dividing plate is provided with flange, and described filter cylinder is arranged on described dividing plate by described flange.
5. filter cartridge dust remover according to claim 1, it is characterized in that, described filter cylinder is arranged on described dividing plate as follows: one end that described filter cylinder is arranged on described dividing plate is provided with support edge, on described dividing plate, be provided with the bracket matching with described support edge, described filter cylinder is fixed on described dividing plate by described bracket.
6. according to the filter cartridge dust remover described in any one in claim 1-5, it is characterized in that, the sidewall in described the first chamber is also provided with the access door for chamber inner part is disposed.
7. according to the filter cartridge dust remover described in any one in claim 1-5, it is characterized in that, described the first chamber is positioned at the below in described the second chamber, and the bottom in described the first chamber is funnel-form, and described the first bottom, chamber has dust mouth.
8. filter cartridge dust remover according to claim 7, is characterized in that, described air inlet is positioned at the bottom in described the first chamber; Described gas outlet is positioned at the sidepiece top in described the second chamber.
9. according to the filter cartridge dust remover described in any one in claim 1-5, it is characterized in that, also comprise realizing the pulse ash remover of high pressure air pulse reverse gas cleaning.
10. according to the filter cartridge dust remover described in any one in claim 1-5, it is characterized in that, also comprise the support being connected with described filter chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320772488.0U CN203577519U (en) | 2013-11-29 | 2013-11-29 | Cartridge filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320772488.0U CN203577519U (en) | 2013-11-29 | 2013-11-29 | Cartridge filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203577519U true CN203577519U (en) | 2014-05-07 |
Family
ID=50575498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320772488.0U Expired - Fee Related CN203577519U (en) | 2013-11-29 | 2013-11-29 | Cartridge filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203577519U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211495A (en) * | 2017-11-07 | 2018-06-29 | 北京中航华源永铭科技有限公司 | Filter flange installation structure and filter |
| CN108479261A (en) * | 2018-05-03 | 2018-09-04 | 北京鼎翰科技有限公司 | A kind of coal-burning power plant's purifying and dedusting device and its dust removal method |
| CN113731954A (en) * | 2021-11-08 | 2021-12-03 | 宁波市北仑旭阳模塑制造有限公司 | Down blowing cabinet |
-
2013
- 2013-11-29 CN CN201320772488.0U patent/CN203577519U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211495A (en) * | 2017-11-07 | 2018-06-29 | 北京中航华源永铭科技有限公司 | Filter flange installation structure and filter |
| CN108479261A (en) * | 2018-05-03 | 2018-09-04 | 北京鼎翰科技有限公司 | A kind of coal-burning power plant's purifying and dedusting device and its dust removal method |
| CN108479261B (en) * | 2018-05-03 | 2019-10-29 | 杭州德飙新能源科技有限公司 | A kind of coal-burning power plant's purifying and dedusting device and its dust removal method |
| CN113731954A (en) * | 2021-11-08 | 2021-12-03 | 宁波市北仑旭阳模塑制造有限公司 | Down blowing cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140507 Termination date: 20161129 |