CN203123741U - Fume dedusting circulation purification device - Google Patents
Fume dedusting circulation purification device Download PDFInfo
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- CN203123741U CN203123741U CN 201320088480 CN201320088480U CN203123741U CN 203123741 U CN203123741 U CN 203123741U CN 201320088480 CN201320088480 CN 201320088480 CN 201320088480 U CN201320088480 U CN 201320088480U CN 203123741 U CN203123741 U CN 203123741U
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Abstract
The utility model discloses a fume dedusting circulation purification device which comprises a tube body with a fume inlet and a fume outlet, wherein a circuitous fume channel is formed by a plurality of fume stopping plates inside the tube body; a plurality of spraying heads are arranged inside the fume channel; the spraying direction of the spraying heads is generally the same as the flowing direction of the fume at the place of the spraying heads; a water reservoir which is internally communicated with the tube body is further provided; and the spraying heads are communicated with the water reservoir through a water supply tube. The fume dedusting circulation purification device disclosed by the utility model is simple in structure and high in dedusting efficiency, the dust content in the fume can be reduced to be zero, and the circulation and reuse of a spraying liquid is realized, so that the fume dedusting circulation purification device is easily applicable to large-scale popularization and application in industrial production.
Description
Technical field
The utility model relates to the flue gas ash removal field, is specifically related to a kind of flue gas ash removal circulating purifying device.
Background technology
Contain a large amount of dust and pernicious gas in the flue gas that fuel combustion such as coal, organic waste produces, these atmosphere pollutions can cause very big pollution to surrounding environment, and flue gas ash removal is separated dust exactly from flue gas, and the process that is captured and reclaim.
The device category of flue gas ash removal is various, and whether by adopting wetting agent can be divided into dry collector and wet scrubber in the dust removal process, wherein the kind of wet scrubber can be divided into following three classes again:
(1) spray-type deduster.In this type of deduster equipment, the dust constaining air-flow is continuous phase, and liquid can be decentralized photo, can be continuous phase also, and phase-contact surface is limited, and separative efficiency is not high, and this type comprises sprinkle formula scrubbing tower, whirlwind water film type washer and packed tower washer etc.
Granted publication number be CN102641659A disclosure of the Invention a kind of smoke desulfurization dust remover, comprise a urceolus and an inner core, inner core is positioned at urceolus, the inner chamber of inner core is communicated with the inner chamber of urceolus, the inner chamber of inner core is communicated with gas approach, the inner chamber of urceolus is communicated with exhanst gas outlet, the periphery of urceolus is with several circular spray tubes, outer tube inner wall is provided with several shower nozzles, shower nozzle is connected with circular spray tube by tube connector, several circular spray tubes respectively are connected with an alkali lye house steward by an arm, and arm is provided with valve.
(2) foamed cleaning deduster.Flue gas is decentralized photo, and liquid is the coexistence of continuous phase and decentralized photo, and the formation of foam is because the bubbling effect of gas, and less turbulence is with the border contact area is big mutually, the efficiency of dust collection height.
Granted publication number be CN101584954B disclosure of the Invention a kind of fume dust remover, comprise the pond, the bottom in pond is provided with air inlet, top is provided with the gas outlet, be provided with at least one dividing plate in the pond, dividing plate is provided with the some wireways that are communicated with the dividing plate upper and lower surfaces, the upper port of wireway be bent downwardly be affixed to dividing plate and with keep one above the dividing plate at interval.The flue gas that fuel combustion produces can be introduced basin bottom by air inlet by blower fan, flue gas is stopped by dividing plate, discharge from the wireway upper port then, be divided into a plurality of minute bubbles by the interval between upper port and the dividing plate, namely be intensive minute bubbles come-up on dividing plate in water, ash-laden gas can contact with water cmpletely, and the water-soluble pernicious gas of the solid dust in the flue gas and part is adsorbed with water, flue gas is purified, and discharges from the gas outlet at last.
(3) pressure injection deduster.Flue gas and liquid under pressure, spray to form microparticulate another mutually in (being mostly that liquid phase is dispersed in the gas phase), less turbulence and phase-contact surface are all very high, impact strength is also high, the efficiency of dust collection height.
Smoke dust-removing equipment of the prior art or complex structure, or efficiency of dust collection is lower, therefore, need provide a kind of simple in structure, and the fume dust remover of easy operating reaches desirable flue gas ash removal effect.
The utility model content
The utility model provides a kind of flue gas ash removal circulating purifying device, and is simple in structure, and the efficiency of dust collection height can be down to dust in flue gas content zero, and can realize the cycling and reutilization of spray liquid, is easy to carry out in suitability for industrialized production large-scale promotion application.
A kind of flue gas ash removal circulating purifying device, comprise the body that has gas approach and exhanst gas outlet, form circuitous exhaust gases passes by some smoke-choking plates in the body, in exhaust gases passes, be provided with some spray heads, the spray direction of described spray head and the flow of flue gas direction of this spray head present position are roughly the same, also be provided with the collecting-tank that is connected with body inside, described spray head is connected with this collecting-tank by feed pipe.
In the utility model the number of the size of the number of the size of smoke baffle plate, smoke baffle plate, spray head and spray head can be according to the size of body, need the content of dust in the flue gas of dedusting, kind and the flowing velocity of flue gas in exhaust gases passes of dust to choose.
The flue gas that fuel combustion produces is entered in the body by gas approach, advances along the circuitous exhaust gases passes that is formed by smoke-choking plate in the body, advances under the promotion of the spray liquid that spray head sprays, finally by being discharged by exhanst gas outlet.
Flue gas contacts with spray liquid after entering body, dust in flue gas is condensed the disengaging flue gas owing to being washed by spray liquid, when the flue gas after being cleaned continues to advance along exhaust gases passes, residual dust can contact with the spray head of the next position again, residual dust partly condenses the disengaging flue gas, through after a plurality of spray heads, dust in flue gas content can be decreased to zero.
Smoke-choking plate is mainly used in forming circuitous exhaust gases passes, the interaction time of prolong smoke and spray liquid.
Because the flow regime of flue gas in circuitous exhaust gases passes is inhomogeneous, be difficult to describe the flow of flue gas direction with accurate some flow directions in certain position, can only adopt the description of a global concept, namely in a certain section space, the bulk flow of flue gas to, the spray direction of spray head and the flow of flue gas direction of this spray head present position are roughly the same, it is consistent with the flow of flue gas direction of spray head present position that roughly referring to herein sprays direction, namely spraying direction is to promote flow of flue gas, and the angle that in general sprays the flow of flue gas direction of direction and the described position of spray head is no more than 90 degree.And in the prior art for unilateral pursuit assimilation effect, generally all adopt reflux type, it is roughly opposite or adopt the random fashion spray namely to spray direction and flow of flue gas direction, so all can cause bigger vapour lock, must be aided with extra high-power air blast or air inducing equipment, and the utility model spray the time can promote flow of flue gas, has fallen vapour lock.
Can offer AD at the position that body stretches into spray head, be convenient to replacing and the maintenance of spray head.
Collecting-tank is supplied with spray liquid by feed pipe to spray head, spray liquid is with after flue gas contacts, carry the dust of cohesion secretly in the inner sedimentation of body, preferably, be provided with sewage purification system in the described collecting-tank, the inside of described body is communicated with the sewage inlet of this sewage purification system by drainpipe, and described spray head is communicated with the pure water inlet of this sewage purification system by feed pipe.
Described feed pipe is provided with a plurality of valves, can regulate flow from spray liquid to each spray head that supply with respectively, to reach the purpose of dust in the thorough removing exhaust gases passes.
The sewage of body inside (namely carrying the spray liquid of the dust of cohesion secretly) enters sewage purification system through drainpipe, sewage purification processing system can adopt prior art, for example adopt multiple means such as sedimentation, filtration or biological treatment, when handling, sewage purification can select suitable processing method according to kind and the content of dust in the flue gas, dust in the spray liquid is removed fully, spray liquid after the purification is supplied with to spray head by feed pipe again, realize the recycling of spray liquid, reduced the cost of dedusting.In order to make flue gas unobstructed in the exhaust gases passes internal flow, guarantee fully contacting of flue gas and spray liquid, preferably, the sectional area at each position of described exhaust gases passes is all greater than the sectional area of gas approach.
As preferably, at least a portion of described body is vertical section, vertically the horizontal interlaced arrangement of smoke-choking plate in the section on two relative inwalls, the described exhaust gases passes of formation between two adjacent smoke-choking plates and between the inwall of the outward flange of smoke-choking plate and vertical section.Described spray head is installed in the corner of exhaust gases passes.
After flue gas enters exhaust gases passes, under the barrier effect of smoke-choking plate, vertically about circuitous advancing, in the corner of exhaust gases passes, spray head ejection spray liquid, under the promotion of spray liquid, flue gas is adjusted direction and is continued to advance.
As preferably, vertically the outward flange of the smoke-choking plate in the section has acclivitous dash flanging, offers osculum on the every smoke-choking plate.Described osculum closes on the connecting portion of its place smoke-choking plate and vertical section inwall.Described osculum closes on the connecting portion of its place smoke-choking plate and vertical section inwall.
Vertically the smoke-choking plate in the section plays the effect of discharging spray liquid of collecting simultaneously, after the spray liquid ejection, contact with flue gas, hold under the arm and drop down onto on the corresponding smoke-choking plate after wrapping up in dust in flue gas, the outer peripheral dash flanging of smoke-choking plate, prevent spray liquid by overflowing on the smoke-choking plate, the spray liquid on the smoke-choking plate is discharged by osculum.
As preferably, in described vertical section, the setting that is inclined upwardly of the outward flange of smoke-choking plate, the angle of inclination is 5～30 degree.
The setting that is inclined upwardly of the outward flange of smoke-choking plate, the spray liquid that drops down onto on the smoke-choking plate flows to smoke-choking plate and the vertical connecting portion of section inwall, is discharged by the osculum of this position then.
Described vertical section cross section can have any shape, for example rectangle or circle.
As preferably, in vertical section, all smoke-choking plates are divided into first group of smoke-choking plate and second group of smoke-choking plate, first group of smoke-choking plate and second group of smoke-choking plate interlaced arrangement are on the relative inwall of vertical section two, all spray heads are divided into first group of spray head and second group of spray head, wherein, the spray head in first group of spray head is arranged between each smoke-choking plate in first group of smoke-choking plate successively; Spray head in second group of spray head is arranged between each smoke-choking plate in second group of smoke-choking plate successively.
Vertically the side inwall in the inwall of two opposite sides is arranged first group of smoke-choking plate in the section, and the opposite side inwall is arranged second group of smoke-choking plate.
As preferably, described drainpipe has some, the osculum on same group of smoke-choking plate by pipeline connection to drainpipe independently.
Namely the osculum of all smoke-choking plates is by pipeline connection to a drainpipe in first group of smoke-choking plate, and the osculum of all smoke-choking plates is by pipeline connection to a drainpipe in second group of smoke-choking plate, and the drainpipe of smoke-choking plate can not share on the same group, can not share yet.
As preferably, described feed pipe has some, and first group of spray head is divided into two groups, and two adjacent spray heads adhere to different groups separately in first group of spray head, and each group's spray head adopts independently a feed pipe in order to supply water; Second group of spray head is divided into two groups, and two adjacent spray heads adhere to different groups separately in second group of spray head, and each group spray head adopts independently a feed pipe in order to supply water.
Consider the needs of the actual trend of body, as preferably, at least a portion of described body is horizontal segment, be arranged in alternately on the two relative inwalls about the smoke-choking plate in the horizontal segment, form described exhaust gases passes between two adjacent smoke-choking plates and between the inwall of the outward flange of smoke-choking plate and horizontal segment, the bottom of horizontal segment offers some osculums.
As whole flue gas ash removal circulating purifying device, horizontal segment and vertical section can respectively have one or is communicated with successively a plurality of, also can have only a kind of, horizontal segment with vertically section in all have smoke-choking plate.
After staggered about smoke-choking plate is set in the horizontal segment, flue gas roughly advances along horizontal plane is circuitous in exhaust gases passes, and circuitous advancing up and down of the prior art relatively can reduce flue gas because the up resistance that brings, be convenient to flue gas advancing in exhaust gases passes, improve the efficient of dedusting.
After flue gas entered horizontal segment, the circuitous exhaust gases passes that forms along smoke-choking plate advanced, flow to the residing position of spray head after, under the promotion of the spray liquid of spray head ejection, move on, and the spray liquid that contacts with flue gas is held dust in flue gas to wrap up under the arm and is removed.
Drainpipe is connected with osculum, is used for removing the spray liquid of body inside, and drainpipe can arrange many, and every drainpipe is connected with different osculum.
The cross section of described horizontal segment can have any shape, for example rectangle or circle.
As preferably, all spray heads of horizontal segment are divided into two groups, and same group of spray head is distributed on the same side inwall of horizontal segment.Two groups of spray heads in the horizontal segment adopt independently feed pipe in order to supply water respectively.
A kind of flue gas ash removal circulating purifying device of the utility model can be down to dust in flue gas content zero, and can realize the cycling and reutilization of spray liquid, is easy to adopt in suitability for industrialized production.
Description of drawings
Fig. 1 is vertically first kind of embodiment schematic diagram of section of the utility model flue gas ash removal circulating purifying device;
Fig. 2 is vertically second kind of embodiment schematic diagram of section of the utility model flue gas ash removal circulating purifying device;
Fig. 3 is the vertical view of the utility model flue gas ash removal circulating purifying device horizontal segment.
The specific embodiment
Below in conjunction with accompanying drawing, a kind of flue gas ash removal circulating purifying device of the utility model is described in detail.
As Fig. 1, Fig. 2, shown in Figure 3, a kind of flue gas ash removal circulating purifying device, comprise the body 1 that has gas approach and exhanst gas outlet, form circuitous exhaust gases passes by some smoke-choking plates in the body 1, in exhaust gases passes, be provided with some spray heads, the spray direction of spray head and the flow of flue gas direction of this spray head present position are roughly the same, also are provided with the collecting-tank 8 that is connected with body 1 inside, and spray head is connected with this collecting-tank 8 by feed pipe 9.
The sectional area at each position of exhaust gases passes is all greater than the sectional area of gas approach, and all greater than the sectional area of exhanst gas outlet.
Be provided with the sewage purification system (not shown) in the collecting-tank 8, the inside of body 1 is communicated with the sewage inlet of this sewage purification system by drainpipe 6, and spray head is communicated with the pure water inlet of this sewage purification system by feed pipe 9.
The sewage of body 1 inside (namely carrying the spray liquid of the dust of cohesion secretly) enters sewage purification system in the collecting-tank 8 through drainpipe 6, after being purified by sewage purification system, is supplied with to spray head by feed pipe 9 again.
The wherein part of body 1 is vertical section, vertically two kinds of section concrete modes respectively as shown in Figure 1 and Figure 2, in vertical section, the horizontal interlaced arrangement of smoke-choking plate is on two relative inwalls, between two adjacent smoke-choking plates and the outward flange of smoke-choking plate and vertically form exhaust gases passes between the inwall of section.Spray head is installed in the corner of exhaust gases passes.
Flue gas is entered by vertical section bottom in Fig. 1, is flowed out by vertical section top, and flue gas is entered by vertical section top among Fig. 2, is flowed out by vertical section bottom.
In vertical section, the outward flange of smoke-choking plate has acclivitous dash flanging 3, offers osculum on the every smoke-choking plate.Osculum closes on the connecting portion of its place smoke-choking plate and vertical section inwall.Osculum closes on the connecting portion of its place smoke-choking plate and vertical section inwall.Vertically the cross section of section is rectangle.
In vertical section, all smoke-choking plates are divided into first group of smoke-choking plate and second group of smoke-choking plate, first group of smoke-choking plate and second group of smoke-choking plate interlaced arrangement are on the relative inwall of vertical section two, all spray heads are divided into first group of spray head and second group of spray head, wherein, the spray head 41 in first group of spray head is arranged between each smoke-choking plate 21 in first group of smoke-choking plate successively; Spray head 42 in second group of spray head is arranged between each smoke-choking plate 22 in second group of smoke-choking plate successively.
Drainpipe 6 has some, and to drainpipe independently, namely the osculum 51 of the first group of smoke-choking plate osculum 52 that is communicated to 61, the second groups of smoke-choking plates of drainpipe is communicated to drainpipe 62 to the osculum on same group of smoke-choking plate by pipeline connection.
Feed pipe 9 has some, and first group of spray head is divided into two groups, and two adjacent spray heads adhere to different groups separately in first group of spray head, and each group spray head adopts independently a feed pipe 9 in order to supply water; Second group of spray head is divided into two groups, and two adjacent spray heads adhere to different groups separately in second group of spray head, and each group spray head adopts independently a feed pipe 9 in order to supply water.
Each group adopts independently feed pipe 9 water supply, when flue gas is carried out dedusting, can optionally open one or two feed pipes 9, when guaranteeing the flue gas ash removal effect, reduces energy consumption.
As shown in Figure 3, the part of body 1 is horizontal segment, in horizontal segment, is arranged in alternately about smoke-choking plate on the two relative inwalls, form exhaust gases passes between two adjacent smoke-choking plates and between the inwall of the outward flange of smoke-choking plate and horizontal segment, the bottom of horizontal segment offers some osculums 5.
Spray head is installed in the corner of exhaust gases passes, between two smoke-choking plates.The cross section of horizontal segment is rectangle.
Osculum 5 is connected with collecting-tank by drainpipe 6, and drainpipe 6 can arrange many, is communicated with different osculum 5 respectively.
All spray heads of horizontal segment are divided into two groups, and wherein one group of spray head 43 is arranged between each smoke-choking plate 23 of horizontal segment one side inwall successively, and another group spray head 44 is arranged between each smoke-choking plate 24 of horizontal segment opposite side inwall successively.
The spray head 43 that is positioned at horizontal segment one side inwall adopts independently feed pipe 93 to supply water, and the spray head 44 that is positioned at the opposite side inwall adopts independently feed pipe 94 to supply water.
When a kind of flue gas ash removal circulating purifying device of the utility model is worked, flue gas is entered in the body by gas approach, advance along the circuitous exhaust gases passes that is formed by smoke-choking plate in the body, in exhaust gases passes, contact with spray liquid, when spray liquid promotion flue gas is advanced, dust in flue gas is broken away from flue gas by the spray liquid washing coagulation, flue gas after being cleaned continues to advance along exhaust gases passes, residual dust can contact with the spray head of the next position again, residual dust partly condenses the disengaging flue gas, through after a plurality of spray heads, dust in flue gas content can be decreased to zero, the spray liquid that contains dust is recycled to sewage disposal system in the collecting-tank via osculum and drainpipe, handle clean after, supply with spray head by feed pipe and recycle.
When utilizing the utility model to go out dust in flue gas, the size of the size of smoke baffle plate, the number of smoke baffle plate, spray head and the number of spray head can be selected according to content and the flowing velocity of flue gas in exhaust gases passes of dust in the size of body, the flue gas, to reach the purpose of dust zero discharge.
Claims (10)
1. flue gas ash removal circulating purifying device, comprise the body that has gas approach and exhanst gas outlet, form circuitous exhaust gases passes by some smoke-choking plates in the body, in exhaust gases passes, be provided with some spray heads, it is characterized in that, the spray direction of described spray head and the flow of flue gas direction of this spray head present position are roughly the same, also are provided with the collecting-tank that is connected with body inside, and described spray head is connected with this collecting-tank by feed pipe.
2. flue gas ash removal circulating purifying device as claimed in claim 1, it is characterized in that, be provided with sewage purification system in the described collecting-tank, the inside of described body is communicated with the sewage inlet of this sewage purification system by drainpipe, and described spray head is communicated with the pure water inlet of this sewage purification system by feed pipe.
3. flue gas ash removal circulating purifying device as claimed in claim 2 is characterized in that, the sectional area at each position of described exhaust gases passes is all greater than the sectional area of gas approach.
4. as each described flue gas ash removal circulating purifying device of claim 1～3, it is characterized in that, at least a portion of described body is vertical section, vertically the horizontal interlaced arrangement of smoke-choking plate in the section is on two relative inwalls, the described exhaust gases passes of formation between two adjacent smoke-choking plates and between the inwall of the outward flange of smoke-choking plate and vertical section.
5. flue gas ash removal circulating purifying device as claimed in claim 4 is characterized in that, in vertical section, the smoke-choking plate outward flange has acclivitous dash flanging, offers osculum on the every smoke-choking plate.
6. flue gas ash removal circulating purifying device as claimed in claim 5, it is characterized in that, vertically in the section, all smoke-choking plates are divided into first group of smoke-choking plate and second group of smoke-choking plate, first group of smoke-choking plate and second group of smoke-choking plate interlaced arrangement are on the relative inwall of vertical section two, all spray heads are divided into first group of spray head and second group of spray head, and wherein, the spray head in first group of spray head is arranged between each smoke-choking plate in first group of smoke-choking plate successively; Spray head in second group of spray head is arranged between each smoke-choking plate in second group of smoke-choking plate successively.
7. flue gas ash removal circulating purifying device as claimed in claim 6, it is characterized in that, described feed pipe has some, first group of spray head is divided into two groups, two adjacent spray heads adhere to different groups separately in first group of spray head, and each group spray head adopts independently a feed pipe in order to supply water; Second group of spray head is divided into two groups, and two adjacent spray heads adhere to different groups separately in second group of spray head, and each group spray head adopts independently a feed pipe in order to supply water.
8. as each described flue gas ash removal circulating purifying device of claim 1～3, it is characterized in that, at least a portion of described body is horizontal segment, be arranged in alternately on the two relative inwalls about the smoke-choking plate in the horizontal segment, form described exhaust gases passes between two adjacent smoke-choking plates and between the inwall of the outward flange of smoke-choking plate and horizontal segment, the bottom of horizontal segment offers some osculums.
9. flue gas ash removal circulating purifying device as claimed in claim 4, it is characterized in that, at least a portion of described body is horizontal segment, be arranged in alternately about the smoke-choking plate of horizontal segment on the two relative inwalls, form described exhaust gases passes between two adjacent smoke-choking plates and between the inwall of the outward flange of smoke-choking plate and horizontal segment, the bottom of horizontal segment offers some osculums.
10. flue gas ash removal circulating purifying device as claimed in claim 8 is characterized in that, all spray heads of horizontal segment are divided into two groups, and same group of spray head is distributed on the same side inwall of horizontal segment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088480 CN203123741U (en) | 2013-02-27 | 2013-02-27 | Fume dedusting circulation purification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320088480 CN203123741U (en) | 2013-02-27 | 2013-02-27 | Fume dedusting circulation purification device |
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| Publication Number | Publication Date |
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| CN203123741U true CN203123741U (en) | 2013-08-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320088480 Expired - Fee Related CN203123741U (en) | 2013-02-27 | 2013-02-27 | Fume dedusting circulation purification device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203123741U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100284A (en) * | 2013-02-27 | 2013-05-15 | 易会球 | Flue gas dedusting circulating purifying device |
| CN106975297A (en) * | 2017-04-28 | 2017-07-25 | 张久明 | A kind of flue dust and the trap settings of PM2.5 10 and its method for catching |
| CN107617288A (en) * | 2017-10-25 | 2018-01-23 | 天津天清环保科技股份有限公司 | A kind of novel dust absorption plant |
-
2013
- 2013-02-27 CN CN 201320088480 patent/CN203123741U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103100284A (en) * | 2013-02-27 | 2013-05-15 | 易会球 | Flue gas dedusting circulating purifying device |
| CN106975297A (en) * | 2017-04-28 | 2017-07-25 | 张久明 | A kind of flue dust and the trap settings of PM2.5 10 and its method for catching |
| CN107617288A (en) * | 2017-10-25 | 2018-01-23 | 天津天清环保科技股份有限公司 | A kind of novel dust absorption plant |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211119 Address after: 310000 room 1505, building 7, No. 1197, Bin'an Road, Changhe street, Binjiang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Linlong Yushang Technology Co.,Ltd. Address before: 310009 room 2401, unit 4, building 15, Jiangnan Haoyuan, Binjiang District, Hangzhou City, Zhejiang Province Patentee before: Yi Huiqiu |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |