CN205925279U - Dust removing cabinet - Google Patents
Dust removing cabinet Download PDFInfo
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- CN205925279U CN205925279U CN201620923228.2U CN201620923228U CN205925279U CN 205925279 U CN205925279 U CN 205925279U CN 201620923228 U CN201620923228 U CN 201620923228U CN 205925279 U CN205925279 U CN 205925279U
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- filter layer
- cascade filter
- water
- dust removal
- cabinet
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Abstract
The utility model discloses a dust removing cabinet, its technical scheme main points are, including the cabinet body, cabinet body top is equipped with the fan, and cabinet body bottom is equipped with the plash, is equipped with the dust absorption mouth that is used for the air inlet on the lateral wall of the cabinet body, the cabinet is internal be equipped with be located the top and drive rivers along favouring the horizontally direction and form the cascade one -level cascade filter layer, be located the second grade cascade filter layer of below, and satisfy the position of one -level cascade filter layer, second grade cascade filter layer: second grade cascade filter layer, one -level cascade filter layer are passed through in proper order to distinguished and admirable the entering from the dust absorption mouth. After one -level cascade filter layer formed slope form cascade, in hydroenergy that the oblique flow that inclines came out enough directly flowed the water catch bowl, the water in the water catch bowl passed through water distribution hole and flows second grade cascade filter layer, then formed once more and to be used for the cascade that removes dust, and dust removing cabinet whole just so only need just can supply water to the cascade filter layer of two -stage at a play water source, and one rivers can remove dust many times, and the utilization ratio of rivers is higher.
Description
Technical field
This utility model is related to air cleaner, particularly to a kind of dust removal cabinet.
Background technology
During stone material polishing processing, cutting machine, buffing machine etc. can produce substantial amounts of dust during work,
Certainly some process equipments of others etc. also can produce some suitable dust, if removing not in time, by equipment
The healthy of the operator on side can produce considerable influence.
Existing notification number is that the Chinese patent of CN103706217A discloses a kind of Sanding Room dust removal cabinet, and it utilizes blower fan,
The air of process equipment periphery is evacuated, is pumped into the gas coming through cascade defecator, water smoke defecator and then complete
Become the effect of dedusting.But it needs cascade defecator is supplied water respectively with water smoke defecator in face in structure, extra
Different waterway pipes are installed, then the water supply of different pressures are carried out to both simultaneously, manufacture structure complexity more, water
, once using falling in the water storage tank of bottom, current utilization rate is relatively low for stream.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of dust removal cabinet, and it is using catchmenting
Slot structure can right single water source supply two-stage cascade filter layer, simplify structure, improve current utilization rate.
Above-mentioned technical purpose of the present utility model technical scheme is that：A kind of dust removal cabinet, including
Cabinet, described cabinet top is provided with the blower fan for convulsion, and described bottom of cabinet bulk is provided with the plash accepting waste water, described cabinet
Side wall be provided with suction port for air intake, be provided with described cabinet for the distinguished and admirable two grades of cascade filter layers sequentially passing through, one
Level cascade filter layer, described one-level cascade filter layer is located above two grades of cascade filter layers, and sets above one-level cascade filter layer
Have for toward one-level cascade filter layer water filling thus forming the outlet pipe of cascade, described one-level cascade filter layer drives current edge to incline
Tiltedly in the direction flowing of level, it is provided with accepting from the first cascade filter layer outflow water stream in cabinet and filters toward two grades of cascades
The water leg that layer supplies water.
By technique scheme, current are discharged on one-level cascade filter layer outlet pipe, one-level cascade filter layer shape
After becoming skewed cascade, tilt the water energy flowing out and enough flow directly in water leg, the water in water leg flows to two grades of cascades
Filter layer, then forms again and can be used for the cascade of dedusting, and so whole dust removal cabinet just only needs to one and go out water source just can
The cascade filter layer of two-stage is supplied water, one current can repeatedly dedusting, the utilization rate of current is higher, is not affecting dedusting
While effect, simplify structure, reduce for water delivery energy resource consumption.
This utility model is further arranged to：Described outlet pipe quantity is many and is evenly distributed on one-level cascade filter layer
Top, is provided with multiple directions leaking hole directed downwardly above described outlet pipe.
By technique scheme, the outlet pipe of multiple arrangements coordinates the leaking hole above it, can be in one-level water
What the top of curtain filter layer was extra defines a drops cascade, increase air-flow by when time of contact with current,
Absorb the particle of residual in air-flow further, improve the dust removing effects of whole dust removal cabinet.
This utility model is further arranged to：Described outlet pipe quantity is many and is evenly distributed on one-level cascade filter layer
Top, described outlet pipe is provided with multiple atomizers by atomization of water current and down spraying.
By technique scheme, extra increases atomizer on outlet pipe, and atomizer filters in one-level cascade
Layer top forms water smoke, and the dust removing effects of spray pattern water droplet are better than the direct basis of current, can be by one-level, two grades of cascade mistakes
The more small particle that filtering layer can not remove, improves the dedusting standard of dust removal cabinet.The water smoke gushing out can drop
Run up on one-level cascade filter layer, thus forming cascade, thus allowing the two-stage cascade filter layer of lower section have stable source of water to enter
Row dedusting works.
This utility model is further arranged to：Described two grades of cascade filter layers drive current vertically oblique flow.
By technique scheme, two grades of cascade filter layers of current oblique flow are made to be compared to vertical merely, but solid
Under fixed vertical height, the length of its cascade becomes longer, just relatively fewer by gas flow under such current unit area, from
And more abundant, the dust removing effects of the lifting first step that cascade is contacted with gas.
This utility model is further arranged to：Described one-level cascade filter layer, two grades of cascade filtering layer structures are identical and equal
Including multiple water curtain plates being superimposed in the horizontal direction, there is, between described water curtain plate, the gap passed through for current, air-flow, and cascade
Plate is provided with for keeping the fixing projection in gap and draw-in groove.
By technique scheme, the gap between water curtain plate can allow current pass through from therebetween, and air-flow also can simultaneously
Pass through between water curtain plate, both sufficiently can be mixed such that it is able to complete the function of dedusting in gap.Water itself
There is certain surface tension, and have blower fan to provide enough negative pressure, current can be along gap flowing seldom from cascade
Separate on plate.
This utility model is further arranged to：Described water curtain plate is wave-like along the section in overlapping direction.
By technique scheme, wavy cross sectional shape is so that water curtain plate can flow through more in the area of unit
Many current, also extend the time by gap for the gas, so can increase the dust removing effects on water curtain plate, and water simultaneously
Stream is also larger with the adhesion area of water curtain plate, and therefore current are also more difficult to depart from from the gap of water curtain plate.
This utility model is further arranged to：Gap length between described water curtain plate is 5 ~ 20mm.
By technique scheme, the water curtain plate under this gap, the negative pressure of the surface tension of current and blower fan in cooperation,
Current all can be filled completely substantially by gap, and unnecessary current also can drop down from one-level cascade filter layer, drops down
Current can be mutually mixed with the air of lower section, and then extra between one-level cascade filter layer and two grades of cascade filter layers
Increase can be with the structure of dedusting.If the too small current that are easily caused in gap are difficult to drippage from gap, and the effect in negative pressure
Under, content in gap for the current is less, and dust removing effects can be led to inadequate.If gap is excessive, it is easily caused substantial amounts of water
Stream drips out in gap, also in turn results in current in gap inadequate with the mixing dust removing effect of air-flow.
This utility model is further arranged to：It is provided with sealing coat, the knot of described sealing coat between described blower fan and outlet pipe
Structure is consistent with one-level cascade filter layer, two grades of cascade filtering layer structures.
By technique scheme, sealing coat plays the effect hindering steam excessive, in the presence of blower fan, in rising
Air-flow can carry the substantial amounts of globule, and these globules can condense in above the water curtain plate of sealing coat when through sealing coat,
Then formed after large water drop toward following drippage, and then decrease the minimizing of the internal water yield, it is to avoid moisturizing repeatedly.
This utility model is further arranged to：The bottom surface of described plash is incline structure.
By technique scheme, skewed structure can play the effect drawing impurity in, some larger granule meetings
Flow to the relatively low side of plash with gravity, meanwhile, the larger granule content in the higher side of plash is just less.
This utility model is further arranged to：It is connected with the of a relatively high one side in described plash bottom surface with outlet pipe even
Logical suction hose, described suction hose is provided with the pump machine for driving liquid flowing, and described plash bottom surface is relatively low
Blow-off pipe is connected on one side.
By technique scheme, converge in the relatively low side in plash bottom surface because impurity is substantial amounts of, so
Its using blow-off pipe can discharge more quick, thoroughly.And the of a relatively high side impurity content in plash bottom surface is less, directly
Connect be circulated with suction hose can improve top outlet pipe spray be all more cleaning water source.
In sum, this utility model having the beneficial effect that in contrast to prior art：1st, overall water source structure is single, water
The utilization rate of stream is higher；2nd, multigroup cascade cooperation water droplet, water smoke structure, better dust removal effect in cabinet；3rd, water curtain plate forms
Cascade filtering layer structure is simple, and filter effect preferably, reduces the production cost of dust removal cabinet.
Brief description
Fig. 1 is the structure chart of embodiment one；
Fig. 2 is embodiment one sectional view vertically, prominent cabinet internal structure；
Fig. 3 is current, the schematic diagram of air flow direction on one-level cascade filter layer in embodiment one；
Fig. 4 is current, the schematic diagram of air flow direction on two grades of cascade filter layers in embodiment one；
Fig. 5 is the structure chart of the single water curtain plate of embodiment one；
Fig. 6 is the structure chart within embodiment one plash；
Fig. 7 is the sectional view of embodiment two, prominent cabinet internal structure.
Reference：1st, cabinet；11st, suction port；12nd, air outlet；13rd, blower fan；14th, water leg；141st, tapping hole；15、
Plash；21st, sealing coat；22nd, one-level cascade filter layer；23rd, two grades of cascade filter layers；24th, chimb；3rd, water curtain plate；31st, convex
Rise；32nd, draw-in groove；41st, blow-off pipe；42nd, suction hose；43rd, pump machine；44th, outlet pipe；441st, leaking hole；45th, atomizer.
Specific embodiment
Below in conjunction with accompanying drawing, this utility model is described in further detail.
Embodiment one,
As shown in the figures 1 and 2, a kind of dust removal cabinet, including cabinet 1, be provided with above the side wall of cabinet 1 one larger rectangular
The suction port 11 of shape, the top of cabinet 1 is provided with multiple blower fans 13, and an air outlet 12, each air-out are arranged at the top of cabinet 1
Mouth 12 blower fans 13 installed above, blower fan 13 rotates, and air-flow passes into cabinet 1 inside and then from air outlet from suction port 11
12 out.
As shown in Fig. 2 being sealing coat 21,22, two grades of cascade mistakes of one-level cascade filter layer from top to down respectively inside cabinet 1
Filtering layer 23, uppermost sealing coat 21 is in horizontally disposed, and cabinet 1 internal cavities are split by level.And one-level cascade filter layer
22 is being obliquely installed along horizontal plane, between angle of inclination a can be 10 ~ 30 degree, and two grades of cascade filter layers 23
It is to tilt along vertical plane, angle of inclination b can also be for, between 5 ~ 20 degree, having between one-level cascade filter layer 22, sealing coat 21
Many equally distributed outlet pipes 44 side by side, outlet pipe 44 has leaking hole 441 above, and current out enter from leaking hole 441
To on one-level cascade filter layer 22.Current are also the angle of inclination along 22, two grades of cascade filter layers 23 of one-level cascade filter layer
Flowing.
As shown in Fig. 2 or Fig. 3 or Fig. 4,22, two grades of cascade filter layers 23 of one-level cascade filter layer also have sealing coat 21
Structure is all consistent, is all water curtain plate 3 composition that all polylith plastics are made, water curtain plate 3 overlaps to form a cuboid
The structure of shape, it is all cuboid substantially that 22, two grades of cascade filter layers 23 of one-level cascade filter layer also have the shape of sealing coat 21
Shape.22, two grades of cascade filter layers 23 of one-level cascade filter layer, sealing coat 21 are all cabinets 1 on the inwall be stuck in cabinet 1
Inwall above be provided with chimb 24, can from upper and lower both sides by 22, two grades of cascade filter layers 23 of one-level cascade filter layer, isolation
Layer 21 blocks.This fixed form, because water curtain plate 3 itself has bendable folding endurance, when being mounted and taken out also all more
Convenience.
, between water curtain plate 3, mutually there is gap in water curtain plate 3 overlap extension each other, gap be used to by current with
Air, gap length is 5 ~ 20mm, and this level of gap coordinates the surface tension of upper current and the negative pressure of blower fan 13, current
Whole gaps all can be filled full, also can drop down from one-level cascade filter layer 22 if there are unnecessary current.
Each piece of water curtain plate 3 along overlapping direction section be S shape waveform, current flow between wavy gap, its
The distance by gap for the air-flow being extended, thus mixing with current fully, improving dust removing effects.
Wherein, as shown in figure 5, being wholely set raised 31 and draw-in groove 32 on water curtain plate 3, water curtain plate 3 each other is convex
Rise 31 with draw-in groove 32 mutual clamping so that water curtain plate 3 can keep being relatively fixed, its mutual gap can keep certain,
Mutually plug together when fixing and just may be used.Water curtain plate 3 is for water white, in use, if contained on water curtain plate 3
When more impurity, water curtain plate 3 will present the colors such as yellow, and water curtain plate 3 can directly be taken out flushed by people
Afterwards reinstall back i.e. reusable.
In conjunction with shown in Fig. 2, Fig. 3, Fig. 4, the flow direction in dust removal cabinet dedusting is as follows：Have above one-level cascade filter layer 22
Outlet pipe 44, outlet pipe 44 has leaking hole 441 above, and current from leaking hole 441 out, drop in rectangular one-level cascade mistake
On the face of filtering layer 22 length and width composition, above the flow direction of current, the flow direction of air-flow, as shown in Figure 3.It is provided with cabinet 1 simultaneously
One water leg 14, the relatively low side of one-level cascade filter layer 22 is located on water leg 14, from one-level cascade filter layer 22
The current flowing down just are pooled to water leg 14 the inside.And two grades of its upper surfaces of cascade filter layer 23 are mounted in water leg 14
Bottom, a longer tapping hole 141 is arranged at water leg 14 bottom simultaneously, and the water in water leg 14 spills from tapping hole 141,
Then drop onto on the wide high face constituting on two grades of cascade filter layers 23, the flow direction on two grades of cascade filter layers 23, air-flow
Flow direction, as shown in Figure 4, so far same current, through dedusting twice, flow out from two grades of cascade filter layer 23 bottoms.Due to one
Level cascade filter layer 22 is to be made up of the water curtain plate 3 of overlap, and it leaves gap each other, stream in top outlet pipe 44
The water yield out is larger, and when one-level cascade filter layer 22 is filled with much the same, current can be from one-level cascade filter layer 22
Down drip, form water curtain c.
The air motion process for dedusting of this dust removal cabinet is as follows：Blower fan 13 starts, and is formed stronger at suction port 11
Negative pressure, gap between two grades of cascade filter layers 23 for the flow level, along vertically to tilt current from two grades of cascade mistakes
Gap between filtering layer 23 is flow through and is carried out the first time dedusting to air-flow, and ramp-like configuration can extend the unit vertical length therapeutic method to keep the adverse QI flowing downwards
Stream passes through area.After two grades of cascade filter layers 23, the water droplet in water curtain c, water curtain c can remove part gas to air-flow
The particle of stream.Air-flow is more backward through one-level cascade filter layer 22, the current of horizontal tilt shape and the vertical air-flow rising
It is mutually mixed and carry out dedusting.Last gas rises through sealing coat 21, discharges from air outlet 12, some steam in sealing coat 21
A droplet backflow part can be condensed into, reduce the loss of cabinet 1 internal steam.
Simultaneously as shown in figure 5, cabinet 1 bottom is provided with plash 15, for accepting 22, two grades of cascades of one-level cascade filter layer
The water falling down on filter layer 23, the bottom surface of plash 15 is incline structure of both the high side and low side.Plash 15 bottom surface phase
Connect blow-off pipe 41 on relatively low one side, turn on the valve on blow-off pipe 41 and just the impurity of plash 15 bottom can be carried out
Discharge.Meanwhile, plash 15 bottom surface of a relatively high on be connected with the suction hose 42 connecting with outlet pipe 44, suction hose 42
On be provided with for drive liquid flowing pump machine 43.
Water cycle process in cabinet 1 is as follows：Outlet pipe 44 current down drop, through one-level cascade filter layer 22, two
Level cascade filter layer 23 carries out dedusting, drops to above plash 15, then suction hose 42 is used for driving current toward outlet pipe 44
Flowing, and then can again drip, continue dedusting.The blow-off pipe 41 of opening of timing carries out blowdown to impurity, then again toward hydrops
Clear water is supplemented in pond 15.
Dedusting experiment is carried out to dust removal cabinet, just dust removal cabinet carries out dedusting work in the environment of being placed in different dusts content respectively
Make, and the air-flow that dedusting is finished carries out dust content detection.
Test one, dust removal cabinet is placed in 1000 mg/m3Dust atmosphere under, the air-flow that dedusting finishes is detected, obtains
To in air-flow, dust content is 50 mg/m3.
Test two, dust removal cabinet is placed in 1500 mg/m3Dust atmosphere under, the air-flow that dedusting finishes is detected, obtains
To in air-flow, dust content is 70 mg/m3.
Test three, dust removal cabinet is placed in 2000 mg/m3Dust atmosphere under, the air-flow that dedusting finishes is detected, obtains
To in air-flow, dust content is 96mg/m3.
It can be seen that the dust removing effects of dust removal cabinet can reach 95%, and the dust atmosphere in this scope simulates stone material substantially
Dust atmosphere when processing, dust major part therein can all be removed by dust removal cabinet, allows the gas emitting reach state
Family's standard.
Embodiment two,
As shown in fig. 6, a kind of dust removal cabinet, embodiment two is with the difference of embodiment one, denomination on every outlet pipe 44
Outer increased multiple atomizers 45, and atomizer 45 is uniformly arranged, and atomizer 45 is above one-level cascade filter layer 22
Form water smoke d, water smoke d drops into formation cascade in one-level cascade filter layer 22, carries out dedusting.The dedusting effect of spray pattern water droplet
Fruit is better than cascade, and it can remove the more small particle that can not remove in one-level, two grades of cascade filter layers, carry
The dedusting standard of high dust removal cabinet.
With reference in embodiment one, dedusting experiment is carried out to the dust removal cabinet in embodiment two.
Test four, dust removal cabinet is placed in 1000 mg/m3Dust atmosphere under, the air-flow that dedusting finishes is detected, obtains
To in air-flow, dust content is 23 mg/m3.
Test five, dust removal cabinet is placed in 1500 mg/m3Dust atmosphere under, the air-flow that dedusting finishes is detected, obtains
To in air-flow, dust content is 41 mg/m3.
Test six, dust removal cabinet is placed in 2000 mg/m3Dust atmosphere under, the air-flow that dedusting finishes is detected, obtains
To in air-flow, dust content is 75 mg/m3.
It can be seen that the dust removing effects of the dust removal cabinet in embodiment two are higher than embodiment one, and the incrementss of production cost
It is not very high, allow the gas cleannes emitting higher simultaneously yet.
The above is only exemplary embodiment of the present utility model, not for restriction protection model of the present utility model
Enclose, protection domain of the present utility model is determined by appended claim.
Claims (10)
1. a kind of dust removal cabinet, including cabinet (1), described cabinet (1) top is provided with the blower fan (13) for convulsion, described cabinet
(1) bottom is provided with the plash (15) accepting waste water, and the side wall of described cabinet (1) is provided with the suction port (11) for air intake,
It is characterized in that：It is provided with for the distinguished and admirable two grades of cascade filter layers (23) sequentially passing through, one-level cascade filter layer (22) in described cabinet,
Described one-level cascade filter layer (22) is located above two grades of cascade filter layers (23), and is provided with above one-level cascade filter layer (22)
For toward one-level cascade filter layer (22) water filling thus forming the outlet pipe (44) of cascade, described one-level cascade filter layer (22) is driven
Dynamic current, along the direction flowing of the level that favours, are provided with cabinet (1) and accept the water flowing out from the first cascade filter layer (22)
Stream and the water leg (14) supplying water toward two grades of cascade filter layers (23).
2. dust removal cabinet according to claim 1, is characterized in that：Described outlet pipe (44) quantity is many and is evenly distributed on
Above one-level cascade filter layer (22), described outlet pipe (44) is provided with multiple directions leaking hole directed downwardly (441) above.
3. dust removal cabinet according to claim 1, is characterized in that：Described outlet pipe (44) quantity is many and is evenly distributed on
Above one-level cascade filter layer (22), described outlet pipe (44) is provided with multiple atomizers by atomization of water current and down spraying
(45).
4. dust removal cabinet according to claim 1, is characterized in that：Described two grades of cascade filter layers (23) drive current along vertically
Direction oblique flow.
5. dust removal cabinet according to claim 1, is characterized in that：Described one-level cascade filter layer (22), two grades of cascades filter
Layer (23) structure is identical and all includes multiple water curtain plates (3) being superimposed in the horizontal direction, exists and supply water between described water curtain plate (3)
The gap that stream, air-flow pass through, and water curtain plate (3) is provided with projection (31) and draw-in groove (32) for keeping gap fixation.
6. dust removal cabinet according to claim 5, is characterized in that：Described water curtain plate (3) is ripple along the section in overlapping direction
Shape wave shape.
7. dust removal cabinet according to claim 5, is characterized in that：Gap length between described water curtain plate (3) is 5 ~ 20mm.
8. dust removal cabinet according to claim 5, is characterized in that：It is provided with isolation between described blower fan (13) and outlet pipe (44)
Layer (21), the structure of described sealing coat (21) is consistent with one-level cascade filter layer (22), two grades of cascade filter layer (23) structures.
9. dust removal cabinet according to claim 1, is characterized in that：The bottom surface of described plash (15) is incline structure.
10. dust removal cabinet according to claim 9, is characterized in that：On the of a relatively high one side in described plash (15) bottom surface
It is connected with the suction hose (42) connecting with outlet pipe (44), described suction hose (42) is provided with the pump for driving liquid flowing
Machine (43), described plash (15) bottom surface relatively low on connect blow-off pipe (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620923228.2U CN205925279U (en) | 2016-08-20 | 2016-08-20 | Dust removing cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620923228.2U CN205925279U (en) | 2016-08-20 | 2016-08-20 | Dust removing cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205925279U true CN205925279U (en) | 2017-02-08 |
Family
ID=57951586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620923228.2U Expired - Fee Related CN205925279U (en) | 2016-08-20 | 2016-08-20 | Dust removing cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205925279U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861320A (en) * | 2017-04-21 | 2017-06-20 | 广西贺州市金海乐器有限公司 | A kind of guitar polishing workshop Double-layer water curtain circulating-dedusting system |
| CN110180313A (en) * | 2019-07-10 | 2019-08-30 | 衡水圣凯环保设备有限公司 | Dust catching structure and application have the device of the structure |
| CN113230792A (en) * | 2021-06-03 | 2021-08-10 | 台州旭钧环保科技有限公司 | Wet dust remover |
-
2016
- 2016-08-20 CN CN201620923228.2U patent/CN205925279U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106861320A (en) * | 2017-04-21 | 2017-06-20 | 广西贺州市金海乐器有限公司 | A kind of guitar polishing workshop Double-layer water curtain circulating-dedusting system |
| CN110180313A (en) * | 2019-07-10 | 2019-08-30 | 衡水圣凯环保设备有限公司 | Dust catching structure and application have the device of the structure |
| CN113230792A (en) * | 2021-06-03 | 2021-08-10 | 台州旭钧环保科技有限公司 | Wet dust remover |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20200820 |
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| CF01 | Termination of patent right due to non-payment of annual fee |