CN105498424B - A kind of dust arrester - Google Patents
A kind of dust arrester Download PDFInfo
- Publication number
- CN105498424B CN105498424B CN201610010654.1A CN201610010654A CN105498424B CN 105498424 B CN105498424 B CN 105498424B CN 201610010654 A CN201610010654 A CN 201610010654A CN 105498424 B CN105498424 B CN 105498424B
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- water tank
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/10—Combinations of devices covered by groups B01D45/00, B01D46/00 and B01D47/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2221/00—Applications of separation devices
- B01D2221/16—Separation devices for cleaning ambient air, e.g. air along roads or air in cities
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- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The present invention relates to technical field of dust removal equipment, specifically a kind of dust arrester, exhaust outlet and water filling port are provided with water tank, the bottom of water tank is provided with sewage draining exit, air inlet pipe one end is connected to gas-distributing pipe, the other end is stretched out outside water tank, and gas-distributing pipe, gas separating net, adsorption net and air-flow sieve plate are disposed with from bottom to top in water tank；Gas-distributing pipe is provided with and gas-distributing pipe insertion, uniform air dispelling hole in setting in a row on gas-distributing pipe；Uniform mesh is set on gas separating net, gas separating net top is provided with the adsorption zone being made up of adsorption net, and adsorption net is divided into upper and lower two-layer, and two-layer adsorption net is supported by support frame and connected；Air-flow sieve plate is made up of the material less than water density, and the sieve aperture of air-flow sieve plate is uniform cylindricality sieve aperture and up/down perforation in air-flow sieve plate；The shape of cross section of gas separating net, the shape of air-flow sieve plate and water tank matches, and air-flow sieve plate activity is placed in water tank, and water filling port is arranged on water tank top.It has the advantages that simple structure, be easy to maintenance, efficiency of dust collection it is high.
Description
Technical field
The present invention relates to technical field of dust removal equipment, more specifically a kind of dust arrester.
Background technology
Many dust can be produced in regions such as production plant area, roads, and dust knows from experience the very big harm of generation to people, it is special
In the case that not current air ambient is very bad.To solve to remove dust problem, also production creates manavelins and takes people
Obtained certain effect, but or these equipment make complicated, device fabrication is expensive, and auxiliary material wastes serious, otherwise nothing
Big workload carries out dedusting to method on a large scale.It is also to cure the symptoms, not the disease for the method for some watering dedusting depositing dusts, especially exists
On road, by watering, some airborne dusts can actually be temporarily fixed on ground, after after aqueous vapor evaporation, by the continuous of wheel
Roll, trickleer airborne dust can be become, endanger bigger.
The content of the invention
The technical problems to be solved by the invention be to provide a kind of simple structure, be easy to maintenance, efficiency of dust collection it is high, operation effect
Really good dust arrester.
In order to solve above-mentioned technical problem, the present invention is achieved by the following scheme：Dust arrester, including water tank,
Gas-distributing pipe, air inlet pipe, gas separating net, air-flow sieve plate, sewage draining exit, water filling port and exhaust outlet, are provided with exhaust outlet and water filling on water tank
Mouthful, the bottom of water tank is provided with sewage draining exit, and air inlet pipe one end is connected to gas-distributing pipe, and the other end is stretched out outside water tank, it is characterised in that：
Gas-distributing pipe, gas separating net, adsorption net and air-flow sieve plate are disposed with from bottom to top in water tank；The gas-distributing pipe is in set in a row,
It is provided with gas-distributing pipe and gas-distributing pipe insertion, uniform air dispelling hole；The gas separating net is provided with uniform mesh, in gas separating net
Top is provided with the adsorption zone being made up of adsorption net, and the adsorption net is divided into upper and lower two-layer, and two-layer adsorption net is supported by support frame
Connection；The air-flow sieve plate is made up of the material less than water density, and the sieve aperture of air-flow sieve plate is uniform cylindricality sieve aperture, cylindricality
Sieve aperture up/down perforation is in air-flow sieve plate；The shape of cross section of the gas separating net, the shape of air-flow sieve plate and water tank matches, air-flow
Sieve plate activity is placed in water tank, and water filling port is arranged on water tank top.
As further preferred scheme of the invention, certain resilient flexibility is provided between described two-layer adsorption net
Adsorption bar is provided with adsorbing sphere.
Used as further preferred scheme of the invention, one end that air inlet pipe is stretched out outside water tank is connected to pretreatment box；Institute
State pretreatment box top and be provided with air draft pipe, air exhauster is provided with air draft pipe；Air draft pipe outlet port is pre- with entrance
The air inlet pipe end for the treatment of box is connected, and air draft pipe inlet port is arranged at the side of pretreatment box；In pretreatment box, in exhausting
Conduit air inlet rectifies lower section and is provided with mud chamber, and air draft pipe inlet port obliquely downward is provided with sweep-up pipe, sweep-up pipe
One end open is arranged at the bottom of pretreatment box and is communicated with the external world, and another end opening of sweep-up pipe is located at air draft pipe air inlet
End obliquely downward.
Used as further preferred scheme of the invention, the pretreatment box is arranged with dust suction bucket, and dust suction bucket one end is opened
Mouth is connected with sweep-up pipe, and runner and obstruct bar side by side are provided with the opening of the dust suction bucket other end.
Used as further preferred scheme of the invention, the pretreatment box bottom is provided with hair-dryer, and hair-dryer passes through
Blower is connected to the position for intercepting bar, and described dust suction bucket is connected to pretreatment box by hanging spring.
As further preferred scheme of the invention, it is provided with filter bag net in described pretreatment box, filter bag net is opened
Mouth is connected to sweep-up pipe by parted hair pipe, and the air draft pipe inlet port is provided with protection network.
As further preferred scheme of the invention, splash proof network is additionally provided with described water tank, splash proof network is located at gas
Above stream sieve plate, water gage is provided with outside water tank；Described pretreatment box is transparent panel in expansion chamber side, and expansion chamber bottom sets
There is check valve.
The beneficial effect of technical solution of the present invention is：Dust arrester of the present invention, water tank water-filling, water covers gas-distributing pipe, point gas
Net.The air-flow containing dust is broken up by air dispelling hole on gas-distributing pipe, is divided into a plurality of little airflow, increase air-flow connects with water
Time and scope are touched, purification efficiency is improve.Air-flow is divided air-flow again upwardly through gas separating net by the aperture of gas separating net
From so that air-flow becomes, more carefully or as minute bubbles, to increase the contact range with water, improves clean-up effect.In adsorption zone, by
Adsorption net, adsorption bar or adsorbing sphere collectively promote air-flow and are further contacted with water, adsorb dust again from gas in water.
Air-flow sieve plate is bubbled through the water column, and the cylindricality sieve aperture of insertion is set on air-flow sieve plate, can cause scattered air-flow and bubble weight in water
By sieve aperture, this setup is more beneficial for the more fully contact of air-flow and water, further purified water to the new little airflow that formed
In dust.
As above-mentioned technical scheme, dedusting work can just be proceeded by changing water with Reusability, it is not necessary to
Too many waste auxiliary material.Simultaneously as a dust arrester, together with the setting of other servicing units, preferably cleaning can be completed
Effect.Such as, said apparatus can be installed on mobile device, moves dedusting, it is also possible on automobile, be moved
Dust on dynamic cleaning road.
For the setting of technical scheme in pretreatment box and pretreatment box, big impurity can be removed, prevent from blocking scattered gas
Hole, influences the scattered gas of air-flow, influences cleaning effect.It is located above air-flow sieve plate for splash proof network and is set primarily to mobile
During, water quality is unlikely to swing outside water tank；The setting of water gage can observe the water level of water tank, can be according to the height of water level
Situation to attracting dust in water quality carries out anticipation, and then the water time is changed in determination；Pretreatment box is clear sheet in expansion chamber side,
In order to situation in inspection box, the check valve of expansion chamber bottom can remove the big impurity for settling down.
To sum up, dust arrester of the present invention, its simple structure, be easy to maintenance, efficiency of dust collection is high, operational effect is good, be suitable to
Promotion and implementation.
Brief description of the drawings：
Specific embodiment of the invention is described in further detail below in conjunction with the accompanying drawings, wherein：
Fig. 1 is the structural representation of dust arrester of the present invention（Partly cut-away）；
Fig. 2 is dust arrester vertical profile structural representation shown in Fig. 1（In order to clearly express, the structure of label 11 is omitted）；
Fig. 3 is the A-A of dust arrester shown in Fig. 1 to vertical profile structural representation；
Fig. 4 be dust arrester of the present invention adsorption zone in adsorption net and adsorption bar structural representation（In order to clearly express,
Omit upper strata adsorption net 7.1 and partial adsorbates bar 7.2）；
Fig. 5 is the structural representation of the air-flow sieve plate of dust arrester of the present invention（Partly cut-away）.
Label declaration in figure：1-water tank；2-gas-distributing pipe；2.1-air inlet pipe；2.2-air draft pipe；3-gas separating net；
4-air-flow sieve plate；4.1-sieve aperture；5-water filling port；6-exhaust outlet；7-adsorption zone；7.1-adsorption net；7.2-adsorption bar；
7.3-support frame；8-splash proof network；9-air dispelling hole；10-sewage draining exit；11-water gage；12-pretreatment box；12.1-transparent
Plate；13-blower fan；14-protection network；15-consider landing net；16-manage separately；17-sweep-up pipe；18-dust suction bucket；19-blowing
Pipe；20-hair-dryer；21-runner；22-mud chamber；23-individual event valve；24-hang spring；25-intercept bar.
Specific embodiment
With reference to Figure of description 1-5, dust arrester includes water tank 1, gas-distributing pipe 2, air inlet pipe 2.1, gas separating net 3, airflow screen
Plate 4, sewage draining exit 10, water filling port 5 and exhaust outlet 6, are provided with exhaust outlet 6 and water filling port 5 on water tank 1, the bottom of water tank 1 is provided with
Sewage draining exit 10, one end of air inlet pipe 2.1 is connected to gas-distributing pipe 2, the other end stretch out in the outer upper of water tank 1, water tank 1 from bottom to top according to
Secondary to be provided with gas-distributing pipe 2, gas separating net 3 and air-flow sieve plate 4, gas-distributing pipe 2 is provided with and gas-distributing pipe 2 in setting in a row on gas-distributing pipe 2
The air dispelling hole 9 of insertion, the shape of cross section of gas separating net 3, the shape of air-flow sieve plate 4 and water tank 1 matches, the activity of air-flow sieve plate 4
It is connected to water tank 1.
Air-flow sieve plate 4 is made up of the material less than water density, and its thickness can be adjusted moderately according to actual needs, be had thereon
Uniform sieve aperture 4.1, sieve aperture 4.1 is cylindricality sieve aperture, and cylindricality sieve aperture up/down perforation is in air-flow sieve plate 4.Water filling is set on water tank 1
Mouth 5, air dispelling hole 9 is uniformly arranged on gas-distributing pipe 2, and the opening of air dispelling hole 9 is in the lower section of gas-distributing pipe 2.Gas separating net 3 is provided with uniform
Mesh, the adsorption zone 7 being made up of adsorption net 7.1 is provided with the top of gas separating net 3, and 7.1 points of adsorption net is upper and lower two-layer, and two-layer is inhaled
Attached net 7.1 supports connection by support frame 7.3.Adsorption bar 7.2 is provided between two-layer adsorption net 7.1, it is also possible to place adsorbing sphere,
Or other adsorbents, such as honeycomb Attraction block etc..Adsorption bar 7.2 is flexible strip, and two ends are connected to upper and lower adsorption net 7.1,
Have certain elasticity, air-flow by when produce swing, strengthen adsorption effect.Splash proof network 8, splash proof network 8 are additionally provided with water tank 1
Above air-flow sieve plate 4, water gage 11 is provided with outside water tank 1.
During work, washed by water in water tank 1 by water filling port 5 so that water covers gas-distributing pipe 2, gas separating net 3 and adsorption zone 7, contains
The air for having dust, fine impurity is entered by air inlet pipe 2.1, then by air dispelling hole 9 uniform on gas-distributing pipe 2, to water body
Middle impact air-flow, in the presence of air dispelling hole 9, is divided into stingy fluidization tower, and stingy fluidization tower can be contacted fully with water.Gas exists
Sufficiently contacted with water during rising, air is cleaned by water so that dust, impurity in water are circulated water
In, play a part of purify air.When the opening of air dispelling hole 9 is arranged on the lower section of gas-distributing pipe 2, the gas gone out from air dispelling hole 9
Stream can continue to be impacted downwards, increase time of contact of the air with water and scope, increase cleaning performance of the water to air.Inhale
Attached area 7 is arranged on gas separating net 3, and gas separating net 3 is broken up to air-flow so that produce more air-flow posts and bubble, air-flow it is upper
Rise by adsorption zone 7, soft adsorption bar 7.2 is in addition to the impurity that itself is carried out in absorption air, moreover it is possible to further by pendulum
It is dynamic to increase adsorption bar 7.2 and air-flow, the contact of bubble, increase adsorption effect.Adsorption bar 7.2 also can further change simultaneously
The cleaning performance of the motion track of air-flow, bubble, contact of the increase with water, and then fortified water.
Can be made up of the material less than water density in air-flow sieve plate 4, its thickness is freely adjustable, air-flow sieve plate 4 is floated
On water body, because the infiltration of water and air-flow rise the moisture content for carrying so that the inwall of sieve aperture 4.1 contains a certain amount of moisture content, from
The air-flow and bubble rushed in water, by the uniform sieve aperture 4.1 of air-flow sieve plate 4, the sieve aperture 4.1 of setting can further increase water
Absorption to impurity in air.
In order to prevent the splashing of the water of water tank 1, splash proof network 8 is additionally provided with water tank 1, splash proof network 8 is located at air-flow sieve plate 4
Above.When being added water to water tank 1, can be observed by being provided with water gage 11 outside water tank 1, while true in water gage 11
After fixed initial amount of water, because the impurity in air is dissolved in water so that water level rises, is risen according to water gage 11 and be used for judging
The muddy degree of water quality in water tank 1, and then determine whether to change water.
Dust arrester, one end that can be stretched out outside water tank 1 in air inlet pipe 2.1 is connected to pretreatment box 12；On pretreatment box 12
Portion is provided with air draft pipe 2.2, air draft pipe 2.2 and is provided with air exhauster 13；The outlet port of air draft pipe 2.2 is located with into pre-
The one end for managing the air inlet pipe 2.1 of case 12 is connected, and the inlet port of air draft pipe 2.1 is arranged at the side of pretreatment box 12；Pre- place
In reason case 12, mud chamber 12.1 is provided with immediately below the inlet port of air draft pipe 2.1, it is oblique in the inlet port of air draft pipe 2.2
Lower section sets sweep-up pipe 17, and the one end open of sweep-up pipe 17 is arranged at the bottom of pretreatment box 12 and is communicated with the external world, sweep-up pipe
17 another end opening is located at the inlet port obliquely downward of air draft pipe 2.2.Pretreatment box 12 is arranged with dust suction bucket 18, dust suction bucket
18 one end opens are connected with sweep-up pipe 17, and obstruct bar 25 has been arranged side by side in the opening of the other end of dust suction bucket 18, and setting turns
Wheel 21.The bottom of pretreatment box 12 is provided with hair-dryer 20, and hair-dryer 20 is connected to the position for intercepting bar 25 by blower 19, inhales
Dirt bucket 18 is connected to pretreatment box 12 by hanging spring 24.Filter bag net 15 is provided with pretreatment box 12, the opening of filter bag net 15 leads to
Undue head tube 16 is connected to sweep-up pipe 17, and the inlet port of air draft pipe 2.2 is provided with protection network 14.Pretreatment box 12 is in expansion chamber
22 sides are transparent panel 12.1, and the bottom of expansion chamber 22 is provided with check valve 23.
During implementation, set pretreatment box 12 carries out advance treatment to air so that enter in water tank 1, from gas-distributing pipe 2
Gas is more beneficial for dedusting.Air exhauster 13 works, and gas enters from sweep-up pipe 17, by parted hair pipe 16 again through filter bag net 15
Filtering so that the such as big impurity such as leaf, polybag stays in filter bag 15, for heavier impurity, is entered by filter bag net 15
Enter the top of expansion chamber 22, because expansion chamber 22 is without upward air-flow, then heavier impurity just falls and then accumulate and settling
In room 22, collection can be unloaded by check valve 23 when heavier impurities accumulation is more.The side of expansion chamber 22 of pretreatment box 12
Transparent panel 12.1 is set, the situation in pretreatment box 12 can be observed, carry out changing filter bag net 15 and treatment impurity in time.Pre- place
In reason case 12, through the air-flow of filter bag net 15, wherein relatively light less impurity, dust, air draft pipe 2.2 is entered with air-flow, by
Air exhauster 13 enters the dedusting of water tank 1 cleaning with people's air inlet pipe 2.1.The filter bag net 15 that protection network 14 is prevented from coming off enters
Enter air draft pipe 2.2, and then influence air-flow to pass through.The dust suction bucket 18 of 12 times settings of pretreatment box can be on ground, factory building
Impurity dust is collected.When impurity is by dust suction bucket 18, obstruct bar 25 is arranged side by side in the opening of the one end of dust suction bucket 18, its
Can stop that unnecessary outside air enters, and improve the absorption strength to dust impurity, the runner 21 of setting can conveniently be inhaled
The movement of dirt bucket 18.12 times blower fans 20 of setting of pretreatment box pass through blower 19, to the dust being connected to below obstruct bar 25
Impurity is brushed, and blows afloat the dust impurity of adhesion, and then is sucked in dust suction bucket 18, increases cleaning effect.Spring 24 is hung dust suction
Bucket 18 is sling, and mitigates the damage that the friction and collision of the moving process of dust suction bucket 18 are caused.
As the above-mentioned implementation method of technology of the invention, can also be specifically combined together with other mobile devices and used,
Such as road cleaning sprinkling truck, road cleaning road sweeper etc., with the use of when need to only load upper said apparatus.
Schematical specific embodiment of the invention is the foregoing is only, the scope of the present invention is not limited to, it is any
The equivalent variations that those skilled in the art is made on the premise of present inventive concept and principle is not departed from and modification, all should belong to
In the protection domain of dust arrester of the present invention.
Claims (7)
1. a kind of dust arrester, including water tank, gas-distributing pipe, air inlet pipe, gas separating net, air-flow sieve plate, sewage draining exit, water filling port and exhaust
Mouthful, exhaust outlet and water filling port are provided with water tank, the bottom of water tank is provided with sewage draining exit, and air inlet pipe one end is connected to gas-distributing pipe,
The other end is stretched out outside water tank, it is characterised in that：It is gentle that gas-distributing pipe, gas separating net, adsorption net are disposed with from bottom to top in water tank
Stream sieve plate；The gas-distributing pipe is provided with and gas-distributing pipe insertion, uniform air dispelling hole in setting in a row on gas-distributing pipe；Described point
Gas is provided with uniform mesh on the net, and the adsorption zone being made up of adsorption net is provided with above gas separating net, and the adsorption net is divided into
Lower two-layer, two-layer adsorption net is supported by support frame and connected；The air-flow sieve plate is made up of the material less than water density, airflow screen
The sieve aperture of plate is uniform cylindricality sieve aperture, and cylindricality sieve aperture up/down perforation is in air-flow sieve plate；The shape of the gas separating net, air-flow sieve plate
Shape of cross section with water tank matches, and air-flow sieve plate activity is placed in water tank, and water filling port is arranged on water tank top.
2. dust arrester according to claim 1, it is characterised in that：It is provided between described two-layer adsorption net certain
Resilient flexibility adsorption bar is provided with adsorbing sphere.
3. dust arrester according to claim 1, it is characterised in that：One end that air inlet pipe is stretched out outside water tank is connected to pre- place
Reason case；The pretreatment box top is provided with air draft pipe, and air exhauster is provided with air draft pipe；Air draft pipe outlet port with
Air inlet pipe end into pretreatment box is connected, and air draft pipe inlet port is arranged at the side of pretreatment box；In pretreatment box,
Mud chamber is provided with immediately below air draft pipe inlet port, air draft pipe inlet port obliquely downward is provided with sweep-up pipe, inhaled
The one end open of dirt pipe is arranged at the bottom of pretreatment box and is communicated with the external world, and another end opening of sweep-up pipe is located at air draft pipe
The obliquely downward of inlet port.
4. dust arrester according to claim 3, it is characterised in that：The pretreatment box is arranged with dust suction bucket, dust suction
Bucket one end open is connected with sweep-up pipe, and runner and obstruct bar side by side are provided with the opening of the dust suction bucket other end.
5. dust arrester according to claim 4, it is characterised in that：The pretreatment box bottom is provided with hair-dryer, blows
Blower fan is connected to the position for intercepting bar by blower, and described dust suction bucket is connected to pretreatment box by hanging spring.
6. dust arrester according to claim 3, it is characterised in that：Filter bag net is provided with described pretreatment box, is filtered
The opening of landing net is connected to sweep-up pipe by parted hair pipe, and the air draft pipe inlet port is provided with protection network.
7. dust arrester according to claim 3, it is characterised in that：Splash proof network, splashproof are additionally provided with described water tank
Net is located above air-flow sieve plate, and water gage is provided with outside water tank；Described pretreatment box is transparent panel, sedimentation in expansion chamber side
Room bottom is provided with check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610010654.1A CN105498424B (en) | 2016-01-08 | 2016-01-08 | A kind of dust arrester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610010654.1A CN105498424B (en) | 2016-01-08 | 2016-01-08 | A kind of dust arrester |
Publications (2)
| Publication Number | Publication Date |
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| CN105498424A CN105498424A (en) | 2016-04-20 |
| CN105498424B true CN105498424B (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610010654.1A Expired - Fee Related CN105498424B (en) | 2016-01-08 | 2016-01-08 | A kind of dust arrester |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107090901B (en) * | 2017-06-28 | 2019-10-08 | 台州黄岩红旗塑模有限公司 | A kind of student life water cycle utilization device |
| CN109351093A (en) * | 2018-11-27 | 2019-02-19 | 中国二十二冶集团有限公司 | A kind of construction site watering dust collecting device |
| CN112704999B (en) * | 2020-12-30 | 2022-09-23 | 河北宁泊环保股份有限公司 | High-efficiency trapping method and device for high-temperature smoke dust ultrafine particles |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03275111A (en) * | 1990-03-26 | 1991-12-05 | Puraioritei:Kk | Metallic powder recovery apparatus |
| CN201855649U (en) * | 2010-11-01 | 2011-06-08 | 王汇 | Reaction filtrating device for cleaning air |
| CN202438254U (en) * | 2011-12-26 | 2012-09-19 | 长沙石立超硬材料有限公司 | Waste gas treatment device |
| CN103657294A (en) * | 2013-12-09 | 2014-03-26 | 李刘睿 | Washing tank of washing type air purifier |
| CN203790768U (en) * | 2014-03-05 | 2014-08-27 | 安徽亚神电缆集团有限公司 | Tail gas dust filter water tank |
| CN103877806B (en) * | 2014-03-10 | 2015-07-15 | 河海大学常州校区 | Indoor air purifier |
| CN204238155U (en) * | 2014-11-14 | 2015-04-01 | 王春位 | A kind of urban pavement cleaning device |
| CN204919443U (en) * | 2014-12-24 | 2015-12-30 | 长沙中联重科环卫机械有限公司 | Sweeping machine dust pelletizing system and have its sweeping machine |
| CN105157136A (en) * | 2015-06-24 | 2015-12-16 | 许文辉 | Chilled water storage system with purifying function |
| CN204841283U (en) * | 2015-08-04 | 2015-12-09 | 林玲 | Take foam installation's air purifier |
| CN204911080U (en) * | 2015-09-22 | 2015-12-30 | 温州市骐邦环保科技有限公司 | Air purification device purification structure |
| CN205287984U (en) * | 2016-01-08 | 2016-06-08 | 白鹏发 | Dedusting device |
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2016
- 2016-01-08 CN CN201610010654.1A patent/CN105498424B/en not_active Expired - Fee Related
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Granted publication date: 20170616 Termination date: 20190108 |