CN103394483B - Activated carbon automatic cleaning dust device - Google Patents
Activated carbon automatic cleaning dust device Download PDFInfo
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- CN103394483B CN103394483B CN201310325864.6A CN201310325864A CN103394483B CN 103394483 B CN103394483 B CN 103394483B CN 201310325864 A CN201310325864 A CN 201310325864A CN 103394483 B CN103394483 B CN 103394483B
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- drum assembly
- outlet
- assembly
- import
- activated carbon
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Abstract
The invention discloses a kind of cleaning dust device automatically, it includes the drum assembly being in recirculated water in horizontally disposed and its underpart, this drum assembly rotates along own central axis line to be located on housing assembly, described drum assembly axial direction is sequentially provided with inlet and outlet, and this drum assembly is provided with and orders about material by import to some screw drives sheets of outlet movement, it is provided with filtration silk screen in drum assembly outsourcing.Activated carbon or its similar porous mass is driven to shed in drum assembly by screw drives sheet, while activated carbon or its similar porous mass are moved ahead in drum assembly, collision washing is repeatedly carried out with washings, the surface of activated carbon or its similar porous mass does not rubs, and does not hinder surface, and clean result is good, tests prove that, clean result reaches 99.9%, and production efficiency is high, and labor intensity is low.
Description
Technical field
The invention belongs to activated carbon cleaning technique field, be specifically related to a kind of activated carbon suction in chemical industry
The automatic cleaning dust device on attached dose of surface, this device is also adapted to the porous material of similar activated carbon simultaneously
Cleaning dust.
Background technology
In chemical industry, activated carbon makes it can be applicable to much as a kind of adsorbent because of its absorption property
In filtering technique, in use, activated carbon surface will adsorb substantial amounts of impurity dust, of long duration after will
The adsorption function of activated carbon can be reduced, accordingly, it would be desirable to periodically activated carbon surface is carried out cleaning dust.
The dust washing of current activated carbon surface, all uses hand washing, and efficiency is low, and labor intensity is big,
Especially washing in winter, cold weather is inconvenient, and clean result is undesirable；Meanwhile, use hand washing,
It is easy to owing to anthropic factor causes destroying the absorption property of activated carbon.
Summary of the invention
For above-mentioned weak point of the prior art, it is desirable to provide a kind of activated carbon automatically washs and removes
Dirt device, clean result is good, and production efficiency is high, and labor intensity is low.
In order to achieve the above object, technical scheme: a kind of cleaning dust device automatically, it includes
The drum assembly being in recirculated water in horizontally disposed and its underpart, this drum assembly revolves along own central axis line
Turning and be located on housing assembly, described drum assembly axial direction is sequentially provided with inlet and outlet, and this cylinder group
It is provided with in part and orders about material by import to some screw drives sheets of outlet movement, be provided with in drum assembly outsourcing
Filter silk screen.
Further, being provided with cistern assembly on described housing assembly, described drum assembly is in this water tank
Water level in assembly and in cistern assembly is in the position of drum assembly bottom up 1/4～1/2 diameter.
The hydro-peening that the outlet with drum assembly, entrance location are corresponding it is provided with at the axial two ends of described cistern assembly
Water inlet pipe mouth, effluent pipe mouth；Several hydro-peening mouth of pipe it is equipped with in cistern assembly both sides；At described cistern assembly
Bottom is provided with the sewer mouth of pipe.
Described drum assembly includes power transmission shaft, and is positioned the barrel on this power transmission shaft, and this barrel includes
The import cone cylinder of band import of transition connection, intermediate calender rolls, the outlet of band outlet successively along its axial direction
Cone cylinder；Described screw drives sheet includes being correspondingly arranged in entering in import cone cylinder, intermediate calender rolls, outlet cone cylinder
Mouth lifting blade, middle lifting blade, outlet lifting blade, described import lifting blade, middle lifting blade, outlet are raised
Flitch forms axial screw shape structure centered by power transmission shaft.
Described power transmission shaft is arranged on described housing assembly by bearing block, this power transmission shaft by its one end from
Drive sprocket chain drive on movable sprocket and a cycloidal-pin wheel reducing motor connects.
Described import is arranged on the axis of import cone cylinder；Described outlet is arranged at the axis of outlet cone cylinder
On, and the diameter of import is more than the diameter of outlet；Described housing assembly is provided with and this import, outlet
The feed hopper of correspondence, discharge bucket.
Described barrel by connect support member and be connected with this support member be connected fixed cover be positioned power transmission shaft
On, described fixed cover is placed on power transmission shaft and by bolt locking positioning.
Described filtration silk screen is the stainless steel cloth of 18 mesh, and it is removably fixed in drum assembly by press strip
On excircle.
The periphery angle at an acute angle of described screw drives sheet and drum assembly is arranged, and the inclining of screw drives sheet
Tilted direction is contrary with the direction of rotation of drum assembly.
Beneficial effects of the present invention: driven activated carbon or its similar porous mass in cylinder group by screw drives sheet
Part is shed so that while activated carbon or its similar porous mass move ahead in drum assembly, repeatedly with
Washings carry out collision washing, and the surface of activated carbon or its similar porous mass does not rubs, and does not hinder surface,
Clean result is good, tests prove that, clean result reaches 99.9%, and production efficiency is high, and labor intensity is low.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is only some embodiments of the present invention, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the overall structure schematic diagram of the present invention；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the K direction view of Fig. 1；
Fig. 4 is the sectional view in Fig. 1 along line A-A；
Fig. 5 is the structural representation of Fig. 1 intermediate roll assembly；
Fig. 6 is the sectional view in Fig. 5 along line B-B.
Detailed description of the invention
The present invention is further described below in conjunction with specific embodiment and accompanying drawing.
A kind of automatic cleaning dust device as a shown in Figure 6, it includes in horizontally disposed and its underpart
Drum assembly 4 in recirculated water, this drum assembly 4 rotates along own central axis line to be located on housing assembly 2,
Described drum assembly 4 axial direction is provided with in being sequentially provided with inlet and outlet, and this drum assembly 4 and orders about thing
Expect by import to some screw drives sheets of outlet movement, be provided with filtration silk screen 47 in drum assembly 4 outsourcing.
Present invention is mainly used under the absorption property premise not destroying activated carbon, the dust on its surface being carried out clearly
Wash, certainly, it is possible to the surface dirt of other porous mass having absorption property applied for like activated carbon is washed
Washing, belong to physics dedusting, the present embodiment emphasis illustrates with the cleaning dust of activated carbon.Activated carbon is by rolling
Screw drives sheet on cartridge module 4 on drum assembly 4 by import to outlet, during row, by
Activated carbon bottom drum assembly 4 is driven and throws to drum assembly 4 near top position by screw drives sheet
Spill so that activated carbon repeatedly carries out collision washing with the circulation water surface, and activated carbon surface face does not rubs, no
Hindering surface, clean result is good, tests prove that, clean result reaches 99.9%, and production efficiency is high, and work is strong
Spend low.
Specifically, as Figure 1-4, described housing assembly 2 is provided with cistern assembly 3, described cylinder
Water level 34 in assembly 4 is in this cistern assembly 3 and in cistern assembly 3 is in drum assembly 4 bottom up
The position of 1/4～1/2 diameter.Cistern assembly 3 is connected on housing assembly 2 by welding or bolt.Will rolling
In cartridge module 4 is located at cistern assembly 3 and make the water level 34 in cistern assembly 3 be in drum assembly 4 times
Position, portion, preferable water level 34 is in the position of drum assembly 4 bottom up 1/3 diameter, to ensure by spiral shell
Rotation drive sheet drive activated carbon when shedding, activated carbon can try one's best and carry out between recirculated water colliding and
It not to collide with drum assembly 4 inner peripheral surface, injury-free to ensure the surface of activated carbon, Jin Erbao
Card does not destroy the absorption property of activated carbon.
It is provided with corresponding with the outlet of drum assembly 4, entrance location at the described axial two ends of cistern assembly 3
Hydro-peening water inlet pipe mouth 31, effluent pipe mouth 32；It is equipped with several hydro-peening mouth of pipe 35 in cistern assembly 3 both sides.With
Hydro-peening water inlet pipe mouth 31, effluent pipe mouth 32 be cycling in and out water continuously to realize the circulation of washings, set
In the axial two ends of cistern assembly 3, the import and export of drum assembly 4 are coordinated to be located at the axial two ends of drum assembly 4,
With ensure activated carbon range in drum assembly 4, the time interact washing with recirculated water, and then
Improve the dust removal efficiency of activated carbon.Hydro-peening water inlet pipe mouth 31 is corresponding with the outlet of drum assembly 4, go out meanwhile
Hose nozzle 32 is corresponding with the import of drum assembly 4 so that cleaning-drum assembly 4 is gone out by fresh recirculated water all the time
The activated carbon of mouthful end washs, it is to avoid the sewage activated carbon generation cross-contamination to having washed, and cylinder
The activated carbon of assembly 4 entrance point washs with sewage, and the impact on activated carbon generation cross-contamination is the least,
Along with moving ahead of activated carbon, then gradually pass through fresh recirculated water and wash, improve the utilization rate of recirculated water.
So that the recirculated water in cistern assembly 3 remains the water level 34 of 1/3 drum assembly 4 diameter, will spray
Wash water inlet pipe mouth 31, effluent pipe mouth 32 is arranged on this water level 34 so that hydro-peening water inlet pipe mouth 31, water outlet
The horizontal bottom of the mouth of pipe 32 and water level 34 flush, so, eliminate the safety caging devices such as overflow valve,
Directly serve as overflow with hydro-peening water inlet pipe mouth 31, effluent pipe mouth 32 and water level be spacing, reduce equipment cost,
One parts are multi-functional.The hydro-peening mouth of pipe 35 in the cistern assembly 3 both sides hydro-peening to activated carbon, improves further
The dust removal efficiency of activated carbon.It is provided with the sewer mouth of pipe 33, for periodically row bottom described cistern assembly 3
Putting sewage, be further ensured that the dust removal efficiency of activated carbon, the quantity of this sewer mouth of pipe 33 can be according to cistern assembly
Depending on the particular capacity of 3 and shape, when operation, this sewer mouth of pipe 33 is in sealed condition.
As shown in Fig. 1,5,6, described drum assembly 4 includes being arranged at described frame group by bearing block 6
Power transmission shaft 43 on part 2, this power transmission shaft 43 slows down electric by driven sprocket 7 and a cycloidal-pin wheel of its one end
Drive sprocket 9 chain 8 drive connection on machine 10, includes the rolling being positioned on described power transmission shaft 43 simultaneously
Cylinder, this barrel include along its axial direction the band import that transition successively connects import cone cylinder 44, in
Between cylinder 45, band outlet outlet cone cylinder 46；Described screw drives sheet include being correspondingly arranged in import cone cylinder 44,
Import lifting blade 441 in intermediate calender rolls 45, outlet cone cylinder 46, middle lifting blade 451, outlet lifting blade
461, described import lifting blade 441, middle lifting blade 451, outlet lifting blade 461 are formed with power transmission shaft 43
Centered by axial screw shape structure.This import lifting blade 441, middle lifting blade 451, outlet lifting blade 461
Uniformly it is located on the inner peripheral surface of drum assembly 4, to ensure the at the uniform velocity transport to activated carbon and to activated carbon
Uniformly, shed continuously.
Here, described cycloidal-pin wheel reducing motor 10 specifically use become be 57～62 cycloidal-pin wheel slow down
Device, frequency conversion motor selected by motor.This cycloidal-pin wheel reducing motor 10 is fixed on by motor support base assembly 11
On the side of housing assembly 2.
In order to ensure activated carbon range in drum assembly 4, described import is arranged at import cone cylinder
On the axis of 44；Described outlet is arranged on the axis of outlet cone cylinder 44, and the diameter of import is more than
The diameter of mouth；Described housing assembly 2 is provided with and this import, feed hopper 1 corresponding to outlet, discharge bucket
5, for interpolation and the precipitation of activated carbon.
In structure, described barrel is by connecting support member 41 and being connected connected the fixing of support member 41 with this
Set 42 is positioned on power transmission shaft 43, and described fixed cover 42 is placed on power transmission shaft 43 and by bolt lock tightening
Position.In order to avoid activated carbon is by screw drives sheet, that is to say import lifting blade 441, middle lifting blade 451,
When outlet lifting blade 461 is shed, activated carbon collides with power transmission shaft 43, by described screw drives sheet and cylinder
The periphery angle at an acute angle of assembly 4 is arranged, and the rotation of the incline direction of screw drives sheet and drum assembly 4
Turn in opposite direction.So, by the law of inertia, the activated carbon being in drum assembly 4 top all does little parabolic
Line moves, and also avoids the collision between itself and power transmission shaft 43, and is directly entered in water and washs.
Finally, described filtration silk screen 47 is the stainless steel cloth of 18 mesh, and it is removably fixed in by press strip
On the excircle of drum assembly 4, it is simple to change.
This device in use, is formed by hydro-peening water inlet pipe mouth 31, effluent pipe mouth 32 and circulates washings continuously,
It is then turned on the hydro-peening mouth of pipe 35 and drum assembly 4 is carried out continuous hydro-peening.Open cycloidal-pin wheel reducing motor 10 to make
The rotating speed obtaining drum assembly 4 is 3～8 revs/min, then is put into activated carbon by feed hopper 1, and activated carbon is at cylinder
Assembly 4 is had by import to outlet and sheds for about 10 times in entrance water, then with screw drives sheet by exporting discharge
?.Tests prove that, washing yield is up to 1 ton hour, and dust removal efficiency is up to 99.9%, and production efficiency is high,
Labor intensity is low.
It addition, this compact equipment, installation is taken up an area little, easy to maintenance；Use cycloidal-pin wheel reducing motor
10, and by chain 8 transmission, operate steadily reliable.Because the rotating speed of cycloidal-pin wheel reducing motor 10 is adjustable,
Making the rotating speed of whole equipment, yield adjustable, it is also applied in chemical industry being similar to activated carbon phase jljl
The washing of material.
The technical scheme provided the embodiment of the present invention above is described in detail, tool used herein
Principle and the embodiment of the embodiment of the present invention are set forth by body example, and the explanation of above example is only
It is adapted to assist in understanding the principle of the embodiment of the present invention；Simultaneously for one of ordinary skill in the art, depend on
According to the embodiment of the present invention, detailed description of the invention and range of application all will change, in sum,
This specification content should not be construed as limitation of the present invention.
Claims (7)
1. an automatic cleaning dust device, it is characterised in that: include being in horizontally disposed and its underpart
Drum assembly (4) in recirculated water, this drum assembly (4) rotates along own central axis line is located at housing assembly (2)
On, described drum assembly (4) axial direction is sequentially provided with in inlet and outlet, and this drum assembly (4)
It is provided with and orders about material by import to some screw drives sheets of outlet movement, be provided with in drum assembly (4) outsourcing
Filter silk screen (47)；Described drum assembly (4) includes power transmission shaft (43), and is positioned this power transmission shaft (43)
On barrel, this barrel includes along its axial direction the import cone cylinder of the band import that transition successively connects
(44), intermediate calender rolls (45), the outlet cone cylinder (46) of band outlet；Described screw drives sheet includes that correspondence sets
Be placed in the import lifting blade (441) in import cone cylinder (44), intermediate calender rolls (45), outlet cone cylinder (46),
Middle lifting blade (451), outlet lifting blade (461), described import lifting blade (441), middle lifting blade
(451), outlet lifting blade (461) forms axial screw shape structure centered by power transmission shaft (43)；Described
Screw drives sheet is arranged with the periphery angle at an acute angle of drum assembly (4), and the inclination side of screw drives sheet
To contrary with the direction of rotation of drum assembly (4)；Cistern assembly (3) it is provided with on described housing assembly (2),
Water level (34) place in described drum assembly (4) is in this cistern assembly (3) and in cistern assembly (3)
Position in drum assembly (4) bottom up 1/4～1/2 diameter.
Automatic cleaning dust device the most according to claim 1, it is characterised in that: in described water tank group
Part (3) axially two ends are provided with the hydro-peening water inlet pipe corresponding with the outlet of drum assembly (4), entrance location
Mouth (31), effluent pipe mouth (32)；Several hydro-peening mouth of pipe (35) it is equipped with in cistern assembly (3) both sides.
Automatic cleaning dust device the most according to claim 1 and 2, it is characterised in that: at described water
Box assembly (3) bottom is provided with the sewer mouth of pipe (33).
Automatic cleaning dust device the most according to claim 1, it is characterised in that: described power transmission shaft (43)
Being arranged on described housing assembly (2) by bearing block (6), this power transmission shaft (43) is by its one end
Driven sprocket (7) drives with drive sprocket (9) chain (8) on a cycloidal-pin wheel reducing motor (10)
Connect.
Automatic cleaning dust device the most according to claim 2, it is characterised in that: described import is arranged
On the axis of import cone cylinder (44)；Described outlet is arranged on the axis of outlet cone cylinder (44),
And the diameter of import is more than the diameter of outlet；Described housing assembly (2) is provided with and this import, outlet
The feed hopper (1) of correspondence, discharge bucket (5).
Automatic cleaning dust device the most according to claim 1, it is characterised in that: described barrel leads to
Cross connection support member (41) and be connected with this support member (41) be connected fixed cover (42) be positioned transmission
On axle (43), described fixed cover (42) is placed on power transmission shaft (43) and above and passes through bolt locking positioning.
Automatic cleaning dust device the most according to claim 1, it is characterised in that: described filtration silk screen
(47) being the stainless steel cloth of 18 mesh, it is removably fixed in the cylindrical of drum assembly (4) by press strip
Zhou Shang.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310325864.6A CN103394483B (en) | 2013-07-30 | 2013-07-30 | Activated carbon automatic cleaning dust device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310325864.6A CN103394483B (en) | 2013-07-30 | 2013-07-30 | Activated carbon automatic cleaning dust device |
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| Publication Number | Publication Date |
|---|---|
| CN103394483A CN103394483A (en) | 2013-11-20 |
| CN103394483B true CN103394483B (en) | 2016-10-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310325864.6A Active CN103394483B (en) | 2013-07-30 | 2013-07-30 | Activated carbon automatic cleaning dust device |
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| CN (1) | CN103394483B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11891311B2 (en) | 2017-12-22 | 2024-02-06 | Ozono Polaris, S.A. de C.V. | Process and system for back-and-forth washing of adsorptive media |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104550083B (en) * | 2014-12-10 | 2018-06-12 | 廖木森 | A kind of water circulation system of the cleaning device of refractory brick |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU384566A1 (en) * | 1971-03-05 | 1973-05-29 | FIG ^ D | |
| CN2059918U (en) * | 1990-02-17 | 1990-08-01 | 烟台风机厂 | Cleaner for crushed glass-screen flushing machine |
| CN200960475Y (en) * | 2006-05-18 | 2007-10-17 | 唐义龙 | Drum-type screening washing machine |
| CN201030367Y (en) * | 2007-04-05 | 2008-03-05 | 重庆宗申技术开发研究有限公司 | Rotary-drum washer |
| CN201454900U (en) * | 2009-06-30 | 2010-05-12 | 宜昌英汉超声电气有限公司 | Turnover cleaning mechanism adopting inserted pin to position and spring to clamp |
| CN102380487A (en) * | 2011-09-16 | 2012-03-21 | 江苏美星大地环保科技有限公司 | Cleaning machine |
| CN203459323U (en) * | 2013-07-30 | 2014-03-05 | 大英达科特化工科技有限公司 | Automatic activated carbon cleaning dust removal device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201181176Y (en) * | 2008-01-21 | 2009-01-14 | 四川龙麟锅炉设备有限责任公司 | Drum-type slag cooling device of material raising plate |
-
2013
- 2013-07-30 CN CN201310325864.6A patent/CN103394483B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU384566A1 (en) * | 1971-03-05 | 1973-05-29 | FIG ^ D | |
| CN2059918U (en) * | 1990-02-17 | 1990-08-01 | 烟台风机厂 | Cleaner for crushed glass-screen flushing machine |
| CN200960475Y (en) * | 2006-05-18 | 2007-10-17 | 唐义龙 | Drum-type screening washing machine |
| CN201030367Y (en) * | 2007-04-05 | 2008-03-05 | 重庆宗申技术开发研究有限公司 | Rotary-drum washer |
| CN201454900U (en) * | 2009-06-30 | 2010-05-12 | 宜昌英汉超声电气有限公司 | Turnover cleaning mechanism adopting inserted pin to position and spring to clamp |
| CN102380487A (en) * | 2011-09-16 | 2012-03-21 | 江苏美星大地环保科技有限公司 | Cleaning machine |
| CN203459323U (en) * | 2013-07-30 | 2014-03-05 | 大英达科特化工科技有限公司 | Automatic activated carbon cleaning dust removal device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11891311B2 (en) | 2017-12-22 | 2024-02-06 | Ozono Polaris, S.A. de C.V. | Process and system for back-and-forth washing of adsorptive media |
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| CN103394483A (en) | 2013-11-20 |
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