CN105856128A - Online replacing method and special clamp for slurry stirrer speed reducer for wet-process desulphurization - Google Patents
Online replacing method and special clamp for slurry stirrer speed reducer for wet-process desulphurization Download PDFInfo
- Publication number
- CN105856128A CN105856128A CN201610290605.8A CN201610290605A CN105856128A CN 105856128 A CN105856128 A CN 105856128A CN 201610290605 A CN201610290605 A CN 201610290605A CN 105856128 A CN105856128 A CN 105856128A
- Authority
- CN
- China
- Prior art keywords
- hough
- shaft
- online
- reductor
- axial direction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
Abstract
The invention provides a special online replacing clamp for a slurry stirrer speed reducer for wet-process desulphurization. The special online replacing clamp comprises an upper half, a lower half, an axial retainer and a vertical retainer, wherein the two ends of the upper half can be detachably connected with the two ends of the lower half; the upper half is provided with the vertical retainer; and the upper half and/or the lower half is provided with the axial retainer. The special clamp is simple in structure, is convenient to use, and is convenient for replacing the speed reducer of a side-inlet type stirrer on line. The invention further provides an online replacing method for the slurry stirrer speed reducer for wet-process desulphurization. The online replacing method is reasonable in step arrangement; moreover, the special online replacing clamp for the slurry stirrer speed reducer for wet-process desulphurization can be adopted to prevent a stirring shaft from moving upwards and backwards, so that a coupler of the speed reducer and a coupler of the stirring shaft can be accurately aligned when a novel speed reducer is mounted, and therefore, online replacement of the speed reducer of the side-inlet type stirrer is realized, and the maintenance mode is optimized.
Description
Technical field
The present invention relates to overhaul slurry mixer in industry smoke-gas wet desulfurization system, particularly relate to a kind of wet desulphurization serosity
The online replacing options of blender reducer and special fixture.
Background technology
The absorption tower of desulfurization dress is a kind of large-scale storage tank, and the diameter on usual absorption tower is up to 15M.For ensureing the internal desulfurization in absorption tower
Agent can fully reflect with sintering flue gas, and reaching the effect of good environmental protection, absorption tower is equipped with several side-feeding mixers, side
The shaft of feeding mixer is positioned at the length on absorption tower and reaches 1.4 meters, and impeller deadweight reaches 200KG.
During use, side-feeding mixer is damaged in various degree.By long-term use, easily there is event in side-feeding mixer
Barrier, and frequency can be more and more higher, especially damages the most frequent with reductor.Existing maintenance model is all to use off-line to shut down,
Whole media in empty absorption tower, then keeped in repair by inside maintainer's access arrangement.In order to prevent shaft because impeller is conducted oneself with dignity
And produce upwarp or displacement, when causing reductor to be installed shaft coupling cannot centering, maintainer should first to shaft employing lead
Chain is fixed, then is replaced reductor or changes, and the repair time is long.
Summary of the invention
The shortcoming of prior art in view of the above, first purpose of the present invention is to provide a kind of wet desulphurization serosity to stir
Device reductor is changed online and is used special fixture, and the shaft axle of slurry mixer can axially and radially be limited by this special fixture
Position, conveniently changes reductor online.
Second purpose of the present invention is to provide the online replacing options of a kind of wet desulphurization slurry mixer reductor.
For realizing above-mentioned first purpose, the present invention provides following technical scheme:
A kind of wet desulphurization slurry mixer reductor replacing special fixture online, described special fixture at least includes: upper Kazakhstan
Husband, lower Hough, axial direction stopping device and vertical backstopping device；The Inner arc wall of described upper Hough and lower Hough respectively with described stirring
The shaft of device matches, and described upper Hough two ends are the most detachably connected with described lower Hough two ends；Described upper Hough is provided with use
A vertical backstopping device in the shaft vertical deviation limiting slurry mixer；Described upper Hough and/or lower Hough be provided with for
Limit at least one axial direction stopping device of the axial displacement of shaft of slurry mixer.
Further, described vertical backstopping device is vertical Dogbolt, and described upper Hough Inner arc wall is centrally along radially offering one
Radial direction through hole, described vertical Dogbolt is threadeded with described radial direction through hole.
Further, described axial direction stopping device is axial direction stopping bolt, and described upper Hough or lower Hough sidewall offer two axially
Through hole, two described axially extending bores are arranged symmetrically in described radial direction through hole both sides；Described axial direction stopping bolt and described axially extending bore
Threaded.
Further, described axial direction stopping device is axial direction stopping bolt, and described upper Hough and/or lower Hough sidewall offer one
Axially extending bore；Described axial direction stopping bolt is threadeded with described axially extending bore.
Further, described upper Hough outer wall two ends milling respectively has a connecting platform, two described connecting platforms and described lower Kazakhstan
Husband two ends are connected by clamping screw respectively.
Further, described upper Hough outer wall two ends and lower Hough outer wall two ends milling respectively have a connecting platform, described upper Kazakhstan
The connecting platform of husband is connected by clamping screw with corresponding described lower Hough connected unit.
As it has been described above, the wet desulphurization of present invention slurry mixer reductor replacing special fixture online, having following has
Benefit effect:
This special fixture simple in construction, convenient use, as long as and after this special fixture is arranged on the shaft of agitator,
Its shaft that can limit agitator occurs axially and vertical deviation, the convenient online reductor changing side-feeding mixer, contracting
The short repair time.
For realizing above-mentioned second purpose, the present invention provides following technical scheme:
The online replacing options of a kind of wet desulphurization slurry mixer reductor, comprises the steps:
1) first on shaft, labelling installs the position stating wet desulphurization slurry mixer reductor replacing special fixture online
Put；
2) described upper Hough and lower Hough are arranged on the mark position on described shaft, described upper Hough two ends and described lower Kazakhstan
Husband two ends are all removably joined together, and described upper Hough inwall and lower Hough inwall lean against described shaft outer wall respectively,
Described upper Hough is positioned at described shaft end face；
3) the vertical backstopping device described in adjustment and axial direction stopping device so that described vertical backstopping device head is resisted against shaft and installs
Seat, and axial direction stopping device afterbody is resisted against agitator；
4) securing member connecting speed reducer coupling to be repaired with shaft shaft coupling is removed so that reductor to be repaired departs from stirring
Axle；
5) new reductor is correctly fixed in the mounting seat of reductor, and is positioned at the bolt at diagonal angle so that new subtracts
Speed machine shaft coupling realizes diagonal angle with shaft shaft coupling and fixes；
6) above-mentioned wet desulphurization slurry mixer reductor replacing special fixture online is dismantled；
7) install and fasten all bolts for connecting new speed reducer coupling and shaft shaft coupling, completing to change and slow down
Machine.
As it has been described above, the online replacing options of the wet desulphurization slurry mixer reductor of the present invention, there is following useful effect
Really:
This online replacing options can not only be greatly shortened the maintenance reductor time, and can complete more in the case of not stopping production
Change reductor.
Accompanying drawing explanation
Fig. 1 is shown as the wet desulphurization slurry mixer reductor replacing special fixture axonometric chart online of the present invention.
Element numbers explanation
Hough on 1
2 times Houghs
3 axial direction stopping devices
4 vertical backstopping devices
5 clamping screws
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be taken off by this specification
The content of dew understands other advantages and effect of the present invention easily.
It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to coordinate disclosed in description
Content, understands for those skilled in the art and reads, being not limited to the enforceable qualifications of the present invention, therefore do not have
Technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, do not affecting institute of the present invention energy
Under the effect produced and the purpose that can reach, all should still fall in the range of disclosed technology contents can be contained.
Meanwhile, in this specification cited as " on ", D score, "left", "right", the use of " middle " and " one " etc.
Language, is merely convenient to understanding of narration, and is not used to limit the enforceable scope of the present invention, the change of its relativeness or tune
Whole, changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
As it is shown in figure 1, the present invention provides a kind of wet desulphurization slurry mixer reductor replacing special fixture online, this is special
At least include with fixture: upper Hough 1, lower Hough 2, axial direction stopping device 3 and vertical backstopping device 4；Described upper Hough 1 and under
The Inner arc wall of Hough 2 shaft with described agitator respectively matches, described upper Hough 1 two ends and described lower Hough 2 liang
Hold the most detachably connected；It is vertical only that described upper Hough 1 is provided with of the shaft vertical deviation for limiting slurry mixer
Move back device 4；Described upper Hough 1 and/or lower Hough 2 are provided with at least one of the axial displacement of the shaft for limiting slurry mixer
Axial direction stopping device 3.
Described vertical backstopping device 4 is vertical Dogbolt, and described upper Hough 1 Inner arc wall is the most logical centrally along radially offering one
Hole, described vertical Dogbolt is threadeded with described radial direction through hole, sees Fig. 1.
Described axial direction stopping device 3 is axial direction stopping bolt；Described axial direction stopping device 3 is axial direction stopping bolt, described upper Hough 1
And/or lower Hough 2 sidewall offers an axially extending bore, described axial direction stopping bolt is threadeded with described axially extending bore.For
Ensure that the shaft of agitator obtains the most axially location, when described axially extending bore is opened in described upper Hough 1, preferably should
Axially extending bore is near described upper Hough 1 top center；When described axially extending bore is opened in described lower Hough 2, this axially extending bore
Near described lower Hough 2 bottom centre.
With reference to Fig. 1, in order to ensure that the shaft of agitator obtains the most axially location, can offer at described lower Hough 2 sidewall
There are two axially extending bores, and two described axially extending bores are arranged symmetrically in described radial direction through hole both sides；Described axial direction stopping bolt with
Described axially extending bore is threaded；Can also offer two axially extending bores by Hough 1 sidewall on described, two described the most logical
Hole is arranged symmetrically in described radial direction through hole both sides；Described axial direction stopping bolt is threadeded with described axially extending bore.Described lower Hough
2 surrounding space ratios are narrow, and in order to easy for installation, preferably on described, Hough 1 sidewall offers two axially extending bores.
Installing for convenience, described upper Hough 1 outer wall two ends and the milling respectively of lower Hough 2 outer wall two ends have a connecting platform,
The connecting platform of described upper Hough 1 is connected by clamping screw 5 with corresponding described lower Hough 2 connected unit, sees Fig. 1.It addition,
Ensureing convenient installation, and guaranteeing intuitively to distinguish Hough 1 and lower Hough 2, described upper Hough 1 outer wall two ends are respectively
Milling has a connecting platform, two described connecting platforms to be connected by clamping screw 5 respectively with described lower Hough 2 two ends.
This special fixture simple in construction, convenient use, as long as and after this special fixture is arranged on the shaft of agitator,
Its shaft that can limit agitator occurs axially and vertical deviation, the convenient online reductor changing side-feeding mixer, contracting
The short repair time.
The present invention also provides for the online replacing options of a kind of wet desulphurization slurry mixer reductor, comprises the steps:
1) first on shaft, labelling installs the position stating wet desulphurization slurry mixer reductor replacing special fixture online
Put；
2) with reference to Fig. 1, described upper Hough 1 and lower Hough 2 are arranged on the mark position on described shaft, described upper Hough
1 two ends are all removably joined together with described lower Hough 2 two ends, and described upper Hough 1 inwall and lower Hough 2 inwall divide
Not leaning against described shaft outer wall, described upper Hough 1 is positioned at described shaft end face；
3) the vertical backstopping device 4 described in adjustment and axial direction stopping device 3 so that described vertical backstopping device 4 head (i.e. bolt hexagonal
Position) it is resisted against agitator mounting seat and axial direction stopping device 3 afterbody is resisted against agitator, so ensure that side-feeding type stirs
Device is after two-point locating loses wherein, and shaft will not occur upwardly and rearwardly displacement；
4) securing member connecting speed reducer coupling to be repaired with shaft shaft coupling is removed so that reductor to be repaired departs from stirring
Axle；
5) new reductor is correctly fixed in the mounting seat of reductor, and is positioned at the bolt at diagonal angle so that new subtracts
Speed machine shaft coupling realizes diagonal angle with shaft shaft coupling and fixes；Note: first new reductor should be carried out datum level centering, then
New reductor is fixed on the mounting seat of reductor；
6) above-mentioned wet desulphurization slurry mixer reductor replacing special fixture online is dismantled；
7) install and fasten all bolts for connecting new speed reducer coupling and shaft shaft coupling, completing to change and slow down
Machine.
This online replacing options uses wet desulphurization slurry mixer reductor replacing special fixture online to prevent side-feeding type from stirring
Device is after two-point locating loses wherein, and shaft occurs upwardly and rearwardly displacement, it is ensured that when installing new reductor, subtract
Speed machine shaft coupling and shaft shaft coupling can accurately centerings, it is achieved that changing online of side-feeding mixer reductor, optimize
Maintenance model.
Use existing maintenance model, desulfurization main process line need to stop production 12 hours, sintering machine certainly will be caused 12 hours to stop production, press
Calculate according to equipment fault grade, secondary equipment accident should be classified as.Use the present invention wet desulphurization with slurry mixer reductor
After line replacing options, the replacing operation of side-feeding mixer reductor can be not required to stop production in the case of 4 hours solution problems,
Maintenance reductor time is greatly shortened.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any it is familiar with this skill
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage of art.Therefore, such as
All that in art, tool usually intellectual is completed under without departing from disclosed spirit and technological thought etc.
Effect is modified or changes, and must be contained by the claim of the present invention.
Claims (7)
1. a wet desulphurization slurry mixer reductor replacing special fixture online, it is characterised in that described special fixture is extremely
Include less: upper Hough (1), lower Hough (2), axial direction stopping device (3) and vertical backstopping device (4)；Described upper Kazakhstan
The Inner arc wall of husband (1) and lower Hough (2) shaft with described agitator respectively matches, described upper Hough (1)
Two ends are the most detachably connected with described lower Hough (2) two ends；Described upper Hough (1) is provided with for limiting slurry mixer
A vertical backstopping device (4) of shaft vertical deviation；Described upper Hough (1) and/or lower Hough (2) be provided with for
Limit at least one axial direction stopping device (3) of the axial displacement of shaft of slurry mixer.
Wet desulphurization slurry mixer reductor replacing special fixture online the most according to claim 1, its feature exists
In: described vertical backstopping device (4) is vertical Dogbolt, and described upper Hough (1) Inner arc wall is centrally along radially offering
One radial direction through hole, described vertical Dogbolt is threadeded with described radial direction through hole.
Wet desulphurization slurry mixer reductor replacing special fixture online the most according to claim 2, its feature exists
In: described axial direction stopping device (3) is axial direction stopping bolt, and described upper Hough (1) or lower Hough (2) sidewall offer
Two axially extending bores, two described axially extending bores are arranged symmetrically in described radial direction through hole both sides；Described axial direction stopping bolt with
Described axially extending bore is threaded.
Wet desulphurization slurry mixer reductor replacing special fixture online the most according to claim 2, its feature exists
In: described axial direction stopping device (3) is axial direction stopping bolt, and described upper Hough (1) and/or lower Hough (2) sidewall are offered
There is an axially extending bore；Described axial direction stopping bolt is threadeded with described axially extending bore.
5. according to the slurry mixer reductor replacing special fixture online of the wet desulphurization described in any one of claims 1 to 3, its
It is characterised by: described upper Hough (1) outer wall two ends milling respectively has a connecting platform, and two described connecting platforms are with described
Lower Hough (2) two ends are connected by clamping screw (5) respectively.
6. according to the slurry mixer reductor replacing special fixture online of the wet desulphurization described in any one of claims 1 to 3, its
It is characterised by: described upper Hough (1) outer wall two ends and the milling respectively of lower Hough (2) outer wall two ends have a connecting platform,
The connecting platform of described upper Hough (1) is connected by clamping screw (5) with corresponding described lower Hough (2) connected unit.
7. the online replacing options of a wet desulphurization slurry mixer reductor, it is characterised in that comprise the steps:
1) first on shaft, labelling is installed and is stated the wet desulphurization slurry mixer described in any one of claim 1 to 7 and subtract
Speed machine is changed online with the position of special fixture；
2) described upper Hough (1) and lower Hough (2) are arranged on the mark position on described shaft, described upper Hough (1)
Two ends are all removably joined together with described lower Hough (2) two ends, and described upper Hough (1) inwall and lower Kazakhstan
Husband (2) inwall leans against described shaft outer wall respectively, and described upper Hough (1) is positioned at described shaft end face；
3) the vertical backstopping device (4) described in adjustment and axial direction stopping device (3) so that described vertical backstopping device (4) head supports
Lean against agitator mounting seat, and axial direction stopping device (3) afterbody is resisted against agitator；
4) securing member connecting speed reducer coupling to be repaired with shaft shaft coupling is removed so that reductor to be repaired disengaging is stirred
Mix axle；
5) new reductor is correctly fixed in the mounting seat of reductor, and is positioned at the bolt at diagonal angle so that be new
Speed reducer coupling realizes diagonal angle with shaft shaft coupling and fixes；
6) above-mentioned wet desulphurization slurry mixer reductor replacing special fixture online is dismantled；
7) install and fasten all bolts for connecting new speed reducer coupling and shaft shaft coupling, completing to change and slow down
Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610290605.8A CN105856128B (en) | 2016-05-04 | 2016-05-04 | The wet desulphurization online replacing options of slurry mixer speed reducer and special fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610290605.8A CN105856128B (en) | 2016-05-04 | 2016-05-04 | The wet desulphurization online replacing options of slurry mixer speed reducer and special fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105856128A true CN105856128A (en) | 2016-08-17 |
| CN105856128B CN105856128B (en) | 2018-07-20 |
Family
ID=56630928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610290605.8A Active CN105856128B (en) | 2016-05-04 | 2016-05-04 | The wet desulphurization online replacing options of slurry mixer speed reducer and special fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105856128B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909550A (en) * | 2012-10-19 | 2013-02-06 | 浙江旷达纺织机械有限公司 | Jacquard tie equipment of harness cord device |
| CN202985395U (en) * | 2012-08-27 | 2013-06-12 | 浙江工业职业技术学院 | Rotation type double-direction clamping workbench |
| CN103192331A (en) * | 2013-03-29 | 2013-07-10 | 江苏金通灵流体机械科技股份有限公司 | Adjustable locating assembly of marine engine partition plate or mechanical component |
| CN203266477U (en) * | 2013-05-10 | 2013-11-06 | 浙江精功科技股份有限公司 | Quick clamping mechanism of container |
| CN203993646U (en) * | 2014-08-19 | 2014-12-10 | 国家电网公司 | A kind of screw rod fixture |
| CN104227594A (en) * | 2013-06-20 | 2014-12-24 | 天津滨海亿利建材有限公司 | Corrugated pipe clamp |
| CN204171890U (en) * | 2014-09-02 | 2015-02-25 | 蓝思科技股份有限公司 | A kind of Self-centering device |
| CN104907970A (en) * | 2015-07-05 | 2015-09-16 | 冯圣冰 | Variable-diameter fixture for circular ring |
| CN205394326U (en) * | 2016-02-15 | 2016-07-27 | 合肥燃气集团有限公司 | Channel bend external [line up] clamp |
-
2016
- 2016-05-04 CN CN201610290605.8A patent/CN105856128B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202985395U (en) * | 2012-08-27 | 2013-06-12 | 浙江工业职业技术学院 | Rotation type double-direction clamping workbench |
| CN102909550A (en) * | 2012-10-19 | 2013-02-06 | 浙江旷达纺织机械有限公司 | Jacquard tie equipment of harness cord device |
| CN103192331A (en) * | 2013-03-29 | 2013-07-10 | 江苏金通灵流体机械科技股份有限公司 | Adjustable locating assembly of marine engine partition plate or mechanical component |
| CN203266477U (en) * | 2013-05-10 | 2013-11-06 | 浙江精功科技股份有限公司 | Quick clamping mechanism of container |
| CN104227594A (en) * | 2013-06-20 | 2014-12-24 | 天津滨海亿利建材有限公司 | Corrugated pipe clamp |
| CN203993646U (en) * | 2014-08-19 | 2014-12-10 | 国家电网公司 | A kind of screw rod fixture |
| CN204171890U (en) * | 2014-09-02 | 2015-02-25 | 蓝思科技股份有限公司 | A kind of Self-centering device |
| CN104907970A (en) * | 2015-07-05 | 2015-09-16 | 冯圣冰 | Variable-diameter fixture for circular ring |
| CN205394326U (en) * | 2016-02-15 | 2016-07-27 | 合肥燃气集团有限公司 | Channel bend external [line up] clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105856128B (en) | 2018-07-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206974352U (en) | A kind of junction box levelling device | |
| CN105856128A (en) | Online replacing method and special clamp for slurry stirrer speed reducer for wet-process desulphurization | |
| CN205315518U (en) | Quick assembly disassembly structure of stirring rake | |
| CN205102760U (en) | Shafting alignment measuring tool | |
| CN105537754B (en) | The lower shaft shoulder is with weldering floating self-sustaining agitating friction welding stirring-head and welding method | |
| CN206223417U (en) | A kind of Detecting data device for detecting swivel joint | |
| CN203003494U (en) | Turntable slewing structure of machine tool | |
| CN203705164U (en) | Speed reducer moment rotation speed testboard | |
| CN108311000A (en) | A kind of underwater bearing self-positioning fixing device and Double-curved-surface stirring device | |
| CN105290675B (en) | A kind of cold separator welding equipment formwork structure of vapour and the cold separator of vapour | |
| CN203622637U (en) | Mixer shaft end positioning and locking structure | |
| CN202778378U (en) | Wastewater stirrer | |
| CN208514423U (en) | A kind of jack for dismantling gear coupling | |
| CN203639363U (en) | Mixer for permissible coal-mining emulsion explosives | |
| CN202164111U (en) | Hydrofluoric acid pre-reactor | |
| CN202700422U (en) | Fixing seat for rear end of mixing shaft of mixer | |
| EP3996834B1 (en) | Method and installation for homogenizing a shear thinning fluid contained in a cylindrical tank | |
| CN205489948U (en) | Motor shaft device | |
| CN103434022A (en) | Shaft end location and locking structure of stirrer | |
| CN204247385U (en) | Flotation machine stator and flotation device | |
| CN103657508B (en) | A kind of localizer that agitator is installed in mixing plant | |
| CN207996632U (en) | A kind of new type agitation oar output gear shaft of reduction box | |
| CN101428202A (en) | Frame for axial flow type palm type stirrer | |
| CN106378050A (en) | Multi-specification stirring hand for sewage treatment small experiment | |
| CN210138607U (en) | Power desulphurization unit lime thick liquid mixer overhauls device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |