CN105214351A - Center driving lift mud scraper - Google Patents
Center driving lift mud scraper Download PDFInfo
- Publication number
- CN105214351A CN105214351A CN201510662987.8A CN201510662987A CN105214351A CN 105214351 A CN105214351 A CN 105214351A CN 201510662987 A CN201510662987 A CN 201510662987A CN 105214351 A CN105214351 A CN 105214351A
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- CN
- China
- Prior art keywords
- transmission shafts
- hollow transmission
- center
- scraping arm
- cleaning shoe
- 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
- 238000004140 cleaning Methods 0.000 claims abstract description 47
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 238000007790 scraping Methods 0.000 claims abstract description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000010802 sludge Substances 0.000 claims abstract description 20
- 239000004744 fabric Substances 0.000 claims abstract description 18
- 238000013019 agitation Methods 0.000 claims abstract description 11
- 230000005484 gravity Effects 0.000 claims abstract description 9
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 abstract description 10
- 239000010865 sewage Substances 0.000 abstract description 9
- 238000009792 diffusion process Methods 0.000 description 4
- 230000003028 elevating effect Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 235000020681 well water Nutrition 0.000 description 2
- 239000002349 well water Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Landscapes
- Sewage (AREA)
Abstract
The present invention relates to sewage treatment area, be mainly used for sedimentation basin and collect mud.Center driving lift mud scraper of the present invention disconnects sheet 4 primarily of reducing motor 1, Hollow Transmission Shafts 2, center intake chamber 3, Hollow Transmission Shafts, perforation cloth water drum 5, scraping arm balancing pole draught line 6, scraping arm 7, balancing pole 8, balanced body 9, gravity lifting cleaning shoe 10, the water inlet of sludge agitation Qi11He center connect running-on 12 and form, reducing motor is positioned at work crane span structure F center, Hollow Transmission Shafts disconnects formation center intake chamber, realized the connection up and down of Hollow Transmission Shafts by brace, perforation cloth water drum is fixedly connected with power transmission shaft by upper and lower bottom plate; Scraping arm, balancing pole are connected with Hollow Transmission Shafts by scraping arm balancing pole draught line, and balanced body is fixed on the end of balancing pole; Gravity lifting cleaning shoe is flexibly connected with slave connecting rod 10b screw by master connecting-rod 10a with scraping arm, side, cleaning shoe bottom is offset plate, another side two ends are fixed with pulley, sludge agitation device top is fixedly connected with the connection running-on 12 of Hollow Transmission Shafts, and adapter sleeve muzzle is on the center water inlet pipe B stood vertically.
Description
Technical field
The present invention relates to sewage treatment area, be mainly used for sedimentation basin and collect mud.
Background technology
Mud scraper is in sewage treatment area, larger to final outflow water water quality impact to the collection cleaning effect of clarifier sludge.Transmission large-scale employing peripheral-traction form centered by the domestic development and application to mud scraper is small-sized for circular radial-flow pond.Divide by cleaning shoe mode and mainly contain: fixed mud scraper, mechanical lifting mud scraper, fixedly scrape mud-sucking device.
Case study below to existing in domestic issued patents or market application technology is as follows:
China Patent No. 201310461477.5 discloses a kind of suspension type lifting center drive mud-scraper, China Patent No. 201410386242.9 discloses a kind of lifting center drive mud-scraper, China Patent No. 201410387954.2 discloses a kind of peripheral driving mud scraper and all belongs to fixed mud scraper, scraper plate can not oscilaltion, very high to flatness requirement at the bottom of sedimentation basin pond, often civil engineering of low quality will cause to be detained after sludge anaerobic be with gas to float.
China Patent No. 200520082729 discloses tank kind disc type mud scraper, China Patent No. 201310324658.3 discloses a kind of tank body mud scraper and realizes integral elevating by gear transmission mode; China Patent No. 200920066083 discloses reciprocating hydraulic mud scraper, realizes integral elevating by hydraulic way; China Patent No. 201320300968 discloses the mud scraper of adjustable cleaning shoe height, realizes integral elevating by handwheel drive screw; China Patent No. 201320104366 discloses a kind of mud scraper screeding device, realizes integral elevating by manual-automatic integrated mud scraper hydraulic lift; China Patent No.: 201010284329.7 disclose a kind of Novel mud scraper, is elevated by the output swinging mounting of gear device; China Patent No. 201310072890.2 1 kinds of mud scraper screeding devices also need manual adjustments to be elevated ... patent all belongs to passive lift mud scraper category in sum, and these mud scrapers have the defect of fixed mud scraper equally.
Existing market has the application of scraping and sucking machine, and make discharge pipeline that is with holes or groove into by cleaning shoe, the fixed sleeving that discharge pipeline is erect with sedimentation basin central vertical is flexibly connected, and center sleeve is connected with sludge pump outside pond and realizes suction-discharge.This technology can reduce the flatness requirement at the bottom of to sedimentation basin pond, but can cause the phenomenon of being detained sludge anaerobic band gas and floating equally when mudhole or groove local stoppages.
For this reason, mud scraper often needs to arrange worn-out slag machine and clears up floating sludge while scraping mud in sum.
Summary of the invention
It is high to flatness requirement at the bottom of sedimentation basin pond that the object of the invention is to solve existing mud scraper, mud cleaning is not thorough, cause the critical problem floated after being detained sludge anaerobic band gas, a kind of center driving lift mud scraper being realized automatic lifting by scraper plate deadweight is provided.
Center driving lift mud scraper of the present invention is primarily of reducing motor, Hollow Transmission Shafts, center intake chamber, Hollow Transmission Shafts disconnects sheet, perforation cloth water drum, scraping arm balancing pole draught line, scraping arm, balancing pole, balanced body, gravity lifting cleaning shoe, the water inlet of sludge agitation Qi He center connects running-on composition, reducing motor is positioned at work crane span structure F center, connected with Hollow Transmission Shafts by shaft coupling, Hollow Transmission Shafts disconnects formation center intake chamber, the connection up and down of Hollow Transmission Shafts is realized by brace, perforation cloth water drum is fixedly connected with Hollow Transmission Shafts by upper and lower bottom plate, scraping arm, balancing pole are connected with Hollow Transmission Shafts by scraping arm balancing pole draught line, and balanced body is fixed on the end of balancing pole, gravity lifting cleaning shoe is flexibly connected with slave connecting rod screw by master connecting-rod with scraping arm, and cleaning shoe bottom is offset plate by connecting rod side, and another side two ends are fixed with left chain wheel, right pulley, and cleaning shoe is polylith, has side roller by pool side first piece of scraper plate by pool wall one end, sludge agitation device top is fixedly connected with the connection running-on of Hollow Transmission Shafts, and adapter sleeve muzzle is on the center water inlet pipe B stood vertically.
Cleaning shoe is fixedly connected with master connecting-rod, and master connecting-rod is flexibly connected by secondary screw with slave connecting rod, and master connecting-rod is flexibly connected with scraping arm by right screw, and slave connecting rod is flexibly connected with scraping arm by left screw.Constitute being flexibly connected of cleaning shoe and scraping arm.
Operation principle:
Entered the perforation cloth water drum of upper-lower seal by Hollow Transmission Shafts, center intake chamber through sedimentation basin bottom centre water inlet pipe after biochemical sewage, spread to periphery from the side after the rectification of sewage perforated cloth water drum, thus to avoid bottom stabilizing feed well diffusion and cause dead angle area, side, make perforation cloth water drum diffusion velocity significantly lower than stabilizing feed well water distribution, thus extend dwell time of sewage, sludge settling effect is improved.
During mud scraper work, reducing motor pulls scraper plate to circle by Hollow Transmission Shafts, scraping arm, scrapes mud angle to realize scraper plate the best, and scraping arm adopts 90 ° of right-angle bendings to extend, and realizes being flexibly connected scraper plate by connecting rod, screw; Cleaning shoe mobile adopts pulley force controlled with contacting at the bottom of pond, realizes automatic lifting, even if the slightly poor mud that also do not affect of flatness at the bottom of pond is cleared up by cleaning shoe deadweight.Cleaning shoe work adopts pulley force controlled, reduces horizontal torsion and the reducing motor energy consumption of Hollow Transmission Shafts.
Scraping arm and balancing pole are symmetrical centered by Hollow Transmission Shafts, and the application of balancing pole, balanced body makes the connection running-on side of Hollow Transmission Shafts contact abrasion with the center water inlet pipe that sedimentation basin bottom vertical is erect to reduce; Sludge agitation device can prevent collection mud pit mud caking blocking discharge pipeline; Mud enters to collect mud pit through the cleaning shoe cant of some pieces 45 ° assemblings, is then arranged outward through discharge pipeline by gravity or pump.
The present invention, by analysis to various mud scraper, changes former mentality of designing, and what ultimately provide a kind of stable, efficient, durable, low energy consumption scrapes mud thinking and method, compensate for current mud scraper defect.
Accompanying drawing explanation
Fig. 1 is mud scraper front view of the present invention.
Fig. 2 is mud scraper top view of the present invention.
Fig. 3 is lifting cleaning shoe top view of the present invention.
In figure: 1-reducing motor, 2-Hollow Transmission Shafts, 3-center intake chamber, 4-Hollow Transmission Shafts disconnects sheet, 5-perforation cloth water drum, 6-scraping arm balancing pole draught line, 7-scraping arm, 8-balancing pole, 9-balanced body, 10-gravity lifting cleaning shoe, 10a-master connecting-rod, 10b-slave connecting rod, the left screw of 10c-, the right screw of 10d-, the secondary screw of 10e-, 10f-left chain wheel, 10g-right pulley, 10h-side roller, 11-sludge agitation device, the water inlet of 12-center connects running-on, A-precipitates pool wall, B-center water inlet pipe, C-outlet pipe, D-discharge pipeline, E-collection mud pit, F-works crane span structure.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments the present invention done and further illustrate.
As shown in the figure, the mud scraper described in the present embodiment primarily of: 1 reducing motor, 2 Hollow Transmission Shafts, 3 center intake chambers, 4 Hollow Transmission Shafts disconnect sheet, 5 perforation cloth water drums, 6 scraping arm balancing pole draught lines, 7 scraping arms, 8 balancing poles, 9 balanced body, 10 gravity lifting cleaning shoes, 10a master connecting-rod, 10b slave connecting rod, the left screw of 10c, the right screw of 10d, the secondary screw of 10e, 10f left chain wheel, 10g right pulley, 10h side roller, 11 sludge agitation devices, 12 centers water inlets connect running-ons composition.
Entered the perforation cloth water drum 5 of upper-lower seal by the intake chamber 3 of Hollow Transmission Shafts 2 through sedimentation basin bottom centre water inlet pipe after biochemical sewage, spread to periphery from the side after the rectification of sewage perforated cloth water drum 5, thus to avoid bottom stabilizing feed well diffusion and cause dead angle area, side, make perforation cloth water drum 5 diffusion velocity significantly lower than stabilizing feed well water distribution, thus extend dwell time of sewage, sludge settling effect is improved.
Reducing motor 1 is placed in work crane span structure center, scraping arm 7 is driven to circle by Hollow Transmission Shafts 2, mud angle is scraped in order to realize scraper plate 10 the best, scraping arm 7 adopts 90 ° of right-angle bendings to extend, as shown in Figure 2, realize being flexibly connected cleaning shoe 10 by master connecting-rod 10a, slave connecting rod 10b, left screw 10c, right screw 10d, secondary screw 10e; Master connecting-rod 10a and slave connecting rod 10b, cleaning shoe 10 angle at 45 °, cleaning shoe 10 is upright in bottom surface, pond and is fixedly connected with master connecting-rod 10a; Slave connecting rod 10b to walk laterally not sideslip to control cleaning shoe 10, as shown in Figure 3; Cleaning shoe 10 quantity, to be good less, is generally 3 to 4, and when cleaning shoe 10 is installed, work rule mark edge wants appropriateness overlapping; Hollow Transmission Shafts 2 realizes disconnecting formation center cloth tank 3 by brace 4, and brace 4 is multiple, is four in the present embodiment, forms at equal intervals; Perforation cloth water drum 5 is fixedly connected with Hollow Transmission Shafts 2 by upper and lower bottom plate, and perforation cloth water drum 5 upper base should higher than water surface 0.1m; Balancing pole 8 and Hollow Transmission Shafts 2 are by draught line 6 torsion up and down spending blue screw rod to be connected to decrease flange connections; Scraping arm 7 is same with Hollow Transmission Shafts 2 to be connected with spending blue screw rod by symmetrical draught line; Scraping arm 7 and balancing pole 8 all adopt 90 ° of right-angle bendings to extend, symmetrical centered by Hollow Transmission Shafts, as shown in Figure 2; Balanced body 9 is fixed on the end of balancing pole 8, and the application of balancing pole, balanced body makes the connection running-on side of Hollow Transmission Shafts contact abrasion with the center water inlet pipe that sedimentation basin bottom vertical is erect to reduce; Cleaning shoe 10 bottom is offset plate by connecting rod side, another side two ends are fixed with left chain wheel 10f, right pulley 10g, scraper plate work adopts pulley force controlled, reduce horizontal torsion and the reducing motor energy consumption of Hollow Transmission Shafts, to contact with pool wall A by pool side first piece of cleaning shoe 10 and control by side roller 10h, cleaning shoe 10 work by deadweight realize automatic lifting, even if the slightly poor cleaning also not affecting mud of flatness at the bottom of pond; Sludge agitation device 11 top is fixedly connected with the connection running-on 12 of Hollow Transmission Shafts 2, connects running-on 12 and is enclosed within the center water inlet pipe that stands vertically, and sludge agitation device 11 can prevent the collection mud pit E mud caking blocking discharge pipeline D mouth of pipe; Mud replaces cant through some pieces of cleaning shoes 10 and enters to collect mud pit E, is then arranged outward through discharge pipeline D by gravity or pump.
Main innovation described in above embodiment is: scraping arm 7 adopts 90 ° of right-angle bendings to extend as shown in Figure 2, realizes being flexibly connected cleaning shoe 10 by master connecting-rod 10a, slave connecting rod 10b, left screw 10c, right screw 10d, secondary screw 10e; Master connecting-rod 10a and slave connecting rod 10b, cleaning shoe 10 angle at 45 °, cleaning shoe 10 is upright in bottom surface, pond and is fixedly connected with master connecting-rod 10a; Slave connecting rod 10b to walk laterally not sideslip to control cleaning shoe 10; Cleaning shoe 10 bottom is offset plate by connecting rod side, another side two ends are fixed with left chain wheel 10f, right pulley 10g, scraper plate work adopts pulley force controlled, reduce horizontal torsion and the reducing motor energy consumption of Hollow Transmission Shafts, to contact with pool wall A by pool side first piece of cleaning shoe 10 and control by side roller 10h, cleaning shoe 10 work by deadweight realize automatic lifting, even if the slightly poor cleaning also not affecting mud of flatness at the bottom of pond.
Mud scraper Hollow Transmission Shafts of the present invention, scraping arm, balancing pole can with charcoal steel pipe to increase torsion, and perforation cloth water drum, scraping arm balancing pole draught line, lifting cleaning shoe and connecting rod screw, center water inlet connect running-on and can adopt stainless steel.
Above embodiment describes with center driving form, but the main innovate point of this technology can be used for peripheral drive sludge scraper equally.
Claims (5)
1. a center driving lift mud scraper, it is characterized in that primarily of reducing motor (1), Hollow Transmission Shafts (2), center intake chamber (3), Hollow Transmission Shafts disconnects sheet (4), perforation cloth water drum (5), scraping arm balancing pole draught line (6), scraping arm (7), balancing pole (8), balanced body (9), gravity lifting cleaning shoe (10), sludge agitation device (11) is connected running-on (12) composition with center water inlet, reducing motor (1) is positioned at work crane span structure F center, connected with Hollow Transmission Shafts (2) by shaft coupling, Hollow Transmission Shafts disconnects formation center intake chamber (3), the connection up and down of Hollow Transmission Shafts (2) is realized by brace (4), perforation cloth water drum (5) is fixedly connected with Hollow Transmission Shafts (2) by upper and lower bottom plate, scraping arm (7), balancing pole (8) are connected with Hollow Transmission Shafts (2) by scraping arm balancing pole draught line, and balanced body (9) is fixed on the end of balancing pole (8), gravity lifting cleaning shoe (10) is flexibly connected with screw with slave connecting rod (10b) by master connecting-rod (10a) with scraping arm (7), cleaning shoe (10) bottom is offset plate by connecting rod side, another side two ends are fixed with left chain wheel (10f), right pulley (10g), cleaning shoe (10) is polylith, has side roller (10h) by pool side first piece of scraper plate by pool wall one end, sludge agitation device (11) top is fixedly connected with the connection running-on (12) of Hollow Transmission Shafts (2), connects running-on (12) and is enclosed within the center water inlet pipe B that stands vertically.
2. center driving lift mud scraper as claimed in claim 1, it is characterized in that described cleaning shoe (10) is fixedly connected with master connecting-rod (10a), master connecting-rod (10a) is flexibly connected by secondary screw (10e) with slave connecting rod (10b), master connecting-rod (10a) is flexibly connected with scraping arm (7) by right screw (10d), and slave connecting rod (10b) is flexibly connected with scraping arm (7) by left screw (10c).
3. center driving lift mud scraper as claimed in claim 1, is characterized in that described scraping arm (7) adopts 90 ° of right-angle bendings to extend.
4. center driving lift mud scraper as claimed in claim 1, is characterized in that described master connecting-rod (10a) and slave connecting rod (10b) angle at 45 °.
5. center driving lift mud scraper as claimed in claim 1, is characterized in that described master connecting-rod (10a) and cleaning shoe (10) angle at 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510662987.8A CN105214351B (en) | 2015-10-14 | 2015-10-14 | Center driving lift mud scraper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510662987.8A CN105214351B (en) | 2015-10-14 | 2015-10-14 | Center driving lift mud scraper |
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| Publication Number | Publication Date |
|---|---|
| CN105214351A true CN105214351A (en) | 2016-01-06 |
| CN105214351B CN105214351B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510662987.8A Active CN105214351B (en) | 2015-10-14 | 2015-10-14 | Center driving lift mud scraper |
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| CN (1) | CN105214351B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903232A (en) * | 2016-06-15 | 2016-08-31 | 安徽省绿巨人环境技术有限公司 | Pond bottom cleaning device |
| CN106088189A (en) * | 2016-06-15 | 2016-11-09 | 安徽省绿巨人环境技术有限公司 | A kind of pond garbage cleaning device |
| CN106621491A (en) * | 2017-01-12 | 2017-05-10 | 河海大学常州校区 | Suspended center-transmission sludge scraper |
| CN107128987A (en) * | 2017-07-17 | 2017-09-05 | 太仓永固精密制件有限公司 | A kind of cesspool water treatment facilities |
| CN112851076A (en) * | 2020-12-24 | 2021-05-28 | 张艳 | Municipal sludge purification treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002085909A (en) * | 2000-09-19 | 2002-03-26 | Hitachi Plant Eng & Constr Co Ltd | Sludge raking machine |
| JP2005066582A (en) * | 2003-08-21 | 2005-03-17 | Fujika:Kk | Sludge scrape-up device in concentration tank or the like |
| CN202410258U (en) * | 2011-12-09 | 2012-09-05 | 江苏通用环保集团有限公司 | Connecting arm device on main scraping arm in square pool mud scraper |
| CN202876451U (en) * | 2012-10-09 | 2013-04-17 | 安徽红星阀门有限公司 | Sludge scraper for circular settling tank |
| CN203355390U (en) * | 2013-07-29 | 2013-12-25 | 何成良 | Peripheral transmission mud scraping machine provided with balancing weight |
| CN104511187A (en) * | 2013-09-30 | 2015-04-15 | 江苏汇通环保设备有限公司 | Suspension-type centrally-drive mud scraper |
-
2015
- 2015-10-14 CN CN201510662987.8A patent/CN105214351B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002085909A (en) * | 2000-09-19 | 2002-03-26 | Hitachi Plant Eng & Constr Co Ltd | Sludge raking machine |
| JP2005066582A (en) * | 2003-08-21 | 2005-03-17 | Fujika:Kk | Sludge scrape-up device in concentration tank or the like |
| CN202410258U (en) * | 2011-12-09 | 2012-09-05 | 江苏通用环保集团有限公司 | Connecting arm device on main scraping arm in square pool mud scraper |
| CN202876451U (en) * | 2012-10-09 | 2013-04-17 | 安徽红星阀门有限公司 | Sludge scraper for circular settling tank |
| CN203355390U (en) * | 2013-07-29 | 2013-12-25 | 何成良 | Peripheral transmission mud scraping machine provided with balancing weight |
| CN104511187A (en) * | 2013-09-30 | 2015-04-15 | 江苏汇通环保设备有限公司 | Suspension-type centrally-drive mud scraper |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105903232A (en) * | 2016-06-15 | 2016-08-31 | 安徽省绿巨人环境技术有限公司 | Pond bottom cleaning device |
| CN106088189A (en) * | 2016-06-15 | 2016-11-09 | 安徽省绿巨人环境技术有限公司 | A kind of pond garbage cleaning device |
| CN106621491A (en) * | 2017-01-12 | 2017-05-10 | 河海大学常州校区 | Suspended center-transmission sludge scraper |
| CN107128987A (en) * | 2017-07-17 | 2017-09-05 | 太仓永固精密制件有限公司 | A kind of cesspool water treatment facilities |
| CN112851076A (en) * | 2020-12-24 | 2021-05-28 | 张艳 | Municipal sludge purification treatment device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105214351B (en) | 2017-03-08 |
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Effective date of registration: 20201130 Address after: 402460 station 13, No.7, 10th floor, innovation and development center, No.19 Lingfang Avenue, Changzhou street, Rongchang District, Chongqing Patentee after: Chongqing tongyushi Technology Co., Ltd Address before: 214211 room 57, 202 health village, Wuxi Town, Yixing, Jiangsu Patentee before: Zhou Jianwei |