CN105544633A - Method for removing dirt on surface of trash rack in narrow trash rack hole - Google Patents
Method for removing dirt on surface of trash rack in narrow trash rack hole Download PDFInfo
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- CN105544633A CN105544633A CN201410606317.XA CN201410606317A CN105544633A CN 105544633 A CN105544633 A CN 105544633A CN 201410606317 A CN201410606317 A CN 201410606317A CN 105544633 A CN105544633 A CN 105544633A
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- trashrack
- grab bucket
- removing contamination
- contamination
- bucket
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Abstract
The invention discloses a method for removing dirt on the surface of a trash rack in a narrow trash rack hole. The method can solve the problem of interference of the narrow trash rack hole on a dirt removal grab bucket or a movable pulley or a steel wire rope connected to the dirt removal grab bucket, can efficiently carry out the operation of removing the dirt on the surface of the trash rack in the narrow trash rack hole, and is applicable to places in which the height of the dirt removal grab bucket is smaller than the height from the bottom surface of a hydraulic structure of upstream side hole of the trash rack to the top surface of the trash rack. The method comprises the following steps: setting the rate of a pulley block of a lifting mechanism of a lifting dirt removal grab bucket (2) as 1, namely directly connecting a steel wire rope (3) of the lifting mechanism to the dirt removal grab bucket (2), dropping the dirt removal grab bucket (2) to the top of the trash rack (1), then moving the dirt removal grab bucket (2) from a position A at the top of the trash rack to an edge B of the hydraulic structure (4) near the upstream side of the trash rack along the water flowing direction, then dropping the dirt removal grab bucket (2) to the surface of the trash rack (1) and carrying out the dirt removal operation; then extracting the dirt grabbed by the dirt removal grab bucket (2) in an opposite order, and carrying out the operation of removing the dirt on the surface of the trash rack (1).
Description
Technical field
The invention belongs to a kind of a kind of method of trashrack being removed contamination for Power Station Turbine water inlet or pumping plant irrigating gate.Concretely, be a kind of method to trashrack grid face dirt removal in stenotic type trashrack aperture.
Background technology
Before the water inlet of power station turbine-generator units or pumping plant, be generally equipped with trashrack, the dirt needs adhered to before trashrack and on trashrack grid face are removed, to ensure the unimpeded of current.But for trashrack grid face dirt removal in some stenotic type trashrack apertures, due to aperture narrow cannot hold under the remove contamination width of movable pulley of grab bucket of the width of grab bucket or lifting of removing contamination the work of removing contamination cannot normally be carried out.In the prior art; usually adopt artificial mode to this stenotic type trashrack aperture or adopt the narrow type of little bucket capacity to remove contamination to grab bucket and trashrack grid face dirt is removed; mode of the removing contamination inefficiency of this backwardness; cost is higher; poor stability; frequent needs are shut down and are removed contamination, and affect the normal operation of turbine-generator units or pumping plant.
Summary of the invention
Based on above-mentioned prior art Problems existing, the object of the invention is to solve this narrow trashrack aperture to removing contamination grab bucket or connect the interference problem of movable pulley of grab bucket of removing contamination by a kind of new method, solve this narrow trashrack aperture to the removing problem of trashrack grid face dirt with higher efficiency, the present invention is achieved by the following technical solutions:
To the method for trashrack grid face dirt removal in stenotic type trashrack aperture, less for those gaps, trashrack upstream side orifice place, the hydraulic structure restriction of aperture upstream side grab bucket of removing contamination is not easy to enter trashrack grid face and carries out work of removing contamination, and the occasion that trashrack upstream side orifice interferes the hydraulic structure that removing contamination grabs bucket removes contamination not easily to remove again or widen, its method is:
---when working for preventing trash rake, the movable pulley of the lifting mechanism of trash rake or the hydraulic structure at wire rope and aperture place produce and interfere, the pulley block ratio lifting by crane grab bucket main frame of removing contamination is set to 1, namely the main frame lifting by crane grab bucket of removing contamination does not establish movable pulley, is directly connected with grab bucket of removing contamination with the wire rope of lifting mechanism;
----the track of grab bucket of removing contamination is set at the upstream side of trashrack, at guiding device grab bucket being arranged described track of removing contamination, the guiding device that making removes contamination grabs bucket is when its orbital motion, remove contamination grab bucket downstream bucket tooth close to or stretch into the grid face of trashrack, interfere in case the bucket tooth of grab bucket of removing contamination and trashrack produce;
---grab bucket of removing contamination drops to top lower than hydraulic structure bottom surface, aperture, and bottom is higher than the elevation between trashrack top;
---upstream direction moves horizontally grab bucket of removing contamination, and makes lifting remove contamination the wire rope of grab bucket close to the edge, aperture of trashrack upstream side;
---the grab bucket of removing contamination of declining making to remove contamination the guide rail of grab bucket of removing contamination before the guiding device of grab bucket enters trashrack, the dirt in trashrack grid face under the bucket tooth in grab bucket its downstream in the process declined can be shoveled;
---closed grab bucket of removing contamination after grab bucket drops to the degree of depth of removing contamination and needing, the dirt under making grab bucket catch its shovel;
---grab bucket of removing contamination hoists to top lower than hydraulic structure bottom surface, aperture, and its underpart is higher than the elevation between trashrack top;
---along the direction of trashrack aperture current, grab bucket of removing contamination is moved horizontally to the top of trashrack;
---promote grab bucket of removing contamination to unloading dirty height;
---the dirt that bucket unloading grab bucket crawl of removing contamination is opened in the position of unloading dirt.
Method to trashrack grid face dirt removal in stenotic type trashrack aperture of the present invention, remove contamination before described trashrack grab bucket guide rail, it can be the track arranged at trashrack upstream side, be now corresponding guide wheel or slide block at the guiding device that grab bucket arranges described its track of trashrack upstream side of removing contamination, the grab bucket that makes to remove contamination makes it keep the position relationship relative with trashrack in the process declined.
Method to trashrack grid face dirt removal in stenotic type trashrack aperture of the present invention, the described track arranged at trashrack upstream side, it can be the track be directly connected on trashrack, such as this track can weld together with trashrack, also can bolt together, this track can also be arranged on the hydraulic structure of aperture sidewall.
Method to trashrack grid face dirt removal in stenotic type trashrack aperture of the present invention, remove contamination before described trashrack grab bucket guide rail, refer to the grid face of trashrack and the sidewall in trashrack aperture, now the guiding device that grab bucket is arranged of removing contamination be corresponding with trashrack grid face for the guide wheel of guiding with take aperture sidewall as side wheel or the slide block of guiding, the grab bucket that makes to remove contamination makes it keep the position relationship relative with trashrack in the process declined.
Method to trashrack grid face dirt removal in stenotic type trashrack aperture of the present invention, described grab bucket of removing contamination can be hydraulic grab, and this hydraulic grab is according to the difference of its hydraulic power unit setting position, and its type of attachment is also different.When hydraulic power unit is arranged in grab bucket, grab bucket of removing contamination is connected with its main frame by cable, now described cable should be arranged in the plan-position of the Transverse to the flow direction close to grab bucket hoist rope place of removing contamination as far as possible, scrapes to avoid the aperture of this cable and trashrack upstream side when grab bucket of removing contamination upstream moves to the position of removing contamination to produce to touch; When on the main frame that hydraulic power unit is arranged in grab bucket, grab bucket of removing contamination is connected with its main frame by hydraulic oil pipe, now described hydraulic oil pipe should be arranged in the plan-position of the Transverse to the flow direction close to grab bucket hoist rope place of removing contamination as far as possible, scrapes to avoid the aperture of this hydraulic oil pipe and trashrack upstream side when grab bucket of removing contamination upstream moves to the position of removing contamination to produce to touch.
Method to trashrack grid face dirt removal in stenotic type trashrack aperture of the present invention, described grab bucket of removing contamination can be machinery grab bucket, this mechanical type remove contamination opening and closing wire rope of grab bucket of the opening and closing that is connected with its main frame of grabbing bucket should be arranged in the position of the plane of the Transverse to the flow direction close to grab bucket hoist rope place of removing contamination as far as possible, scrapes to avoid the aperture of this opening and closing wire rope and trashrack upstream side when grab bucket of removing contamination upstream moves to the position of removing contamination to produce to touch.
Method to trashrack grid face dirt removal in stenotic type trashrack aperture of the present invention, described top is lower than hydraulic structure bottom surface, aperture, refer to and may carry out the bottom surface of the hydraulic architecture object of interfering with removing contamination to grab bucket, such as it can be the bottom surface of upstream side orifice beam body, or the bottom surface of aperture place aperture cover plate.
Accompanying drawing explanation
Fig. 1 is the explanation schematic diagram of this method applicable situation.
Fig. 2 is that this method is removed contamination the schematic diagram that drops between hydraulic structure bottom surface, aperture and trashrack top of grabbing bucket.
Fig. 3 is that this method grab bucket of removing contamination moves to the schematic diagram at upstream side orifice edge.
Fig. 4 be this method remove contamination grab bucket drop to the schematic diagram carrying out removing contamination in trashrack grid face.
Fig. 5 is that this method is removed contamination the closed schematic diagram catching dirt of grab bucket.
Fig. 6 is that this method is removed contamination the schematic diagram that is promoted between hydraulic structure bottom surface, aperture and trashrack top of grabbing bucket.
Fig. 7 is that this method grab bucket of removing contamination moves to the schematic diagram at trashrack top.
The schematic diagram of Fig. 8 to be used a kind of of this method with the sidewall in the grid face of trashrack and trashrack aperture be remove contamination grab bucket and trashrack and trashrack ostium of guiding.
Fig. 9 is the schematic diagram that work of removing contamination is carried out in grab bucket of removing contamination that used a kind of of this method is guiding with grooved track set on trashrack.
Figure 10 is the sectional drawing of the trashrack shown in Fig. 9.
Above in each figure: 1---trashrack, 2---grab bucket of removing contamination, 3---the wire rope of lifting grab bucket, 4---aperture hydraulic structure, 5---grab bucket of removing contamination is with the side wheel of aperture sidewall for guiding, 6---grab bucket of removing contamination is with the guide wheel of trashrack grid face for guiding, 7---the bucket tooth in grab bucket downstream of removing contamination, 8---the sidewall in trashrack aperture, 9---the targeting part of epimerite trashrack, 10---the track of the grab bucket grooved of removing contamination that trashrack is arranged, 11---with the guide wheel of trashrack grooved track for guiding.
Detailed description of the invention
Fig. 1 is a key diagram to the method applicable situation of trashrack grid face dirt removal in stenotic type trashrack aperture of the present invention, in figure, the grid face of trashrack 1 is L1 to the horizontal range of aperture hydraulic structure 4, and the end face of trashrack 1 is L2 to the vertical distance of aperture hydraulic structure 4 bottom surface; The width dimensions of grab bucket 2 of removing contamination in figure is L3, and the height dimension of grab bucket 2 of removing contamination is h.For the aperture of this stenotic type trashrack, because the grid face of its trashrack to be generally all less than the width dimensions L3 of grab bucket of removing contamination to the horizontal range L1 of aperture hydraulic structure, removing contamination grab bucket method routinely directly can not carry out the work of removing contamination in the lower grid face to trashrack.If but this height dimension h the removing contamination grab bucket end face that is less than trashrack 1 to the vertical distance L2 of aperture hydraulic structure 4 bottom surface time, the position A of grab bucket 1 by trashrack top that remove contamination can be moved to the edge B of the hydraulic structure 4 near trashrack upstream side by grab bucket 2 of removing contamination in this L2 space along water (flow) direction, method of the present invention can be adopted to carry out work of removing contamination.
Fig. 2 ~ Fig. 7 is the procedure declaration schematic diagram that this method is implemented, Fig. 2 represent removing contamination grab bucket drop between the bottom surface of aperture hydraulic structure 4 and trashrack top position, Fig. 3 represents that this grab bucket of removing contamination moves to the situation at upstream side orifice edge, because the pulley block ratio lifting by crane this grab bucket 2 is 1, the wire rope 3 of lifting mechanism of grab bucket is directly connected with grab bucket of removing contamination, and the wire rope that making removes contamination grabs bucket aperture of can more getting along well close to the upstream side orifice of hydraulic structure 4 contacts; Because the height of grab bucket of removing contamination builds the vertical distance L2 of end face to aperture hydraulic structure 4 bottom surface that size h is less than trashrack 1, the grab bucket 2 that makes to remove contamination can not produce interference with the aperture hydraulic structure of upstream side.
Fig. 4 is the situation removed contamination in grid face that the grab bucket 2 of removing contamination of the present embodiment drops to trashrack 1, the dirt of grab bucket 2 under the bucket tooth in its downstream of decline process can shovel on trashrack 1 grid face of now removing contamination.
Fig. 5 is that the grab bucket 2 of removing contamination of the present embodiment pawl that struggles against closes the situation catching dirt.
Fig. 6 is the operating mode that the grab bucket 2 of removing contamination of the present embodiment is promoted between aperture hydraulic structure 4 bottom surface and trashrack 1 top, and grab bucket 1 of removing contamination highly moves in parallel at this, can not produce interfere with aperture or trashrack.
Fig. 7 is the operating mode that the grab bucket 2 of removing contamination of the present embodiment moves to trashrack 1 top, and so far, removing contamination grab bucket just can propose the aperture of trashrack to unloading dirty height, then unloads at the station unloading dirt the dirt that grab bucket 2 catches.The process that in this stenotic type trashrack aperture, trashrack grid face dirt is once removed contamination can be completed by the step of Fig. 2 ~ Fig. 7.
Fig. 8 is that used a kind of of this method removes contamination the schematic diagram of grab bucket and trashrack and trashrack ostium, the track of grabbing bucket of removing contamination in figure is the grid face of trashrack 1 and the side, aperture of trashrack 1, the guiding device of grab bucket 2 of removing contamination comprises the directive wheel 6 that grab bucket 2 of removing contamination can be rolled along trashrack grid face, and the side wheel 5 that can roll along side, trashrack aperture.Due to the directive wheel 6 of grab bucket 2 of removing contamination and the location of side wheel 5, the bucket tooth 7 in grab bucket 2 downstream that makes to remove contamination maintains the relative position of relative trashrack 1, when the grab bucket that makes to remove contamination moves down, can shovel the dirt on lower trashrack grid face.
The top gate page going up most joint trashrack of trashrack 1 shown in Fig. 8 cuts the oblique angle 9 to grab bucket guiding of removing contamination, and the grab bucket 2 that makes to remove contamination can enter the grid face before trashrack 1 grid smoothly under the guiding of its directive wheel 6, carries out the work of removing contamination.
Trashrack 1 shown in Fig. 9 is provided with the track 10 of grab bucket grooved of removing contamination, grab bucket 2 of removing contamination is provided with the guide wheel of grooved track on trashrack for guiding, the relative position relation of maintenance and trashrack when making to remove contamination grab bucket lifting, the bucket tooth 7 in grab bucket 2 downstream of making to remove contamination maintains the relative position of relative trashrack 1, when the grab bucket that makes to remove contamination moves down, the dirt on lower trashrack grid face can be shoveled.
Figure 10 is the sectional drawing of the trashrack shown in Fig. 9, and the upstream side of trashrack shown in figure is provided with the grooved track of grab bucket of removing contamination, and this track and trashrack are welded as a whole.
Claims (6)
1. the method for trashrack grid face dirt removal in pair stenotic type trashrack aperture, less for those gaps, trashrack upstream side orifice place, the hydraulic structure restriction of aperture upstream side grab bucket of removing contamination is not easy to enter trashrack grid face and carries out work of removing contamination, and the occasion that trashrack upstream side orifice interferes the hydraulic structure that removing contamination grabs bucket removes contamination not easily to remove again or widen, the feature of this method is:
---the pulley block ratio of grab bucket main frame of lifting being removed contamination is set to 1, and the main frame namely lifting by crane grab bucket of removing contamination does not establish movable pulley, is directly connected with grab bucket of removing contamination with the wire rope of lifting mechanism;
----the track of grab bucket of removing contamination is set at the upstream side of trashrack, at guiding device grab bucket being arranged described track of removing contamination, the guiding device that making removes contamination grabs bucket is when its orbital motion, remove contamination grab bucket downstream bucket tooth close to or stretch into the grid face of trashrack, interfere in case the bucket tooth of grab bucket of removing contamination and trashrack produce;
---grab bucket of removing contamination drops to top lower than trashrack upstream side orifice hydraulic structure bottom surface, and bottom is higher than the elevation between trashrack top;
---upstream direction moves horizontally grab bucket of removing contamination, and makes lifting remove contamination the wire rope of grab bucket close to the edge, aperture of trashrack upstream side;
---the grab bucket of removing contamination of declining making to remove contamination the guide rail of grab bucket of removing contamination before the guiding device of grab bucket enters trashrack, makes the dirt in trashrack grid face under the bucket tooth shovel in grab bucket its downstream in the process declined;
---closed grab bucket of removing contamination after grab bucket drops to the degree of depth of removing contamination and needing, the dirt under making grab bucket catch its shovel;
---grab bucket of removing contamination hoists to top lower than hydraulic structure bottom surface, aperture, and its underpart is higher than the elevation between trashrack top;
---along the direction of trashrack aperture current, grab bucket of removing contamination is moved horizontally to the top of trashrack;
---promote grab bucket of removing contamination to unloading dirty height;
---the dirt that bucket unloading grab bucket crawl of removing contamination is opened in the position of unloading dirt.
2. the method to trashrack grid face dirt removal in stenotic type trashrack aperture according to claim 1, remove contamination before it is characterized in that described trashrack grab bucket guide rail, it is the track to grab bucket guiding of removing contamination arranged at trashrack upstream side, be now corresponding guide wheel or slide block at the guiding device that grab bucket arranges described track of removing contamination, the grab bucket that makes to remove contamination makes it keep the position relationship relative with trashrack in the process of lifting.
3. the method to trashrack grid face dirt removal in stenotic type trashrack aperture according to claim 2, it is characterized in that the described track arranged at trashrack upstream side, is the track be directly connected on trashrack.
4. the method to trashrack grid face dirt removal in stenotic type trashrack aperture according to claim 1, remove contamination before it is characterized in that described trashrack grab bucket guide rail, refer to the grid face of trashrack and the sidewall in trashrack aperture, now remove contamination grab bucket arranges described guiding device be corresponding with trashrack grid face for the guide wheel of guiding with take aperture sidewall as side wheel or the slide block of guiding, the grab bucket that makes to remove contamination makes it keep the position relationship relative with trashrack in the process of lifting.
5. the method to trashrack grid face dirt removal in stenotic type trashrack aperture according to claim 1, it is characterized in that described grab bucket of removing contamination is for hydraulic grab, the cable that this hydraulic grab is connected with its main frame or hydraulic oil pipe should be arranged in the plan-position of the Transverse to the flow direction close to grab bucket hoist rope place of removing contamination as far as possible.
6. the method to trashrack grid face dirt removal in stenotic type trashrack aperture according to claim 1, it is characterized in that described grab bucket of removing contamination is for mechanical type grab bucket, the grab bucket opening and closing wire rope that is connected with its main frame of this mechanical type should be arranged in the close position of plane of Transverse to the flow direction at hoist rope place of grabbing bucket of removing contamination as far as possible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410606317.XA CN105544633B (en) | 2014-11-03 | 2014-11-03 | To the method for trash rack grid face dirt removal in stenotic type trash rack aperture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410606317.XA CN105544633B (en) | 2014-11-03 | 2014-11-03 | To the method for trash rack grid face dirt removal in stenotic type trash rack aperture |
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| Publication Number | Publication Date |
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| CN105544633A true CN105544633A (en) | 2016-05-04 |
| CN105544633B CN105544633B (en) | 2017-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410606317.XA Active CN105544633B (en) | 2014-11-03 | 2014-11-03 | To the method for trash rack grid face dirt removal in stenotic type trash rack aperture |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592661A (en) * | 2017-01-23 | 2017-04-26 | 安徽省六安恒源机械有限公司 | Dirt removing machine |
| CN107905184A (en) * | 2017-12-25 | 2018-04-13 | 郑州微源科技有限公司 | Remove contamination grab bucket and its cleaning method with vibratory impulse teeth |
| CN109930572A (en) * | 2019-05-02 | 2019-06-25 | 郑州微源科技有限公司 | One kind, which is removed contamination, assists trash rack and its cleaning method |
| CN110306542A (en) * | 2019-06-24 | 2019-10-08 | 中冶集团武汉勘察研究院有限公司 | Inner core is the construction method of the cement concrete composite pile of high pressure water soil |
| CN110872067A (en) * | 2018-09-01 | 2020-03-10 | 广西大学 | Trash remover control system capable of increasing water entry depth through accelerated descending |
| CN114319268A (en) * | 2022-02-26 | 2022-04-12 | 安徽禹安建设工程有限公司 | River course is administered and is used trash rack cleaning device based on urban water conservancy |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1209966B (en) * | 1957-07-22 | 1966-01-27 | Ignazio Failla | Excavator equipment for digging trenches and shafts |
| CN2332697Y (en) * | 1997-09-29 | 1999-08-11 | 电力工业部郑州机械设计研究所 | Grab bucket for grabbing grille filtered objects |
| CN201074338Y (en) * | 2007-08-13 | 2008-06-18 | 山东水总机械工程有限公司 | Reciprocating bucket grab raking equipment |
| CN103669445A (en) * | 2012-08-30 | 2014-03-26 | 吕燕林 | Pollution removing grab bucket of which rotation harrow and shovel teeth can relatively slide |
-
2014
- 2014-11-03 CN CN201410606317.XA patent/CN105544633B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1209966B (en) * | 1957-07-22 | 1966-01-27 | Ignazio Failla | Excavator equipment for digging trenches and shafts |
| CN2332697Y (en) * | 1997-09-29 | 1999-08-11 | 电力工业部郑州机械设计研究所 | Grab bucket for grabbing grille filtered objects |
| CN201074338Y (en) * | 2007-08-13 | 2008-06-18 | 山东水总机械工程有限公司 | Reciprocating bucket grab raking equipment |
| CN103669445A (en) * | 2012-08-30 | 2014-03-26 | 吕燕林 | Pollution removing grab bucket of which rotation harrow and shovel teeth can relatively slide |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592661A (en) * | 2017-01-23 | 2017-04-26 | 安徽省六安恒源机械有限公司 | Dirt removing machine |
| CN106592661B (en) * | 2017-01-23 | 2019-04-30 | 安徽省六安恒源机械有限公司 | Trash |
| CN107905184A (en) * | 2017-12-25 | 2018-04-13 | 郑州微源科技有限公司 | Remove contamination grab bucket and its cleaning method with vibratory impulse teeth |
| CN110872067A (en) * | 2018-09-01 | 2020-03-10 | 广西大学 | Trash remover control system capable of increasing water entry depth through accelerated descending |
| CN109930572A (en) * | 2019-05-02 | 2019-06-25 | 郑州微源科技有限公司 | One kind, which is removed contamination, assists trash rack and its cleaning method |
| CN110306542A (en) * | 2019-06-24 | 2019-10-08 | 中冶集团武汉勘察研究院有限公司 | Inner core is the construction method of the cement concrete composite pile of high pressure water soil |
| CN110306542B (en) * | 2019-06-24 | 2023-10-10 | 中冶集团武汉勘察研究院有限公司 | Construction method of cement concrete composite pile with high-pressure cement soil as inner core |
| CN114319268A (en) * | 2022-02-26 | 2022-04-12 | 安徽禹安建设工程有限公司 | River course is administered and is used trash rack cleaning device based on urban water conservancy |
| CN114319268B (en) * | 2022-02-26 | 2024-02-20 | 安徽禹安建设工程有限公司 | River course is administered with trash rack cleaning device based on urban water conservancy |
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