CN117209107A - Sludge treatment device and method for dredging engineering - Google Patents
Sludge treatment device and method for dredging engineering Download PDFInfo
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- CN117209107A CN117209107A CN202311482418.6A CN202311482418A CN117209107A CN 117209107 A CN117209107 A CN 117209107A CN 202311482418 A CN202311482418 A CN 202311482418A CN 117209107 A CN117209107 A CN 117209107A
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- 239000010802 sludge Substances 0.000 title claims abstract description 73
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 106
- 230000007246 mechanism Effects 0.000 claims abstract description 98
- 238000007789 sealing Methods 0.000 claims abstract 2
- 238000012545 processing Methods 0.000 claims description 45
- 230000001680 brushing effect Effects 0.000 claims description 26
- 230000000149 penetrating effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 5
- 230000008602 contraction Effects 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- CBVWMGCJNPPAAR-HJWRWDBZSA-N (nz)-n-(5-methylheptan-3-ylidene)hydroxylamine Chemical compound CCC(C)C\C(CC)=N/O CBVWMGCJNPPAAR-HJWRWDBZSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000003516 soil conditioner Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
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Abstract
The invention relates to the technical field of dredging engineering and discloses a sludge treatment device for dredging engineering, which comprises a pipeline body and a sludge treatment mechanism, wherein a treatment through hole is formed in the side part of the pipeline body, the sludge treatment mechanism is connected to the outer end of the treatment through hole, the sludge treatment mechanism comprises a connecting pipe, a sludge treatment device and a treatment switching device, the connecting pipe is fixedly connected to the outer end of the treatment through hole, the treatment switching device is fixedly arranged at the outer end of the connecting pipe, the sludge treatment device is fixedly arranged at the outer end of the treatment switching device, the sludge treatment device comprises a baffle plate, an electric hydraulic device I, an electric hydraulic device II and a cleaning mechanism, and the treatment switching device comprises a flashboard and a screw rod. The sludge treatment device and the treatment method for the dredging engineering are convenient for automatic control and sealing in the drainage process, prevent drainage from leaking to a sludge treatment mechanism, and automatically control and open for subsequent sludge treatment operation when sludge treatment is needed.
Description
Technical Field
The invention relates to the technical field of dredging engineering, in particular to a sludge treatment device and a sludge treatment method for the dredging engineering.
Background
Dredging works refers to earth and stone works for widening and deepening water areas by adopting dredgers or other machines and manually excavating underwater. The dredging engineering grooving design stress diagram causes the change of the internal structure of the water flow by changing the geometric boundary of the water flow of the river channel, so that the newly formed water flow structure can not only ensure that sediment is not deposited in the channel (at least before the next flood season comes), but also can convey the sediment entering the grooving into the lower deep groove to maintain the stability of the channel. The sludge treatment is a processing process for treating, solidifying, dehydrating, stabilizing, drying or incinerating the sludge, directly utilizes the advantages of low investment, low energy consumption, low operation cost, capability of converting organic parts into soil conditioner components and the like in the sludge land, is considered to be a treatment mode with the most development potential, scientifically and reasonably utilizes the land, and can reduce the negative effects brought by the sludge.
The existing sludge treatment device is inconvenient to automatically control and switch drainage or seal sludge treatment, the operation steps are inconvenient, the sludge treatment method is simple and concise, and the efficient expansion and contraction to the inside of a pipeline are difficult to fully clean. For this purpose, a corresponding technical solution needs to be designed to solve.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a sludge treatment device for dredging engineering and a treatment method thereof, which solve the technical problems that the automatic control of drainage or the closed treatment of sludge is inconvenient, the operation steps are inconvenient, the sludge treatment method is simple and concise, and the efficient expansion and contraction to the inside of a pipeline are difficult to fully clean.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the sludge treatment device for the dredging engineering comprises a pipeline body and a sludge treatment mechanism, wherein a treatment through hole is formed in the side part of the pipeline body, the sludge treatment mechanism is connected to the outer end of the treatment through hole, the sludge treatment mechanism comprises a connecting pipe, a sludge treatment device and a treatment switching device, the connecting pipe is fixedly connected to the outer end of the treatment through hole, the treatment switching device is fixedly arranged at the outer end of the connecting pipe, the sludge treatment device is fixedly arranged at the outer end of the treatment switching device, the inner diameter and the outer diameter of the connecting pipe are the same as those of the sludge treatment device, and the inner diameter and the outer diameter of the connecting pipe and the inner diameter of the sludge treatment device are smaller than those of the treatment switching device;
the sludge treatment device comprises a baffle, an electric hydraulic device I, an electric hydraulic device II and a cleaning mechanism, wherein the baffle is connected to the outer side of the sludge treatment device through bolts, the electric hydraulic device I is fixedly arranged in the middle of the inner side wall of the baffle, the output end of the electric hydraulic device I is connected with a hydraulic rod I and a hydraulic rod II which are in a multi-connecting-rod structure, the electric hydraulic device II is fixedly arranged at the inner side end of the hydraulic rod II, the output ends of the two sides of the electric hydraulic device II are connected with a hydraulic rod III, and the cleaning mechanism is symmetrically arranged at the side end of the hydraulic rod III;
the processing switching device comprises a flashboard and a screw rod, a slot with a U-shaped structure is formed in the inner side wall of the processing switching device, the flashboard is slidably connected to the inside of the slot, the screw rod is fixedly arranged at the middle position of the top of the flashboard, a limiting plate is welded at the top of the flashboard, and the long width of the limiting plate is identical with that of the processing switching device.
Preferably, the circumference of the baffle is annular and fixedly provided with the observation plate, a control panel is arranged in the middle of the outer side of the baffle, and the control panel is electrically connected with the first electro-hydraulic device, the second electro-hydraulic device and the cleaning mechanism. The multiple groups of observation plates are convenient for directly observing the internal treatment state in a perspective way, and the control panel is used for intelligently controlling the first electro-hydraulic device, the second electro-hydraulic device and the cleaning mechanism.
Preferably, reinforcing rods are welded and distributed between the outer side wall of the first electro-hydraulic device and the inner side of the baffle plate. The reinforcing rod is used for reinforcing the strength of the electric hydraulic device which is supported on the inner side of the baffle, and the stability is high.
Preferably, the cleaning mechanism comprises a driving device, a rotating column, a fixing base, an electric push rod device, a brushing plate mechanism, a reciprocating adjusting mechanism and a fixing disc, wherein the driving device is fixedly arranged at the side end of a hydraulic rod III, the rotating column is connected with the output end of the driving device, the fixing base is fixedly arranged at the outer end of the rotating column, the fixing disc is fixedly arranged at the middle position of the rotating column, the electric push rod device is connected and distributed on one circle of the side wall of the fixing disc, the output end of the electric push rod device is connected with a push rod, the brushing plate mechanism is fixedly arranged at the outer end of the push rod, and the reciprocating adjusting mechanism is connected and distributed at the outer end of the electric push rod device and the outer end of the fixing base. The driving device is used for driving and controlling the rotation column, the fixed disc and the fixed seat to rotate, the electric push rod device is used for supporting and adjusting the expansion of the brushing plate mechanism, and the reciprocating adjusting mechanism is used for controlling the electric push rod device and the brushing plate mechanism to be turned and adjusted in a small range.
Preferably, the brush plate mechanism comprises a cleaning plate, a cleaning rod and cleaning brushes, wherein the cleaning plate is welded at the outer end of the push rod, the cleaning rods are welded at two sides of the cleaning plate, and the cleaning brushes are distributed in an array mode and fixedly arranged at the outer ends of the cleaning plate and the cleaning rod. The cleaning plate and the cleaning rod are used for supporting the cleaning brush, the cleaning brush is high in strength and large in area, and the cleaning brush is made of nylon wires and has excellent wear resistance and corrosion resistance.
Preferably, the inner side end of the electric push rod device is welded with an extension plate, a rotating seat is fixedly distributed on one circumference of the side wall of the fixed disc, a rotating rod is connected to the inside of the rotating seat in a rotating mode, and the extension plate is fixedly arranged above the rotating rod. The extension board is used for supporting the dwang top, and the dwang is used for supporting the inside activity of rotating the seat and adjusts, avoids the card to block.
Preferably, the reciprocating adjustment mechanism comprises an electric hydraulic rod, an electric hydraulic cylinder, a first support and a second support, wherein the electric hydraulic rod is connected to the output end of the electric hydraulic cylinder, a second rotating shaft rod is welded to the outer end of the electric hydraulic rod, the second rotating shaft rod is rotationally connected to the inner portion of the second support, the second support is welded to the outer end of the electric push rod device, a first rotating shaft rod is welded to the outer end of the electric hydraulic cylinder, the first rotating shaft rod is rotationally connected to the inner portion of the first support, the first support is welded to the outer end of the fixed seat, a power interface is distributed to the outer end of the fixed seat in an electric connection mode, and the side portion of the electric hydraulic cylinder is electrically connected to the power interface through a wire. The electric hydraulic rod and the electric hydraulic cylinder are used for adjusting the inner and outer activities of the electric push rod device in a telescopic adjustment control mode, the first support and the second support respectively support the first rotating shaft rod and the second rotating shaft rod in a movable adjustment mode, and the power interface is used for connecting the electric hydraulic cylinder in a power supply mode.
Preferably, the processing switching device further comprises a fixing frame, a cross rod and a driving gear, wherein the fixing frame is of an L-shaped structure and is welded on two sides of the processing switching device respectively, the cross rod is welded and distributed on the upper side of the fixing frame, a fixed cylinder is fixedly arranged at the middle end of the cross rod, a rotating cylinder is connected to the inner portion of the fixed cylinder in a rotating mode, the screw rod is connected to the inner portion of the rotating cylinder in a threaded penetrating mode, supporting rods are distributed on one circle of the upper portion of the rotating cylinder in a welding mode, a gear disc of an annular structure is welded on the upper portion of the supporting rods, and the driving gear is connected to the left side of the gear disc in a meshed mode. The fixing frame with the L-shaped structure is used for supporting double groups of cross bars at high strength, the cross bars are used for supporting a fixed cylinder and a driving gear, the fixed cylinder is used for supporting a rotating cylinder to rotate, the rotating cylinder is used for supporting a screw rod to lift and adjust through the action of threads, the supporting rod is used for supporting a gear disc at high strength, and the gear disc is used for rotating and adjusting to drive the rotating cylinder to rotate.
Preferably, the middle of the driving gear is connected with a driving rotating rod in a penetrating way, the bottom of the driving rotating rod is movably connected with a bearing cylinder, the bearing cylinder is fixedly arranged between the transverse rods and is positioned at the left side of the fixed cylinder, a supporting plate is welded at the upper side of the transverse rods near the rear end, the top of the driving rotating rod is rotationally connected with a first bearing seat, the first bearing seat is fixedly arranged at the upper end of the inner side of the supporting plate, a first limiting disc is fixedly arranged at the lower end of the outer part of the driving rotating rod, a driving belt is sleeved outside the first limiting disc, a second limiting disc is sleeved on the left side of the driving belt, a driving shaft rod is connected in a penetrating way inside the second limiting disc, a second bearing seat is movably connected at the top of the driving shaft rod, the second bearing seat is fixedly arranged at the upper end of the inner side of the supporting plate, a driving motor is connected at the bottom of the driving shaft rod, and the driving motor is arranged below the transverse rods. The driving rotating rod is used for rotating and adjusting the auxiliary driving gear to rotate, the bearing cylinder is used for supporting the driving rotating rod to rotate, the first bearing seat is used for assisting in positioning the driving rotating rod to rotate, the supporting plate is used for fixedly supporting the first bearing seat and the second bearing seat, the first limiting disc and the second limiting disc are used for sleeving a driving belt to control transmission, the driving belt is used for transmitting the driving shaft rod and the driving rotating rod, and the driving motor is used for controlling the driving shaft rod to rotate.
Compared with the prior art, the invention has the beneficial effects that: through the flashboard of pegging graft inside processing switching device be convenient for seal at drainage in-process automated control, prevent that the drainage from leaking to silt processing mechanism, and automated control opens when needs handle silt and carry out follow-up silt processing operation, through the electro-hydraulic device one that sets up at silt processing apparatus inboard end connect hydraulic stem one, hydraulic stem two and electro-hydraulic device two connect hydraulic stem three, be convenient for automated control pass processing switching device, connecting pipe and processing through-hole to the centre department of pipeline body, can extend the regulation to the inside wall of pipeline body through the clean mechanism of setting, so that the whole inside wall of pipeline body is cleaned, thereby make the clean board of brushing board mechanism and the high efficiency of a plurality of clean brushes of clean pole lateral wall handle silt, and make brushing the board mechanism clean about rotatory clean, clean scope and cleaning efficiency have been improved greatly.
Drawings
FIG. 1 is a schematic view of the overall front upper right perspective structure of the present invention;
FIG. 2 is a schematic view of the top view of the shutter drive structure of the present invention;
FIG. 3 is a schematic view of the lower view of the shutter drive structure of the present invention;
FIG. 4 is a schematic view of the view angle structure in the pipeline according to the present invention;
FIG. 5 is a schematic view showing the internal cross-sectional structure of the sludge treatment apparatus of the present invention;
FIG. 6 is a schematic view of the right-hand cross-sectional construction of the sludge treatment apparatus of the present invention;
FIG. 7 is a schematic view of the structure of section A-A of FIG. 6 in accordance with the present invention;
FIG. 8 is a schematic view of a silt treating roll cleaning mechanism of the present invention;
FIG. 9 is a schematic view of a reciprocating adjustment mechanism of the present invention;
FIG. 10 is a schematic diagram showing the front view of the roller cleaning mechanism for sludge treatment according to the present invention.
In the drawing, a pipe body 1, a treatment through hole 10, a connection pipe 21, a sludge treatment device 22, a baffle 221, an observation plate 222, a control panel 223, an electro-hydraulic device one 224, a hydraulic rod one 2241, a hydraulic rod two 2242, a reinforcing rod 2243, an electro-hydraulic device two 225, a hydraulic rod three 2251, a cleaning mechanism 226, a driving device 2261, a rotation column 2262, a fixing base 2263, an electric push rod device 2264, a push rod 22641, an extension plate 22642, a rotation rod 22643, a rotation seat 22644, a brush plate mechanism 2265, a cleaning plate 22651, a cleaning rod 22652, a cleaning brush 22653, a reciprocation adjustment mechanism 2266, an electro-hydraulic rod 22661, an electro-hydraulic cylinder 22662, a rotation rod one 22663, a support one 22664, a rotation rod two 22665, a support two 22666, a power source interface 22667, a fixed disk 2267, a treatment switching device 23, a limit plate 231, a fixed disk 232, a fixed disk 233, a cross rod 234, a screw 235, a fixed cylinder 2351, a rotation cylinder 2352, a gear disk 2353, a support rod 2354, a drive gear 236, a drive gear wheel 2361, a drive motor 2361, a first drive shaft 2362, a first bearing block 2371, a second drive shaft 2373, a second bearing block 2373, a drive plate 2373, a second bearing block 2373.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 10, an embodiment of the present invention provides a technical solution: the utility model provides a dredging engineering is with silt processing apparatus, including pipeline body 1 and silt processing mechanism, processing through-hole 10 has been seted up to the lateral part of pipeline body 1, silt processing mechanism is connected in the outer end of processing through-hole 10, silt processing mechanism is including connecting pipe 21, silt processing apparatus 22 and processing auto-change over device 23, connecting pipe 21 is fixed to the outer end of processing through-hole 10, processing auto-change over device 23 is fixed to the outer end of locating connecting pipe 21, silt processing apparatus 22 is fixed to the outer end of locating processing auto-change over device 23, and connecting pipe 21 is the same with the inside and outside footpath of silt processing apparatus 22, connecting pipe 21 and the inside and outside footpath of silt processing apparatus 22 are all less than the inside and outside footpath of processing auto-change over device 23, be convenient for switch drainage and silt processing;
the sludge treatment device 22 comprises a baffle 221, an electric hydraulic device I224, an electric hydraulic device II 225 and a cleaning mechanism 226, wherein the baffle 221 is connected to the outer side of the sludge treatment device 22 through bolts, the electric hydraulic device I224 is fixedly arranged in the middle of the inner side wall of the baffle 221, the output end of the electric hydraulic device I224 is connected with a hydraulic rod I2241 and a hydraulic rod II 2242, the hydraulic rod I2241 and the hydraulic rod II 2242 are of a multi-link structure, the multi-link structure is convenient for extending into the pipeline body 1 in a long distance, the electric hydraulic device II 225 is fixedly arranged at the inner side end of the hydraulic rod II 2242, the output ends of the two sides of the electric hydraulic device II 225 are both connected with a hydraulic rod III 2251, the cleaning mechanism 226 is symmetrically arranged at the side end of the hydraulic rod III 2251, and the cleaning mechanism 226 with a symmetrical structure facilitates cleaning the inner side wall of the pipeline body 1 in a large range;
the processing switching device 23 comprises a flashboard 231 and a screw rod 235, a slot 230 with a U-shaped structure is formed in the inner side wall of the processing switching device 23, the flashboard 231 is more attached to the whole structure of the flashboard 230, the flashboard 231 is slidably connected to the inside of the slot 230, the screw rod 235 is fixedly arranged at the top middle position of the flashboard 231, a limiting plate 232 is welded at the top of the flashboard 231, the long width of the limiting plate 232 is identical to the long width of the processing switching device 23, and the limiting plate 232 is sealed and pressed after being closed, so that leakage is avoided.
Further, an observation plate 222 is fixedly distributed on the periphery of the baffle 221 in a ring shape, and a control panel 223 is installed in the middle of the outer side of the baffle 221, and the control panel 223 is electrically connected to the first electro-hydraulic device 224, the second electro-hydraulic device 225 and the cleaning mechanism 226. The plurality of sets of viewing panels 222 facilitate direct perspective viewing of the internal processing conditions and the control panel 223 is used to intelligently manipulate the first electro-hydraulic device 224, the second electro-hydraulic device 225, and the cleaning mechanism 226.
Further improved, reinforcing bars 2243 are welded between the outer side wall of the first electro-hydraulic device 224 and the inner side of the baffle 221. The reinforcement bar 2243 is used to reinforce the strength of the first electro-hydraulic device 224 supported on the inner side of the barrier 221, and has high stability.
Further improved, the cleaning mechanism 226 comprises a driving device 2261, a rotating column 2262, a fixing base 2263, an electric pushing device 2264, a brushing mechanism 2265, a reciprocating adjusting mechanism 2266 and a fixing disk 2267, wherein the driving device 2261 is fixedly arranged at the side end of the third hydraulic rod 2251, the rotating column 2262 is connected with the output end of the driving device 2261, the fixing base 2263 is fixedly arranged at the outer end of the rotating column 2262, the fixing disk 2267 is fixedly arranged at the middle position of the rotating column 2262, the electric pushing device 2264 is connected with a periphery of the side wall of the fixing disk 2267, the output end of the electric pushing device 2264 is connected with a pushing rod 22641, the brushing mechanism 2265 is fixedly arranged at the outer end of the pushing rod 22641, and the reciprocating adjusting mechanism 2266 is connected with the outer end of the electric pushing device 2264 and the outer end of the fixing base 2263. The driving device 2261 is used for driving and controlling the rotation column 2262, the fixed disk 2267 and the fixed seat 2263 to rotate, the electric push rod device 2264 is used for supporting and adjusting the expansion and contraction of the brushing plate mechanism 2265, and the reciprocating adjusting mechanism 2266 is used for controlling the electric push rod device 2264 and the brushing plate mechanism 2265 to turn and adjust in a small amplitude.
Further, the brush plate mechanism 2265 includes a cleaning plate 22651, a cleaning rod 22652 and cleaning brushes 22653, the cleaning plate 22651 is welded to the outer end of the pushing rod 22641, the cleaning rods 22652 are welded to two sides of the cleaning plate 22651, and the cleaning brushes 22653 are distributed in an array and fixedly arranged on the outer ends of the cleaning plate 22651 and the cleaning rods 22652. The cleaning plate 22651 and the cleaning rod 22652 are used for supporting the cleaning brush 22653, the cleaning brush 22653 is high in strength and large in area, and the cleaning brush 22653 is made of nylon wires and has excellent wear resistance and corrosion resistance.
Further, an extension plate 22642 is welded to the inner side end of the electric push rod device 2264, a rotation seat 22644 is fixedly distributed on one circumference of the side wall of the fixed disk 2267, a rotation rod 22643 is rotatably connected to the inside of the rotation seat 22644, and the extension plate 22642 is fixedly arranged above the rotation rod 22643. The extension plate 22642 is used for supporting the upper part of the rotating rod 22643, and the rotating rod 22643 is used for supporting the internal movable adjustment of the rotating seat 22644 to avoid blocking.
Further more, the reciprocating adjustment mechanism 2266 includes an electro-hydraulic rod 22661, an electro-hydraulic cylinder 22662, a first support 22664 and a second support 22666, the electro-hydraulic rod 22661 is connected to the output end of the electro-hydraulic cylinder 22662, a second rotating shaft rod 22665 is welded to the outer end of the electro-hydraulic rod 22661, the second rotating shaft rod 22665 is rotatably connected to the inner portion of the second support 22666, a second support 22666 is welded to the outer end of the electro-hydraulic rod 2264, a first rotating shaft rod 22663 is welded to the outer end of the electro-hydraulic cylinder 22662, a first rotating shaft rod 22663 is rotatably connected to the inner portion of the first support 22664, a first support 22664 is welded to the outer end of the fixed base 2263, a power interface 22667 is distributed to the outer end of the fixed base 2263, and the side portion of the electro-hydraulic cylinder 22662 is electrically connected to the power interface 22667 via a conductive wire. The electro-hydraulic rod 22661 and the electro-hydraulic cylinder 22662 are used for adjusting the inner and outer activities of the electro-hydraulic rod device 2264, the first support 22664 and the second support 22666 support the first rotating shaft rod 22663 and the second rotating shaft rod 22665 respectively for adjusting the activities, and the power interface 22667 is used for connecting the electro-hydraulic cylinder 22662 in a power supply manner.
Further improved, the processing switching device 23 further comprises a fixing frame 233, a cross rod 234 and a driving gear 236, the fixing frame 233 is of an L-shaped structure and is welded on two sides of the processing switching device 23 respectively, the cross rod 234 is welded and distributed above the fixing frame 233, a fixed cylinder 2351 is fixedly arranged at the middle end of the cross rod 234, a rotating cylinder 2352 is connected to the inner portion of the fixed cylinder 2351 in a rotating mode, a screw 235 is connected to the inner portion of the rotating cylinder 2352 in a threaded penetrating mode, supporting rods 2354 are evenly welded and distributed on one circle above the rotating cylinder 2352, a circular-structure gear disc 2353 is welded above the supporting rods 2354, and the driving gear 236 is connected to the left side of the gear disc 2353 in a meshed mode. The fixing frame 233 with an L-shaped structure is used for supporting the double groups of cross bars 234 at high strength, the cross bars 234 are used for supporting the fixing cylinder 2351 and the driving gear 236, the fixing cylinder 2351 is used for supporting the rotating cylinder 2352 to rotate, the rotating cylinder 2352 is used for supporting the lifting adjustment of the screw 235 through the action of threads, the supporting rod 2354 is used for supporting the gear disc 2353 at high strength, and the gear disc 2353 is used for rotating and adjusting to drive the rotating cylinder 2352 to rotate.
Specifically, an active rotating rod 2361 is connected to the middle of the driving gear 236 in a penetrating manner, a bearing cylinder 2363 is movably connected to the bottom of the active rotating rod 2361, the bearing cylinder 2363 is fixedly arranged between the transverse rods 234 and is positioned at the left side of the fixed cylinder 2351, a supporting plate 238 is welded at the upper rear end of the transverse rods 234, a first bearing seat 2364 is rotatably connected to the top of the active rotating rod 2361, the first bearing seat 2364 is fixedly arranged at the inner upper end of the supporting plate 238, a first limiting disc 2362 is fixedly arranged at the outer near lower end of the active rotating rod 2361, a driving belt 2373 is sleeved on the outer portion of the first limiting disc 2362, a second limiting disc 2372 is sleeved on the left side of the driving belt 2373, a driving shaft rod 2371 is connected to the inner penetrating manner of the second limiting disc 2372, a second bearing seat 2374 is movably connected to the top of the driving shaft 2371, the second bearing seat 2374 is fixedly arranged at the inner upper end of the supporting plate 238, a driving motor 237 is connected to the bottom of the driving shaft 2371, and the driving motor 237 is arranged below the transverse rods 234. The driving rotating rod 2361 is used for rotating and adjusting the auxiliary driving gear 236 to rotate, the bearing cylinder 2363 is used for supporting the driving rotating rod 2361 to rotate, the bearing seat I2364 is used for assisting in positioning the driving rotating rod 2361 to rotate, the supporting plate 238 is used for fixedly supporting the bearing seat I2364 and the bearing seat II 2374, the limiting disc I2362 and the limiting disc II 2372 are used for sleeving a driving belt 2373 to control transmission, the driving belt 2373 is used for driving the driving shaft rod 2371 and the driving rotating rod 2361, and the driving motor 237 is used for controlling the driving shaft rod 2371 to rotate.
A sludge treatment method for dredging engineering comprises the following steps:
s1, the dredging engineering passes through the pipeline body 1 to drain water, and a flashboard 231 in the treatment switching device 23 is inserted into a slot 230 to be closed, so that drain water is prevented from leaking to a sludge treatment mechanism;
s2, starting a driving motor 237, automatically controlling a driving shaft rod 2371 to stably rotate under a second bearing seat 2374, enabling a second limiting plate 2372 to rotate, enabling a driving belt 2373 to drive a first limiting plate 2362 to rotate, enabling a driving rotating rod 2361 and a driving gear 236 to stably rotate between a bearing cylinder 2363 and the first bearing seat 2364, enabling the driving gear 236 to engage with a gear plate 2353 to rotate, enabling a rotating cylinder 2352 to rotate inside a fixed cylinder 2351, enabling a screw 235 to be located inside the rotating cylinder 2352 to be adjusted upwards under the action of threads, enabling a flashboard 231 to ascend, and opening the inside of a processing switching device 23 to perform subsequent processing operation;
s3, intelligently controlling the sludge treatment mechanism through the control panel 223, and directly observing the internal treatment state through the observation plate 222 in a perspective manner;
s4, starting the first electro-hydraulic device 224 to automatically control the telescopic adjustment of the first hydraulic rod 2241 and the second hydraulic rod 2242, so that the second electro-hydraulic device 225 passes through the treatment switching device 23, the connecting pipe 21 and the treatment through hole 10 to the middle of the pipeline body 1;
s5, starting the electro-hydraulic device II 225 to automatically control the hydraulic rod III 2251 to stretch and retract so that the cleaning mechanism 226 extends and adjusts to the inner side wall of the pipeline body 1, and the whole inner side wall of the pipeline body 1 is cleaned;
s6, starting the driving device 2261 to automatically control the rotating column 2262, the fixed disk 2267 and the fixed seat 2263 to perform reciprocating rotation adjustment, and simultaneously starting the electric push rod device 2264 to automatically control the push rod 22641 to stretch so that the brush plate mechanism 2265 contacts with the inner side wall of the pipeline body 1, thereby enabling the cleaning plate 22651 of the brush plate mechanism 2265 and the plurality of cleaning brushes 22653 on the side wall of the cleaning rod 22652 to efficiently treat sludge;
s7, the electric hydraulic cylinder 22662 of the reciprocating adjusting mechanism 2266 is powered by the power supply interface 22667 at the outer end of the fixing seat 2263, the electric hydraulic cylinder 22662 is started to automatically control the electric hydraulic rod 22661 to be telescopically adjusted, the whole inside and outside of the electric push rod device 2264 is further movably adjusted, the extension plate 22642 at the inner side end of the electric push rod device 2264 is movably supported on the rotating rod 22643 at the inner side end of the rotating seat 22644, and the brushing mechanism 2265 is used for brushing and cleaning left and right while cleaning in a rotating manner, so that the cleaning range and the cleaning efficiency are greatly improved.
Example 1
The cleaning mechanism 226 comprises a driving device 2261, a rotating column 2262, a fixing base 2263, an electric push rod device 2264, a plate brushing mechanism 2265, a reciprocating adjusting mechanism 2266 and a fixed disk 2267, wherein the driving device 2261 is fixedly arranged at the side end of a hydraulic rod III 2251, the rotating column 2262 is connected with the output end of the driving device 2261, the fixing base 2263 is fixedly arranged at the outer end of the rotating column 2262, the fixed disk 2267 is fixedly arranged at the middle position of the rotating column 2262, the electric push rod device 2264 is connected with a circle of the side wall of the fixed disk 2267, the output end of the electric push rod device 2264 is connected with a push rod 22641, the plate brushing mechanism 2265 is fixedly arranged at the outer end of the push rod 22641, and the reciprocating adjusting mechanism 2266 is connected with the outer end of the electric push rod device 2264 and the outer end of the fixing base 2263; the brush plate mechanism 2265 comprises a cleaning plate 22651, a cleaning rod 22652 and cleaning brushes 22653, wherein the cleaning plate 22651 is welded to the outer end of the pushing rod 22641, the cleaning rods 22652 are welded to two sides of the cleaning plate 22651, and the cleaning brushes 22653 are distributed in an array and fixedly arranged on the outer ends of the cleaning plate 22651 and the cleaning rods 22652.
Example 2
The cleaning mechanism 226 comprises a driving device 2261, a rotating column 2262, a fixing base 2263, an electric push rod device 2264, a plate brushing mechanism 2265, a reciprocating adjusting mechanism 2266 and a fixed disk 2267, wherein the driving device 2261 is fixedly arranged at the side end of a hydraulic rod III 2251, the rotating column 2262 is connected with the output end of the driving device 2261, the fixing base 2263 is fixedly arranged at the outer end of the rotating column 2262, the fixed disk 2267 is fixedly arranged at the middle position of the rotating column 2262, the electric push rod device 2264 is connected with a circle of the side wall of the fixed disk 2267, the output end of the electric push rod device 2264 is connected with a push rod 22641, the plate brushing mechanism 2265 is fixedly arranged at the outer end of the push rod 22641, and the reciprocating adjusting mechanism 2266 is connected with the outer end of the electric push rod device 2264 and the outer end of the fixing base 2263; the brush plate mechanism 2265 comprises a cleaning plate 22651, a cleaning rod 22652 and cleaning brushes 22653, wherein the cleaning plate 22651 is welded at the outer end of the pushing rod 22641, the cleaning rods 22652 are welded at two sides of the cleaning plate 22651, and the cleaning brushes 22653 are fixedly arranged at the outer ends of the cleaning plate 22651 and the cleaning rods 22652 in an array distribution manner; an extension plate 22642 is welded at the inner side end of the electric push rod device 2264, a rotating seat 22644 is fixedly distributed on one periphery of the side wall of the fixed disk 2267, a rotating rod 22643 is rotatably connected in the rotating seat 22644, and the extension plate 22642 is fixedly arranged above the rotating rod 22643; the reciprocating adjustment mechanism 2266 comprises an electric hydraulic rod 22661, an electric hydraulic cylinder 22662, a first support 22664 and a second support 22666, wherein the electric hydraulic rod 22661 is connected to the output end of the electric hydraulic cylinder 22662, a second rotating shaft rod 22665 is welded to the outer end of the electric hydraulic rod 22661, the second rotating shaft rod 22665 is rotatably connected to the inner portion of the second support 22666, a second support 22666 is welded to the outer end of the electric push rod device 2264, a first rotating shaft rod 22663 is welded to the outer end of the electric hydraulic cylinder 22662, the first rotating shaft rod 22663 is rotatably connected to the inner portion of the first support 22664, the first support 22664 is welded to the outer end of the fixed base 2263, power interfaces 22667 are distributed to the outer end of the fixed base 2263, and the side portions of the electric hydraulic cylinder 22662 are electrically connected to the power interfaces 22667 through wires.
The pipe body 1, the treatment through hole 10, the connection pipe 21, the sludge treatment device 22, the baffle 221, the observation plate 222, the control panel 223, the electro-hydraulic device one 224, the hydraulic rod one 2241, the hydraulic rod two 2242, the reinforcing rod 2243, the electro-hydraulic device two 225, the hydraulic rod three 2251, the cleaning mechanism 226, the driving device 2261, the rotation column 2262, the fixing seat 2263, the electric push rod device 2264, the push rod 22641, the extension plate 22642, the rotation rod 22643, the rotation seat 22644, the plate brushing mechanism 2265, the cleaning plate 22651, the cleaning rod 22652, the cleaning brush 22653, the reciprocation adjusting mechanism 2266, the electro-hydraulic rod 22661, the electro-hydraulic cylinder 22662, the rotation rod one 22663, the support one 22664, the rotation rod two 22665, the support two 22666, the power interface 22667, the fixing disk 2267, the treatment switching device 23, the shutter 231, the limit plate 232, the fixing frame 233, the cross rod 234, the screw 235, the fixing cylinder 2351, the rotation cylinder 2352, the gear disk 2353, the support 2354, the driving gear 236, the driving motor 2361, the first drive shaft 2362, the first support plate 2364, the first support plate 2371, the second support plate 2373, the drive shaft 2373, the second support plate 2373, the drive shaft 2373, the components are universal standard components or components known by the skilled person, the structure and principle of the components are known by the skilled person through technical manuals or known by routine experiment methods, the invention solves the problems that the automatic control of the drainage or the closed treatment of sludge is inconvenient, the operation steps are more inconvenient, the method for treating the sludge is more simple and concise, the efficient expansion and contraction of the sludge into the interior of a pipeline are difficult to fully clean, the automatic control and the closing of the drainage in the drainage process are convenient through the mutual combination of the components, the drainage is prevented from leaking to a sludge treatment mechanism, and when the sludge is required to be treated, automatic control is opened to carry out subsequent sludge treatment operation, a first hydraulic rod is connected with an electric hydraulic device, a second hydraulic rod is connected with a third hydraulic rod through a second electric hydraulic device, the automatic control is convenient to pass through a treatment switching device, a connecting pipe and a treatment through hole to the middle part of the pipeline body, and the cleaning mechanism can extend and adjust to the inner side wall of the pipeline body so as to clean the whole inner side wall of the pipeline body, so that a plurality of cleaning brushes of the cleaning plate and the cleaning rod side wall of the plate brushing mechanism are used for efficiently treating the sludge, and the plate brushing mechanism is used for brushing and cleaning left and right when the plate brushing mechanism is used for rotary cleaning, so that the cleaning range and the cleaning efficiency are greatly improved.
While the fundamental and principal features of the invention and advantages of the invention have been shown and described, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (10)
1. The utility model provides a dredging engineering is with silt processing apparatus, includes pipeline body (1) and silt processing mechanism, its characterized in that: the side part of the pipeline body (1) is provided with a treatment through hole (10), the sludge treatment mechanism is connected to the outer end of the treatment through hole (10), the sludge treatment mechanism comprises a connecting pipe (21), a sludge treatment device (22) and a treatment switching device (23), the connecting pipe (21) is fixedly connected to the outer end of the treatment through hole (10), the treatment switching device (23) is fixedly arranged at the outer end of the connecting pipe (21), the sludge treatment device (22) is fixedly arranged at the outer end of the treatment switching device (23), the inner diameter and the outer diameter of the connecting pipe (21) are identical to the inner diameter and the outer diameter of the sludge treatment device (22), and the inner diameter and the outer diameter of the connecting pipe (21) and the outer diameter of the sludge treatment device (22) are smaller than the inner diameter and the outer diameter of the treatment switching device (23);
the sludge treatment device (22) comprises a baffle plate (221), an electric hydraulic device I (224), an electric hydraulic device II (225) and a cleaning mechanism (226), wherein the baffle plate (221) is connected to the outer side of the sludge treatment device (22) through bolts, the electric hydraulic device I (224) is fixedly arranged in the middle of the inner side wall of the baffle plate (221), the output end of the electric hydraulic device I (224) is connected with a hydraulic rod I (2241) and a hydraulic rod II (2242), the hydraulic rod I (2241) and the hydraulic rod II (2242) are in a multi-link structure, the electric hydraulic device II (225) is fixedly arranged at the inner side end of the hydraulic rod II (2242), the output ends of the two sides of the electric hydraulic device II (225) are respectively connected with a hydraulic rod III (2251), and the cleaning mechanism (226) is symmetrically arranged at the side end of the hydraulic rod III (2251);
the processing switching device (23) comprises a flashboard (231) and a screw rod (235), a slot (230) with a U-shaped structure is formed in the inner side wall of the processing switching device (23), the flashboard (231) is connected to the inside of the slot (230) in a sliding mode, the screw rod (235) is fixedly arranged at the middle position of the top of the flashboard (231), a limiting plate (232) is welded at the top of the flashboard (231), and the long width of the limiting plate (232) is identical to that of the processing switching device (23).
2. Sludge treatment apparatus for dredging engineering according to claim 1, characterized in that: the periphery of the baffle (221) is fixedly distributed with an observation plate (222), a control panel (223) is installed in the middle of the outer side of the baffle (221), and the control panel (223) is electrically connected with a first electro-hydraulic device (224), a second electro-hydraulic device (225) and a cleaning mechanism (226).
3. Sludge treatment apparatus for dredging engineering according to claim 2, characterized in that: reinforcing rods (2243) are welded and distributed between the outer side wall of the first electro-hydraulic device (224) and the inner side of the baffle plate (221).
4. A dredging engineering sludge treatment apparatus according to claim 3, wherein: the cleaning mechanism (226) comprises a driving device (2261), a rotating column (2262), a fixing seat (2263), an electric push rod device (2264), a plate brushing mechanism (2265), a reciprocating adjusting mechanism (2266) and a fixing disc (2267), wherein the driving device (2261) is fixedly arranged at the side end of a hydraulic rod III (2251), the rotating column (2262) is connected with the output end of the driving device (2261), the fixing seat (2263) is fixedly arranged at the outer end of the rotating column (2262), the fixing disc (2267) is fixedly arranged at the middle position of the rotating column (2262), the electric push rod device (2264) is connected and distributed on one circle of the side wall of the fixing disc (2267), the output end of the electric push rod device (2264) is connected with a push rod (22641), and the outer end of the push rod (22641) is fixedly arranged on the plate brushing mechanism (2265), and the reciprocating adjusting mechanism (2266) is connected and distributed at the outer end of the electric push rod device (2264) and the outer end of the fixing seat (2263).
5. Sludge treatment apparatus for dredging works according to claim 4, characterized in that: the brush plate mechanism (2265) comprises a cleaning plate (22651), a cleaning rod (22652) and a cleaning brush (22653), wherein the cleaning plate (22651) is welded at the outer end of a push rod (22641), the cleaning rod (22652) is welded at two sides of the cleaning plate (22651), and the cleaning brushes (22653) are distributed in an array and fixedly arranged at the outer ends of the cleaning plate (22651) and the cleaning rod (22652).
6. Sludge treatment apparatus for dredging works according to claim 4, characterized in that: the inside end welding of electric putter device (2264) has extension board (22642), the lateral wall week of fixed disk (2267) is fixed to be distributed has rotation seat (22644), the inside rotation of rotation seat (22644) is connected with dwang (22643), the top of dwang (22643) is located to extension board (22642) is fixed.
7. Sludge treatment apparatus for dredging engineering according to claim 6, wherein: the reciprocating adjusting mechanism (2266) comprises an electric hydraulic rod (22661), an electric hydraulic cylinder (22662), a first support (22664) and a second support (22666), the electric hydraulic rod (22661) is connected to the output end of the electric hydraulic cylinder (22662), a second rotating shaft rod (22665) is welded to the outer end of the electric hydraulic rod (22661), the second rotating shaft rod (22665) is rotationally connected to the inner part of the second support (22666), the second support (22666) is welded to the outer end of the electric push rod device (2264), a first rotating shaft rod (22663) is welded to the outer end of the electric hydraulic cylinder (22662), the first support (22663) is rotationally connected to the inner part of the first support (22664), the first support (22664) is welded to the outer end of the fixed seat (2263), power interfaces (22667) are distributed in electrical connection to the outer end of the fixed seat (2263), and the side parts of the electric hydraulic cylinder (22662) are electrically connected to the power interfaces (22667) through wires.
8. Sludge treatment apparatus for dredging engineering according to claim 1, characterized in that: the processing switching device (23) further comprises a fixing frame (233), a cross rod (234) and a driving gear (236), wherein the fixing frame (233) is of an L-shaped structure and is welded on two sides of the processing switching device (23) respectively, the cross rod (234) is welded on the upper side of the fixing frame (233), a fixed cylinder (2351) is fixedly arranged at the middle end of the cross rod (234), a rotating cylinder (2352) is rotatably connected to the inner part of the fixed cylinder (2351), a screw rod (235) is connected to the inner part of the rotating cylinder (2352) through threads in a penetrating mode, supporting rods (2354) are uniformly welded on one circle of the upper side of the rotating cylinder (2352), a gear disc (2353) with an annular structure is welded on the upper side of the supporting rods (2354), and the driving gear (236) is connected to the left side of the gear disc (2353) in a meshed mode.
9. A dredging engineering sludge treatment apparatus according to claim 8, wherein: the middle of drive gear (236) is connected with initiative dwang (2361) in a penetrating manner, the bottom swing joint of initiative dwang (2361) has a bearing section of thick bamboo (2363), the left side of just being located fixed section of thick bamboo (2351) between horizontal pole (234) is fixed to bearing section of thick bamboo (2363), and the top that is located horizontal pole (234) is near rear end welding has backup pad (238), the top of initiative dwang (2361) is rotated and is connected with bearing frame one (2364), bearing frame one (2364) is fixed to locate the inboard upper end of backup pad (238), the outside nearly lower extreme of initiative dwang (2361) is fixed to be equipped with spacing dish one (2362), the outside of spacing dish one (2362) has cup jointed conveyer belt (2373), the left side of conveyer belt (2373) has cup jointed spacing dish two (2372), the inside of spacing dish two (2372) is connected with drive axostylus axostyle (2371) in a penetrating manner, the top swing joint of drive axostylus axostyle (2371) has bearing frame two (2374), motor (2374) is fixed to locate the inboard upper end of backup pad (237), drive axostylus axostyle (237) is located in the bottom of drive axostyle (237).
10. A method for treating sludge for dredging engineering, which is characterized by comprising the following steps:
s1, draining water through a pipeline body (1) in dredging engineering, and plugging a flashboard (231) in a treatment switching device (23) into a slot (230) for sealing to prevent the draining water from leaking to a sludge treatment mechanism;
s2, starting a driving motor (237), automatically controlling a driving shaft lever (2371) to stably rotate under a second bearing seat (2374), enabling a second limiting disc (2372) to rotate, enabling a transmission belt (2373) to drive a first limiting disc (2362) to rotate, enabling a driving rotating rod (2361) and a driving gear (236) to stably rotate between a bearing cylinder (2363) and the first bearing seat (2364), enabling a rotating cylinder (2352) to rotate in a fixed cylinder (2351), enabling a screw (235) to be located in the rotating cylinder (2352) to be adjusted upwards under the action of threads, enabling a flashboard (231) to ascend, and opening the inside of a processing switching device (23) to perform subsequent processing operation;
s3, intelligently controlling the sludge treatment mechanism through a control panel (223), and directly observing the internal treatment state through perspective through an observation plate (222);
s4, starting the first electro-hydraulic device (224) to automatically control the telescopic adjustment of the first hydraulic rod (2241) and the second hydraulic rod (2242), so that the second electro-hydraulic device (225) passes through the treatment switching device (23), the connecting pipe (21) and the treatment through hole (10) to the middle of the pipeline body (1);
s5, starting an electro-hydraulic device II (225) to automatically control a hydraulic rod III (2251) to stretch and retract so that the cleaning mechanism (226) extends and adjusts to the inner side wall of the pipeline body (1) to clean the whole inner side wall of the pipeline body (1);
s6, starting a driving device (2261) to automatically control a rotating column (2262), a fixed disc (2267) and a fixed seat (2263) to perform reciprocating rotation adjustment, and simultaneously starting an electric push rod device (2264) to automatically control a push rod (22641) to stretch so that a brushing plate mechanism (2265) is contacted with the inner side wall of the pipeline body (1), so that a cleaning plate (22651) of the brushing plate mechanism (2265) and a plurality of cleaning brushes (22653) on the side wall of a cleaning rod (22652) can efficiently treat sludge;
s7, power supply is supplied to an electric hydraulic cylinder (22662) of a reciprocating adjusting mechanism (2266) through a power interface (22667) at the outer end of a fixing seat (2263), the electric hydraulic cylinder (22662) is started to automatically control the telescopic adjustment of an electric hydraulic rod (22661), and then the whole internal and external movement of an electric push rod device (2264) is adjusted, an extension plate (22642) at the inner side end of the electric push rod device (2264) is movably supported on a rotating rod (22643) at the inner side end of a rotating seat (22644), and a brushing mechanism (2265) is enabled to brush left and right while rotating and cleaning.
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| CN202311482418.6A CN117209107B (en) | 2023-11-09 | 2023-11-09 | Sludge treatment device and method for dredging engineering |
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| CN202311482418.6A CN117209107B (en) | 2023-11-09 | 2023-11-09 | Sludge treatment device and method for dredging engineering |
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| CN115646963A (en) * | 2022-09-05 | 2023-01-31 | 宿州中粮生物化学有限公司 | Pipeline cleaning device |
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| US20130340793A1 (en) * | 2011-01-03 | 2013-12-26 | Empig As | Pipeline pig apparatus, and a method of operating a pig |
| CN211071158U (en) * | 2019-10-22 | 2020-07-24 | 湖北瑞能华辉能源管理有限公司 | Central air conditioning pipeline cleaning system |
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Country or region after: China Address after: Unit 204, Building 5, No. 100 Lijiao Road, Haizhu District, Guangzhou City, Guangdong Province, 510000 Applicant after: CCCC Guanghang Dredging Co.,Ltd. Applicant after: CCCC GUANGZHOU DREDGING Co.,Ltd. Applicant after: NATIONAL ENGINEERING RESEARCH CENTER OF DREDGING TECHNOLOGY AND EQUIPMENT Address before: No. 298, Lijiao Road, Haizhu District, Guangzhou, Guangdong 510000 Applicant before: CCCC GUANGZHOU DREDGING Co.,Ltd. Country or region before: China Applicant before: CCCC Guanghang Dredging Co.,Ltd. Applicant before: NATIONAL ENGINEERING RESEARCH CENTER OF DREDGING TECHNOLOGY AND EQUIPMENT |
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