CN214360935U - Environment-friendly dredging device for river channel treatment - Google Patents
Environment-friendly dredging device for river channel treatment Download PDFInfo
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- CN214360935U CN214360935U CN202023105562.2U CN202023105562U CN214360935U CN 214360935 U CN214360935 U CN 214360935U CN 202023105562 U CN202023105562 U CN 202023105562U CN 214360935 U CN214360935 U CN 214360935U
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Abstract
The utility model provides a river course is administered environmental protection sediment removal device relates to the river course and administers the field. This environmental protection desilting device is administered in river course, including operation platform, operation platform one side is equipped with amphibious mud suction device, the operation platform lateral wall is connected with two and dissolves the medicine storehouse, it is equipped with pneumatic agitating unit to dissolve the medicine storehouse inboard, it is equipped with storage medicine storehouse, two to dissolve the medicine storehouse below be equipped with the blender between the medicine storehouse, the blender outside is equipped with the mud import, the mud import passes through sludge conveying pipeline and is connected with amphibious mud suction device. Through amphibious mud suction device, the silt that will aspirate sends into the blender through mud pipeline, mixes the flocculation back through the flocculating agent that drops into, heavy metal trapping agent and moisture silt, gets into the environmental protection filter bag, will flocculate silt, dehydration treatment, and the clear water of deviating from returns the river course after precipitation treatment is up to standard, and the mud after the dehydration becomes dry mud, and the treatment process convenient and fast need not to transport by ship, saves the transportation cost.
Description
Technical Field
The utility model relates to a river course is administered technical field, specifically is a river course is administered environmental protection sediment removal device.
Background
As is known to all, the generation of river silt is sediment formed by long-term storage at the bottom of a water body for many years, the river silt is one of important components of a multiphase ecosystem of the water body and is a gathering and intersection environmental point of environmental pollutants in a wide space and a long time of a river channel, and the human living environment is greatly improved along with the deep development of the comprehensive regulation of the national environment. The sewage treatment, garbage treatment, river treatment and other projects in rural areas across the country are implemented successively to restore the natural ecological environment.
At present, river dredging projects have been developed from the past traditional hydraulic engineering goals of improving river flood control, drainage and irrigation capabilities to ecological environment restoration goals. Therefore, the river channel dredging engineering, it is exactly to reduce the endogenous pollution in river course, provide the guarantee for improving river course quality of water, river course silt desilting technical mode, the technique that comparatively commonly uses has modes such as dry-type desilting, desilting and environmental protection desilting under water, two kinds of desilting treatment methods are all to salvage river course silt to the bank, pile up, the bad smell, the processing of transporting, the deposit silt exposes and gives out foul smell in the air, silt secondary transports, the road that the running leakage of water forms spills, cause the secondary pollution to all ring edge borders, and with high costs, low efficiency, be not convenient for manage, the unable reutilization of silt that produces, the silt is handled the difficulty.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a river course is administered environmental protection sediment removal device has solved among the prior art river course desilting with high costs, inefficiency, be not convenient for management and easily cause all ring edge borders secondary pollution's problem.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the environment-friendly dredging device for river channel treatment comprises an operation platform, wherein an amphibious sludge suction device is arranged on one side of the operation platform, the side wall of the operation platform is connected with two medicine dissolving bins, a pneumatic stirring device is arranged on the inner side of each medicine dissolving bin, a medicine storage bin is arranged below each medicine dissolving bin, a mixer is arranged between the two medicine dissolving bins, a sludge inlet is arranged on the outer side of the mixer, and the sludge inlet is connected with the amphibious sludge suction device through a sludge conveying pipeline; a liquid outlet pipe is connected between the drug dissolving bin and the drug storage bin, a drug outlet is arranged at the bottom of the drug storage bin, a drug guide pipeline is connected to the side wall of the drug outlet, a drug feeding pump is arranged between the mixer and the drug guide pipeline, a drug feeding port of the drug feeding pump is connected with the drug guide pipeline through a flange, a drug feeding pipeline is connected to the drug outlet of the drug feeding pump through a flange, one end of the drug feeding pipeline, far away from the drug feeding pump, is fixedly connected with a drug feeding pipeline, one end of the drug feeding pipeline, far away from the drug feeding pipeline, extends into the mixer, one side of the mixer is provided with a filter bag yard, a plurality of environment-friendly filter bags are arranged above the filter bag yard, a discharge port of the mixer is fixedly connected with a mixing and conveying pipeline, a sludge filling pipe is arranged on the environment-friendly filter bags, the sludge filling pipe is connected with the mixing and conveying pipeline through branch pipes, the side wall of the branch pipe is connected with a drain valve, and drainage ditches are arranged on the periphery of the filter bag yard, one side of the drainage ditch is connected with a clean water return pipe.
Preferably, the amphibious mud absorbing device comprises a amphibious mud absorbing machine and a cutter suction pump connected with the amphibious mud absorbing machine, a mud absorbing port of the cutter suction pump is fixedly connected with a high-pressure rubber pipe, and the high-pressure rubber pipe is sequentially connected with a plurality of buoys through connecting pipes.
Preferably, the top of the medicine dissolving bin is connected with a quantitative medicine feeder, and the outer side wall of the top of the medicine dissolving bin is sequentially connected with a clear water inlet pipe and an overflow pipe in a penetrating manner from top to bottom.
Preferably, pneumatic agitating unit includes the pneumatic mixer who is connected with dissolving the medicine storehouse, pneumatic mixer output fixedly connected with (mixing) shaft, the (mixing) shaft bottom extends to and dissolves the inside and many pneumatic agitator pipes of fixedly connected with of medicine storehouse.
Preferably, the outer side wall of the liquid outlet pipe is fixedly connected with an exhaust pipe, and the side wall of the liquid outlet pipe is connected with a drain valve.
Preferably, the side wall of the medicine guide pipeline is connected with a medicine outlet valve, and the side wall of the medicine adding pipeline is connected with a flow meter and a check valve.
Preferably, the filter bag yard base is provided with two cloth membranes, a gravel filtering layer is piled above the two cloth membranes, and the environment-friendly filter bag is laid above the gravel filtering layer.
Preferably, the mixer is made of carbon steel materials, and a plurality of partition plates which are arranged in an up-and-down staggered mode are fixedly connected to the inner side wall of the mixer.
(III) advantageous effects
The utility model provides a river course is administered environmental protection sediment removal device. The method has the following beneficial effects:
1. through the mutual cooperation between amphibious suction mud device, dissolve the medicine storehouse, pneumatic agitating unit, the blender, mud pipeline, mix pipeline and the environmental protection filter bag, utilize amphibious suction mud device, the silt that will aspirate sends into the blender through mud pipeline, after the flocculating agent that drops into, heavy metal catching agent and the mixed flocculation of moisture silt, get into the environmental protection filter bag, with flocculation silt, dehydration treatment, the clear water of deviating from returns the river course after precipitation treatment is up to standard, the mud after the dehydration becomes dry mud, treatment process convenient and fast, need not to transport backward, save the transportation expense.
2. The sludge pumped and conveyed directly enters the environment-friendly filter bag, so that the sludge is prevented from being directly exposed in the air, the diffusion of odor is inhibited, the surrounding environment is not affected, the dredging efficiency is high, the occupied area is small, and no secondary pollution is caused.
3. The sludge after dredging is dehydrated and dried by an environment-friendly filter bag, and heavy metal ions in the sludge are captured and cured, so that the sludge can be directly used for landscaping planting soil and soil improvement, is environment-friendly and resource-utilization, and has remarkable economic and social benefits.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the arrangement of the middle environmental protection filter bag of the present invention;
FIG. 3 is a schematic view of the connection structure between the operation platform and the drug dissolving bin of the present invention;
fig. 4 is a schematic structural view of the amphibious mud suction device of the utility model;
FIG. 5 is a sectional view of the base of the middle environmental protection filter bag yard of the present invention;
fig. 6 is a cross-sectional view of the mixer of the present invention.
Wherein, 1, operating platform; 2. an amphibious mud suction device; 201. an amphibious mud suction machine; 202. a cutter suction pump; 203. a high pressure rubber tube; 204. a float bowl; 3. a medicine dissolving bin; 4. a pneumatic stirring device; 401. a pneumatic blender; 402. a stirring shaft; 403. a pneumatic stirring pipe; 5. a mixer; 6. a sludge inlet; 7. a sludge conveying pipeline; 8. a liquid outlet pipe; 9. a drug delivery pipeline; 10. a dosing pump; 11. a dosing pipeline; 12. a medicine inlet pipeline; 13. a filter bag yard; 14. an environment-friendly filter bag; 15. a mixing delivery pipe; 16. a drainage ditch; 17. a clear water return pipe; 18. a quantitative doser; 19. a clear water inlet pipe; 20. an overflow pipe; 21. an exhaust pipe; 22. a drain valve; 23. a medicine outlet valve; 24. a flow meter; 25. a check valve; 26. two cloth films are used; 27. a macadam filtration layer; 28. a partition plate; 29. a sludge filling pipe; 30. a branch pipe; 31. a medicine storage bin.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-6, the embodiment of the utility model provides a river course is administered environmental protection sediment removal device, including operation platform 1, operation platform 1 one side is equipped with amphibious mud suction device 2, amphibious mud suction device 2 includes amphibious mud suction machine 201 and the cutter suction pump 202 of being connected with amphibious mud suction machine 201, cutter suction pump 202 mud suction port fixedly connected with high-pressure rubber tube 203, high-pressure rubber tube 203 has connected gradually a plurality of flotation pontoons 204 through the connecting pipe, flotation pontoon 204 adopts PE plastic sealing bucket, fix on the connecting pipe, play the effect that makes the connecting pipe float on the surface of water in water, the silt of being convenient for is carried, operation platform 1 both sides are equipped with the staircase, the operating personnel of being convenient for scrambles to operation platform 1 on.
A mixer 5 is arranged between the two medicine dissolving bins 3, the mixer 5 is made of carbon steel materials, the inner side wall of the mixer 5 is fixedly connected with a plurality of baffle plates 28 which are arranged in a vertically staggered mode, and mixed flow effects of multiple pore channels, cross flow and curved direction are formed in the mixer 5, so that the sludge, the flocculating agent and the heavy metal catching agent are completely mixed and flocculated, and the subsequent flocculation precipitation and dehydration treatment are facilitated.
A sludge inlet 6 is arranged on the outer side of the mixer 5, and the sludge inlet 6 is connected with the amphibious sludge suction device 2 through a sludge conveying pipeline 7; be connected with drain pipe 8 between medicine storehouse 3 and the storage storehouse 31, 8 lateral walls of drain pipe fixedly connected with blast pipe 21, 8 lateral walls of drain pipe are connected with the bleeder valve 22.
The filter bag yard 13 is equipped with on one side of blender 5, and filter bag yard 13 top is equipped with a plurality of environmental protection filter bags 14, and 5 discharge gates fixedly connected with of blender mix delivery pipeline 15, is equipped with mud filling tube 29 on the environmental protection filter bag 14, and mud filling tube 29 passes through bleeder 30 and is connected with mix delivery pipeline 15, and bleeder 30 lateral wall is connected with the blowoff valve, and 13 week sides in filter bag yard are equipped with escape canal 16, and 16 one side in escape canal is connected with clear water back flow 17.
It should be noted that: the environment-friendly filter bag 14 is a tubular environment-friendly filter bag 14 with a filter structure woven by high-toughness polypropylene yarns, the dehydration and solidification method of the environment-friendly filter bag 14 is that a solution of a macromolecular flocculating agent in a certain proportion and dosage is put into sludge slurry in the underwater dredging process, the sludge is fully mixed and then filled into the environment-friendly filter bag 14, two power factors of the filter structure and the liquid pressure in the environment-friendly filter bag 14, which are equivalent in aperture, are utilized to enable water to seep out of the environment-friendly filter bag 14, sludge is stored in the environment-friendly filter bag 14, so that the effects of sludge dehydration and sludge volume reduction are achieved, the water content of solidified soil is below 50%, the dehydrated clear water returns to a river channel after reaching the standard through precipitation treatment, the dehydrated sludge is changed into dry sludge, and the dry sludge is used for greening and improving planting soil on site; the whole sludge pumping-dewatering process, the flocculant preparation and the flocculant addition can be automatically controlled, and the sludge dewatering device is simple and convenient to operate and convenient to manage.
The base of the filter bag yard 13 is provided with two cloth-one membranes 26, a gravel filtering layer 27 is piled above the two cloth-one membranes 26, and the environment-friendly filter bag 14 is paved above the gravel filtering layer 27.
The working principle is as follows: firstly, selecting a place with flat terrain and wider width around a river channel, paving graded pebbles with a thickness of 5-8cm after the place is flat, then paving an impermeable geomembrane, wherein the impermeable construction adopts a method of ' two cloth and one film ', namely ' needling non-woven geotextile 200g/m2, HDPE geomembrane 2mm and needling non-woven geotextile 200g/m2, the impermeable material is directly laid on the compacted clay, and a graded pebble filter layer with a thickness of 20-35cm is directly laid on the impermeable structure.
The 1 st environment-friendly filter bag 14 is filled from the center of the field, and then other environment-friendly filter bags 14 are sequentially filled to the two sides respectively, so that the environment-friendly filter bags 14 on the two sides of the central line can be close to the middle along the slope direction of the field and are tightly attached; the environment-friendly filter bag 14 is filled to 1/6 of the total height of the filter bag for the first time, the second filling is carried out after 6 hours, the second filling is carried out to 1/3 of the total height of the filter bag, the environment-friendly filter bag is placed still for 12 hours, the third filling is carried out, the like is carried out, the filling is carried out every 12 hours, the filling port is opened after each filling is finished, the solidification form of sludge in the environment-friendly filter bag 14 is checked, when the effluent of the environment-friendly filter bag 14 is clear water and flowing water is gradually not seen, the next filling is continued until the environment-friendly filter bag 14 is full, the filling is finished, the filling port is bound and fixed by a rope after the filling is finished, the environment-friendly filter bag is spread above the gravel filter layer 27, and the environment-friendly filter bag is solidified for 1-2 months after the filling is finished; among these, it is noted that: when the environment-friendly filter bag 14 is filled, special personnel are required to measure the filling height of the environment-friendly filter bag 14 and open and close the drain valve, a multiple filling mode is adopted in the filling mode, one-time filling is avoided as much as possible, so that the environment-friendly filter bag 14 is prevented from being damaged, and when the environment-friendly filter bag 14 reaches the maximum safe filling height, the drain valve on the side of the environment-friendly filter bag 14 is required to be closed in time, so that the safety of the environment-friendly filter bag 14 is ensured. The environment-friendly filter bag 14 filling process needs an operator to use a non-sharp tool to knock or vibrate the surface of the environment-friendly filter bag 14 regularly to accelerate the dehydration process, and simultaneously checks whether the surface of the environment-friendly filter bag 14 is damaged, if a damaged part exists, the filling is stopped, a corresponding blow-down valve is closed, the environment-friendly filter bag 14 is sewn with a needle, the stitch distance of the sewing thread is not more than 5mm, and the use safety of the filter bag 14 is ensured.
Respectively putting a flocculating agent and a heavy metal catching agent into the two medicine dissolving bins 3 through a quantitative medicine feeder 18, adding clear water into the medicine dissolving bins 3 through a clear water inlet pipe 19, starting two pneumatic stirring machines 401, and driving a stirring shaft 402 and a pneumatic stirring pipe 403 to rotate by the pneumatic stirring machines 401 so as to mix the flocculating agent and the heavy metal catching agent with the clear water; in the step 3, the flocculating agent is an anionic polyacrylamide solution, the molecular weight of the anionic polyacrylamide is 1800 ten thousand units, and the adding amount is 30-50 ppm/ton of water; the heavy metal trapping agent is an environment-friendly and non-toxic heavy metal remover which can effectively remove heavy metals in various sewage and wastewater, and can react with most of monovalent and divalent heavy metal ions in an aqueous solution, such as: fe2+, Ni2+, PB2+, Ag +, Zn2+, Cd2+, Hg2+, Ti + and Cr3+ form stable compounds to be precipitated and separated, so that the aim of removing heavy metal ions is fulfilled. The precipitate formed after treatment can not be dissolved by substances such as rainwater and the like, has no secondary pollution environmental problem, is safe, nontoxic, harmless to the environment and odorless, can not generate toxic substances when precipitating metal, and the addition amount of the toxic substances is determined according to the content of the metal in the sludge.
Starting the amphibious sludge suction device 2 to suck sludge into the mixer 5 through the sludge conveying pipeline 7, opening the bleeder valve 22, enabling mixed liquid medicine in the medicine dissolving bin 3 to enter the medicine storage bin 31 through the liquid outlet pipe 8, closing the bleeder valve 22, continuously dissolving medicine in the medicine dissolving bin 3, opening the medicine outlet valve 23, starting the medicine adding pump 10, and pumping a flocculating agent and a heavy metal trapping agent which are mixed with water in the medicine storage bin 31 into the mixer 5 through the medicine guide pipeline 9 and the medicine adding pipeline 11 respectively by the medicine adding pump 10 so that the sludge is mixed with the flocculating agent and the heavy metal trapping agent to form flocs; the pipeline pressure of one side of the dosing point of the two medicaments is 0.01-0.02 MPa higher than the pressure in the sludge conveying pipeline 7 so as to meet the back flushing pressure of the slurry on the dosing pipeline 12.
The floc is through mixing pipeline 15, in lateral pipe 30 gets into environmental protection filter bag 14, utilize two power factors of filtration structure and bag in-bag liquid pressure that environmental protection filter bag 14 equivalent aperture has, make water ooze outside environmental protection filter bag 14, mud is stayed in environmental protection filter bag 14, carry out flocculation, dehydration to the silt that contains water, the clear water of deviating from flows back to the river course through escape canal 16 and clear water back flow 17 in, harmful heavy metal in the silt is got rid of in step to environmental protection filter bag 14, mud after the dehydration becomes dry mud, be used for bank edge afforestation improvement planting soil on the spot.
Specifically, after reaching the designed water content target after being dehydrated by the environment-friendly filter bag 14, the first mode is as follows: the biological filter bags 14 can be directly buried in situ by covering soil, the stacked environment-friendly filter bags 14 can play a role in stabilizing the soil layer, and the principle of the environment-friendly filter bags is similar to that of reinforced geotextile added in municipal road construction. The second mode is as follows: when the sludge in the environment-friendly filter bag 14 needs to be processed in an ex-situ manner after dehydration, a construction machine needs to be used for breaking the environment-friendly filter bag 14 for improving the soil and soil for greening or transporting the broken environment-friendly filter bag 14 and the sludge to be buried or incinerated, the broken environment-friendly filter bag 14 is removed after the bag breaking, stacking and airing are carried out in a yard, and the sludge is directly reused for the land belt restoration and the soil processing for greening, so that the resource utilization, no secondary pollution, economy and environmental protection are realized.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a river course administers environmental protection sediment removal device, includes operation platform (1), its characterized in that: an amphibious mud sucking device (2) is arranged on one side of the operating platform (1), two medicine dissolving bins (3) are connected to the side wall of the operating platform (1), a pneumatic stirring device (4) is arranged on the inner side of each medicine dissolving bin (3), and a medicine storage bin (31) is arranged below each medicine dissolving bin (3);
a mixer (5) is arranged between the two medicine dissolving bins (3), a sludge inlet (6) is arranged on the outer side of the mixer (5), and the sludge inlet (6) is connected with an amphibious mud sucking device (2) through a sludge conveying pipeline (7);
a liquid outlet pipe (8) is connected between the medicine dissolving bin (3) and the medicine storage bin (31), a medicine outlet is formed in the bottom of the medicine storage bin (31), a medicine guide pipeline (9) is connected to the side wall of the medicine outlet, a medicine feeding pump (10) is arranged between the mixer (5) and the medicine guide pipeline (9), a medicine inlet of the medicine feeding pump (10) is connected with the medicine guide pipeline (9) through a flange, a medicine feeding pipeline (11) is connected to the medicine outlet of the medicine feeding pump (10) through a flange, a medicine feeding pipeline (12) is fixedly connected to one end, far away from the medicine feeding pump (10), of the medicine feeding pipeline (11), and one end, far away from the medicine feeding pipeline (11), of the medicine feeding pipeline (12) extends into the mixer (5);
blender (5) one side is equipped with filter bag yard (13), filter bag yard (13) top is equipped with a plurality of environmental protection filter bags (14), blender (5) discharge gate fixedly connected with mixes pipeline (15), be equipped with mud filling tube (29) on environmental protection filter bag (14), mud filling tube (29) are connected with mixed pipeline (15) through bleeder pipe (30), bleeder pipe (30) lateral wall is connected with the blowoff valve, filter bag yard (13) week side is equipped with escape canal (16), escape canal (16) one side is connected with clear water back flow (17).
2. The environmental-friendly dredging device for river channel treatment according to claim 1, characterized in that: the amphibious mud absorbing device (2) comprises an amphibious mud absorbing machine (201) and a cutter suction pump (202) connected with the amphibious mud absorbing machine (201), a mud absorbing port of the cutter suction pump (202) is fixedly connected with a high-pressure rubber pipe (203), and the high-pressure rubber pipe (203) is sequentially connected with a plurality of buoys (204) through connecting pipes.
3. The environmental-friendly dredging device for river channel treatment according to claim 1, characterized in that: the top of the medicine dissolving bin (3) is connected with a quantitative medicine feeder (18), and the outer side wall of the top of the medicine dissolving bin (3) is sequentially connected with a clear water inlet pipe (19) and an overflow pipe (20) in a penetrating manner from top to bottom.
4. The environmental-friendly dredging device for river channel treatment according to claim 1, characterized in that: pneumatic agitating unit (4) include pneumatic mixer (401) of being connected with dissolving medicine storehouse (3), pneumatic mixer (401) output end fixedly connected with (mixing) shaft (402), (mixing) shaft (402) bottom extends to dissolving medicine storehouse (3) inside and many pneumatic stirring pipe (403) of fixedly connected with.
5. The environmental-friendly dredging device for river channel treatment according to claim 1, characterized in that: the outer side wall of the liquid outlet pipe (8) is fixedly connected with an exhaust pipe (21), and the side wall of the liquid outlet pipe (8) is connected with a drain valve (22).
6. The environmental-friendly dredging device for river channel treatment according to claim 1, characterized in that: the lateral wall of the medicine guide pipeline (9) is connected with a medicine outlet valve (23), and the lateral wall of the medicine adding pipeline (11) is connected with a flow meter (24) and a check valve (25).
7. The environmental-friendly dredging device for river channel treatment according to claim 1, characterized in that: the base of the filter bag yard (13) is provided with two cloth-one membranes (26), a gravel filter layer (27) is piled above the two cloth-one membranes (26), and the environment-friendly filter bag (14) is paved above the gravel filter layer (27).
8. The environmental-friendly dredging device for river channel treatment according to claim 1, characterized in that: the mixer (5) is made of carbon steel materials, and a plurality of partition plates (28) which are arranged in an up-and-down staggered mode are fixedly connected to the inner side wall of the mixer (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023105562.2U CN214360935U (en) | 2020-12-16 | 2020-12-16 | Environment-friendly dredging device for river channel treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023105562.2U CN214360935U (en) | 2020-12-16 | 2020-12-16 | Environment-friendly dredging device for river channel treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214360935U true CN214360935U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023105562.2U Active CN214360935U (en) | 2020-12-16 | 2020-12-16 | Environment-friendly dredging device for river channel treatment |
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| CN114634290A (en) * | 2020-12-16 | 2022-06-17 | 河北恒特环保工程有限公司 | Environment-friendly dredging device and method for river channel treatment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114634290A (en) * | 2020-12-16 | 2022-06-17 | 河北恒特环保工程有限公司 | Environment-friendly dredging device and method for river channel treatment |
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Denomination of utility model: An environmentally friendly dredging device for river management Granted publication date: 20211008 Pledgee: Industrial and Commercial Bank of China Limited Qinhuangdao Binhai Branch Pledgor: HEBEI HENGTE ENVIRONMENTAL PROTECTION ENGINEERING Co.,Ltd. Registration number: Y2024980021426 |