CN117361831A - Desilting device and method for lake ecological restoration - Google Patents
Desilting device and method for lake ecological restoration Download PDFInfo
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- CN117361831A CN117361831A CN202311289214.0A CN202311289214A CN117361831A CN 117361831 A CN117361831 A CN 117361831A CN 202311289214 A CN202311289214 A CN 202311289214A CN 117361831 A CN117361831 A CN 117361831A
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000010802 sludge Substances 0.000 claims abstract description 90
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 238000002347 injection Methods 0.000 claims description 17
- 239000007924 injection Substances 0.000 claims description 17
- 238000007790 scraping Methods 0.000 claims description 13
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 abstract description 14
- 238000001125 extrusion Methods 0.000 description 5
- 244000309464 bull Species 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- 239000012634 fragment Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 101100204059 Caenorhabditis elegans trap-2 gene Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a dredging device and method for ecological restoration of lakes, and relates to the technical field of dredging devices. The invention comprises a device main body, wherein a frame plate is fixed on the right side of the device main body, an electric push rod is fixed on the top of the frame plate, an L-shaped plate is fixed on the left side of a telescopic end of the electric push rod, the L-shaped plate penetrates through the right side of the device main body, a switch door is arranged on the left side of the device main body, a filter screen is fixed in the device main body, and the device further comprises a water removing device, wherein the water removing device comprises a fixing plate, a rack, a gear, a spiral blade and a net surface column. According to the invention, through the arrangement of the water removing device, the L-shaped plate, the fixed plate, the gear, the net surface column and the rack are matched to stir the sludge in the device main body by the spiral blade, so that the spiral blade stirs the water in the middle of the sludge block, the problem that the sludge volume is increased due to the residual water in the middle of the sludge block is avoided, and the cost for treating and disposing the sludge is increased.
Description
Technical Field
The invention relates to the technical field of dredging devices, in particular to a dredging device and method for ecological restoration of lakes.
Background
In the dredging process of ecological restoration of lakes, the cleaned sludge is required to be transported away, and before the transportation of the sludge, the sludge is required to be dried, and the sludge drying process is slow, so that the dredging efficiency is influenced, and a device for separating the water of the sludge is required, so that the working efficiency is improved.
The patent publication No. CN113476923B discloses a lake ecological restoration dredging device, which comprises a machine body, a front door, a push plate, a guide rod, an upper rod, a lower rod, a connecting rod, a rocker, a swing rod and a motor, wherein the front door is in sliding connection with the front part of the machine body, the guide rod is in sliding connection with the upper part of the front door, the push plate is in sliding connection with the middle part of the machine body, the push plate is hinged with the upper rod and the front part of the lower rod, the rear part of the upper rod and the rear part of the lower rod are hinged with the machine body, the rear part of the lower rod is hinged with the swing rod, the swing rod is hinged with the push plate, the right side of the push plate is hinged with the connecting rod, the connecting rod is hinged with the rocker, and the rocker is hinged with the machine body; the bottom of the right side of the machine body is provided with a drain hole, the front part of the machine body is provided with a front door sliding rail, the left side and the right side of the machine body are respectively provided with a side water tank, a silt cavity is arranged in the middle of the machine body, a mud inlet hole is formed in the rear side of the bottom of the silt cavity, an extrusion cavity is arranged at the lower part of the silt cavity, a mud outlet hole is formed in the front side of the extrusion cavity, the left side, the right side and the lower part of the extrusion cavity are respectively provided with a water outlet hole, a water draining cavity is arranged at the lower part of the extrusion cavity, the silt cavity and the water draining cavity are mutually communicated, an installation plate is arranged at the rear side of the bottom of the extrusion cavity, and a push plate sliding rail is arranged in the middle of the installation plate.
However, the current dredging device has the following problems: when the dredging device is used for squeezing and dewatering sludge, residual water in the middle of a sludge block cannot be well squeezed and discharged, and the residual water in the middle of the sludge block is improperly treated, so that the volume of the sludge is increased, and the cost of treating and disposing the sludge is increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a dredging device and method for ecological restoration of lakes, which solve the problems in the background art.
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a dredging device for ecological restoration of lake, includes the device main part, the right side of device main part is fixed with the frame plate, the top of frame plate is fixed with electric putter, electric putter's flexible end left side is fixed with the L shaped plate, the L shaped plate runs through the right side of device main part, the left side of device main part is provided with the switch door, the inside of device main part is fixed with the filter screen, still includes water trap, anti-blocking device, anti-overflow device and gas injection device;
wherein, water trap includes fixed plate, rack, gear, helical blade, net face post, the left side top at the L shaped plate is fixed to the fixed plate, the rack is fixed in the inside of device main part, the gear is rotated and is installed at the fixed plate top, and gear and rack engagement, the bottom at the gear is fixed to the net face post, the helical blade is fixed in the outside of net face post, and the L shaped plate passes through the fixed plate and drives gear and net face post and remove, and rack drive gear drives the net face post and rotates, and the net face post drives the helical blade and rotates, and the helical blade stirs the silt in the device main part to make the helical blade stir the water at silt piece middle part and scatter, the water at silt piece middle part is discharged the filter screen through the net face post, thereby has avoided the water that the silt piece middle part remains, leads to silt volume increase, thereby can increase the problem of handling and the cost of silt.
According to the technical scheme, L shape frame, cock stem, L shape are supported feeler lever, a plurality of triangular block, L shape frame is fixed at the top of fixed plate, the bottom slidable mounting of cock stem is in the inside of net face post, and the top of cock stem runs through L shape frame, L shape is supported feeler lever and is fixed at the top of cock stem, and is equipped with the spring between the top of L shape frame to the L shape, a plurality of triangular block evenly equidistance is fixed at the top of rack, the triangular block is located the motion track of L shape feeler lever, and the fixed plate drives L shape frame and L shape feeler lever simultaneously and removes, and the triangular block promotes L shape feeler lever and drives the cock stem along the inside reciprocates of net face post to the mesh of net face post is brushed to the cock stem, thereby has avoided the mesh of net face post to be blockked up by silt, leads to the unable problem of passing through the filter screen of silt piece middle part.
According to the technical scheme, prevent stifled device includes two dead levers, triangle oblique scraper blade, two the dead lever is fixed respectively in the left side openly and the back of L shaped plate, triangle oblique scraper blade is fixed in the dead lever and is kept away from one side bottom of L shaped plate, triangle oblique scraper blade contacts with the top of filter screen, and the L shaped plate passes through the dead lever and drives triangle oblique scraper blade and scrape the filter screen surface to avoided the filter screen to be stopped up, lead to the unable problem of passing the filter screen of water in the silt.
According to the technical scheme, prevent stifled device still includes to touch wheel, bull stick, a plurality of and push away the leaf, the inner wall department at triangle oblique scraper blade is installed to the conflict wheel rotation, the bull stick is fixed in the outer wall department of touching the wheel, a plurality of push away the even equidistance of leaf and fix the outer wall department at the bull stick, touch the wheel simultaneously and contradict with the filter screen surface, the conflict wheel takes place to rotate, the conflict wheel drives through the bull stick pushes away the leaf and rotates, pushes away the leaf and throws away the filter screen at filter screen surface silt to further avoided the filter screen to be blocked up by silt's problem.
According to the technical scheme, anti-overflow device includes fixed block, shell fragment, direction swash plate, the below inner wall department at the device main part is fixed to the fixed block, the top at the fixed block is fixed to the one end of shell fragment, the other end at the shell fragment is fixed to the direction swash plate, the direction swash plate is located the below of filter screen, and the top of direction swash plate is the inclined plane setting of from left to right highly decreasing, and the water on passing the filter screen can flow through on the direction swash plate, and the direction swash plate is led water to the direction of keeping away from the switch door to avoided water to see through the problem of switch door overflow play device main part.
According to the technical scheme, anti-overflow device still includes a plurality of cambered surface pole, a plurality of and beats the pole, a plurality of cambered surface pole even equidistance builds in the front and the back of direction swash plate, the cambered surface pole runs through the bottom surface of filter screen, and the top of cambered surface pole is located the motion track of triangle oblique scraper blade, a plurality of beat the top at the direction swash plate is fixed to the even equidistance of pole, and beat the top of pole and the bottom surface contact of filter screen, promote the top of cambered surface pole and drive the direction swash plate and remove when triangle oblique scraper blade removes simultaneously, the direction swash plate drives and beats the pole and beat the filter screen, and the filter screen takes place the vibration to the efficiency that the water in the silt passed the filter screen has been improved, and the separation of silt and water can be accelerated to the vibration simultaneously.
According to the technical scheme, the gas injection device comprises a pressing plate, one-way air inlet nozzles, a pressing bag, a gas pipe and a plurality of one-way air nozzles, wherein the pressing plate is fixed at the outer wall of an L-shaped supporting contact rod, one end of the pressing bag is fixed at the bottom of the pressing plate, the other end of the pressing bag is fixed at the top of a fixing plate, the one-way air inlet nozzles are fixed at the top of the pressing bag, the gas pipe is fixed at the bottom of the pressing bag, the plurality of one-way air nozzles are uniformly and equidistantly fixed at the outer wall of the gas pipe, the pressing plate can be driven to move up and down when the L-shaped supporting contact rod moves up and down, the pressing plate extrudes the pressing bag when the pressing plate moves downwards each time, air in the pressing bag is transmitted into the gas pipe to be ejected from the one-way air nozzles, the air ejected from the one-way air nozzles can be injected into the sludge, and the air permeability and the fluidity of the sludge can be increased, so that the fluidity of the sludge is improved, and the water in the sludge is easier to be discharged.
According to the technical scheme, the air injection device further comprises a connecting rod and a plurality of elastic leaves, wherein the connecting rod is fixed at the outer wall of the pressing plate, the connecting rod penetrates through the top of the fixing plate, the elastic leaves are uniformly and equidistantly fixed at the outer wall of the connecting rod, meanwhile, the pressing plate drives the connecting rod to move up and down, the connecting rod drives the elastic leaves to move up and down, and the elastic She Hui scrapes the outer part of the unidirectional air nozzle, so that the problem that the unidirectional air nozzle cannot perform air injection operation due to the blockage of sludge is avoided; meanwhile, the connecting rod drives the elastic blades to stir the sludge around the unidirectional air nozzle, so that the efficiency of injecting air into the sludge is improved.
The application method of the dredging device for lake ecological restoration comprises the following steps of
S1, putting sludge into a device main body, wherein the sludge falls on a filter screen;
s2, water in the sludge flows to a position below the device main body through the filter screen;
s3, starting an electric push rod, wherein the telescopic end of the electric push rod pushes an L-shaped plate to move towards the inner direction of the device main body, and the L-shaped plate extrudes sludge on the filter screen;
s4, after the water in the sludge is extruded and discharged, opening the switch door, and discharging the dewatered sludge out of the device main body, so that the next sludge treatment operation can be performed
The invention provides a dredging device and method for lake ecological restoration. The beneficial effects are as follows:
(1) According to the invention, through the arrangement of the water removal device, the L-shaped plate, the fixed plate, the gear, the net surface column and the rack are matched to enable the net surface column to drive the spiral blade to rotate, the spiral blade stirs the sludge in the device main body, so that the spiral blade stirs the water in the middle of the sludge block, the water in the middle of the sludge block is discharged out of the filter screen through the net surface column, the problem that the sludge volume is increased and the cost of treating and disposing the sludge is increased is avoided, and meanwhile, the fixed plate, the L-shaped frame, the L-shaped contact rod and the triangular block are matched to drive the plug rod to brush the meshes of the net surface column, so that the problem that the meshes of the net surface column are blocked by the sludge, and the water in the middle of the sludge block cannot be discharged out of the filter screen through the net surface column is avoided.
(2) According to the invention, through the arrangement of the anti-blocking device, when the L-shaped plate and the fixed rod are matched to drive the triangular inclined scraping plate to move, the triangular inclined scraping plate scrapes the surface of the filter screen, so that the problem that water in sludge cannot pass through the filter screen due to the blocking of the filter screen is avoided; meanwhile, the triangular inclined scraping plate, the abutting wheels and the filter screen are matched to drive the rotating rod to rotate, the rotating rod drives the pushing blade to rotate, and the pushing blade throws away the filter screen from the sludge on the surface of the filter screen, so that the problem that the filter screen is blocked by the sludge is further avoided.
(3) According to the invention, through the arrangement of the anti-overflow device, water passing through the filter screen flows through the guide inclined plate, and the guide inclined plate guides the water to a direction away from the switch door, so that the problem that the water overflows out of the device main body through the switch door is avoided; meanwhile, the triangular inclined scraping plate, the cambered surface rod, the guide inclined plate and the elastic sheet are matched to drive the knocking rod to knock the filter screen, and the filter screen vibrates, so that the efficiency of water in the sludge passing through the filter screen is improved, and meanwhile, the separation of the sludge and the water can be accelerated by vibration.
(4) According to the invention, through the arrangement of the air injection device, the L-shaped contact rod can drive the pressing plate to move up and down when moving up and down, when the pressing plate moves down each time, the pressing plate, the pressing bag and the air pipe are matched to enable air in the pressing bag to be sprayed out of the one-way air nozzle, the air sprayed out of the one-way air nozzle can be injected into the sludge, and the air injection into the sludge can increase the ventilation and the fluidity of the sludge, so that the fluidity of the sludge is improved, and the moisture in the sludge is more easily discharged; meanwhile, the pressing plate drives the connecting rod to move up and down, and the connecting rod drives the elastic blade to scrape the outside of the unidirectional air nozzle, so that the problem that the unidirectional air nozzle cannot perform air injection operation due to the fact that the unidirectional air nozzle is blocked by sludge is avoided; meanwhile, the connecting rod drives the elastic blades to stir the sludge around the unidirectional air nozzle, so that the efficiency of injecting air into the sludge is improved.
Drawings
FIG. 1 is a schematic diagram of the overall invention;
FIG. 2 is a schematic view in partial cross-section of the entirety of the present invention;
FIG. 3 is a schematic partial cross-sectional view of a water removal device of the present invention;
FIG. 4 is a schematic view of an anti-blocking apparatus of the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A according to the present invention;
FIG. 6 is a schematic view of an anti-overflow device of the present invention;
FIG. 7 is a schematic view of an air injection device according to the present invention.
In the figure: 1. a device body; 11. a frame plate; 12. an electric push rod; 13. an L-shaped plate; 14. opening and closing a door; 15. a filter screen; 2. a water removal device; 21. a fixing plate; 22. an L-shaped frame; 23. a rack; 24. a gear; 25. spiral leaves; 26. a net surface column; 27. a plug rod; 28. an L-shaped contact rod; 29. triangular blocks; 3. an anti-blocking device; 31. a fixed rod; 32. triangular oblique scraping plate; 33. a contact wheel; 34. a rotating rod; 35. pushing leaves; 4. an anti-overflow device; 41. a fixed block; 42. a spring plate; 43. a guide sloping plate; 44. a cambered surface rod; 45. knocking the rod; 5. an air injection device; 51. a pressing plate; 52. a one-way air inlet nozzle; 53. pressing a bag; 54. an air pipe; 55. a unidirectional air nozzle; 56. a connecting rod; 57. elastic leaves.
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.
Referring to fig. 1-5, one embodiment of the present invention is: the utility model provides a dredging device for ecological restoration of lake, includes device main part 1, and device main part 1's right side is fixed with frame plate 11, and the top of frame plate 11 is fixed with electric putter 12, and electric putter 12's flexible end left side is fixed with L shaped plate 13, and L shaped plate 13 runs through device main part 1's right side, and device main part 1's left side is provided with switch door 14, and device main part 1's inside is fixed with filter screen 15, still includes water trap 2, anti-blocking device 3;
the water removing device 2 comprises a fixing plate 21, a rack 23, a gear 24, a spiral blade 25 and a net surface column 26, wherein the fixing plate 21 is fixed at the left top of the L-shaped plate 13, the L-shaped plate 13 drives the fixing plate 21 to move, the rack 23 is fixed in the device main body 1, the gear 24 is rotatably arranged at the top of the fixing plate 21, the gear 24 is meshed with the rack 23, the fixing plate 21 drives the gear 24 and the net surface column 26 to move, the gear 23 can drive the gear 24 to rotate, the net surface column 26 is fixed at the bottom of the gear 24, the spiral blade 25 is fixed at the outer part of the net surface column 26, the gear 24 drives the net surface column 26 to rotate, the spiral blade 25 stirs sludge in the device main body 1, so that the spiral blade 25 stirs water in the middle of a sludge block, and the water in the middle of the sludge block is discharged out of the filter screen 15 through the net surface column 26, so that the problem that the residual water in the middle of the sludge block increases in volume and the cost of treatment and disposal is avoided.
L-shaped frame 22, cock stem 27, L-shaped conflict pole 28, a plurality of triangle 29, L-shaped frame 22 is fixed at the top of fixed plate 21, the bottom slidable mounting of cock stem 27 is in the inside of net face post 26, and the top of cock stem 27 runs through L-shaped frame 22, L-shaped conflict pole 28 is fixed at the top of cock stem 27, and be equipped with the spring between L-shaped conflict pole 28 and the top of L-shaped frame 22, simultaneously fixed plate 21 drives L-shaped frame 22 and L-shaped conflict pole 28 and remove, a plurality of triangle 29 are evenly equidistant to be fixed at the top of rack 23, triangle 29 is located the motion trail of L-shaped conflict pole 28, triangle 29's inclined plane promotes L-shaped conflict pole 28 to drive cock stem 27 along the inside reciprocates of net face post 26, cock stem 27 brushes the mesh of net face post 26, thereby avoided the mesh of net face post 26 to be blockked up by silt, lead to the unable problem of passing through net face post 26 of silt middle part and discharging filter screen 15.
The anti-blocking device 3 comprises two fixing rods 31 and a triangular inclined scraper 32, wherein the two fixing rods 31 are respectively fixed on the left side front surface and the back surface of the L-shaped plate 13, the triangular inclined scraper 32 is fixed at the bottom of one side of the fixing rods 31 away from the L-shaped plate 13, the triangular inclined scraper 32 is in contact with the top of the filter screen 15, and when the L-shaped plate 13 pushes the fixing rods 31 to drive the triangular inclined scraper 32 to move, the triangular inclined scraper 32 scrapes the surface of the filter screen 15, so that the filter screen 15 is prevented from being blocked, and the problem that water in sludge cannot pass through the filter screen 15 is solved.
The anti-blocking device 3 further comprises a contact resisting wheel 33, a rotating rod 34 and a plurality of pushing blades 35, wherein the contact resisting wheel 33 is rotatably arranged at the inner wall of the triangular inclined scraping plate 32, meanwhile, the triangular inclined scraping plate 32 can drive the contact resisting wheel 33 to synchronously move, the contact resisting wheel 33 is abutted against the surface of the filter screen 15, the contact resisting wheel 33 rotates, the rotating rod 34 is fixed at the outer wall of the contact resisting wheel 33, the plurality of pushing blades 35 are uniformly and equidistantly fixed at the outer wall of the rotating rod 34, the contact resisting wheel 33 drives the pushing blades 35 to rotate through the rotating rod 34, and the pushing blades 35 are used for throwing silt blocked on the surface of the filter screen 15 away from the filter screen 15, so that the problem that the filter screen 15 is blocked by the silt is further avoided.
When in use, the silt is put into the device main body 1, the silt falls on the filter screen 15, water in the silt flows to the position below the device main body 1 through the filter screen 15, the electric push rod 12 is started, the telescopic end of the electric push rod 12 pushes the L-shaped plate 13 to move towards the inner direction of the device main body 1, the L-shaped plate 13 extrudes the silt on the filter screen 15 so as to further discharge the water in the silt, when the water in the silt is extruded and discharged, the switch door 14 is opened, the dewatered silt is discharged out of the device main body 1, the next silt treatment operation can be carried out, meanwhile, when the L-shaped plate 13 moves, the L-shaped plate 13 drives the fixed plate 21 to move, the fixed plate 21 drives the gear 24 and the net surface column 26 to move, the rack 23 drives the gear 24 to rotate, the net surface column 26 drives the spiral blade 25 to rotate, the spiral blades 25 stir the sludge in the device main body 1, so that the spiral blades 25 stir the water in the middle of the sludge block, the water in the middle of the sludge block is discharged out of the filter screen 15 through the net surface column 26, the problem that the residual water in the middle of the sludge block increases, the sludge volume is increased, and the cost for treating and disposing the sludge is increased is avoided, meanwhile, the fixing plate 21 drives the L-shaped frame 22 and the L-shaped abutting rod 28 to move, the inclined plane of the triangular block 29 pushes the L-shaped abutting rod 28 to move upwards, when the inclined plane of the triangular block 29 does not push the L-shaped abutting rod 28, the L-shaped abutting rod 28 is reset to move downwards under the action of the corresponding spring force, so that the L-shaped abutting rod 28 drives the plug rod 27 to move up and down along the inside of the net surface column 26, the plug rod 27 brushes the meshes of the net surface column 26, and the meshes of the net surface column 26 are prevented from being blocked by the sludge, causing a problem that water in the middle of the sludge block cannot be discharged out of the filter screen 15 through the screen column 26.
Meanwhile, when the L-shaped plate 13 moves, the L-shaped plate 13 pushes the fixed rod 31 to drive the triangular inclined scraping plate 32 to move, and the triangular inclined scraping plate 32 scrapes the surface of the filter screen 15, so that the problem that water in sludge cannot pass through the filter screen 15 due to the blockage of the filter screen 15 is avoided; meanwhile, when the triangular inclined scraping plate 32 moves, the triangular inclined scraping plate 32 can drive the contact wheel 33 to synchronously move, the contact wheel 33 is abutted against the surface of the filter screen 15, so that the contact wheel 33 rotates, the contact wheel 33 drives the rotating rod 34 to rotate, the rotating rod 34 drives the pushing blade 35 to rotate, and the pushing blade 35 throws silt on the surface of the filter screen 15 away from the filter screen 15, so that the problem that the filter screen 15 is blocked by the silt is further avoided.
Referring to fig. 1-7, in another embodiment of the present invention, further comprises an anti-overflow device 4 and an air injection device 5;
the anti-overflow device 4 comprises a fixed block 41, an elastic sheet 42 and a guide inclined plate 43, wherein the fixed block 41 is fixed at the inner wall of the lower part of the device body 1, one end of the elastic sheet 42 is fixed at the top of the fixed block 41, the guide inclined plate 43 is fixed at the other end of the elastic sheet 42, the guide inclined plate 43 is positioned below the filter screen 15, the top of the guide inclined plate 43 is an inclined plane with decreasing height from left to right, water passing through the filter screen 15 can flow through the guide inclined plate 43, and the guide inclined plate 43 guides the water in a direction away from the switch door 14, so that the problem that the water overflows out of the device body 1 through the switch door 14 is avoided.
The anti-overflow device 4 further comprises a plurality of cambered surface rods 44 and a plurality of knocking rods 45, the cambered surface rods 44 are uniformly and equidistantly embedded on the front surface and the back surface of the guide inclined plate 43, the cambered surface rods 44 penetrate through the bottom surface of the filter screen 15, the tops of the cambered surface rods 44 are located on the movement track of the triangular inclined scraper 32, meanwhile, the tops of the cambered surface rods 44 are pushed to drive the guide inclined plate 43 to move when the triangular inclined scraper 32 moves, the knocking rods 45 are uniformly and equidistantly fixed on the top surface of the guide inclined plate 43, the tops of the knocking rods 45 are in contact with the bottom surface of the filter screen 15, the guide inclined plate 43 drives the knocking rods 45 to knock the filter screen 15, the filter screen 15 vibrates, so that the efficiency of water in sludge passing through the filter screen 15 is improved, and meanwhile, the separation of the sludge and the water can be accelerated by vibration.
The air injection device 5 comprises a pressing plate 51, a one-way air inlet nozzle 52, a pressing bag 53, an air pipe 54 and a plurality of one-way air nozzles 55, wherein the pressing plate 51 is fixed on the outer wall of the L-shaped supporting rod 28, the pressing plate 51 is driven to move up and down when the L-shaped supporting rod 28 moves up and down, one end of the pressing bag 53 is fixed on the bottom of the pressing plate 51, the other end of the pressing bag 53 is fixed on the top of the fixing plate 21, the one-way air inlet nozzle 52 is fixed on the top of the pressing bag 53, the air pipe 54 is fixed on the bottom of the pressing bag 53, the plurality of one-way air nozzles 55 are uniformly and equidistantly fixed on the outer wall of the air pipe 54, the one-way air nozzles 55 only can jet air, but not jet air, when the pressing plate 51 moves downwards each time, the pressing bag 53 is conveyed into the air pipe 54 to jet air from the one-way air nozzles 55, the air jetted from the one-way air nozzles 55 can be injected into sludge, the air injected into the sludge can increase the air permeability and the fluidity of the sludge, thereby improving the fluidity of the sludge, and the water in the sludge can be discharged more easily.
The air injection device 5 further comprises a connecting rod 56 and a plurality of elastic blades 57, wherein the connecting rod 56 is fixed at the outer wall of the pressing plate 51, the connecting rod 56 penetrates through the top of the fixed plate 21 and moves up and down on the pressing plate 51, the pressing plate 51 drives the connecting rod 56 to move up and down, the plurality of elastic blades 57 are uniformly and equidistantly fixed at the outer wall of the connecting rod 56, and the connecting rod 56 drives the elastic blades 57 to scrape the outside of the unidirectional air nozzle 55, so that the problem that the unidirectional air nozzle 55 is blocked by sludge and cannot perform air injection operation is avoided; simultaneously, the connecting rod 56 drives the elastic blades 57 to stir the sludge around the unidirectional air nozzle 55, so that the efficiency of injecting air into the sludge is improved.
When in use, water passing through the filter screen 15 can flow on the guide inclined plate 43, and the guide inclined plate 43 guides the water to a direction away from the switch door 14, so that the problem that the water overflows out of the device main body 1 through the switch door 14 is avoided; meanwhile, when the triangular inclined scraper 32 moves, the top of the cambered surface rod 44 is pushed to drive the guide inclined plate 43 to move downwards, the guide inclined plate 43 drives the knocking rod 45 to be far away from the filter screen 15, when the triangular inclined scraper 32 does not push the top of the cambered surface rod 44, under the elastic force of the elastic sheet 42, the elastic sheet 42 drives the guide inclined plate 43 to reset, the guide inclined plate 43 drives the knocking rod 45 to knock the filter screen 15, the filter screen 15 vibrates, so that the efficiency of water in sludge passing through the filter screen 15 is improved, and meanwhile, the separation of the sludge and the water can be accelerated by vibration.
Meanwhile, the pressing plate 51 is driven to move up and down when the L-shaped contact resisting rod 28 moves up and down, when the pressing plate 51 moves up each time, the pressing plate 51 stretches the pressing bag 53, the pressing bag 53 sucks external air into the pressing bag 53 through the one-way air inlet nozzle 52, when the pressing plate 51 moves down each time, the pressing plate 51 extrudes the pressing bag 53, air in the pressing bag 53 is transmitted into the air pipe 54 and is sprayed out from the one-way air nozzle 55, the air sprayed out from the one-way air nozzle 55 is injected into sludge, and the air injected into the sludge can increase the ventilation property and the fluidity of the sludge, so that the fluidity of the sludge is improved, and the moisture in the sludge is easier to be discharged; simultaneously, the pressing plate 51 moves up and down, the pressing plate 51 drives the connecting rod 56 to move up and down, the connecting rod 56 drives the elastic blade 57 to move up and down, and the elastic blade 57 can scrape the outside of the unidirectional air nozzle 55, so that the problem that the unidirectional air nozzle 55 cannot perform air injection operation due to the blockage of the unidirectional air nozzle 55 by sludge is avoided; simultaneously, the connecting rod 56 drives the elastic blades 57 to stir the sludge around the unidirectional air nozzle 55, so that the efficiency of injecting air into the sludge is improved.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (9)
1. The utility model provides a lake ecology is dredging device for repairing, includes device main part (1), the right side of device main part (1) is fixed with frame plate (11), the top of frame plate (11) is fixed with electric putter (12), the flexible end left side of electric putter (12) is fixed with L shaped plate (13), the right side of device main part (1) is run through to L shaped plate (13), the left side of device main part (1) is provided with switch door (14), the inside of device main part (1) is fixed with filter screen (15), its characterized in that: the device also comprises a water removing device (2), an anti-blocking device (3), an anti-overflow device (4) and an air injection device (5);
wherein, water trap (2) include fixed plate (21), rack (23), gear (24), spiral leaf (25), net face post (26), fixed plate (21) are fixed at the left side top of L shaped plate (13), rack (23) are fixed in the inside of device main part (1), gear (24) rotate and install at fixed plate (21) top, and gear (24) and rack (23) meshing, the bottom at gear (24) is fixed to net face post (26), the outside at net face post (26) is fixed to spiral leaf (25).
2. The dredging device for lake ecology restoration according to claim 1, wherein: l shape frame (22), cock stem (27), L shape conflict pole (28), a plurality of triangle piece (29), L shape frame (22) are fixed at the top of fixed plate (21), the bottom slidable mounting of cock stem (27) is in the inside of net face post (26), and the top of cock stem (27) runs through L shape frame (22), L shape conflict pole (28) are fixed at the top of cock stem (27), and are equipped with the spring between the top of L shape conflict pole (28) and L shape frame (22), a plurality of triangle piece (29) are evenly equidistant to be fixed at the top of rack (23), triangle piece (29) are located the motion trail of L shape conflict pole (28).
3. The dredging device for lake ecology restoration according to claim 2, wherein: anti-blocking device (3) include two dead levers (31), triangle oblique scraper blade (32), two dead lever (31) are fixed respectively in the left side front and the back of L shaped board (13), triangle oblique scraper blade (32) are fixed in dead lever (31) one side bottom of keeping away from L shaped board (13), the contact of triangle oblique scraper blade (32) and the top of filter screen (15).
4. A dredging device for lake ecology repair according to claim 3, wherein: the anti-blocking device (3) further comprises a contact supporting wheel (33), a rotating rod (34) and a plurality of pushing blades (35), wherein the contact supporting wheel (33) is rotatably arranged at the inner wall of the triangular inclined scraping plate (32), the rotating rod (34) is fixed at the outer wall of the contact supporting wheel (33), and the pushing blades (35) are uniformly and equidistantly fixed at the outer wall of the rotating rod (34).
5. The dredging device for lake ecology restoration of claim 4, wherein: the anti-overflow device (4) comprises a fixed block (41), an elastic sheet (42) and a guide inclined plate (43), wherein the fixed block (41) is fixed at the inner wall of the lower part of the device main body (1), one end of the elastic sheet (42) is fixed at the top of the fixed block (41), the guide inclined plate (43) is fixed at the other end of the elastic sheet (42), the guide inclined plate (43) is positioned below the filter screen (15), and the top of the guide inclined plate (43) is an inclined surface with the decreasing height from left to right.
6. The dredging device for lake ecology restoration of claim 5, wherein: the anti-overflow device (4) further comprises a plurality of cambered surface rods (44) and a plurality of knocking rods (45), wherein the cambered surface rods (44) are uniformly and equidistantly embedded and fixed on the front surface and the back surface of the guide inclined plate (43), the cambered surface rods (44) penetrate through the bottom surface of the filter screen (15), the tops of the cambered surface rods (44) are located on the movement track of the triangular inclined scraping plate (32), the knocking rods (45) are uniformly and equidistantly fixed on the top surface of the guide inclined plate (43), and the tops of the knocking rods (45) are in contact with the bottom surface of the filter screen (15).
7. The dredging device for lake ecology restoration of claim 6, wherein: the air injection device (5) comprises a pressing plate (51), a one-way air inlet nozzle (52), a pressing bag (53), an air pipe (54) and a plurality of one-way air nozzles (55), wherein the pressing plate (51) is fixed at the outer wall of an L-shaped abutting rod (28), one end of the pressing bag (53) is fixed at the bottom of the pressing plate (51), the other end of the pressing bag (53) is fixed at the top of a fixing plate (21), the one-way air inlet nozzle (52) is fixed at the top of the pressing bag (53), the air pipe (54) is fixed at the bottom of the pressing bag (53), and a plurality of one-way air nozzles (55) are uniformly and equidistantly fixed at the outer wall of the air pipe (54).
8. The dredging device for lake ecology restoration of claim 7, wherein: the gas injection device (5) further comprises a connecting rod (56) and a plurality of elastic blades (57), wherein the connecting rod (56) is fixed at the outer wall of the pressing plate (51), the connecting rod (56) penetrates through the top of the fixing plate (21), and the elastic blades (57) are uniformly and equidistantly fixed at the outer wall of the connecting rod (56).
9. The method for using the dredging device for lake ecological restoration according to any one of claims 1 to 8, wherein the method comprises the following steps: comprises the following steps
S1, putting the sludge into a device main body (1), wherein the sludge falls on a filter screen (15);
s2, water in the sludge flows to a position below the device main body (1) through the filter screen (15);
s3, starting an electric push rod (12), wherein the telescopic end of the electric push rod (12) pushes an L-shaped plate (13) to move towards the inner direction of the device main body (1), and the L-shaped plate (13) extrudes sludge on a filter screen (15);
s4, after water in the sludge is extruded and discharged, opening a switch door (14), and discharging the dewatered sludge out of the device main body (1), so that the next sludge treatment operation can be performed.
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| CN117361831B (en) | 2024-04-30 |
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