CN110698244B

CN110698244B - Environment-friendly efficient dredging and fertilizer making equipment for treatment of lakes and rivers

Info

Publication number: CN110698244B
Application number: CN201911076793.4A
Authority: CN
Inventors: 江四胜; 江川
Original assignee: Regular Holdings Ltd
Current assignee: Regular Holdings Ltd
Priority date: 2019-11-06
Filing date: 2019-11-06
Publication date: 2022-12-09
Anticipated expiration: 2039-11-06
Also published as: CN110698244A

Abstract

The invention discloses an environment-friendly and efficient dredging and fertilizer making device for lake and river regulation, which comprises a support, a dredging mechanism, a dewatering mechanism and a fertilizer making mechanism, wherein a sliding sleeve is arranged on the support in a sliding manner, the sliding sleeve is connected with a driving mechanism arranged on the support, the top end of a sleeve is connected with the bottom end of a steel wire rope, two groups of grab buckets are symmetrically arranged at the bottom end of the sleeve respectively and are movably connected with the two groups of grab buckets, a first hydraulic cylinder is arranged on the top surface in the sleeve, a sealing plate is arranged in the sleeve, the output end of the first hydraulic cylinder penetrates through the sealing plate in a sliding manner and is connected with a movable plate, sliding grooves matched with the movable plate are arranged on the side walls at two sides of the sleeve and are slidably connected with the movable plate, two sides of the movable plate are respectively movably connected with one end of a movable rod, and the other end of the movable rod is movably connected with the grab buckets; the invention has the advantages of high automation degree and convenient operation, and greatly improves the efficiency of cleaning the sludge in the river channel and the quality of products when the sludge is prepared into fertilizer.

Description

Environment-friendly efficient dredging and fertilizer making equipment for treatment of lakes and rivers

Technical Field

The invention belongs to the technical field of river channel treatment, relates to desilting fertilizer production equipment, and particularly relates to environment-friendly and efficient desilting fertilizer production equipment for lake and river channel treatment.

Background

River channel desilting generally refers to the treatment of river channels, and belongs to hydraulic engineering. The silt deposited on the river bottom is cleaned away through mechanical equipment, so that the dredging effect is achieved.

The comparison document CN105275036A discloses a river course desilting system fertile system, its characterized in that is including crawler-type desilting device, silt sorting unit and the silt processing apparatus who arranges in order, silt sorting unit, silt processing apparatus are provided with on the hull, and in crawler-type desilting device one end stretched into the river course by the hull afterbody, there was river course cleaning efficiency low, inconvenient large-scale serialization production that carries on.

In the prior art, the dredging and fertilizer preparing equipment for river regulation has the defects that the moving resistance of a bucket under water is large in the actual operation process, and water in the bucket cannot be discharged in time, so that the energy consumption in dredging is increased, and the water cannot be discharged in time after sludge is dug up from the bottom of a river, so that the burden of a later fertilizer preparing process is increased; when sludge is dehydrated, the automation degree is low, manual assistance is needed, the dehydration effect is poor, and the later fertilizer preparation effect on the sludge is influenced; in addition, in the fertilizer preparation process, when the oxygen introduction amount and the bacterial liquid adding amount are not enough, equipment needs to be suspended for continuous addition, so that the operation of the fertilizer preparation equipment is not coherent and convenient; when silt mixes with fungus liquid and oxygen intensive mixing respectively, because the self nature of silt for the silt bonds on the inner wall of equipment, makes the silt stirring evenly enough lead to making fertile inefficiency, and the unloading clean problem inadequately.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, in the dredging fertilizer preparation equipment for river regulation, the moving resistance of a bucket under water is large in the actual operation process, and water in the bucket cannot be discharged in time, so that the energy consumption in dredging is increased, and after sludge is dug up from the bottom of a river, the water cannot be drained in time, so that the burden of a later fertilizer preparation process is increased; when sludge is dehydrated, the automation degree is low, manual assistance is needed, the dehydration effect is poor, and the later fertilizer preparation effect on the sludge is influenced; in addition, in the fertilizer preparation process, when the oxygen introduction amount and the bacterial liquid adding amount are not enough, equipment needs to be suspended for continuous addition, so that the operation of the fertilizer preparation equipment is not coherent and convenient; when silt mixes with fungus liquid and oxygen intensive mixing respectively, because the self nature of silt for the silt bonds on the inner wall of equipment, makes the silt stirring evenly enough lead to making fertile inefficiency, and the unloading clean problem inadequately, and provides a high-efficient type of environmental protection lake river channel and administer and use desilting system fertile equipment.

The purpose of the invention can be realized by the following technical scheme:

an environment-friendly and efficient desilting and fertilizer making device for treating lakes and rivers comprises a bracket, a desilting mechanism, a dewatering mechanism and a fertilizer making mechanism, wherein a sliding sleeve is arranged on the bracket in a sliding manner and is connected with a driving mechanism arranged on the bracket, a traction mechanism is arranged on the sliding sleeve, the output end of the traction mechanism is connected with a steel wire rope,

the bottom and the desilting mechanism of wire rope are connected, the desilting mechanism includes the sleeve pipe, the grab bucket, the movable rod, the scraper blade, first pneumatic cylinder, closing plate and movable plate, the sleeve pipe top is connected with wire rope's bottom, sheathed tube bottom symmetry respectively is provided with two sets of grab buckets, and all with two sets of grab bucket swing joint, set up first pneumatic cylinder on the sheathed tube top surface, and the intraductal closing plate that is provided with of cover, the closing plate is located the bottom of first pneumatic cylinder, and the output of first pneumatic cylinder slides and passes the closing plate, and be connected with the movable plate, be provided with the spout with the movable plate looks adaptation on the lateral wall of sleeve pipe both sides, and with movable plate sliding connection, the both sides of movable plate respectively with the one end swing joint of movable rod, the other end and the grab bucket swing joint of movable rod.

Preferably, two sets of grab buckets are the lamella structure, and the equidistant multiunit scraper blade that is provided with on the bottom lateral wall of grab bucket, and the scraper blade is the toper structure, and the mutual block setting between the scraper blade of two sets of grab bucket bottoms, evenly is provided with multiunit's wash port on the lateral wall of two sets of grab buckets.

Preferably, one side of support is provided with dewatering mechanism, dewatering mechanism includes feeding funnel, the rotary drum, the base, the discharging pipe, the drive shaft, driving gear and driven gear, the rotary drum rotates and sets up on the base, and the cover is equipped with driven gear respectively on the both ends of rotary drum outer wall, driven gear is connected with driving gear engagement, the driving gear cover is established in the drive shaft, the drive shaft is connected with driving motor's output, driving motor and drive shaft are installed respectively on the base, the drive shaft passes through the bearing frame and rotates and install on the base.

Preferably, both sides of the rotary drum are respectively provided with a feeding funnel and a discharging pipe, the feeding funnel is positioned on one side of the rotary drum close to the dredging mechanism, the discharging pipe is positioned on the other side of the rotary drum far away from the fertilizer making mechanism, and the rotary drum is rotatably connected with the feeding funnel and the discharging pipe.

Preferably, the base comprises a fixed plate, a second hydraulic cylinder and a movable plate, the movable plate is located above the fixed plate, one side of the movable plate is movably connected with one side of the fixed plate, the top surface of the other side of the fixed plate is movably connected with the bottom surface of the other side of the movable plate through the second hydraulic cylinder, the second hydraulic cylinder is located on one side close to the dredging mechanism, the dewatering mechanism is located on the movable plate, multiple groups of filter holes are uniformly formed in the outer wall of the cambered surface of the rotary drum, a humidity sensor is arranged on the rotary drum, and the humidity sensor is in communication connection with the second hydraulic cylinder through a PLC (programmable logic controller).

Preferably, fertile mechanism of system includes the inlet pipe, the trachea, the filling tube, the discharge tube, the agitator tank, lower hopper, the mounting bracket, including a motor, an end cap, a controller, and a cover plate, the stirring shaft, first connecting plate, the second connecting plate, the spiller, connecting axle and torsional spring, the agitator tank sets up on the front of mounting bracket, the inside of agitator tank is provided with the cross-section and is circular shape stirring chamber, the motor sets up on the top surface of mounting bracket, the output and the (mixing) shaft of motor are connected, the other end of (mixing) shaft extends to the inside in stirring chamber, and rotate with the agitator tank and be connected, evenly install the first connecting plate of multiunit on the outer wall of (mixing) shaft middle part, the other end of first connecting plate passes through connecting axle and second connecting plate swing joint, the other end and the spiller of second connecting plate are connected, the spiller laminating is on the inner wall in stirring chamber, the cover is equipped with the torsional spring on the connecting axle, the both ends of torsional spring respectively with first connecting plate and second connecting plate overlap joint.

Preferably, the upper and lower both sides of agitator tank are provided with inlet pipe and discharge tube respectively, and the left and right sides of agitator tank is provided with filling tube and trachea respectively, and the feed end of inlet pipe is provided with the feeding funnel, and the feeding funnel passes through connecting pipe and discharging pipe intercommunication, and the connecting pipe is curved, flexible communicating pipe, and the discharge end below of discharge tube is provided with down the hopper, and the hopper is the toper structure down, and the hopper setting is on the front of mounting bracket down.

Preferably, the use method of the dredging fertilizer making equipment comprises the following steps:

s1, installing and erecting a support, a dredging mechanism, a dewatering mechanism and a fertilizer making mechanism, firstly controlling a driving mechanism to work to enable a sliding sleeve to slide to a specified position along the support, then controlling a traction mechanism to work to enable a steel wire rope to be released, so that grab buckets are driven to descend through a sleeve to enable the grab buckets to descend to silt positions of a river channel, then controlling a first hydraulic cylinder to extend to enable a movable plate to move downwards, enabling the opened grab buckets to be close to each other and folded through a movable rod by the movable plate, enabling silt to be grabbed into two groups of grab buckets, controlling the traction mechanism to work to enable the steel wire rope to be wound, enabling the grab buckets to move upwards through the sleeve and enabling the driving mechanism to enable the grab buckets to move horizontally through the sliding sleeve, and enabling the grab bucket filled with silt to be positioned right above a silt feeding funnel;

s2, controlling the first hydraulic cylinder to contract to enable the movable plate to move upwards, enabling the movable plate to enable the closed grab bucket to open through the movable rod to enable sludge in the grab bucket to fall into the feeding hopper, then controlling the driving motor to work to drive the driving shaft and the driving gear on the driving shaft to rotate, enabling the driving gear to drive the driven gear to rotate through meshing, enabling the rotary drum to rotate to enable moisture in the sludge to be discharged through a filter hole in the rotary drum, enabling a humidity sensor on the rotary drum to monitor moisture content in the sludge, and controlling the second hydraulic cylinder to work to enable the movable plate to be lifted close to one side of the dredging mechanism to enable the rotary drum to incline towards the fertilizer making mechanism when the moisture content in the sludge reaches a process standard, so that the dewatered sludge enters the stirring tank along the connecting pipe, the feeding hopper and the feeding pipe in sequence to make fertilizer;

s3, before the silt after the dehydration enters into the agitator tank, feed tube and bacterial charging tank intercommunication respectively, and add the fungus liquid to the agitator tank through the pump body ration of bacterial charging tube, two logical with the gas pitcher of trachea, and add oxygen in the agitator tank through the air pump ration, after the silt after the dehydration enters into the agitator tank, the starter motor work, it rotates to drive the (mixing) shaft, thereby the (mixing) shaft drives the spiller on the second connecting plate through first connecting plate and second connecting plate and rotates along the inner wall in stirring chamber, thereby overturn the silt of stirring intracavity, make fungus liquid and oxygen fully even contact with the silt after the dehydration, after the silt fermentation is accomplished, open the valve on the discharge tube, make the silt after the fermentation accomplished pack through hopper discharge down.

Compared with the prior art, the invention has the beneficial effects that:

the support, the dredging mechanism, the dewatering mechanism and the fertilizer making mechanism are installed and erected, firstly, the driving mechanism is controlled to work to enable the sliding sleeve to slide to a specified position along the support, then, the traction mechanism is controlled to work to enable the steel wire ropes to be released, the grab buckets are driven to descend through the sleeve, the grab buckets are enabled to descend to the sludge position of a river channel, then, the first hydraulic cylinder is controlled to extend, the movable plate is enabled to move downwards, the movable plate enables the opened grab buckets to be close to each other and folded through the movable rods, the sludge is grabbed into the two groups of grab buckets, then, the traction mechanism is controlled to work to enable the steel wire ropes to be wound, the grab buckets are enabled to move upwards through the sleeve, and the driving mechanism enables the grab buckets to move horizontally through the sliding sleeve, the grab bucket with the sludge is positioned right above the feeding hopper, so that the sludge in a river channel can be cleaned, the sludge cleaning mechanism has the advantages of convenience in operation and good sludge cleaning effect, in addition, when the grab bucket enters the underwater part of the river channel, water can be discharged from the grab bucket through the drain hole, the resistance of the grab bucket for cleaning the sludge under the water is reduced, after the sludge is cleaned, the grab bucket is lifted to the water surface from the water, at the moment, the drain hole also plays a role in the sludge in the grab bucket, the later-stage dewatering mechanism working time and workload are reduced, and the arranged scraper can shovel and excavate the sludge in the river channel, so that the sludge cleaning efficiency is greatly improved;

the method comprises the steps that a first hydraulic cylinder is controlled to contract, a movable plate moves upwards, the movable plate enables a closed grab bucket to be opened through a movable rod, sludge in the grab bucket falls into a feeding hopper, then a driving motor is controlled to work to drive a driving shaft and a driving gear on the driving shaft to rotate, the driving gear drives a driven gear to rotate through meshing action, a rotary drum is made to rotate, moisture in the sludge is discharged through a filter hole in the rotary drum, a humidity sensor on the rotary drum is used for monitoring the moisture content in the sludge, when the moisture content in the sludge reaches a process standard, a second hydraulic cylinder is controlled to work, the movable plate is made to be lifted close to one side of a sludge cleaning mechanism, the rotary drum is made to incline towards a fertilizer making mechanism, the dewatered sludge enters a stirring tank along a connecting pipe, a feeding hopper and a feeding pipe in sequence to make fertilizer, a humidity sensor on the rotary drum is used for monitoring the moisture content in the sludge, so that the dewatering mechanism is high in automation degree, convenient and fast to operate, the dewatering effect is good, the moisture content in the sludge can be controlled, the fertilizer making effect on the sludge in the later stage, and the quality of finished fertilizer is improved;

before the silt after the dehydration enters into the agitator tank, feed tube and bacterial charging tank intercommunication respectively, and pump body ration through the bacterial charging tube adds the fungus liquid in to the agitator tank, trachea and gas pitcher two lead to, and add oxygen in to the agitator tank through the air pump ration, after the silt after the dehydration enters into the agitator tank, the starter motor work, it rotates to drive the (mixing) shaft, thereby the (mixing) shaft drives the scraper knife on the second connecting plate through first connecting plate and second connecting plate and rotates along the inner wall in stirring chamber, thereby overturn the silt in the stirring chamber, make fungus liquid and oxygen can fully even contact with the silt after the dehydration, improve the efficiency of silt system fertilizer, thereby improve the product quality of silt system fertilizer, and simultaneously, at first connecting plate, the second connecting plate, the scraper knife, under the mating reaction of connecting axle and torsional spring, make silt fully stir the mixture with fungus liquid and oxygen respectively, and the scraper knife can avoid silt to adhere on the inner wall in stirring chamber, make the silt not enough evenly lead to the problem that system fertilizer efficiency is low, and carry out the unloading work through the continuous unloading pipe that the silt was opened to the fermented fertilizer after the fertilizer is accomplished, make the unloading work, make things convenient for the unloading, the silt to carry out the unloading hopper, make the unloading work, and carry out the unloading process of the surplus material after the fermentation.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a schematic view of the grab bucket of the present invention;

FIG. 3 is a schematic view of the interior of the sleeve of the present invention;

FIG. 4 is a schematic perspective view of the dewatering mechanism of the present invention;

FIG. 5 is a schematic perspective view of a fertilizer producing mechanism according to the present invention;

FIG. 6 is a side view of the stirring chamber of the present invention;

FIG. 7 is a front view of the stirring chamber of the present invention.

In the figure: 1. a support; 2. a sliding sleeve; 3. a wire rope; 4. a sleeve; 5. a grab bucket; 6. a movable rod; 7. a charging hopper; 8. a rotating drum; 9. a base; 10. a discharge pipe; 11. a connecting pipe; 12. feeding a hopper; 13. a feed pipe; 14. an air pipe; 15. a feed tube; 16. a discharge pipe; 17. a stirring tank; 18. feeding a hopper; 19. a mounting frame; 20. a drain hole; 21. a squeegee; 22. a first hydraulic cylinder; 23. a sealing plate; 24. moving the plate; 25. a fixing plate; 26. a second hydraulic cylinder; 27. a movable plate; 28. a drive shaft; 29. a driving gear; 30. a driven gear; 31. filtering holes; 32. a humidity sensor; 33. a motor; 34. a stirring chamber; 35. a stirring shaft; 36. a first connecting plate; 37. a second connecting plate; 38. a scraper knife; 39. a connecting shaft; 40. a torsion spring.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, an environmental protection and high efficiency type silt removing and fertilizer making device for treating lakes and rivers comprises a support 1, a silt removing mechanism, a dewatering mechanism and a fertilizer making mechanism, wherein a sliding sleeve 2 is slidably arranged on the support 1, the sliding sleeve 2 is connected with a driving mechanism arranged on the support 1, a traction mechanism is arranged on the sliding sleeve 2, the output end of the traction mechanism is connected with a steel wire rope 3,

the bottom end of the steel wire rope 3 is connected with the dredging mechanism, the dredging mechanism comprises a sleeve 4, grab buckets 5, a movable rod 6, a scraper 21, a first hydraulic cylinder 22, a sealing plate 23 and a movable plate 24, the top end of the sleeve 4 is connected with the bottom end of the steel wire rope 3, the bottom end of the sleeve 4 is respectively and symmetrically provided with two sets of grab buckets 5 and is movably connected with the two sets of grab buckets 5, the top surface in the sleeve 4 is provided with the first hydraulic cylinder 22, the sealing plate 23 is arranged in the sleeve 4 and is located at the bottom of the first hydraulic cylinder 22, the output end of the first hydraulic cylinder 22 slides through the sealing plate 23 and is connected with the movable plate 24, the side walls at two sides of the sleeve 4 are provided with sliding grooves matched with the movable plate 24 and are slidably connected with the movable plate 24, two sides of the movable plate 24 are respectively and movably connected with one end of the movable rod 6, and the other end of the movable rod 6 is movably connected with the grab buckets 5.

The two groups of grab buckets 5 are of a hinge type structure, a plurality of groups of scraping plates 21 are arranged on the side wall of the bottom of each grab bucket 5 at equal intervals, the scraping plates 21 are of a conical structure, the scraping plates 21 at the bottoms of the two groups of grab buckets 5 are clamped with each other, a plurality of groups of drain holes 20 are uniformly formed in the side walls of the two groups of grab buckets 5, the movable plate 24 is moved downwards or upwards by controlling the extension or contraction of the first hydraulic cylinder 22, the movable plate 24 enables the grab buckets 5 to be folded or unfolded through the movable rod 6, so that the sludge in the river channel can be cleaned, the sludge cleaning mechanism is convenient to operate and good in sludge cleaning effect, in addition, when the grab buckets 5 enter the water in the river channel, water can be discharged from the grab buckets 5 through the drain holes 20, the resistance of the grab buckets 5 in cleaning the underwater sludge is reduced, the grab buckets are lifted from the water surface after the sludge is cleaned, at the moment, the drain holes 20 also realize the effect on the sludge in the grab buckets 5, the working time and the workload of the later-stage dewatering mechanism are reduced, and the arranged scraping plates 21 can shovel and the sludge in the river channel and can be cleaned, so that the sludge can be cleaned, and the sludge cleaning efficiency is greatly improved.

One side of support 1 is provided with dewatering mechanism, dewatering mechanism includes charging hopper 7, rotary drum 8, base 9, discharging pipe 10, drive shaft 28, driving gear 29 and driven gear 30, rotary drum 8 rotates and sets up on base 9, and the cover is equipped with driven gear 30 respectively on the both ends of rotary drum 8 outer wall, driven gear 30 is connected with driving gear 29 meshing, driving gear 29 cover is established on drive shaft 28, drive shaft 28 is connected with driving motor's output, driving motor and drive shaft 28 are installed respectively on base 9, drive shaft 28 passes through the bearing frame rotation and installs on base 9.

The both sides of rotary drum 8 are provided with feeding funnel 7 and discharging pipe 10 respectively, and feeding funnel 7 is located rotary drum 8 and is close to one side of desilting mechanism, and discharging pipe 10 is located rotary drum 8 and keeps away from the opposite side of fertile mechanism of system, and rotary drum 8 all rotates with feeding funnel 7 and discharging pipe 10 to be connected.

The base 9 is composed of a fixed plate 25, a second hydraulic cylinder 26 and a movable plate 27, the movable plate 27 is located above the fixed plate 25, one side of the movable plate 27 is movably connected with one side of the fixed plate 25, the top surface of the other side of the fixed plate 25 is movably connected with the bottom surface of the other side of the movable plate 27 through the second hydraulic cylinder 26, the second hydraulic cylinder 26 is located at one side close to the silt removing mechanism, the dewatering mechanism is located on the movable plate 27, a plurality of groups of filtering holes 31 are uniformly formed in the outer wall of the arc surface of the rotary drum 8, a humidity sensor 32 is arranged on the rotary drum 8, the humidity sensor 32 is in communication connection with the second hydraulic cylinder 26 through a PLC (programmable logic controller), the driving shaft 28 and a driving gear 29 on the driving shaft 28 are driven to rotate through the meshing action of the driving gear 29, the rotary drum 8 is made to rotate, moisture in the silt is discharged through the filtering holes 31 on the rotary drum 8, the humidity sensor 32 on the rotary drum 8 is used for monitoring moisture content in the silt, when moisture content in the silt reaches a process standard, the second hydraulic cylinder 26 is controlled to work, the movable plate 27 is made to be close to be lifted to one side of the silt removing mechanism, so that the finished product can be easily poured into the finished product, and the finished product can be conveniently controlled, and the dewatering effect of the dewatering mechanism.

Fertile mechanism of system includes inlet pipe 13, trachea 14, filling tube 15, discharge tube 16, agitator tank 17, lower hopper 18, mounting bracket 19, motor 33, agitator chamber 34, the (mixing) shaft 35, first connecting plate 36, second connecting plate 37, shovel sword 38, connecting axle 39 and torsional spring 40, agitator tank 17 sets up on the front of mounting bracket 19, agitator tank 17's inside is provided with the cross-section and is circular shape agitator chamber 34, motor 33 sets up on the top surface of mounting bracket 19, motor 33's output and (mixing) shaft 35 are connected, the other end of (mixing) shaft 35 extends to the inside of agitator chamber 34, and be connected with agitator tank 17 rotation, evenly install multiunit first connecting plate 36 on the outer wall in the middle part of (mixing) shaft 35, the other end of first connecting plate 36 passes through connecting axle 39 and second connecting plate 37 swing joint, the other end of second connecting plate 37 is connected with shovel sword 38, shovel sword 38 laminating is on the inner wall of agitator chamber 34, the cover is equipped with torsional spring 40 on connecting axle 39, the both ends of torsional spring 40 overlap joint with first connecting plate 36 and second connecting plate 37 respectively.

The upper side and the lower side of the stirring tank 17 are respectively provided with a feeding pipe 13 and a discharging pipe 16, the left side and the right side of the stirring tank 17 are respectively provided with a feeding pipe 15 and an air pipe 14, the feeding end of the feeding pipe 13 is provided with a feeding hopper 12, the feeding hopper 12 is communicated with a discharging pipe 10 through a connecting pipe 11, the connecting pipe 11 is an arc-shaped and telescopic communicating pipe, a discharging hopper 18 is arranged below the discharging end of the discharging pipe 16, the discharging hopper 18 is of a conical structure, the discharging hopper 18 is arranged on the front surface of the mounting frame 19, after dehydrated sludge enters the stirring tank 17, the motor 33 is started to work to drive the stirring shaft 35 to rotate, so that the stirring shaft 35 drives the shovel blade 38 on the second connecting plate 37 to rotate along the inner wall of the stirring cavity 34 through the first connecting plate 36 and the second connecting plate 37, thereby overturning sludge in the stirring cavity 34, so that sludge and oxygen can be fully and uniformly contacted with the dehydrated sludge, the efficiency of preparing sludge is improved, thereby improving the product quality of preparing sludge by sludge, meanwhile, the first connecting plate 36, the second connecting plate 38, the connecting plate 39 and the connecting plate 40 make the sludge and oxygen and the stirring blade and the stirring cavity do not fully and the residual sludge can be uniformly matched with each other, thereby preventing the problem that the residual fertilizer preparing sludge from being adhered to the residual fertilizer after the stirring hopper 18 is solved, and the problem of the stirring hopper, and the stirring blade 16, and the stirring blade is solved, and the problem of the stirring and the stirring hopper, and the stirring blade after the stirring and the problem of the stirring blade is solved, and the problem of the fertilizer preparing fertilizer preparation is solved, and the fertilizer preparation process, and the problem of the fertilizer preparation is solved, thereby not affecting the continuity of the fertilizer preparation work.

The use method of the dredging fertilizer making equipment comprises the following steps:

s1, installing and erecting a support 1, a dredging mechanism, a dewatering mechanism and a fertilizer making mechanism, firstly controlling a driving mechanism to work to enable a sliding sleeve 2 to slide to a specified position along the support 1, then controlling a traction mechanism to work to enable a steel wire rope 3 to be released, so that grab buckets 5 are driven to descend through a sleeve 4, enabling the grab buckets 5 to descend to silt positions of a river channel, then controlling a first hydraulic cylinder 22 to extend, enabling a moving plate 24 to move downwards, enabling the moving plate 24 to enable the opened grab buckets 5 to be close to each other and folded through a movable rod 6, enabling silt to be grabbed into the two groups of grab buckets 5, then controlling the traction mechanism to work to enable the steel wire rope 3 to be wound, enabling the grab buckets 5 to move upwards through the sleeve 4 and enabling the driving mechanism to enable the grab buckets 5 to horizontally move through the sliding sleeve 2, and enabling the grab buckets 5 filled with silt to be located at positions right above a feeding hopper 7;

s2, controlling the first hydraulic cylinder 22 to contract to enable the movable plate 24 to move upwards, enabling the movable plate 24 to open the closed grab bucket 5 through the movable rod 6 to enable sludge in the grab bucket 5 to fall into the feeding hopper 7, then controlling the driving motor to work to drive the driving shaft 28 and the driving gear 29 on the driving shaft 28 to rotate, enabling the driving gear 29 to drive the driven gear 30 to rotate through meshing action to enable the rotary drum 8 to rotate, enabling moisture in the sludge to be discharged through the filtering holes 31 on the rotary drum 8, controlling the humidity sensor 32 on the rotary drum 8 to monitor the moisture content in the sludge, and controlling the second hydraulic cylinder 26 to work to lift the movable plate 27 to be close to one side of the dredging mechanism when the moisture content in the sludge reaches a technological standard, so that the rotary drum 8 inclines towards the fertilizer making mechanism, and enabling the dewatered sludge to enter the stirring tank 17 along the connecting pipe 11, the feeding hopper 12 and the feeding pipe 13 in sequence to make fertilizer;

s3, before the dewatered sludge enters the stirring tank 17, the feeding pipe 15 is communicated with the strain feeding tank, bacteria liquid is quantitatively added into the stirring tank 17 through a pump body of the strain feeding pipe, the air pipe 14 is communicated with the air tank, oxygen is quantitatively added into the stirring tank 17 through an air pump, after the dewatered sludge enters the stirring tank 17, the motor 33 is started to work to drive the stirring shaft 35 to rotate, the stirring shaft 35 drives the scraper knife 38 on the second connecting plate 37 to rotate along the inner wall of the stirring cavity 34 through the first connecting plate 36 and the second connecting plate 37, the sludge in the stirring cavity 34 is turned over, the bacteria liquid and the oxygen can be fully and uniformly contacted with the dewatered sludge, after the sludge is fermented, a valve on the discharging pipe 16 is opened, and the fermented sludge is discharged through the discharging hopper 18 to be packaged.

The working principle of the invention is as follows: when the device works, the support 1, the dredging mechanism, the dewatering mechanism and the fertilizer making mechanism are installed and erected, firstly, the driving mechanism is controlled to work to enable the sliding sleeve 2 to slide to a specified position along the support 1, then the traction mechanism is controlled to work to enable the steel wire rope 3 to be released, so that the grab bucket 5 is driven to descend through the sleeve 4, the grab bucket 5 descends to the sludge of a river channel, then the first hydraulic cylinder 22 is controlled to extend, the movable plate 24 moves downwards, the movable plate 24 enables the opened grab buckets 5 to be close to each other and folded through the movable rod 6, so that the sludge is grabbed into the two groups of grab buckets 5, then the traction mechanism is controlled to work to enable the steel wire rope 3 to be wound, the grab bucket 5 moves upwards through the sleeve 4 and the driving mechanism enables the grab bucket 5 to move horizontally through the sliding sleeve 2, in addition, when the grab bucket 5 enters the underwater river channel, water can be discharged from the grab bucket 5 through the water discharge hole 20, so that the resistance of the grab bucket 5 to underwater sludge cleaning is reduced, after the sludge is cleaned, the grab bucket is lifted up to the water surface from the underwater, at the moment, the water discharge hole 20 also plays a role in sludge in the grab bucket 5, the working time and the working amount of a later-stage dewatering mechanism are reduced, and the arranged scraper 21 can shovel and excavate the sludge in the river channel, so that the sludge cleaning efficiency is greatly improved;

controlling the first hydraulic cylinder 22 to contract to enable the moving plate 24 to move upwards, enabling the moving plate 24 to open the closed grab bucket 5 through the moving rod 6 to enable sludge in the grab bucket 5 to fall into the feeding hopper 7, then controlling the driving motor to work to drive the driving shaft 28 and the driving gear 29 on the driving shaft 28 to rotate, enabling the driving gear 29 to drive the driven gear 30 to rotate through meshing action to enable the rotary drum 8 to rotate, enabling moisture in the sludge to be discharged through the filtering holes 31 on the rotary drum 8, controlling the humidity sensor 32 on the rotary drum 8 to monitor the moisture content in the sludge, controlling the second hydraulic cylinder 26 to work when the moisture content in the sludge reaches a process standard, enabling the moving plate 27 to be lifted close to one side of the sludge cleaning mechanism, enabling the rotary drum 8 to incline towards the fertilizer making mechanism, enabling the dewatered sludge to enter the stirring tank 17 along the connecting pipe 11, the feeding hopper 12 and the feeding pipe 13 in sequence to make fertilizer, and enabling the humidity sensor 32 on the rotary drum 8 to monitor the moisture content in the sludge, so that the automation degree of the dewatering mechanism is high, convenient to operate, good dewatering effect, and the later-stage of making fertilizer and improving the quality of the finished product;

before the silt after dehydration enters into agitator tank 17, respectively feed through filling tube 15 and bacterial filling tank, and pump body ration through the bacterial filling tube adds the fungus liquid to agitator tank 17, trachea 14 leads to with the gas pitcher, and add oxygen to agitator tank 17 through the air pump ration, after the silt after dehydration enters into agitator tank 17, starter motor 33 works, drive (mixing) shaft 35 and rotate, thereby (mixing) shaft 35 drives shovel sword 38 on second connecting plate 37 to rotate along the inner wall of stirring chamber 34 through first connecting plate 36 and second connecting plate 37, thereby overturn the silt in stirring chamber 34, make fungus liquid and oxygen can fully and evenly contact with the silt after dehydration, improve the efficiency of silt system fertilizer, thereby improve the product quality of silt system fertilizer, and simultaneously, under the cooperation of first connecting plate 36, second connecting plate 37, shovel sword 38, 39 and torsional spring 40, make silt fully stir and mix with oxygen respectively, and knife 38 can avoid the adhesion on the inner wall of stirring chamber 34, make the stirring not enough even, and make silt to carry out the continuous stirring during the work, and make the silt to carry out the unloading from the continuous stirring pipe of surplus fertilizer, and make the surplus fertilizer accomplish the problem of unloading work, and make the surplus fertilizer by the continuous unloading hopper of the surplus fertilizer through the shovel sword 16, and the continuous unloading pipe of the fermented fertilizer after the fermented fertilizer is carried out.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An environment-friendly and efficient dredging and fertilizer making device for treating lakes and rivers is characterized by comprising a bracket (1), a dredging mechanism, a dewatering mechanism and a fertilizer making mechanism, wherein a sliding sleeve (2) is arranged on the bracket (1) in a sliding manner, the sliding sleeve (2) is connected with a driving mechanism arranged on the bracket (1), a traction mechanism is arranged on the sliding sleeve (2), the output end of the traction mechanism is connected with a steel wire rope (3),

the bottom end of a steel wire rope (3) is connected with a dredging mechanism, the dredging mechanism comprises a sleeve (4), grab buckets (5), movable rods (6), a scraper (21), a first hydraulic cylinder (22), a sealing plate (23) and a movable plate (24), the top end of the sleeve (4) is connected with the bottom end of the steel wire rope (3), the bottom end of the sleeve (4) is respectively and symmetrically provided with two groups of grab buckets (5) and is movably connected with the two groups of grab buckets (5), the top surface in the sleeve (4) is provided with the first hydraulic cylinder (22), the sealing plate (23) is arranged in the sleeve (4), the sealing plate (23) is positioned at the bottom of the first hydraulic cylinder (22), the output end of the first hydraulic cylinder (22) penetrates through the sealing plate (23) in a sliding mode and is connected with the movable plate (24), sliding grooves matched with the movable plate (24) are formed in the side walls of the two sides of the sleeve (4) and are connected with the movable plate (24) in a sliding mode, the two sides of the movable plate (24) are respectively connected with one end of the movable rod (6), and the other end of the movable rod (6) is movably connected with the grab buckets (5);

the two groups of grab buckets (5) are of a petal type structure, a plurality of groups of scraping plates (21) are arranged on the side wall of the bottom of each grab bucket (5) at equal intervals, the scraping plates (21) are of a conical structure, the scraping plates (21) at the bottom of the two groups of grab buckets (5) are mutually clamped, and a plurality of groups of drain holes (20) are uniformly formed in the side wall of each grab bucket (5);

one side of support (1) is provided with dewatering mechanism, dewatering mechanism includes charging hopper (7), rotary drum (8), base (9), discharging pipe (10), drive shaft (28), driving gear (29) and driven gear (30), rotary drum (8) rotate and set up on base (9), and overlap respectively on the both ends of rotary drum (8) outer wall and be equipped with driven gear (30), driven gear (30) are connected with driving gear (29) meshing, driving gear (29) cover is established on drive shaft (28), drive shaft (28) are connected with driving motor's output, driving motor and drive shaft (28) are installed respectively on base (9), drive shaft (28) rotate through the bearing frame and install on base (9);

a feeding funnel (7) and a discharging pipe (10) are respectively arranged on two sides of the rotary drum (8), the feeding funnel (7) is positioned on one side, close to the dredging mechanism, of the rotary drum (8), the discharging pipe (10) is positioned on the other side, far away from the fertilizer making mechanism, of the rotary drum (8), and the rotary drum (8) is rotatably connected with the feeding funnel (7) and the discharging pipe (10);

the base (9) is composed of a fixed plate (25), a second hydraulic cylinder (26) and a movable plate (27), the movable plate (27) is located above the fixed plate (25), one side of the movable plate (27) is movably connected with one side of the fixed plate (25), the top surface of the other side of the fixed plate (25) is movably connected with the bottom surface of the other side of the movable plate (27) through the second hydraulic cylinder (26), the second hydraulic cylinder (26) is located on one side close to the dredging mechanism, the dewatering mechanism is located on the movable plate (27), a plurality of groups of filtering holes (31) are uniformly formed in the outer wall of the arc surface of the rotary drum (8), a humidity sensor (32) is arranged on the rotary drum (8), and the humidity sensor (32) is in communication connection with the second hydraulic cylinder (26) through a PLC (PLC);

the fertilizer making mechanism comprises a feeding pipe (13), an air pipe (14), a feeding pipe (15), a discharging pipe (16), a stirring tank (17), a discharging hopper (18), a mounting frame (19), a motor (33), a stirring cavity (34), a stirring shaft (35), a first connecting plate (36), a second connecting plate (37), a scraper knife (38), a connecting shaft (39) and a torsion spring (40), wherein the stirring tank (17) is arranged on the front surface of the mounting frame (19), the stirring cavity (34) with a circular cross section is arranged inside the stirring tank (17), the motor (33) is arranged on the top surface of the mounting frame (19), the output end of the motor (33) is connected with the stirring shaft (35), and the other end of the stirring shaft (35) extends to the inside of the stirring cavity (34), the stirring shaft is rotatably connected with the stirring tank (17), a plurality of groups of first connecting plates (36) are uniformly arranged on the outer wall of the middle part of the stirring shaft (35), the other ends of the first connecting plates (36) are movably connected with a second connecting plate (37) through connecting shafts (39), the other ends of the second connecting plates (37) are connected with scraper knives (38), the scraper knives (38) are attached to the inner wall of the stirring cavity (34), torsion springs (40) are sleeved on the connecting shafts (39), and two ends of each torsion spring (40) are respectively overlapped with the first connecting plates (36) and the second connecting plates (37);

a feeding pipe (13) and a discharging pipe (16) are respectively arranged on the upper side and the lower side of the stirring tank (17), a feeding pipe (15) and a gas pipe (14) are respectively arranged on the left side and the right side of the stirring tank (17), a feeding hopper (12) is arranged at the feeding end of the feeding pipe (13), the feeding hopper (12) is communicated with a discharging pipe (10) through a connecting pipe (11), the connecting pipe (11) is an arc-shaped and telescopic communicating pipe, a discharging hopper (18) is arranged below the discharging end of the discharging pipe (16), the discharging hopper (18) is of a conical structure, and the discharging hopper (18) is arranged on the front face of the mounting frame (19);

under the matching action of the first connecting plate (36), the second connecting plate (37), the scraper knife (38), the connecting shaft (39) and the torsion spring (40), sludge is respectively and fully stirred and mixed with bacteria liquid and oxygen, the scraper knife (38) can avoid the problem that the sludge is adhered to the inner wall of the stirring cavity (34), so that the sludge is not stirred uniformly enough to cause low fertilizer preparation efficiency, and when the fertilizer is prepared and discharged, the scraper knife (38) can facilitate the fertilizer to be discharged, and no residual material exists on the inner wall;

s1, a support (1), a dredging mechanism, a dewatering mechanism and a fertilizer making mechanism are installed and erected, firstly, a driving mechanism is controlled to work to enable a sliding sleeve (2) to slide to a specified position along the support (1), then, a traction mechanism is controlled to work to enable a steel wire rope (3) to be released, so that grab buckets (5) are driven to descend through a sleeve (4), the grab buckets (5) are enabled to descend to silt positions of a river channel, then, a first hydraulic cylinder (22) is controlled to extend, a movable plate (24) is enabled to move downwards, the movable plate (24) enables the opened grab buckets (5) to be close to each other and folded through a movable rod (6), silt is grabbed into two groups of grab buckets (5), then, the traction mechanism is controlled to work to enable the steel wire rope (3) to move upwards through the sleeve (4), and the driving mechanism enables the grab buckets (5) to move horizontally through the sliding sleeve (2), and therefore the grab buckets (5) with the silt are located at positions right above a feeding hopper (7);

s2, controlling the first hydraulic cylinder (22) to contract to enable the movable plate (24) to move upwards, enabling the movable plate (24) to open the closed grab bucket (5) through the movable rod (6), enabling sludge in the grab bucket (5) to fall into the feeding hopper (7), then controlling the driving motor to work to drive the driving shaft (28) and the driving gear (29) on the driving shaft (28) to rotate, enabling the driving gear (29) to drive the driven gear (30) to rotate through meshing, enabling the rotary drum (8) to rotate, enabling moisture in the sludge to be discharged through a filtering hole (31) in the rotary drum (8), enabling a humidity sensor (32) on the rotary drum (8) to monitor moisture content in the sludge, and controlling the second hydraulic cylinder (26) to work when the moisture content in the sludge reaches a process standard, enabling the movable plate (27) to be close to one side of the sludge cleaning mechanism to be lifted, enabling the rotary drum (8) to incline towards the fertilizer making mechanism, and enabling the dewatered sludge to enter the stirring tank (17) along the connecting pipe (11), the upper hopper (12) and the feeding pipe (13) in sequence to make fertilizer;

s3, before the dewatered sludge enters the stirring tank (17), the feeding pipe (15) is communicated with the strain feeding tank respectively, bacteria liquid is quantitatively added into the stirring tank (17) through a pump body of the strain feeding pipe, the air pipe (14) is communicated with the air tank, oxygen is quantitatively added into the stirring tank (17) through the air pump, after the dewatered sludge enters the stirring tank (17), the motor (33) is started to work to drive the stirring shaft (35) to rotate, so that the stirring shaft (35) drives the scraper knife (38) on the second connecting plate (37) to rotate along the inner wall of the stirring cavity (34) through the first connecting plate (36) and the second connecting plate (37), sludge in the stirring cavity (34) is overturned, the bacteria liquid and the oxygen can be fully and uniformly contacted with the dewatered sludge, after sludge fermentation is finished, a valve on the discharging pipe (16) is opened, and the sludge after fermentation is discharged through the discharging pipe (18) to be packaged.