Device for cleaning submerged sludge in closed pool

Abstract

The utility model belongs to the field of desilting equipment, and provides a device for cleaning submerged sludge in a closed pool, which comprises a buoy component, a traction component, a mounting frame, a movable stirring component, a liquid discharge pump, a hose, a discharge groove, a filter screen, a fixed stirring component, a speed reducing motor, a negative pressure pipe, a siphon tank and a siphon pump. The traction assembly provided by the utility model controls the actual working position of the buoy assembly in the closed pool; the floating barrel assembly carries the movable stirring assembly to stir sludge in the closed pool, stirred sewage is guided into the discharging groove through the liquid discharging pump, and the sludge is lifted and stored in the siphon tank through the siphon pump, the siphon tank and the negative pressure pipe and then discharged through a pipeline. According to the device, the dredging operation can be completed under the closed condition, the labor intensity of manpower and heavy machinery for cleaning sludge in a pool is reduced, the safety risk caused by operation in a closed space is reduced, the rapid, efficient and safe operation effect can be achieved, and the device is suitable for large-scale popularization.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of dredging equipment, especially relates to a device for cleaning sludge under liquid in airtight pool. BACKGROUND

[0002] The airtight pool is used for domestic sewage treatment, garbage treatment and light and heavy industrial waste treatment. The sludge in the airtight pool is cleaned by manual cleaning and hoisting mechanical excavation. The manual cleaning mode has the problems of time-consuming and labor-intensive and high labor cost, and the long-term fermentation of the sludge in the pool will cause the odor, and improper protection will cause suffocation accidents. For the hoisting mechanical excavation mode, the cover plate on the top of the pool is usually removed, and a grab bucket is lowered for treatment. However, for the case of odor in the pool, there is a risk of large-scale odor emission, and the grab bucket is easily damaged during lifting, which increases the maintenance frequency of the airtight pool. SUMMARY

[0003] The utility model discloses a device for cleaning sludge under liquid in airtight pool, which reduces the labor intensity of manual and heavy machinery for cleaning sludge in the pool, reduces the safety risk of operation in the airtight space, and is beneficial to realize fast, efficient and safe operation effect.

[0004] In order to achieve the above purpose, the utility model adopts the technical scheme, and provides a device for cleaning sludge under liquid in airtight pool, which comprises a float assembly, traction assemblies are arranged at both ends of the float assembly, the traction assembly comprises a traction rope connected with the float assembly, a mounting bracket is arranged at the bottom of the float assembly, a mobile stirring assembly and a liquid discharge pump are arranged on the mounting bracket, the liquid discharge pump comprises an inlet and an outlet, a hose is arranged at the end of the liquid discharge pump away from the liquid discharge pump, an external discharge groove is arranged at the end of the hose away from the liquid discharge pump, the external discharge groove is arranged in the airtight pool, a filter screen is arranged in the external discharge groove, a fixed stirring assembly is arranged in the filter screen, the shaft end of the fixed stirring assembly extends towards the top of the airtight pool, a speed reducer is arranged outside the airtight pool and is in transmission connection with the fixed stirring assembly, a negative pressure pipe is arranged in the filter screen, the negative pressure pipe extends from the inside of the external discharge groove to the outside of the airtight pool and is connected with a siphon tank arranged outside the airtight pool, and the siphon tank is connected with a siphon pump through a pipeline.

[0005] As preferred, the float assembly comprises two stainless steel thin-walled cylinders, and a groove plate and a flat plate are arranged between the two stainless steel thin-walled cylinders and are welded with the two stainless steel thin-walled cylinders respectively, the side of the groove plate is provided with a flat plate plug-in matching socket, the groove plate and the flat plate are provided with a plurality of groups of up-and-down corresponding through connecting holes, the connecting holes are connected through bolts, the top of the stainless steel thin-walled cylinder is provided with a plurality of pairs of front-and-back interval distribution lifting rings, and the traction rope comprises a main rope, the main rope is provided with four branches which are respectively matched with the four pairs of through holes, and a pair of limiting heads distributed on both sides of the lifting ring are arranged on the branch.

[0006] As preferred, the mounting frame is arranged in pairs at the bottom of the two stainless steel thin-walled cylinders, the mounting frame comprises a first inclined section, the first inclined section extends towards the symmetry center plane of the two stainless steel thin-walled cylinders and the end of the first inclined section is provided with a first vertical section, the bottom of the first vertical section is provided with a horizontal section, one side of the horizontal section deviating from the symmetry center plane of the two stainless steel thin-walled cylinders is provided with a second inclined section, the top of the second inclined section is provided with a second vertical section, and the first inclined section, the first vertical section, the horizontal section, the second inclined section and the second vertical section are all provided with grid holes, and the horizontal section is provided with a long hole for the stirring center of the mobile stirring assembly to move.

[0007] As preferred, the mobile stirring assembly comprises a stirring shaft and stirring blades, the stirring shaft is provided with a positioning plate, the positioning plate is provided with positioning holes corresponding to the grid holes, and the positioning holes are connected with the grid holes through bolts.

[0008] Compared with the prior art, the advantages and positive effects of the utility model are that:

[0009] 1. The device for cleaning sludge under liquid in a closed pool provided by the utility model adjusts the actual working length of the two ends of the float assembly in the closed pool through the traction assembly, so that the actual working position of the float assembly in the closed pool is controlled; the float assembly carries the mobile stirring assembly to stir the sludge in the closed pool, the stirred sewage is guided into the external discharge groove through the liquid discharge pump, the sludge is lifted into the siphon tank through the siphon pump, the siphon tank and the negative pressure pipe, and is then discharged through the pipeline. The device can complete the dredging operation under the closed condition, reduces the labor intensity of heavy machinery for cleaning the sludge in the pool, reduces the safety risk brought by the operation in the closed space, is favorable for realizing the operation effect of rapidness, high efficiency and safety, and is suitable for large-scale promotion. BRIEF DESCRIPTION OF DRAWINGS

[0010] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0011] Figure 1 A working diagram of the device for cleaning sludge under liquid in a closed pool provided for the embodiment;

[0012] Figure 2 An isometric view of the float assembly, traction assembly and mounting frame provided for the embodiment;

[0013] Figure 3 A side view of the float assembly, traction assembly and mounting frame provided for the embodiment;

[0014] Figure 4 A bottom view of the float assembly, traction assembly and mounting frame provided for the embodiment;

[0015] Figure 5 An isometric view of the mounting frame and positioning plate provided for the embodiment;

[0016] In the above drawings, 1 is a closed pool; 2 is a float assembly; 21 is a stainless steel thin-walled cylinder; 22 is a groove plate; 23 is a flat plate; 24 is a connecting hole; 25 is a lifting ring; 3 is a traction assembly; 31 is a traction rope; 311 is a main rope; 312 is a branch; 32 is a limiting head; 4 is a mounting frame; 41 is a first inclined section; 42 is a first vertical section; 43 is a horizontal section; 44 is a second inclined section; 45 is a second vertical section; 46 is a grid hole; 47 is a long hole; 5 is a mobile stirring assembly; 6 is a liquid discharge pump; 7 is a hose; 8 is an external discharge groove; 9 is a filter screen; 10 is a fixed stirring assembly; 11 is a speed reducer motor; 12 is a negative pressure pipe; 13 is a siphon tank; 14 is a siphon pump; 15 is a positioning plate. DETAILED DESCRIPTION

[0017] In order to more clearly understand the above-mentioned purposes, features and advantages of the present application, the following will further describe the present application with reference to the drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict. For the convenience of description, the following will appear "up", "down", "left", "right" only indicate the same direction as the up, down, left and right of the drawings, and do not limit the structure.

[0018] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from the description, therefore, the present application is not limited to the specific embodiments disclosed in the following description.

[0019] Embodiments, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The utility model provides a device of under -liquid sludge cleaning in closed pool, including float assembly 2, the both ends of float assembly 2 are provided with traction assembly 3, and traction assembly 3 includes the traction rope 31 connected with float assembly 2, the bottom of float assembly 2 is provided with mounting bracket 4, and mounting bracket 4 is provided with mobile stirring assembly 5 and drainage pump 6, and drainage pump 6 includes import and export, and the export of drainage pump 6 is provided with hose 7, and the one end of hose 7 away from drainage pump 6 is provided with outer discharge groove 8, and outer discharge groove 8 is arranged in the inside of closed pool 1, and filter screen 9 is arranged in outer discharge groove 8, and filter screen 9 prevents sundries from entering negative pressure pipe 1212, and fixed stirring assembly 10 is arranged in filter screen 9, and fixed stirring assembly 10 prevents sludge from settling, and the shaft end of fixed stirring assembly 10 extends towards the top of closed pool 1 and is provided with speed reducer motor 11 with transmission connection outside closed pool 1, and negative pressure pipe 12 is arranged in the inside of filter screen 9, and negative pressure pipe 12 extends from the inside of outer discharge groove 8 to the outside of closed pool 1 and is connected with siphon tank 13 arranged outside closed pool 1, and siphon tank 13 is connected with siphon pump 14 through pipeline.

[0020] Specifically, drainage pump 6 adopts horizontal type axial flow impeller pump, and the wide flow channel effectively avoids the blockage of massive sludge, guarantees the normal discharge of mixed liquid, and is transported to the outer discharge groove 8 / centralized discharge port in the pool through the hose; the both ends of traction rope 31 can adopt electric unwinding device as power source, or can adopt manual power source, and the device preferably adopts electric unwinding device. More specifically, float assembly 2 floats on the liquid surface in closed pool 1, is provided with buoyancy by sewage, and the actual working length of the both ends of float assembly 2 in closed pool 1 can be adjusted by traction assembly 3, so as to control the actual working position of float assembly 2 in closed pool 1; float assembly 2 carries mobile stirring assembly 5 to move while stirring the sludge in closed pool 1, and the stirred sewage is guided into outer discharge groove 8 through drainage pump 6, is stored in siphon tank 13 through siphon pump 14, siphon tank 13 and negative pressure pipe 12, and is discharged through the pipeline. Therefore, the device can complete the dredging operation under the closed condition, reduces the labor intensity of heavy machinery for cleaning the sludge in the pool, reduces the safety risk brought by the operation in the closed space, and is favorable for realizing the fast, efficient and safe operation effect.

[0021] In order to guarantee the utilization of the buoy assembly 2, the buoy assembly 2 provided by the utility model comprises two stainless steel thin-wall cylinders 21, the stainless steel thin-wall cylinders 21 are provided with groove plates 22 and flat plates 23, the groove plates 22 and the flat plates 23 are welded with the two stainless steel thin-wall cylinders 21 respectively, the side surface of the groove plate 22 is provided with a jack hole matched with the flat plate 23, the groove plate 22 and the flat plate 23 are provided with a plurality of groups of connecting holes 24 corresponding to the upper and lower and penetrating, the connecting holes 24 are connected through bolts, the top of the stainless steel thin-wall cylinder 21 is provided with a plurality of pairs of hoisting rings 25 distributed at intervals in front and back, the traction rope 31 comprises a main rope 311, the main rope 311 is provided with four branches 312 matched with four pairs of hoisting rings 25 respectively, the branches 312 are provided with limiting heads 32 distributed on both sides of the hoisting ring 25 in pairs, the limiting heads 32 are used for adjusting the relative position relationship between the hoisting ring 25 and the branch 312, so as to avoid the hoisting ring 25 and the branch 312 from appearing relatively large sliding. The two stainless steel thin-wall cylinders 21 have certain structural strength and corrosion resistance in addition to providing certain draught. The two stainless steel thin-wall cylinders 21 can be established in parallel through the groove plate 22, the flat plate 23 and the bolt, so as to drive the mounting frame 4, the mobile stirring assembly 5 and the liquid discharge pump 6 as a buoyancy main body. The traction rope 31 is led out from different positions of the two stainless steel thin-wall cylinders 21 in a four-in-one way to synthesize a pull force, so as to guarantee the traction balance effect of the traction assembly 3 on the buoy assembly 2.

[0022] In order to improve the synchronization performance of the mobile stirring assembly 5 and the liquid discharge pump 6 floating with the stainless steel thin-wall cylinder 21, the mounting frame 4 provided by the utility model is arranged in pairs at the bottom of the two stainless steel thin-wall cylinders 21, the mounting frame 4 comprises a first inclined section 41, the first inclined section 41 extends towards the symmetry center surface of the two stainless steel thin-wall cylinders 21 and the end thereof is provided with a first vertical section 42, the bottom of the first vertical section 42 is provided with a horizontal section 43, one side of the horizontal section 43 deviating from the symmetry center surface of the two stainless steel thin-wall cylinders 21 is provided with a second inclined section 44, the top of the second inclined section 44 is provided with a second vertical section 45, the first inclined section 41, the first vertical section 42, the horizontal section 43, the second inclined section 44 and the second vertical section 45 are all provided with grid holes 46, and the horizontal section 43 is provided with a long hole 47 for the stirring center of the mobile stirring assembly 5 to move. The grid holes 46 of the first vertical sections 42 of the two mounting frames 4 can be penetrated by the bolts for connection, so as to further improve the synchronization of the two stainless steel thin-wall cylinders 21; the grid holes 46 on the horizontal section 43 provide mounting hole positions for the mobile stirring assembly 5 and the liquid discharge pump 6, and can be adjusted forward and backward according to the overall gravity distribution of the buoy assembly 2, the mobile stirring assembly 5 and the liquid discharge pump 6.

[0023] Further, the mobile stirring assembly 5 provided by the utility model comprises a stirring shaft and a stirring blade, the stirring shaft is provided with a positioning plate 15, the positioning plate 15 is provided with a positioning hole corresponding to the grid hole 46, and the positioning hole is connected with the grid hole 46 through a bolt. Similarly with the mobile stirring assembly 5, the liquid discharge pump 6 can also be installed on the mounting frame 4 in the mode of the positioning plate 15. By selecting the grid hole 46 at different positions to match the positioning plate 15, the position of the mobile stirring assembly 5 and the liquid discharge pump 6 can be adjusted. It should be noted that the mobile stirring assembly 5 can adopt a direct power-free mode, and corresponding stirring actions are generated by the movement of the float assembly 2 and the friction with the sludge, and a sewage submersible motor can also be used at the shaft end position as a driving source, so that the efficiency of stirring the sludge can be improved. The stirring blades of the two sets of mobile stirring assemblies 5 below the two sets of mounting frames 4 are axially staggered and distributed, and relatively rotate, so that the overall turning torque of the device is not greatly increased, the sludge under the liquid can be effectively dispersed and mixed, and the dispersed sewage can be continuously discharged by the liquid discharge pump 6.

[0024] The above is only a preferred embodiment of the utility model, and does not limit other forms of the utility model, and any skilled person in the art can change or modify the above disclosed technical content into equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the utility model still belong to the protection scope of the technical scheme of the utility model.

Claims

1. A device for cleaning sludge under liquid in a closed cell, characterized in that, The utility model provides a kind of floating pontoon assembly, the two ends of the floating pontoon assembly are provided with traction assembly, the traction assembly includes traction rope connected with floating pontoon assembly, the bottom of the floating pontoon assembly is provided with mounting bracket, mobile stirring assembly and drainage pump are provided on the mounting bracket, the drainage pump includes inlet and outlet, the outlet of the drainage pump is provided with hose, the hose is provided with outer discharge groove at its end away from the drainage pump, the outer discharge groove is arranged inside the closed pool, the filter screen is arranged in the outer discharge groove, the fixed stirring assembly is arranged in the filter screen, the shaft end of the fixed stirring assembly extends towards the top of the closed pool and is provided with speed reducer motor outside the closed pool and is drivingly connected with the shaft end, the inside of the filter screen is provided with negative pressure pipe, the negative pressure pipe extends from the inside of the outer discharge groove to the outside of the closed pool and is connected with siphon tank arranged outside the closed pool, the siphon tank is connected with siphon pump by pipeline.

2. A device for in-situ sludge cleaning under submerged liquid in a closed tank as claimed in claim 1, wherein The floating pontoon assembly includes two stainless steel thin-walled cylinders, groove plates and flat plates are arranged between the two stainless steel thin-walled cylinders, the groove plates and the flat plates are respectively welded with the two stainless steel thin-walled cylinders, the side surface of the groove plate is provided with a flat plate insertion hole for insertion fitting, the groove plates and the flat plates are provided with a plurality of sets of connection holes penetrating up and down in correspondence, the connection holes are connected by bolts, the top of the stainless steel thin-walled cylinder is provided with a plurality of pairs of front and rear spaced distribution lifting rings, the traction rope includes a main rope, the main rope is provided with four branches which are respectively inserted into four pairs of the lifting rings, and a pair of limiting heads are arranged on the branches and distributed on both sides of the lifting rings.

3. A device for in-situ sludge cleaning under submerged liquid in a closed tank as claimed in claim 2 wherein, The mounting bracket is arranged in pairs at the bottom of the two stainless steel thin-walled cylinders, the mounting bracket includes a first inclined section, the first inclined section extends towards the symmetry center plane of the two stainless steel thin-walled cylinders, and the end of the first inclined section is provided with a first vertical section, the bottom of the first vertical section is provided with a horizontal section, one side of the horizontal section deviating from the symmetry center plane of the two stainless steel thin-walled cylinders is provided with a second inclined section, the top of the second inclined section is provided with a second vertical section, and the first inclined section, the first vertical section, the horizontal section, the second inclined section and the second vertical section are all provided with lattice holes, and the horizontal section is provided with a long hole for the stirring center of the mobile stirring assembly to move.

4. A device for closed cell in-situ sludge cleaning under liquid as claimed in claim 3 wherein, The mobile stirring assembly includes a stirring shaft and stirring blades, the stirring shaft is provided with a positioning plate, the positioning plate is provided with positioning holes corresponding to the lattice holes, and the positioning holes are connected with the lattice holes by bolts.

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