Filter device for sewage treatment of hydropower station
Technical Field
The utility model relates to the technical field of filtering devices, in particular to a filtering device for sewage treatment of a hydropower station.
Background
The hydropower station is mostly built on rivers, and river water carries a large amount of sediment and suspended matters, wherein the sediment and suspended matters can enter a system of the hydropower station along with water flow in the water taking process, and can become part of sewage if no effective pretreatment measures are taken at a water intake;
The floats in the river can be brought into the water inlet of the hydropower station by water flow, if the pretreatment facilities such as the trash rack are maintained improperly or during heavy rain and flood, a large amount of floats can break the trash rack and enter the water system in the hydropower station and finally be mixed into sewage, at the moment, the sewage and garbage are filtered and removed, and common filtering methods are a grid and a sand filter,
The grating is generally composed of a group of parallel metal bars or screens, and the principle is that larger solid suspended matters in sewage, such as branches, leaves, large garbage and the like, are blocked outside the grating by physical interception, the pitch of the bars of the coarse grating is larger and can be generally between 10 and 50mm, large sundries are mainly intercepted, the pitch of the bars of the fine grating is smaller and is mostly between 1 and 10mm, and relatively smaller suspended matters can be intercepted;
The sewage flows through the sand layer from top to bottom, and suspended particles in the sewage are adsorbed and trapped by the sand grains;
in a gravity type sand filter, sewage slowly passes through a sand filtering layer under the action of gravity, and smaller particles are trapped in pores among sand grains, so that the sewage is filtered and purified.
In the prior art, the patent publication number is CN215232490U, a hydropower station sewage filtering device is disclosed, the hydropower station sewage filtering device comprises a filtering box, a water inlet pipe is arranged on one side of the filtering box, a water feeding pump is arranged at one end of the water inlet pipe, three scraping plates are arranged in the filtering box, connecting rods are arranged on two sides of the top of each scraping plate, the top ends of the connecting rods are fixedly connected with the bottom of a lifting plate, an electric telescopic rod is arranged in the middle of the top end of each lifting plate, and supporting frames are arranged on two sides of each electric telescopic rod.
The prior art scheme has the following defects that the filter device pushes the lifting plate to move downwards through the piston rod of the electric telescopic rod to scrape garbage from the grid, but only the garbage can be scraped to the surface of the grid, if the sludge in water enters the filter device along with the water inlet, then the filter screen is blocked, the filtering efficiency is lowered due to the fact that the filter screen is blocked for a long time, the filter device cannot remove the blocked sludge, manual removal is needed, and the use efficiency of the filter device is greatly reduced.
Disclosure of utility model
In order to solve the problems in the prior art, the utility model aims to provide a filtering device for sewage treatment of a hydropower station, which has the advantage of automatically replacing a filter screen, and solves the problems that garbage is scraped from a grid by pushing a lifting plate to move downwards through a piston rod of an electric telescopic rod, but the garbage can only be scraped to the surface of the grid, if sludge in water enters the filtering device along with a water inlet, then the filter screen is blocked, the filtering efficiency is reduced due to long-time blocking of the sludge, the blocked sludge cannot be removed by the filtering device, manual removal is needed, and the use efficiency of the filtering device is greatly reduced.
In order to achieve the purpose, the technical scheme is that the filtering device for hydropower station sewage treatment comprises a filtering box, wherein the inner wall of the filtering box is fixedly connected with a filtering plate, the right side of the front side of the top of the filtering box is fixedly connected with a water purifying agent port, the right side of the rear side of the top of the filtering box is fixedly connected with a repairing port, the bottom of the front side of the filtering box is fixedly connected with a water pump, the output end of the water pump is communicated with a water pipe, one side of the water pipe, far away from the water pump, penetrates through to the front side of the top of the filtering box, both sides of the bottom of the filtering box are fixedly connected with L-shaped supporting plates, the top of the front L-shaped supporting plate is fixedly connected to the bottom of the water pump, the left side of the bottom of the filtering box is fixedly connected with a water outlet, and the top of the right side of the filtering box is fixedly connected with a rotating mechanism.
As the preferable choice of the utility model, the said rotary mechanism includes the electronic jar, the surface of the said electronic jar is fixedly connected with the right side of the front side of the top of the filter box, the said output end of the electronic jar fixedly connects with slide block, the surface activity of the left side of the said slide block connects with the slideway, the left side of the said slideway fixedly connects with the right side at the top of the filter box, the right side of the bottom of the said slide block fixedly connects with the toothed plate, the said outside of the toothed plate has gears fixedly connected with rotary cylinder in the centre of the said gear, the said rotary cylinder runs through to the inner wall of the filter box and fixedly connected with rotary plate, the said rotary plate top and bottom all have filter screens movably connected, the right side at the top of the said filter box has offered and changed the mouth.
As the preferable mode of the utility model, the right side of the rotary cylinder is fixedly connected with a limit sleeve, and the limit sleeve is positioned at the top of the water pump.
As preferable in the utility model, a pull ring is fixedly connected to the right side of the replacement port, and the pull ring is positioned at the top of the gear.
As preferable in the utility model, the top of the L-shaped supporting plate is fixedly connected with triangular blocks, the number of the triangular blocks is three, and the three triangular blocks are distributed equidistantly.
As preferable in the utility model, the front side of the electric cylinder is fixedly connected with a fixed block, and the bottom and the left side of the fixed block are fixedly connected with the front side of the top of the filter box.
As the preferable mode of the utility model, the surface of the water pipe is fixedly connected with a fixing sleeve, and the rear side of the fixing sleeve is fixedly connected with the front side of the top of the filter box.
Compared with the prior art, the utility model has the following beneficial effects:
1. According to the utility model, the electric cylinder is started, the electric cylinder drives the sliding block to move to the rear side on the slideway, the sliding block drives the outer toothed plate to move to one side far away from the water pump, when the toothed plate contacts the gear, the toothed plate drives the inner rotary cylinder to rotate, the rotary cylinder drives the front side of the rotary plate to rotate to one side close to the electric cylinder, the rear side of the rotary plate rotates to one side far away from the electric cylinder, when the clean filter screen at the top of the rotary plate replaces the filter screen blocked at the bottom, the electric cylinder stops moving, the replacement opening is opened to remove the blocked filter screen, the clean filter screen is replaced, the filter screen is conveniently replaced by the next rotary mechanism, the filter device can directly replace the filter screen through the rotary mechanism, if sludge in water enters the filter device along with the water inlet, then the filter screen is blocked, the long-time blocking of the sludge can lead to slow filtering efficiency, the filter device can directly replace the blocked filter screen without manual cleaning, and the use efficiency and convenience of the filter device are greatly improved.
2. According to the utility model, the filter screen in the filter box can be automatically replaced by arranging the rotating mechanism, so that the phenomenon that the filter box cannot filter water due to the fact that the filter screen is internally polluted by silt is avoided, and the use convenience of the filter box is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a perspective cross-sectional view of the filter box of the present utility model;
FIG. 3 is a perspective view of the water purifying agent inlet of the present utility model;
FIG. 4 is a perspective view of a filter screen of the present utility model;
FIG. 5 is a perspective view of a rotating plate according to the present utility model;
fig. 6 is a perspective view of a gear of the present utility model.
The water purifier comprises a filtering tank 1, a filtering plate 2, a filtering plate 3, a water purifying agent port 4, a repairing port 5, a water pump 6, a water pipe 7, an L-shaped supporting plate 8, a water outlet 9, a rotating mechanism 91, an electric cylinder 92, a sliding block 93, a slideway 94, a toothed plate 95, a gear 96, a rotating cylinder 97, a rotating plate 98, a filtering net 99, a replacing port 10, a limiting sleeve 11, a pull ring 12, a triangular block 13, a fixed block 14 and a fixed sleeve.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 6, the filtering device for sewage treatment of a hydropower station provided by the utility model comprises a filtering box 1, wherein the inner wall of the filtering box 1 is fixedly connected with a filtering plate 2, the right side of the front side of the top of the filtering box 1 is fixedly connected with a water purifying agent port 3, the right side of the rear side of the top of the filtering box 1 is fixedly connected with a repairing port 4, the bottom of the front side of the filtering box 1 is fixedly connected with a water pump 5, the output end of the water pump 5 is communicated with a water pipe 6, one side of the water pipe 6 far away from the water pump 5 penetrates to the front side of the top of the filtering box 1, both sides of the bottom of the filtering box 1 are fixedly connected with an L-shaped supporting plate 7, the top of the front side L-shaped supporting plate 7 is fixedly connected to the bottom of the water pump 5, the left side of the bottom of the filtering box 1 is fixedly connected with a water outlet 8, and the top of the right side of the filtering box 1 is fixedly connected with a rotating mechanism 9.
Referring to fig. 5, rotary mechanism 9 includes electric cylinder 91, electric cylinder 91's fixed surface connects the right side at the front side of rose box 1 top, electric cylinder 91's output fixedly connected with slider 92, slider 92 left surface swing joint has slide 93, slide 93's left side fixedly connected with is on the right side at rose box 1 top, slider 92 bottom's right side fixedly connected with pinion rack 94, pinion rack 94's outside is provided with the center fixedly connected with rotatory cylinder 96 of gear 95, rotatory cylinder 96 runs through to rose box 1's inner wall and fixedly connected with rotor plate 97, equal swing joint in rotor plate 97 top and bottom has filter screen 98, change mouth 99 has been seted up on the right side at rose box 1 top.
As a technical optimization scheme of the utility model, the filter screen 98 in the filter box 1 can be automatically replaced by arranging the rotating mechanism 9, so that the filter screen 98 is prevented from being polluted by sludge impurities, the filter box 1 cannot filter water, and the use convenience of the filter box 1 is improved.
Referring to fig. 6, a stop collar 10 is fixedly connected to the right side of the rotary cylinder 96, and the stop collar 10 is positioned at the top of the water pump 5.
As a technical optimization scheme of the utility model, the limiting sleeve 10 is arranged to limit and fix the rotary cylinder 96, so that the long-term rotary motion of the rotary cylinder 96 is avoided, the gap between the rotary cylinder 96 and the gear 95 is avoided, and the safety and the service life of the rotary cylinder 96 are improved.
Referring to fig. 3, a pull ring 11 is fixedly connected to the right side of the exchange port 99, and the pull ring 11 is positioned on the top of the gear 95.
As a technical optimization scheme of the utility model, through the arrangement of the pull ring 11, the replacement port 99 can be lifted and detached, so that the problem that the filter screen 98 cannot be replaced in time due to inconvenient operation when the filter screen 98 needs to be replaced is avoided, and the convenience of the replacement port 99 is improved.
Referring to fig. 1, triangular blocks 12 are fixedly connected to the top of the l-shaped support plate 7, the number of the triangular blocks 12 is three, and the three triangular blocks 12 are equidistantly distributed.
As a technical optimization scheme of the utility model, the triangular blocks 12 are arranged to stably reinforce the L-shaped supporting plate 7, so that the phenomenon that the L-shaped supporting plate 7 is bent and deformed due to excessive weight at the top of the L-shaped supporting plate 7 is avoided, the filtering device is unstable, and the service life of the L-shaped supporting plate 7 is prolonged.
Referring to fig. 1, a fixing block 13 is fixedly coupled to a front side of the electric cylinder 91, and a bottom and a left side of the fixing block 13 are fixedly coupled to a front side of a top of the filtering case 1.
As a technical optimization scheme of the utility model, the electric cylinder 91 can be stably reinforced by arranging the fixing block 13, so that the electric cylinder 91 is prevented from moving for a long time and is displaced on the filter box 1 due to the fact that the front side of the electric cylinder 91 is not fixed, and the safety and stability of the electric cylinder 91 are improved.
Referring to fig. 3, a fixing sleeve 14 is fixedly connected to the surface of the water pipe 6, and the rear side of the fixing sleeve 14 is fixedly connected to the front side of the top of the filter tank 1.
As a technical optimization scheme of the utility model, the fixing sleeve 14 is arranged to fix the water pipe 6, so that the water pipe 6 is prevented from transporting water for a long time, and is a place where the water pipe 6 is not fixed in a suspended state, so that gaps are generated between the water pipe 6 and the filter box 1, and the stability of the water pipe 6 is improved.
When the filter box 1 is used, after a water source is filtered, an internal filter screen 98 is blocked, and no method is needed to clean, the electric cylinder 91 is started, the electric cylinder 91 drives the sliding block 92 to move backward on the slideway 93, the sliding block 92 drives the outer toothed plate 94 to move to the side far away from the water pump 5, when the toothed plate 94 contacts the gear 95, the toothed plate 94 pushes the gear 95 to rotate, the gear 95 drives the internal rotary cylinder 96 to rotate, the rotary cylinder 96 drives the front side of the rotary plate 97 to rotate to the side close to the electric cylinder 91, the rear side rotates to the side far away from the electric cylinder 91, when the filter screen 98 blocked at the bottom of the rotary plate 97 is replaced by the clean filter screen 98, the electric cylinder 91 stops moving, the replacement opening 99 is opened to remove the blocked filter screen 98, and the next time the rotary mechanism 9 is convenient to replace the filter screen 98.
In summary, the filtering device for the sewage treatment of the hydropower station solves the problems that the filtering device pushes the lifting plate to move downwards through the piston rod of the electric telescopic rod to scrape garbage off the grid, but only the garbage can be scraped to the surface of the grid, if the sludge in water enters the filtering device along with the water inlet and then blocks the filter screen, the filtering efficiency is reduced due to long-time blocking of the sludge, the filtering device cannot clear the blocked sludge, manual cleaning is needed, and the using efficiency of the filtering device is greatly reduced by the aid of the filtering device.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.