CN220665126U

CN220665126U - Sewage filtering device

Info

Publication number: CN220665126U
Application number: CN202322357343.0U
Authority: CN
Inventors: 杨翠萍; 赵伟
Original assignee: Qingdao Ecological Environment Bureau Licang Branch Ecological Environment Monitoring Center
Current assignee: Qingdao Ecological Environment Bureau Licang Branch Ecological Environment Monitoring Center
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-03-26
Anticipated expiration: 2033-08-31

Abstract

The utility model discloses a sewage filtering device, and particularly relates to the technical field of sewage treatment. A sewage filtration device comprising: the water inlet pipe, the top intercommunication of inlet tube and pretreatment unit, pretreatment unit's right side has arranged first connecting pipe, mixing mechanism, second connecting pipe, precipitation mechanism in proper order, pretreatment unit, mixing mechanism, precipitation mechanism are all located on working floor through the bottom sprag leg, first connecting pipe, second connecting pipe are connected with the suction pump, the both ends of first connecting pipe are connected with pretreatment unit, mixing mechanism respectively. The utility model provides a sewage filtering device, which can finely carry out graded filtration on sewage, so that the sewage filtering effect is better.

Description

Sewage filtering device

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a sewage filtering device.

Background

In the environment-friendly engineering, sewage treatment is an important engineering, and the sewage treatment is a process of removing harmful substances which are unnecessary for production and life in water by physical, chemical and biological means, so that filtered water is discharged under the discharge condition which accords with the standard, and the condition of discharge pollution caused by the lack of careful treatment is avoided.

In the utility model patent with the patent publication number of CN219314604U, an environment-friendly sewage filtering device is provided, impurities in sewage are filtered through a filtering hopper, odor, color and the like in the sewage are adsorbed through an active carbon layer, then a medicament is added through a feed inlet, a motor drives a helical blade to rotate, the medicament and the sewage are fully mixed in a lower shell, the residual impurities are separated, and finally a stop block is controlled to move through a hydraulic cylinder, so that the medicament and the sewage are respectively poured out;

although the above-mentioned means can mix sewage and a chemical to perform a pre-precipitation function, there are also: the filtration at the stage of intaking is not careful enough, only relies on filter pulp, active carbon layer and can not be with impurity preliminary treatment, and then makes follow-up mixing, sedimentation time extension, separate formula emission promptly, still can lead to filtering the impurity of doped part in the water, makes the poor problem of whole filter effect.

Accordingly, there is a need to provide a sewage filtering device that solves the above-mentioned technical problems.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects in the prior art, the utility model provides the sewage filtering device which can finely carry out graded filtration on sewage, so that the sewage filtering effect is better.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a sewage filter equipment for among environmental protection engineering includes: a water inlet pipe;

the utility model discloses a pretreatment device, including pretreatment mechanism, mixing mechanism, sedimentation mechanism, inlet tube, pretreatment mechanism, first connecting tube, mixing mechanism, second connecting tube, sedimentation mechanism have been arranged in proper order on the right side of pretreatment mechanism, mixing mechanism, sedimentation mechanism are all located subaerial through the bottom sprag leg, first connecting tube, second connecting tube are connected with the suction pump, the both ends of first connecting tube are connected with pretreatment mechanism, mixing mechanism respectively, the both ends of second connecting tube communicate with mixing mechanism, sedimentation mechanism respectively, sedimentation mechanism's top is equipped with the drain pipe with it intercommunication, drain pipe and outside water pump intercommunication.

In one embodiment, pretreatment mechanism comprises processing case, roof, mounting groove, baffle, draw-in groove, spacing filter screen, first edulcoration filter screen, second edulcoration filter screen, mounting panel, the processing case is whole to be hollow cylinder structure, and the access door has been seted up to its bottom, and its top is equipped with the roof with the inlet tube intercommunication, the interval is equipped with two mounting grooves on the peripheral face of processing case left side upper side, the inside of processing case is equipped with the baffle, the top of baffle is the rectangular plate, and the rectangular plate below is the arc towards the left side inner wall of processing case and extends, and extension end bottom is equipped with spacing filter screen, spacing filter screen extends towards the right side wall of processing case until rather than the sealed butt of inner wall, the arc section of baffle is handled at a distance from and is equipped with two draw-in grooves, the draw-in groove is the tangent line setting with the mounting groove, first edulcoration filter screen, second edulcoration filter screen get into from the mounting groove respectively, until its insertion end and the butt of draw-in groove inner wall face, wherein first edulcoration filter screen is the slope and inserts downwards, and the second edulcoration filter screen is nearly horizontal angle, the filter screen that inserts to be close to the horizontal filter screen, the outer side is equipped with the equal both sides of the mounting panel through the outer peripheral face of the processing case.

In one embodiment, the inside of first edulcoration filter screen is provided with a plurality of hooks side by side, and the tip of crotch is through the processing of seting down, the crotch is the downflow route that sets up towards the roof slope, makes its gib head just to sewage, the lateral surface of mounting panel all is equipped with the handle, and the setting of handle is convenient to take when the clearance.

In one embodiment, the height of the mounting plate is larger than the heights of the first impurity removing filter screen and the second impurity removing filter screen, and the mounting plate is tightly connected with the mounting groove by virtue of a sealing gasket.

In one embodiment, the mixing mechanism comprises mixing box, drainage channel, motor, pivot, stirring vane, spouting the medicine box, the left side end and the first connecting pipe intercommunication of mixing box set up, the interior bottom surface of mixing box is the drainage channel, and the left side of drainage channel is the inclined plane, the top of mixing box is equipped with the motor, the motor is connected with the pivot, and the pivot runs through into inside the mixing box, and the outer peripheral face of extension end is equipped with stirring vane, the left side top surface of mixing box is the face of upwards sloping, spout the main part of medicine box and be located mixing box outside, spout the medicine mouth and be located mixing box inside to become the slope setting, be tangent line spraying path towards the drainage channel, spout the built-in automatically controlled valve of medicine box.

In one embodiment, the stirring blade is of an arc-shaped structure, the arc-shaped surface faces the second connecting pipe, a space is reserved between the bottom of the stirring blade and the drainage channel, and the stirring blade is coated with corrosion-resistant paint.

In one embodiment, the sedimentation mechanism comprises a sedimentation tank, a filter screen plate, a mounting pipe, a fixed pipe, a hose, a balance weight pipe, a water pumping pipe and a floating ring, wherein the filter screen plate is arranged in the sedimentation tank and positioned above the second connecting pipe, a sedimentation space is formed between the filter screen plate and the bottom surface of the sedimentation tank, the two sides of the filter screen plate are filter screens, the top of the sedimentation tank is provided with the mounting pipe communicated with the filter screen plate, the mounting pipe is provided with an internal thread, the fixed pipe is meshed with the mounting pipe through the external thread, the top of the fixed pipe is connected with the water pumping pipe, the bottom of the hose is provided with the hose, the length adapted to the sedimentation tank is reserved by the hose, the bottom of the hose is connected with the balance weight pipe, the outer circumferential surface of the balance weight pipe is provided with the water pumping pipe in a ring array, the inner bottom of the balance weight pipe is a balancing weight, and the bottom of the balance weight pipe is provided with the floating ring.

Compared with the prior art, the utility model has the following beneficial effects:

(1) The utility model hooks large-scale impurities through the first impurity removing filter screen, and the second impurity removing filter screen is used for secondarily isolating visual impurities in the sewage, so that the subsequent sewage rises through the limiting filter screen to reach the extraction height of the first connecting pipe, and the large-scale impurities stay in the treatment box through the blocking of the limiting filter screen, the first impurity removing filter screen and the second impurity removing filter screen;

(2) When the filter screen is required to be replaced and cleaned, the filter screen does not need to be shut down, the first impurity removal filter screen is firstly removed from the bolt fixation and is pulled away, so that the second impurity removal filter screen can continuously block impurities;

(3) The pumping pipe is matched with the counterweight pipe by gravity and buoyancy through the floating ring, and is always positioned below the water surface, so that the impurity content in the pumped filtered water is reduced, and the overall filtering effect is better.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a front elevational detail of the internal mechanism of the present utility model;

FIG. 3 is a detailed view of the pretreatment mechanism of the present utility model;

FIG. 4 is a detailed view of the screen arrangement of the pretreatment mechanism of the present utility model;

FIG. 5 is a detailed view of the interior of the mixing mechanism of the present utility model;

FIG. 6 is a schematic diagram of the structure of the precipitation mechanism after being disassembled.

Wherein, the names corresponding to the reference numerals are: the pretreatment mechanism 2, the treatment tank 21, the top plate 22, the installation groove 23, the partition plate 24, the clamping groove 25, the limit filter 26, the first impurity removal filter 27, the hook 271, the second impurity removal filter 28, the installation plate 29, the handle 291, the first connecting pipe 3, the mixing mechanism 4, the mixing tank 41, the drainage channel 42, the motor 43, the rotation shaft 44, the stirring blade 45, the spraying box 46, the second connecting pipe 5, the sedimentation mechanism 6, the sedimentation tank 61, the filter screen plate 62, the installation pipe 63, the fixing pipe 64, the hose 65, the weight pipe 66, the water suction pipe 67, the floating ring 68, and the drainage pipe 7.

Detailed Description

The utility model will be further illustrated by the following description and examples, which include but are not limited to the following examples.

As shown in fig. 1-2, the sewage filtering device for environmental engineering provided by the utility model comprises: a water inlet pipe 1, a pretreatment mechanism 2, a first connecting pipe 3, a mixing mechanism 4, a second connecting pipe 5, a sedimentation mechanism 6 and a water outlet pipe 7;

as shown in fig. 1-2, the water inlet pipe 1 is communicated with the top of the pretreatment mechanism 2, untreated sewage is led into the pretreatment mechanism 2 through the water inlet pipe 1, large-scale impurities in the sewage are primarily filtered by the pretreatment mechanism 2, a first connecting pipe 3, a mixing mechanism 4, a second connecting pipe 5 and a sedimentation mechanism 6 are sequentially arranged on the right side of the pretreatment mechanism 2, the mixing mechanism 4 and the sedimentation mechanism 6 are all located on the working floor through bottom supporting legs, the first connecting pipe 3 and the second connecting pipe 5 are connected with a water suction pump, two ends of the first connecting pipe 3 are respectively connected with the pretreatment mechanism 2 and the mixing mechanism 4, two ends of the second connecting pipe 5 are respectively communicated with the mixing mechanism 4 and the sedimentation mechanism 6, the mixing mechanism is used for adding medicaments into the primarily filtered sewage and carrying out mixed treatment, the mixed sewage enters the sedimentation mechanism 6 through the second connecting pipe 5 to be sedimentated, the top of the sedimentation mechanism 6 is provided with a water drain pipe 7 communicated with the external water suction mechanism for pumping and discharging the sedimentated filtered water.

Preferably, in one embodiment, as shown in fig. 1-3, the pretreatment mechanism 2 is composed of a treatment box 21, a top plate 22, a mounting groove 23, a partition plate 24, a clamping groove 25, a limit filter screen 26, a first impurity removal filter screen 27, a second impurity removal filter screen 28 and a mounting plate 29, the whole treatment box 21 is of a hollow cylindrical structure, an access door (not shown in the figure) is provided at the bottom of the treatment box 21, the top of the treatment box is provided with the top plate 2 communicated with the water inlet pipe 1, two mounting grooves 23 are spaced on the peripheral surface above the left side of the treatment box 21, the partition plate 24 is arranged in the treatment box 21, the top of the partition plate 24 is a rectangular plate, the lower part of the rectangular plate extends towards the left inner wall of the treatment box 21 in an arc shape, the bottom of the extending end is provided with the limit filter screen 26 extends towards the right side wall surface of the treatment box 21 until being in sealing abutting joint with the inner wall surface of the limit filter screen 26, the arc section of the baffle plate 24 is provided with two clamping grooves 25 at intervals, the clamping grooves 25 and the mounting grooves 26 are arranged in a tangential line corresponding way, the first impurity removing filter screen 27 and the second impurity removing filter screen 28 respectively enter from the mounting grooves 23 until the insertion ends of the first impurity removing filter screen 27 are abutted against the inner wall surface of the clamping grooves 25, wherein the first impurity removing filter screen 27 is obliquely downwards inserted, the second impurity removing filter screen 28 is inserted at an angle close to the horizontal, the outer side ends of the first impurity removing filter screen 27 and the second impurity removing filter screen 28 are respectively provided with a mounting plate 29, two sides of the mounting plates 29 are fixedly connected with the outer peripheral surface of the treatment box 21 through bolts, after sewage enters the treatment box 21 from the top plate 22, the sewage flows down from the inner wall of the treatment box 21 through the baffle plate 24, large impurities are hooked through the first impurity removing filter screen 27, visual impurities in the sewage are secondarily isolated through the second impurity removing filter screen 28, the subsequent sewage rises through the limiting filter screen 26 to reach the extraction height of the first connecting pipe 3, and large impurities are blocked by the limiting filter screen 26, the first impurity removing filter screen 27 and the second impurity removing filter screen 28, stay in the treatment box 21, and do not need to stop the machine when the filter screens need to be replaced and cleaned, and firstly the first impurity removing filter screen 27 is removed from the bolt for extraction, so that the second impurity removing filter screen 28 continues to block the impurities.

Preferably, in one embodiment, as shown in fig. 4, the first impurity removing filter 27 is provided with a plurality of hooks 271 side by side, the tips of the hooks 271 are subjected to a pause process, so as to prevent the personnel from being injured accidentally during cleaning, the hooks 271 are inclined towards the top plate 22, so that the hook heads of the hooks are opposite to the sewage downflow path, the outer side of the mounting plate 29 is provided with handles 291, and the handles 291 are convenient to take during cleaning.

Preferably, in one embodiment, as shown in fig. 3-4, the height of the mounting plate 29 is greater than the heights of the first impurity removing filter screen 27 and the second impurity removing filter screen 28, and the mounting plate 29 is tightly connected with the mounting groove 23 by means of a sealing gasket, so as to prevent the insufficient inner height of the mounting groove 23 during cleaning, which results in unsmooth extraction of the first impurity removing filter screen 27 and the second impurity removing filter screen 28.

Preferably, in one embodiment, as shown in fig. 1, fig. 2 and fig. 5, the mixing mechanism 4 is composed of a mixing box 41, a drain channel 42, a motor 43, a rotating shaft 44, a stirring blade 45 and a medicine spraying box 46, the left side end of the mixing box 41 is communicated with the first connecting pipe 3, the inner bottom surface of the mixing box 41 is the drain channel 42, the left side of the drain channel 42 is an inclined surface, so that sewage better flows into the mixing box, the top of the mixing box 41 is provided with the motor 43, the motor 43 is connected with the rotating shaft 44, the rotating shaft 44 penetrates into the mixing box 41, the outer peripheral surface of the extending end is provided with the stirring blade 45, the left side top surface of the mixing box 41 is an upward inclined surface, the main body of the medicine spraying box 46 is located outside the mixing box 41, the medicine spraying opening is located inside the mixing box 41 and is in an inclined arrangement, a tangential spraying path is formed towards the drain channel 42, the first connecting pipe 3 discharges the sewage after preliminary treatment into the inside the mixing box 41, so that the medicine spraying box 46 sprays the sewage at regular time, the motor 43 drives the stirring blade 45 to stir the sewage, and the medicine is pumped into the second connecting pipe 5 after the medicine is mixed with the second connecting pipe 6, and the medicine is pumped into the first connecting pipe 5 through the stirring mechanism.

Preferably, in one embodiment, as shown in fig. 5, the stirring blade 45 is integrally in an arc structure, the arc surface is disposed towards the second connecting pipe 5, a space is left between the bottom of the stirring blade 45 and the drainage channel 42, and the stirring blade 45 is coated with a corrosion-resistant coating, so that the stirring blade 45 is prevented from contacting with sewage and a medicament for a long time, and corrosion damage is caused.

Preferably, in one embodiment, as shown in fig. 1-6, the sedimentation mechanism 6 is composed of a sedimentation tank 61, a filter screen plate 62, a mounting pipe 63, a fixing pipe 64, a hose 65, a counterweight pipe 66, a water pumping pipe 67 and a floating ring 68, the filter screen plate 62 is arranged inside the sedimentation tank 61, the filter screen plate 62 is located above the second connecting pipe 5, a sedimentation space is formed between the filter screen plate 62 and the bottom surface of the sedimentation tank 61, two sides of the filter screen plate 62 are filter screens, filtered water rises upwards from the filter screens, the top of the sedimentation tank 61 is provided with the mounting pipe 63 communicated with the filter screen plate, the mounting pipe 63 is provided with internal threads, the fixing pipe 64 is in meshed connection with the mounting pipe 63 through the external threads thereof, the top of the fixing pipe 64 is connected with the water draining pipe 7, the bottom of the fixing pipe is provided with the hose 65, the hose 65 is reserved for a length matched with the sedimentation tank 61, the bottom of the hose 65 is connected with the counterweight pipe 66, the outer peripheral surface of the counterweight pipe 66 is provided with the water pumping pipe 67 in an annular array, the inner bottom of the counterweight pipe 66 is a balancing weight, the bottom of the counterweight pipe 66 is the balancing weight, the bottom of the filter pipe 66 is provided with the water pumping pipe 68 is provided with the water draining pipe 68, and the water filtering water is kept in the water draining pipe 68 is kept under the water level by the water draining pipe 7, and the water draining pipe is in the water draining water flowing from the water draining pipe 67, and the water draining pipe is in the water draining water flowing through the water draining pipe 67, and the water draining pipe is in the water draining pipe and the water through the water draining pipe 68.

Working principle: the device is also provided with a PLC controller, the PLC controller is electrically connected with an electric control valve of the spraying box 46, when the device is used, the water pump and the motor 43 are started manually, the water pump and the motor 43 are operated, meanwhile, the PLC controller is started, untreated sewage is led into the pretreatment mechanism 2 through the water inlet pipe 1, after the sewage enters the treatment box 21 from the top plate 22, the sewage flows down between the baffle plate 24 and the inner wall of the treatment box 21, firstly, large impurities are hooked through the first impurity removal filter screen 27, the visible impurities in the sewage are isolated for the second time through the second impurity removal filter screen 28, the subsequent sewage rises through the limit filter screen 26 to reach the extraction height of the first connecting pipe 3, and the large impurities stay in the treatment box 21 through the blocking of the limit filter screen 26, the first impurity removal filter screen 27 and the second impurity removal filter screen 28, if the filter screens are required to be replaced and cleaned, the first impurity removing filter screen 27 is firstly removed from the bolt fixation and is pumped away, the second impurity removing filter screen 28 is enabled to continuously block impurities, the initially treated sewage is discharged into the mixing box 41 through the first connecting pipe 3, the PLC controls the electric control valve of the medicine spraying box 46 to start and stop at regular time, the medicine in the medicine spraying box 46 is sprayed out towards the mixing box 41 intermittently, the stirring blade 45 is driven by the motor 43 to rotate, the medicine and the sewage are stirred and conveyed in the water discharging channel 42, the mixed sewage is pumped into the precipitation mechanism 6 by the second connecting pipe 5, when the filtered water is above the filter screen plate 62, the pumping pipe 67 is driven to pump water through the external power of the water discharging pipe 7, the pumping pipe 67 is matched with the counterweight pipe 66 by gravity and buoyancy through the floating ring 68 and is always under the water surface, so that the impurity content in the pumped away filtered water is reduced, so that the whole filtering effect is better.

Claims

1. The utility model provides a sewage filter device, includes inlet tube (1) and pretreatment mechanism (2), its characterized in that:

the utility model discloses a pretreatment device, including pretreatment mechanism (2), inlet tube (1), pre-treatment mechanism (2), first connecting pipe (3), mixing mechanism (4), second connecting pipe (5), precipitation mechanism (6) have been arranged in proper order on the right side of inlet tube (1) and pretreatment mechanism (2), mixing mechanism (4), precipitation mechanism (6) are all located on working floor through the bottom sprag leg, first connecting pipe (3), second connecting pipe (5) are connected with the suction pump, the both ends of first connecting pipe (3) are connected with pretreatment mechanism (2), mixing mechanism (4) respectively, the both ends of second connecting pipe (5) are connected with mixing mechanism (4), precipitation mechanism (6) respectively, the top of precipitation mechanism (6) is equipped with drain pipe (7) with it intercommunication, drain pipe (7) and outside water pumping mechanism intercommunication.

2. The sewage filtering device according to claim 1, wherein the pretreatment mechanism (2) comprises a treatment box (21), a top plate (22), a mounting groove (23), a partition plate (24), a clamping groove (25), a limiting filter screen (26), a first impurity removing filter screen (27), a second impurity removing filter screen (28) and a mounting plate (29), the treatment box (21) is integrally of a hollow cylinder structure, an access door is arranged at the bottom of the treatment box (21), the top of the treatment box is provided with the top plate (22) communicated with the water inlet pipe (1), two mounting grooves (23) are arranged on the peripheral surface of the upper left side of the treatment box (21) at intervals, the partition plate (24) is arranged inside the treatment box (21), the top of the partition plate (24) is a rectangular plate, the lower part of the rectangular plate extends towards the left inner wall of the treatment box (21) in an arc shape, a limit filter screen (26) is arranged at the bottom of the extending end, the limit filter screen (26) extends towards the right side wall surface of the treatment box (21) until being in sealing butt joint with the inner wall surface of the limit filter screen, two clamping grooves (25) are arranged at intervals at the arc section of the partition plate (24), the clamping grooves (25) are arranged in tangential correspondence with the mounting grooves (23), the first impurity removal filter screen (27) and the second impurity removal filter screen (28) respectively enter from the mounting grooves (23) until the inserting ends of the first impurity removal filter screen and the second impurity removal filter screen are in butt joint with the inner wall surface of the clamping grooves (25), the first impurity removing filter screen (27) is inserted obliquely downwards, the second impurity removing filter screen (28) is inserted at an angle close to the horizontal, mounting plates (29) are arranged at the outer side ends of the first impurity removing filter screen (27) and the second impurity removing filter screen (28), and two sides of each mounting plate (29) are fixedly connected with the outer peripheral surface of the treatment box (21) through bolts.

3. The sewage filtering device according to claim 2, wherein the first impurity removing filter screen (27) is internally provided with a plurality of hooks (271) side by side, the tips of the hooks (271) are subjected to a pause treatment, the hooks (271) are obliquely arranged towards the top plate (22) so that the hook heads of the hooks are opposite to the sewage downflow path, and the outer side surfaces of the mounting plates (29) are provided with handles (291).

4. A sewage filter device according to claim 2, wherein the mounting plate (29) has a height greater than the heights of the first impurity removing filter screen (27) and the second impurity removing filter screen (28), and the mounting plate (29) is tightly connected with the mounting groove (23) by means of a sealing gasket.

5. The sewage filtering device according to claim 1, wherein the mixing mechanism (4) is composed of a mixing box (41), a drainage channel (42), a motor (43), a rotating shaft (44), stirring blades (45) and a spraying box (46), the left side end of the mixing box (41) is communicated with the first connecting pipe (3), the inner bottom surface of the mixing box (41) is the drainage channel (42), the left side of the drainage channel (42) is an inclined surface, sewage better flows into the mixing box, the top of the mixing box (41) is provided with the motor (43), the motor (43) is connected with the rotating shaft (44), the rotating shaft (44) penetrates into the mixing box (41), the stirring blades (45) are arranged on the outer circumferential surface of the extending end, the left side top surface of the mixing box (41) is an upward inclined surface, the main body of the spraying box (46) is located outside the mixing box (41), the spraying opening is located inside the mixing box (41) and is inclined, a tangential spraying path is formed towards the drainage channel (42), and the electric control valve is arranged inside the spraying box (46).

6. The sewage filtering device according to claim 5, wherein the stirring blade (45) is integrally in an arc-shaped structure, an arc-shaped surface is arranged towards the second connecting pipe (5), a space is reserved between the bottom of the stirring blade (45) and the drainage channel (42), and the stirring blade (45) is coated with a corrosion-resistant coating.

7. The sewage filtering device according to claim 1, wherein the sedimentation mechanism (6) is composed of a sedimentation tank (61), a filter screen plate (62), a mounting pipe (63), a fixed pipe (64), a hose (65), a counterweight pipe (66), a water suction pipe (67) and a floating ring (68), the filter screen plate (62) is arranged in the sedimentation tank (61), the filter screen plate (62) is positioned above the second connecting pipe (5), a sedimentation space is formed between the filter screen plate (62) and the bottom surface of the sedimentation tank (61), the filter screen plate (62) is provided with a filter screen on both sides, filtered water rises upwards from the filter screen, the top of the sedimentation tank (61) is provided with the mounting pipe (63) communicated with the filter screen plate, the mounting pipe (63) is provided with internal threads, the fixed pipe (64) is in meshed connection with the mounting pipe (63) through the external threads, the top of the fixed pipe (64) is connected with the water discharge pipe (7), the bottom of the fixed pipe (64) is provided with the hose (65), the filter screen plate (65) is reserved for a length matched with the sedimentation tank (61), the filter screen plate (62) is lifted upwards from the filter screen plate, the filter screen plate (62) is provided with the inner bottom of the hose (66), the inner bottom of the hose (66) is provided with the water suction pipe (67), the bottom of the weight tube (66) is provided with a floating ring (68).