CN113443741B - Improved high-density pool - Google Patents

Improved high-density pool Download PDF

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Publication number
CN113443741B
CN113443741B CN202110746289.1A CN202110746289A CN113443741B CN 113443741 B CN113443741 B CN 113443741B CN 202110746289 A CN202110746289 A CN 202110746289A CN 113443741 B CN113443741 B CN 113443741B
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CN
China
Prior art keywords
skimming
shell
motor
flushing
fixedly connected
Prior art date
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Application number
CN202110746289.1A
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Chinese (zh)
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CN113443741A (en
Inventor
丁云松
于鹏
陈远
庞彦绮
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Chongqing Liangping Drainage Co ltd
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Chongqing Liangping Drainage Co ltd
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Priority to CN202110746289.1A priority Critical patent/CN113443741B/en
Publication of CN113443741A publication Critical patent/CN113443741A/en
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Publication of CN113443741B publication Critical patent/CN113443741B/en
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Classifications

    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0006—Settling tanks provided with means for cleaning and maintenance
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/003—Sedimentation tanks provided with a plurality of compartments separated by a partition wall
    • B01D21/0033—Vertical, perforated partition walls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0051—Plurality of tube like channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/02—Settling tanks with single outlets for the separated liquid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/24—Feed or discharge mechanisms for settling tanks
    • B01D21/2433—Discharge mechanisms for floating particles
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00—General aspects of water treatment
    • C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions

Abstract

The invention relates to an improved high-density tank, which comprises an anti-fouling mud precipitation structure, wherein the anti-fouling mud precipitation structure comprises a plurality of slopes and a flushing main pipe; the slopes are respectively arranged at the junctions of two adjacent vertical tank walls and the tank bottom; a water inlet valve is arranged on the flushing main pipe, and a plurality of flushing pipes are communicated with the flushing main pipe; the flushing pipes are respectively arranged along the junction of the two tank walls at the plurality of slopes and are fixedly connected with the tank walls; two flushing branch pipes are respectively arranged at the lower part of the flushing pipe, and are respectively arranged along the junction of the slope surface and the two tank walls; the flushing branch pipe is provided with a row of small holes, and the openings of the small holes face the slope surface. In the invention, slopes are additionally arranged at four corners of the preliminary sedimentation zone, and flushing branch pipes are arranged at the slopes, so that the sludge accumulated in the preliminary sedimentation zone is flushed into the working range of the sludge scraper.

Description

Improved high-density pool
Technical Field
The invention relates to the field of sewage treatment, in particular to an improved high-density tank.
Background
In the field of sewage treatment, sewage treatment generally goes through the following stages: after sewage enters a sewage treatment plant, the sewage is filtered through a coarse grid to remove massive impurities; filtering the sewage through a fine grid to remove small-block impurities in the sewage; and then the filtered sewage is subjected to corresponding treatment in sequence through a grit chamber, a biochemical tank, a high-density tank and a disinfection tank, and finally the sewage is discharged into a water body. The high-density tank mainly comprises a water inlet area, a mixing reaction area, a preliminary sedimentation area and an inclined tube sedimentation area, wherein solid sediment in sewage in the preliminary sedimentation area is settled to the bottom of the tank under the action of gravity.
The water inlet is arranged between the mixed reaction area and the preliminary sedimentation area, the water in the mixed reaction area enters the preliminary sedimentation area and is divided into two parts through the water inlet of the wall body, but in actual operation, the problem that one water inlet is full of load and even overloaded, and the water inlet of the other water inlet is small in water inflow often occurs, and the other water inlet is easy to be blocked by sludge and cannot produce mud due to the small water inflow, so that the sedimentation effect is poor, and the water quality and the on-site sensory of the discharged water are influenced.
Solid precipitate in the preliminary sedimentation zone is removed through the mud scraper, but the four corners of preliminary sedimentation zone are the blind area of mud scraper, consequently lead to this region to appear mud in a large number of piles up for a long time, and big mud agglomerating come-up is discharged along with the play water, seriously influences the play water quality to can block up preliminary sedimentation zone's filtration pore.
In addition, a small part of scum, foam and a part of floating sludge particles float on the surface of the preliminary sedimentation zone. For such floats, the floats are generally collected and removed through a skimming tube, the existing skimming tube can only collect the floats at the front end, the rear end area of the skimming device is a collecting blind area, the floats and floating sludge are easily accumulated at the rear end of the skimming device, and the overall sense of the pool surface is affected. The mode through artifical salvage is cleared up, and is not only consuming time hard, and the cleaning effect is not good. The skimming efficiency of the existing skimming pipe is slower, the floating objects of a single pool body can be cleaned about ten minutes at a time, the efficiency is slow, the water loss of the biochemical treatment can be caused, and the economic benefit is seriously influenced.
Disclosure of Invention
Aiming at the problems existing in the prior art, the invention aims to solve the technical problems that: four corners of the preliminary sedimentation area are dead areas of the mud scraper, but a large amount of mud is accumulated in the area for a long time, and filtering holes of the deep bed filter tank can be blocked.
In order to solve the technical problems, the invention adopts the following technical scheme: an improved high-density pool comprises a water inlet area, a mixing reaction area, a preliminary sedimentation area and an inclined tube sedimentation area; the bottoms of the water inlet zone, the mixing reaction zone, the preliminary sedimentation zone and the inclined tube sedimentation zone are sequentially communicated; a water inlet is arranged between the mixing reaction zone and the preliminary sedimentation zone; the water inlet is divided into two parts through a wall body, a half tank wall is arranged on the right side of the water inlet, the half tank wall is parallel to the left tank wall and the right tank wall of the preliminary sedimentation zone, the half tank wall is fixedly connected with the tank bottom and the front tank wall and the rear tank wall of the preliminary sedimentation zone, and the upper end of the half tank wall is lower than the upper end of the tank wall of the preliminary sedimentation zone.
The device also comprises an anti-sludge precipitation structure, wherein the anti-sludge precipitation structure comprises a plurality of slopes and a flushing header pipe.
The plurality of slopes are respectively arranged at the junctions of two adjacent vertical tank walls and the tank bottom, and when the method is implemented, two slopes are respectively arranged at two corners at the right bottom of the half tank wall; two corners on the right side of the preliminary sedimentation area are respectively provided with two slopes.
The flushing main pipe is provided with a water inlet valve, and is communicated with a plurality of flushing pipes.
The flushing pipes are respectively arranged along the junction of two vertical pool walls at the plurality of slopes and are fixedly connected with the pool walls; the washing pipe is low to be equipped with two washing bleeder respectively, two washing bleeder sets up promptly two washing bleeder and the washing pipe that corresponds the connection along the juncture of slope surface and two pool walls respectively form a Y style of calligraphy structure.
And a row of small holes are formed in the flushing branch pipe, and the openings of the small holes face to the slope surface.
In the invention, when the sludge scraper runs, sludge at four corners of a preliminary sedimentation area where the sludge scraper is positioned is difficult to remove, at the moment, slopes are arranged at the four corners of the preliminary sedimentation area, and through the arrangement of the slopes, the vertical included angle formed by the bottom of the right side of the half pool wall and the bottom of the preliminary sedimentation area pool is replaced by the slope surface, and as the sludge cannot stop on the slope surface, the sludge naturally slides downwards along the slope surface and enters the sludge scraping range of the sludge scraper, so that the accumulation of the sludge is avoided as much as possible.
If a small part of sludge cannot slide down along the slope surface, only a water inlet valve on the flushing main pipe is required to be opened, and reclaimed water flows into the flushing pipes from the flushing main pipe and flows out of a row of small holes on the flushing pipes to flush the slope, so that the sludge on the slope is flushed into the working range of the mud scraper.
Preferably, the device further comprises a skimming structure, wherein the skimming structure comprises a skimming tube, and the skimming tube comprises a skimming tube body, a shell, a skimming tube motor, a speed reducing mechanism, a turbine screw lifter, a screw and a plurality of long grooves.
The skimming tube body is of a circular tube structure, and a plurality of long grooves are formed in two radial sides of the skimming tube body; in the implementation, the heights and the lengths of the long grooves are equal, and the distances between two adjacent long grooves are equal; the height of the long grooves is between one fifth and one fourth of the diameter of the skimming tube body; the number of the long grooves on one side along the radial direction of the skimming tube body is multiple, the number of the long grooves on the other side of the skimming tube body is one, the long grooves are arranged at the front end of the skimming tube body, the left side area is large, floating objects are more, and the floating objects on the left side pool surface of the skimming tube body can be removed more quickly by arranging the long grooves; the area of the right side is smaller, and floating matters on the pool surface of the right side of the skimming tube body can be removed by arranging a long groove.
The skimming tube motor is arranged in the shell, and the skimming tube motor is arranged at the bottom of the shell. In specific implementation, the skimming tube motor is arranged on a fixed block in the shell, and the fixed block is fixedly connected to the bottom surface in the shell. The rotating shaft of the skimming tube motor is fixedly connected with the skimming tube body through a speed reducing mechanism. The turbine screw rod lifter is arranged in the shell, and in the concrete implementation, the turbine screw rod lifter is arranged on one side of a fixed block in the shell and is fixedly connected with the bottom of the shell; the number of the turbine screw rod lifters and the screw rods is two, and the turbine screw rod lifters and the screw rods are respectively arranged at two ends of the skimming tube body in the length direction.
The top of the screw rod penetrates through the shell, the screw rod is in sliding connection with the shell, when the device is in specific implementation, the lower end of the screw rod is vertically and fixedly connected to the bottom of the pool, and the upper end of the screw rod is fixedly connected to the pool wall of the pool top; the turbine screw rod lifter is in threaded connection with the screw rod.
The skimming tube is arranged at the right side part of the preliminary sedimentation zone. When the skimming tube is used for skimming, the lower notch of the long groove is positioned at a position more than 2mm-5mm below the sewage surface of the preliminary sedimentation zone.
In the concrete implementation, the turbine screw rod lifter drives the skimming tube body to move to the horizontal plane, and when suspended matters on the left side of the automatic skimming tube are collected and removed, the skimming tube motor drives the speed reducing mechanism to act, and the speed reducing mechanism drives the output shaft and the skimming tube body fixed on the output shaft to rotate; the left side long grooves on the skimming tube body can be just suitable for collecting and removing suspended matters on the pool surface; when suspended matters on the right side of the automatic skimming tube are collected and removed, the skimming tube motor drives the gear shaft to rotate, and the gear shaft drives the gear to rotate, so that the output shaft and a skimming tube body fixed on the output shaft are driven to rotate; the long groove on the right side of the skimming tube body can be just suitable for collecting and removing suspended matters on the pool surface.
Preferably, in order to reduce the rotation speed of the skimming tube motor, the speed reducing mechanism comprises a speed reducing housing, a gear shaft, an output shaft and a gear. The speed reduction shell is arranged inside the shell and is fixedly connected with the bottom of the shell. The two ends of the gear shaft respectively penetrate through the speed reduction shell, and the two ends of the gear shaft are respectively and rotatably connected with the two sides of the speed reduction shell through bearings. The two ends of the output shaft respectively penetrate through the speed reduction shell, and the two ends of the output shaft are respectively and rotatably connected with the two sides of the speed reduction shell through bearings. The gear is arranged on the output shaft and is fixedly connected with the output shaft through a flat key; the teeth on the gear are meshed with the teeth on the gear shaft. The number of teeth of the gear is larger than that of the gear shaft. The output shaft is arranged in parallel with the gear shaft, one end of the gear shaft is fixedly connected with the rotating shaft of the skimming tube motor, the gear shaft is positioned on the same axis with the rotating shaft of the skimming tube motor, one end of the output shaft is fixedly connected with the skimming tube body, and the output shaft is positioned on the same axis with the skimming tube body. The speed reducing mechanism has the advantages of simple structure, convenient installation and low use and maintenance cost.
Preferably, the automatic skimming control device also comprises a skimming automatic control structure, wherein the skimming automatic control structure comprises a singlechip, a third time relay, a fourth time relay, a liquid level sensor and a third time relay; the third time relay is arranged in a power supply loop of the skimming tube motor, and the fourth time relay is arranged in a power supply loop of the turbine screw lifter; the detection end of the liquid level sensor is arranged at the bottom of the outer side of the skimming tube body, and the signal input end of the liquid level sensor is connected with the liquid level signal input end of the singlechip; and the first control signal output end and the second control signal output end of the singlechip are respectively connected with the skimming tube motor and the turbine screw rod lifter. The timing start and stop of the motor and the turbine screw rod lifter can be realized through the time relay, so that automatic skimming can be realized.
Preferably, the device further comprises a slag flushing structure, wherein the slag flushing structure comprises a slag flushing main pipe, and the slag flushing main pipe is communicated with a first slag flushing pipe and a second slag flushing pipe. The first slag flushing pipe is arranged at the upper end of the left side tank wall of the preliminary sedimentation zone and is parallel to the skimming pipe body, a water inlet valve is arranged at the water inlet end of the first slag flushing pipe, a row of small holes are arranged on the first slag flushing pipe, and the opening directions of the small holes are the lower right, namely the tank surface of the preliminary sedimentation zone; when the automatic skimming pipe is in specific implementation, the water inlet valve is opened, reclaimed water enters the first skimming pipe, reclaimed water is discharged from a row of small holes, the reclaimed water drops on the pool surface to cause a circle of fine waves, and floating matters on the sewage surface on the left side of the automatic skimming pipe are flushed into the skimming pipe through the long groove.
The second slag flushing pipe is arranged on the right side of the skimming pipe body and is perpendicular to the skimming pipe body, the second slag flushing pipe is fixed at the upper end of the rear side pool wall of the preliminary sedimentation zone, one end of the second slag flushing pipe is provided with a water inlet valve, a row of small holes are formed in the second slag flushing pipe, and the opening direction of the small holes is the lower left side, namely the pool surface of the preliminary sedimentation zone. When the automatic skimming pipe is in specific implementation, the water inlet valve is opened, reclaimed water enters the second skimming pipe, reclaimed water is discharged from a row of small holes, the reclaimed water drops on the pool surface to cause a circle of fine waves, and floats on the sewage surface on the right side of the automatic skimming pipe are flushed into the skimming pipe through the long groove.
Preferably, the device also comprises a water outlet anti-blocking structure; the water outlet anti-blocking structure comprises a water outlet anti-blocking shell, a first motor, a transmission device and a flow pushing device. The right end of the water outlet anti-blocking shell is provided with a rectangular long groove; the water outlet anti-blocking shell is internally and fixedly provided with a first fixed plate, and a second fixed plate and a third fixed plate are sequentially and respectively fixed below the first fixed plate; the bottom of the water outlet anti-blocking shell is provided with a double-rod hydraulic cylinder, the cylinder body of the double-rod hydraulic cylinder is fixedly connected with the shell, and the double-rod hydraulic cylinder is arranged in the front-back direction; during the concrete implementation, the piston rod both ends of twin-rod pneumatic cylinder are fixed in the bottom of the pool of mixing the reaction zone respectively through the staple bolt for the piston rod of twin-rod pneumatic cylinder is parallel with the bottom of the pool of mixing the reaction zone, go out water and prevent that the casing left side is hugged closely on the pool wall that mixes the water inlet between reaction zone and the preliminary sedimentation zone is opposite.
The first motor is fixedly arranged on the first fixing plate, an output shaft of the first motor penetrates through the first fixing plate, and the output shaft of the first motor is rotationally connected with the first fixing plate through a bearing.
The transmission device comprises a speed reducer, a first bevel gear, a second bevel gear, a connecting shaft and a hydraulic cylinder.
The speed reducer is arranged on the second fixed plate and is fixedly connected with the second fixed plate; the input shaft of the speed reducer is fixedly connected with the output shaft of the first motor, and the input shaft of the speed reducer and the output shaft of the first motor are on the same axis.
An output shaft of the speed reducer penetrates through the third fixed plate, and the output shaft of the speed reducer is rotationally connected with the third fixed plate through a bearing; the shaft end of the output shaft of the speed reducer is fixedly connected with a first bevel gear.
The upper end of the connecting shaft penetrates through the third fixed plate, and the connecting shaft is rotationally connected with the third fixed plate through a bearing; the lower end of the connecting shaft is rotationally connected with the inner bottom surface of the water outlet anti-blocking shell through a bearing.
The second bevel gear is fixedly connected to the upper end of the connecting shaft, and is meshed with the first bevel gear.
The left end of the hydraulic cylinder penetrates through the rectangular long groove at the right end of the water outlet anti-blocking shell, and the left end of the cylinder body of the hydraulic cylinder is fixedly connected to the connecting shaft.
The impeller comprises a second motor, a protective cover, a rotating block and a plurality of blades.
The protection cover is of a semi-closed structure with an opening at the right end and a closed left end, and the opening at the right end of the protection cover faces to a water inlet between a mixed reaction area and a preliminary sedimentation area of the high-density tank.
The second motor shell passes through the center of the protective cover, and the right end of the second motor shell is fixedly connected with the protective cover.
The left end of the second motor shell is fixedly connected with one end of a hydraulic rod of the hydraulic cylinder.
And the output shaft of the second motor is fixedly connected with the rotating block.
One ends of the blades are respectively fixedly connected to the rotating block, and the blades are perpendicular to the output shaft of the second motor. In specific implementation, the protective cover is of a cylindrical structure; the plurality of blades are arranged inside the protective cover. The number of the blades is three, and the included angle between the blades is 120 degrees.
In the concrete implementation, the first motor, the speed reducer and the connecting shaft are fixed by the shell through the first connecting plate, the second connecting plate and the third connecting plate, and the first motor, the speed reducer, the first bevel gear, the second bevel gear, the connecting shaft and the hydraulic cylinder are sequentially connected, so that the first motor can rotate to drive the hydraulic cylinder to rotate, thereby driving the impeller to rotate, and the hydraulic rod stretches and contracts to move, thereby driving the impeller to move; the second motor rotates to drive the rotating block to rotate, so that a plurality of blades on the rotating block are driven to rotate, and the blades stir sewage to form rotational flow to push the sewage to flow, so that the flow guiding effect is achieved.
Preferably, the water outlet anti-blocking automatic control structure comprises a first and a second
Two time relays; the first time relay is arranged in a power supply loop of the first motor, and the second time relay is arranged in a power supply loop of the second motor; and the third, fourth, fifth and sixth control signal output ends of the singlechip are respectively connected with the first motor, the second motor, the hydraulic cylinder and the double-rod hydraulic cylinder. The timing start and stop of the first motor and the second motor can be realized through the time relay, so that automatic control can be realized.
Preferably, in order to save cost, the flushing slag main and the water used in the flushing main are reclaimed water.
Preferably, in order to prevent the intermediate water from dripping into the preliminary sedimentation zone and failing to effectively sediment, the device further comprises a slag flushing automatic control structure, wherein the slag flushing automatic control structure comprises a fifth time relay; the fifth time relay is arranged in a power supply loop of the flushing main water inlet valve; and the seventh control signal output end of the singlechip is connected with a water inlet valve of the flushing main pipe. The timing start and stop of the water inlet valve can be realized through the third time relay, so that automatic control can be realized.
Compared with the prior art, the invention has at least the following advantages:
1. and the mud scraping blind area is reduced. The slope is additionally arranged at four corners of the preliminary sedimentation area for the blind area of the mud scraper, and the flushing pipe is arranged on the slope, so that the sludge at the blind area can be flushed by the flushing pipe in the working range of the mud scraper, and the problem that a large amount of sludge is accumulated in the mud scraping blind area for a long time, so that the filtering holes of the deep bed filtering pond are blocked is solved.
2. The skimming efficiency is improved, the water loss of the treatment is reduced, and the economic benefit is increased. The size of the space for the floaters to enter the skimming tube is controlled by adjusting the upper and lower positions of the skimming tube and the rotation direction of the skimming tube, so that the floaters can properly enter the skimming tube, and the treated water quantity can be least entering the skimming tube; and by additionally arranging the two slag flushing pipes, floaters on two sides of the slag skimming pipe can quickly enter the slag skimming pipe, so that the slag skimming time is shortened.
3. The collecting blind area is reduced, and the removal rate of the floating matters on the pool surface is increased. An opening is additionally arranged at the rear end of the skimming tube, and the floating matters at the rear end of the skimming tube are controlled to enter the skimming tube through the rotation direction of the skimming tube, so that the floating matters at the dead zone position at the rear end can be removed.
4. The water inflow difference of the two water inlets is reduced, and the water inlets are not blocked. Through the action of play water anti-blocking structure, carry out the plug flow to the water inlet that the inflow is little in two water inlets for the inflow difference of two water inlets diminishes, increases the work efficiency of two water inlets, and a plurality of blades also make sewage flash mixing under the drive of second motor, can not deposit in the department of intaking and cause the water inlet to stop up.
5. The plug flow range is wide, and dead angles are few. The impeller in the water outlet anti-blocking structure rotates 180 degrees, so that the flow pushing range of the impeller is enlarged, and flow pushing dead angles are reduced. The plug flow effect is higher. The rear end of the impeller is additionally provided with a hydraulic cylinder, so that one end far away from the impeller can also have certain thrust to push sewage.
Drawings
Fig. 1 is a schematic diagram of the overall structure of an embodiment.
Fig. 2 is an enlarged view at G in fig. 1.
Fig. 3 is a cross-sectional view of the overall structure of the embodiment.
Fig. 4 is a perspective view of an automatic skimming tube.
Fig. 5 is a left side view of the automatic skimming tube.
Fig. 6 is a perspective view of a water outlet blocking prevention structure.
Fig. 7 is a left side view of the out-flow blocking structure.
Fig. 8 is a cross-sectional view of the reduction mechanism.
In the figure, a 100-mixed reaction zone, a 110-water inlet; 120-a water outlet anti-blocking shell, 121-a rectangular long groove, 122-a first fixing plate, 123-a second fixing plate, 124-a third fixing plate, 125-a double-rod hydraulic cylinder and 130-a first motor; 140-transmission device, 141-speed reducer, 142-first bevel gear, 143-second bevel gear, 144-connecting shaft, 145-hydraulic cylinder; 150-impeller, 151-second motor, 152-protective cover, 153-rotating block, 154-blade; 200-a preliminary sedimentation zone, 210-a half pool wall and 220-a slope; 240-automatic skimming tube, 241-skimming tube body, 242-shell, 243-skimming tube motor, 244-reducing mechanism, 245-turbine screw lifter, 246-screw, 247-long groove; 251-a first slag flushing pipe, 252-a second slag flushing pipe, 260-a flushing pipe and 261-a flushing branch pipe; 41-a speed reduction shell, 42-a gear shaft, 43-an output shaft and 44-a gear.
Detailed Description
The present invention will be described in further detail below.
In the present invention, 'front', 'rear', 'left', 'right', 'up', 'down' refer to the orientation in fig. 1, wherein 'front' refers to facing outwards in fig. 1 with respect to the page, and 'rear' refers to facing inwards in fig. 1 with respect to the page. In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1-8, one embodiment provided by the present invention is: an improved high-density pool comprises a water inlet area, a mixed reaction area 100, a preliminary sedimentation area 200 and an inclined tube sedimentation area; the bottoms of the water inlet zone, the mixed reaction zone 100, the preliminary sedimentation zone 200 and the inclined tube sedimentation zone are sequentially communicated; a water inlet 110 is arranged between the mixed reaction zone 100 and the preliminary sedimentation zone 200; the water inlet 110 is divided into two parts through a wall body, a half tank wall 210 is arranged on the right side of the water inlet 110, the half tank wall 210 is parallel to the left tank wall and the right tank wall of the preliminary sedimentation zone 200, the half tank wall 210 is fixedly connected with the tank bottom and the front tank wall and the rear tank wall of the preliminary sedimentation zone 200, and the upper end of the half tank wall 210 is lower than the upper end of the tank wall of the preliminary sedimentation zone 200.
Also included is an anti-sludge settling structure comprising a plurality of ramps 220 and a flush manifold.
The plurality of slopes 220 are respectively arranged at the junctions of two adjacent vertical tank walls and the tank bottom, and when the method is implemented, two slopes 220 are respectively arranged at two corners of the right side bottom of the half tank wall 210; two slopes 220 are respectively arranged at two corners on the right side of the preliminary sedimentation area 200.
The flushing manifold is provided with a water inlet valve and is communicated with a plurality of flushing pipes 260.
The plurality of flushing pipes 260 are respectively arranged along the junction of the two vertical pool walls at the plurality of slopes 220 and are fixedly connected with the pool walls; the flushing pipe 260 is provided with two flushing branch pipes 261 at a lower position, and the two flushing branch pipes 261 are respectively arranged along the junction of the surface of the slope 220 and the two pool walls.
The branched flushing pipe 261 is provided with a row of small holes, and the openings of the small holes face the surface of the slope 220.
In the invention, when the sludge scraper is operated, sludge at four corners of a preliminary sedimentation area where the sludge scraper is positioned is difficult to remove, at the moment, slopes 220 are arranged at four corners of the preliminary sedimentation area, and by the arrangement of the slopes 220, the vertical included angle formed by the bottom of the right side of a half pool wall 210 and the bottom of the preliminary sedimentation area 200 is replaced by a slope surface, and the sludge can naturally slide downwards along the slope 220 surface because the sludge cannot stop on the slope surface and enters the sludge scraping range of the sludge scraper, so that the accumulation of the sludge is avoided as much as possible. If some sludge fails to slide down the slope 220, only the water inlet valve on the flushing header is opened, and water flows in from the flushing header into the plurality of flushing pipes 260, and flows out from a row of small holes on the plurality of flushing pipes 260 to flush the slope 220 and flush the sludge on the slope into the working range of the mud scraper.
Further, a skimming structure is included. The skim structure includes a skim tube 240, the skim tube 240 including a skim tube body 241, a housing 242, a skim tube motor 243, a reduction mechanism 244, a turbine screw lift 245, a screw 246, and a plurality of elongated slots 247.
The skimming tube body 241 is of a circular tube structure, and a plurality of long grooves 247 are formed on two radial sides of the skimming tube body 241; in practice, the plurality of elongated slots 247 have equal height and length, and the spacing between two adjacent elongated slots 247 is equal; the plurality of elongated slots 247 have a height between one fifth and one fourth of the diameter of the skim tube body 241; the number of the long grooves 247 on one side along the radial direction of the skimming tube body 241 is more, the number of the long grooves 247 on the other side of the skimming tube body 241 is one, the long grooves 247 are arranged at the front end of the skimming tube body 241, the left side area is larger, the floating objects are more, and the floating objects on the left side pool surface of the skimming tube body 241 can be removed more quickly by the plurality of the long grooves 247; and the right side area is smaller, and a long groove 247 is arranged to remove floating matters on the right side pool surface of the skimming tube body 241.
The two ends of the skimming tube body 241 are respectively provided with the shell 242, and the two ends of the skimming tube body 241 respectively penetrate through the shell 242 and are rotatably connected with the shell 242 through bearings.
The skimmer tube motor 243 is disposed within the housing 242. In particular, the skimmer tube motor 243 is disposed on a fixed block within the housing 242 that is fixedly attached to the bottom surface within the housing 242.
The rotating shaft of the skimming tube motor 243 is fixedly connected with the skimming tube body 241 through a speed reducing mechanism 244. The turbine screw lifter 245 is disposed in the housing 242, and when in implementation, the turbine screw lifter 245 is disposed at one side of a fixed block in the housing 242, and the turbine screw lifter 245 is fixedly connected with the bottom of the housing 242; the number of the turbine screw lifters 245 and the screw rods 246 is two, and the turbine screw lifters 245 and the screw rods 246 are respectively arranged at two ends of the skimming tube body 241 in the length direction. The top of the screw rod 246 penetrates through the shell 242, the screw rod 246 is in sliding connection with the shell 242, when the device is in implementation, the lower end of the screw rod 246 is vertically and fixedly connected to the bottom of a pool, and the upper end of the screw rod 246 is fixedly connected to the pool wall of the top of the pool; the turbine screw lifter 245 is screwed with the screw 246.
The skimming tube 240 is disposed at the right side portion of the preliminary sedimentation zone 200. When skimming is performed using the skimming tube 240, the lower notch of the elongated slot 247 is located more than 2mm-5mm below the sewage surface of the preliminary sedimentation zone 200.
Further, in order to reduce the rotation speed of the skimming tube motor 243, the speed reducing mechanism 244 includes a speed reducing housing 41, a gear shaft 42, an output shaft 43, and a gear 44. The speed reduction housing 41 is disposed inside the housing 242, and the speed reduction housing 41 is fixedly connected to the bottom of the housing 242. The two ends of the gear shaft 42 respectively penetrate through the reduction housing 41, and the two ends of the gear shaft 42 are respectively and rotatably connected with the two sides of the reduction housing 41 through bearings. The two ends of the output shaft 43 respectively penetrate through the reduction housing 41, and the two ends of the output shaft 43 are respectively rotatably connected with the two sides of the reduction housing 41 through bearings. The gear 44 is arranged on the output shaft 43, and the gear 44 is fixedly connected with the output shaft 43 through a flat key; the teeth on the gear 44 mesh with the teeth on the gear shaft 42. The number of teeth of the gear 44 is greater than the number of teeth of the gear shaft 42. The output shaft 43 is arranged in parallel with the gear shaft 42, one end of the gear shaft 42 is fixedly connected with the rotating shaft of the skimming tube motor 243, and the gear shaft 42 and the rotating shaft of the skimming tube motor 243 are on the same axis. One end of the output shaft 43 is fixedly connected with the skimming tube 241, and the output shaft 43 and the skimming tube 241 are on the same axis.
In specific implementation, the turbine screw lifter 245 drives the skimming tube 241 to move to the horizontal plane, and when suspended matters on the left side of the automatic skimming tube are collected and removed, the skimming tube motor 243 drives the speed reducing mechanism 244 to act, and the speed reducing mechanism 244 drives the output shaft and the skimming tube 241 fixed on the output shaft to rotate; so that the left side long grooves 247 on the skimming tube body 241 can properly collect and remove suspended matters on the pool surface; when suspended matters on the right side of the automatic skimming tube are collected and removed, the skimming tube motor 243 drives the gear shaft to rotate, and the gear shaft drives the gear to rotate, so that the output shaft and a skimming tube body 241 fixed on the output shaft are driven to rotate; so that the right-hand slot 247 in the skimming tube 241 is adapted to collect and remove suspended matter from the pool surface.
Further, the device also comprises a slag flushing structure, wherein the slag flushing structure comprises a slag flushing main pipe, and the slag flushing main pipe is communicated with a first slag flushing pipe 251 and a second slag flushing pipe 252. The first slag flushing pipe 251 is arranged at the upper end of the left side tank wall of the preliminary sedimentation zone 200, the first slag flushing pipe 251 is fixedly connected with the tank walls at the front side and the rear side and is parallel to the skimming pipe body 241, the water inlet end of the first slag flushing pipe 251 is provided with a water inlet valve, a row of small holes are arranged on the first slag flushing pipe 251, and the opening directions of the small holes are right lower; in particular, when the water inlet valve is opened, reclaimed water enters the first slag flushing pipe 251, reclaimed water is discharged from a row of small holes, and the reclaimed water drops on the pool surface to cause a circle of fine waves, so that floating matters on the sewage surface at the left side of the automatic slag skimming pipe 240 are flushed into the slag skimming pipe body 241 through the long groove 247.
The second slag flushing pipe 252 is arranged on the right side of the skimming pipe body 241 and is perpendicular to the skimming pipe body 241, the second slag flushing pipe 252 is fixed at the upper end of the rear side tank wall of the preliminary sedimentation zone 200, one end of the second slag flushing pipe 252 is provided with a water inlet valve, a row of small holes are arranged on the second slag flushing pipe 252, and the opening directions of the small holes are the lower left direction. In particular, when the water inlet valve is opened, reclaimed water enters the second slag flushing pipe 252, reclaimed water is discharged from a row of small holes, and the reclaimed water drops on the pool surface to cause a circle of fine waves, so that floating matters on the sewage surface on the right side of the automatic slag skimming pipe 240 are flushed into the slag skimming pipe body 241 through the long groove 247.
Further, the device also comprises a water outlet anti-blocking structure; the water outlet anti-blocking structure comprises a water outlet anti-blocking shell 120, a first motor 130, a transmission device 140 and a flow pushing device 150. A rectangular long groove 121 is formed in the right end of the water outlet anti-blocking shell 120; a first fixing plate 122 is fixedly arranged in the water outlet anti-blocking shell 120, and a second fixing plate 123 and a third fixing plate 124 are sequentially and respectively fixedly arranged below the first fixing plate 122; the bottom of the water outlet anti-blocking shell 120 is provided with a double-rod hydraulic cylinder 125, the cylinder body of the double-rod hydraulic cylinder 125 is fixedly connected with the shell 120, and the double-rod hydraulic cylinder 125 is arranged in the front-back direction; in specific implementation, two ends of a piston rod of the double-rod hydraulic cylinder 125 are respectively fixed at the bottom of the mixing reaction zone 100 through hoops, so that the piston rod of the double-rod hydraulic cylinder 125 is parallel to the bottom of the mixing reaction zone, and the left side of the water outlet anti-blocking shell 120 is tightly attached to the wall of the mixing reaction zone opposite to the water inlet between the preliminary sedimentation zone.
The first motor 130 is fixedly disposed on the first fixing plate 122, an output shaft of the first motor 130 penetrates through the first fixing plate 122, and the output shaft of the first motor 130 is rotatably connected with the first fixing plate 122 through a bearing. The transmission 140 includes a decelerator 141, a first bevel gear 142, a second bevel gear 143, a connecting shaft 144, and a hydraulic cylinder 145.
The speed reducer 141 is disposed on the second fixing plate 123 and is fixedly connected with the second fixing plate 123; the input shaft of the speed reducer 141 is fixedly connected with the output shaft of the first motor 130, and the input shaft of the speed reducer 141 and the output shaft of the first motor 130 are on the same axis. An output shaft of the speed reducer 141 penetrates through the third fixed plate 124, and the output shaft of the speed reducer 141 is rotatably connected with the third fixed plate 124 through a bearing; the shaft end of the output shaft of the speed reducer 141 is fixedly connected with a first bevel gear 142.
The upper end of the connecting shaft 144 penetrates through the third fixed plate 124, and the connecting shaft 144 is rotatably connected with the third fixed plate 124 through a bearing; the lower end of the connecting shaft 144 is rotatably connected with the inner bottom surface of the water outlet anti-blocking housing 120 through a bearing. The second bevel gear 143 is fixedly connected to the upper end of the connecting shaft 144, and the second bevel gear 143 is engaged with the first bevel gear 142. The left end of the hydraulic cylinder 145 passes through the rectangular long groove 121 at the right end of the water outlet anti-blocking shell 120, and the left end of the cylinder body of the hydraulic cylinder 145 is fixedly connected to the connecting shaft 144. The impeller 150 includes a second motor 151, a protective cover 152, a rotating block 153, and a plurality of blades 154. The protecting cover 152 is a semi-closed structure with an opening at the right end and a closed left end, and the opening at the right end of the protecting cover 152 faces to a water inlet between the mixing reaction zone and the preliminary sedimentation zone of the high-density tank. The second motor 151 casing passes through the center of the protective cover 152, and the right end of the second motor 151 casing is fixedly connected with the protective cover 152. The left end of the second motor 151 is fixedly connected with one end of a hydraulic rod of the hydraulic cylinder 145. The output shaft of the second motor 151 is fixedly connected with the rotating block 153. One ends of the plurality of blades 154 are fixedly connected to the rotating block 153, respectively, and the plurality of blades 154 are perpendicular to the output shaft of the second motor 151. In particular, the protective cover 152 has a cylindrical structure; the plurality of blades 154 are disposed within the boot 152. The number of the plurality of blades 154 is three, and the included angle between the plurality of blades 154 is 120 DEG
In specific implementation, the water outlet anti-blocking housing 120 fixes the first motor 130, the speed reducer 141 and the connecting shaft 144 through the first connecting plate 122, the second connecting plate 123 and the third connecting plate 124, and the first motor 130, the speed reducer 141, the first bevel gear 142, the second bevel gear 143, the connecting shaft 144 and the double-rod hydraulic cylinder 125 are sequentially connected, so that the rotation of the first motor 130 can drive the double-rod hydraulic cylinder 1215 to rotate, thereby driving the impeller 150 to rotate, and the telescopic movement of the double-rod hydraulic cylinder 125, thereby driving the impeller 150 to move; the second motor 151 rotates to drive the rotating block 153 to rotate, so as to drive the plurality of blades 154 on the rotating block 153 to rotate, and the plurality of blades 154 agitate sewage to form rotational flow to push the sewage to flow, thereby playing a role of diversion.
Further, in order to save cost, the flushing slag main pipe and the water used in the flushing main pipe are reclaimed water.
Further, the automatic control structure comprises a singlechip, five time relays and a liquid level sensor;
a first time relay is arranged in a power supply loop of the first motor 130, and a second time relay is arranged in a power supply loop of the second motor 151; a third time relay is arranged in a power supply loop of the skimming tube motor 243, and a fourth time relay is arranged in a power supply loop of the turbine screw lifter 245; the third time relay is arranged in a power supply loop of the flushing main water inlet valve; the detection end of the liquid level sensor is arranged at the bottom of the outer side of the skimming tube body 241, and the signal input end of the liquid level sensor is connected with the liquid level signal input end of the singlechip;
The first control signal output end and the second control signal output end of the single chip microcomputer are respectively connected with a skimming tube motor 243 and a turbine screw lifter 245, the third control signal output end, the fourth control signal output end, the fifth control signal output end and the sixth control signal output end of the single chip microcomputer are respectively connected with the first motor 130, the second motor 151, the hydraulic cylinder 35 and the double-rod hydraulic cylinder 14, and the seventh control signal output end of the single chip microcomputer is connected with a flushing main water inlet valve.
The working principle of the improved high-density pool defined by the invention is as follows:
prevent mud sediment structure:
during manual control, when the mud scraper is operated, the water inlet valve on the flushing main pipe is opened, reclaimed water flows into the flushing pipes 260 from the flushing main pipe, the flushing is performed on the slope 220 after flowing out of a row of small holes on the flushing pipes 260, the mud on the slope 220 is flushed into the working range of the mud scraper, after the mud on the slope 220 is flushed, the water inlet valve on the flushing main pipe is closed, the operation of the next mud scraper is waited, and the steps are repeated.
When the automatic control is carried out, the singlechip controls the water inlet valve on the flushing main pipe to be opened when the mud scraper is operated, and reclaimed water flows in from the flushing main pipe and then flows into the flushing pipes 260, and flows out from a row of small holes on the flushing pipes 260 to flush the slope 220 and flush the mud on the slope 220 into the working range of the mud scraper; meanwhile, the time relay starts to time, after a period of time, the time relay finishes timing, the singlechip controls the water inlet valve on the flushing main pipe to be closed, waits for the operation of the next mud scraper, and repeats the steps.
Skimming structure and slag flushing structure:
during manual control, a switch of the turbine screw rod lifter 245 is turned on, the turbine screw rod lifter 245 drives the skimming tube body 241 to move to a proper position on the pool surface, and then the switch of the turbine screw rod lifter 245 is turned off, so that a plurality of long grooves 247 on the left side of the skimming tube body 241 can collect and remove suspended matters on the pool surface on the left side of the skimming tube body 241 properly; meanwhile, a water inlet valve on the first slag flushing pipe 251 is opened, reclaimed water enters the first slag flushing pipe 251, reclaimed water is discharged from a row of small holes, the reclaimed water drops on the pool surface to cause a circle of fine waves, floating matters on the sewage surface on the left side of the automatic slag skimming pipe 240 are flushed into the slag skimming pipe body 241 through the long groove 247, after a period of time, the suspended matters on the left pool surface are completely removed, the water inlet valve on the first slag flushing pipe 251 is closed, a switch of the slag skimming pipe motor 243 is opened, the slag skimming pipe motor 243 acts, and the slag skimming pipe motor 243 drives the slag skimming pipe body 241 to move to a proper position on the pool surface through the speed reducing mechanism 244, so that the right long groove 247 on the slag skimming pipe body 241 can just collect and remove the suspended matters on the pool surface on the right side of the slag skimming pipe body 241; at the same time, the water inlet valve on the second slag flushing pipe 252 is opened, reclaimed water enters the second slag flushing pipe 252, reclaimed water is discharged from a row of small holes, the reclaimed water drops on the pool surface to cause a circle of fine waves, floating matters on the sewage surface on the right side of the automatic slag skimming pipe 240 are flushed into the slag skimming pipe body 241 through the long groove 247, after the suspended matters are completely removed, the water inlet valve on the second slag flushing pipe 252 is closed, and the turbine screw lifter 245 and the slag skimming pipe motor 243 are controlled to return to the initial positions through the switch of the turbine screw lifter 245 and the switch of the slag skimming pipe motor 243.
During automatic control, the liquid level sensor transmits collected signals into the singlechip, the singlechip controls the turbine screw lifter 245 to act according to the signals collected by the liquid level sensor, the skimming tube 241 is driven to move to a proper position on the pool surface, so that a plurality of long grooves 247 on the left side of the skimming tube 241 can be properly collected and removed, at the same time, the time relay starts timing, the singlechip controls the first flushing tube 251 to be opened, water enters the first flushing tube 251, medium water is discharged from the first row of small holes, medium water drops fall on the pool surface, fine waves are caused by the circle of fine waves, floating matters on the left side of the automatic skimming tube 240 are washed into the pool surface 241 through the long grooves 247, after the timing of the time relay reaches a set time, the singlechip controls the first flushing tube 251 water inlet valve to be closed, the skimming tube motor 243 drives the skimming tube 241 to move to a proper position on the pool surface through speed reduction, so that the right side of the skimming tube 241 can be properly removed from the long grooves 247 on the pool surface, the right side of the skimming tube 241 can be completely discharged from the first flushing tube 252 to the pool surface through the right side of the water inlet valve, and the water drops on the side of the water relay 252 are completely discharged from the pool surface after the water drops are completely.
The water outlet anti-blocking structure comprises:
when manual control is performed: the second motor 151 is turned on, and the second motor drives the rotating block 153 to rotate, thereby driving the plurality of blades 154 to rotate, and then the first motor 130 is turned on, so that the first motor 130 is controlled to rotate forward, and the first motor 130 drives the hydraulic cylinder 145 to rotate through the transmission route of the speed reducer 141, the first bevel gear 142, the second bevel gear 143, the connecting shaft 144 and the hydraulic cylinder 145, so that the impeller 150 is driven to rotate on the horizontal plane with the connecting shaft 144 as an axis, and when the impeller 150 rotates 180 degrees, the first motor 130 is controlled to rotate reversely, so that the impeller 150 returns to the initial position, and then the first motor 130 is controlled to rotate forward, thus circularly reciprocating. Thereby enabling the impeller 150 to push sewage back and forth in a semicircular area.
The switch on the double-rod hydraulic cylinder 125 is turned on, and the double-rod hydraulic cylinder 125 acts to drive the water outlet anti-blocking shell 120 to move on the piston rod of the double-rod hydraulic cylinder 125, so that the forward and backward movement of the impeller 150 is realized, the impeller 150 can alternately push the water in the directions of the two water inlets, the flow of the two water inlets is identical, the difference of the two water inlets is prevented from being overlarge, and the two water inlets are also prevented from being blocked. The switch on the hydraulic cylinder 145 is turned on, and the hydraulic cylinder 145 starts to act, so that the impeller 150 is driven to move left and right, and further, one end far away from the impeller 150 can also have higher pushing force to push sewage.
Automatic control: the singlechip controls the second time relay to start timing, controls the double-rod hydraulic cylinder 125 to act, thereby driving the water outlet anti-blocking shell 120 to move on a piston rod of the double-rod hydraulic cylinder 125, thereby realizing the forward and backward movement of the impeller 150, further enabling the impeller 150 to alternately push the water in the directions of the two water inlets, realizing the same flow of the two water inlets, preventing the overlarge difference of the two water inlets and also preventing the two water inlets from being blocked. The hydraulic cylinder 145 is controlled to start to act, so that the impeller 150 is driven to move left and right, and further, one end far away from the impeller 150 can also have higher pushing force to push sewage.
The singlechip controls the first time relay to start timing, at the same time, controls the first motor 130 to start rotating positively, the first motor 130 drives the hydraulic cylinder 145 to rotate through the transmission route of the speed reducer 141, the first bevel gear 142, the second bevel gear 143, the connecting shaft 144 and the hydraulic cylinder 145, so as to drive the impeller 150 to rotate, when the timing of the first time relay is finished, the impeller 150 just rotates 180 degrees, at the same time, controls the first motor 130 to rotate reversely, and when the timing of the first time relay is finished, the impeller 150 just returns to the initial position, and then controls the first motor 130 to rotate positively, at the same time, the first time relay starts a new round of timing again, and the cycle reciprocates until the timing of the second time relay is finished. Thereby enabling the impeller 150 to push sewage back and forth in a semicircular area.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present invention, which is intended to be covered by the scope of the claims of the present invention.

Claims (4)

1. An improved high-density pool comprises a water inlet area, a mixing reaction area (100), a preliminary sedimentation area (200) and an inclined tube sedimentation area; the bottoms of the water inlet zone, the mixed reaction zone (100), the preliminary sedimentation zone (200) and the inclined tube sedimentation zone are sequentially communicated; a water inlet (110) is arranged between the mixed reaction zone (100) and the preliminary sedimentation zone (200); the water inlet (110) is divided into two parts through a wall body, a half tank wall (210) is arranged on the right side of the water inlet (110), the half tank wall (210) is parallel to the left tank wall and the right tank wall of the preliminary sedimentation zone (200), the half tank wall (210) is fixedly connected with the tank bottom and the front tank wall and the rear tank wall of the preliminary sedimentation zone (200), and the upper end of the half tank wall (210) is lower than the upper end of the tank wall of the preliminary sedimentation zone (200); the method is characterized in that: the system further comprises an anti-sludge precipitation structure, wherein the anti-sludge precipitation structure comprises a plurality of slopes (220) and a flushing header pipe;
The slopes (220) are respectively arranged at the junctions of two adjacent vertical pool walls and the pool bottom;
a water inlet valve is arranged on the flushing main pipe, and a plurality of flushing pipes (260) are communicated with the flushing main pipe;
the flushing pipes (260) are respectively arranged along the junction of two vertical pool walls at the plurality of slopes (220) and are fixedly connected with the pool walls; two flushing branch pipes (261) are respectively arranged below the flushing pipe (260), and the two flushing branch pipes (261) are respectively arranged along the junction of the surface of the slope (220) and the two tank walls;
a row of small holes are formed in the flushing branch pipe (261), and the openings of the small holes face to the surface of the slope (220);
still include skimming structure:
the skimming structure comprises a skimming tube (240), wherein the skimming tube (240) comprises a skimming tube body (241), a shell (242), a skimming tube motor (243), a speed reducing mechanism (244), a turbine screw lifter (245), a screw (246) and a plurality of long grooves (247); the skimming tube body (241) is of a circular tube structure, and a plurality of long grooves (247) are formed in the two radial sides of the skimming tube body (241); the two ends of the skimming tube body (241) are respectively provided with the shell (242), and the two ends of the skimming tube body (241) respectively penetrate through the shell (242) and are rotatably connected with the shell (242) through bearings;
The number of the elongated slots (247) on one side along the radial direction of the skimming tube body (241) is more than one, and the number of the elongated slots (247) on the other side of the skimming tube body (241) is one and is arranged at the front end of the skimming tube body (241);
the skimming tube motor (243) is arranged in the shell (242); the rotating shaft of the skimming tube motor (243) is fixedly connected with the skimming tube body (241) through a speed reducing mechanism (244); the turbine screw rod lifter (245) is arranged in the shell (242), and the turbine screw rod lifter (245) is fixedly connected with the bottom of the shell (242); the top of the screw rod (246) penetrates through the shell (242), the screw rod (246) is in sliding connection with the shell (242), and the turbine screw rod lifter (245) is in threaded connection with the screw rod (246); the skimming tube (240) is arranged at the right side part of the preliminary sedimentation zone (200);
the speed reducing mechanism (244) comprises a speed reducing shell (41), a gear shaft (42), an output shaft (43) and a gear (44);
the speed reduction shell (41) is arranged in the shell (242), and the speed reduction shell (41) is fixedly connected with the bottom of the shell (242); two ends of the gear shaft (42) respectively penetrate through the speed reduction shell (41), and two ends of the gear shaft (42) are respectively and rotatably connected with two sides of the speed reduction shell (41) through bearings; two ends of the output shaft (43) respectively penetrate through the speed reduction shell (41), and two ends of the output shaft (43) are respectively and rotatably connected with two sides of the speed reduction shell (41) through bearings;
The gear (44) is arranged on the output shaft (43), and the gear (44) is fixedly connected with the output shaft (43) through a flat key; the teeth on the gear (44) are meshed with the teeth on the gear shaft (42);
the number of teeth of the gear (44) is larger than that of the gear shaft (42); the output shaft (43) is arranged in parallel with the gear shaft (42), one end of the gear shaft (42) is fixedly connected with the rotating shaft of the skimming tube motor (243), and the gear shaft (42) and the rotating shaft of the skimming tube motor (243) are positioned on the same axis; one end of the output shaft (43) is fixedly connected with the skimming tube body (241), and the output shaft (43) and the skimming tube body (241) are positioned on the same axis;
the automatic skimming control structure comprises a singlechip, a third time relay, a fourth time relay and a liquid level sensor; wherein a third time relay is arranged in a power supply loop of the skimming tube motor (243), and a fourth time relay is arranged in a power supply loop of the turbine screw elevator (245); the detection end of the liquid level sensor is arranged at the bottom of the outer side of the skimming tube body (241), and the signal input end of the liquid level sensor is connected with the liquid level signal input end of the singlechip; the first control signal output end and the second control signal output end of the singlechip are respectively connected with a skimming tube motor (243) and a turbine screw lifter (245);
The device also comprises a slag flushing structure, wherein the slag flushing structure comprises a slag flushing main pipe, and a first slag flushing pipe (251) and a second slag flushing pipe (252) are communicated with the slag flushing main pipe; the first slag flushing pipe (251) is arranged at the upper end of the left side tank wall of the preliminary sedimentation zone (200) and is parallel to the skimming pipe body (241), a water inlet valve is arranged at the water inlet end of the first slag flushing pipe (251), a row of small holes are arranged on the first slag flushing pipe (251), and the openings of the small holes face the tank surface of the preliminary sedimentation zone (200); the second slag flushing pipe (252) is arranged on the right side of the skimming pipe body (241) and is perpendicular to the skimming pipe body (241), the second slag flushing pipe (252) is fixed at the upper end of the rear side tank wall of the preliminary sedimentation area (200), a water inlet valve is arranged at one end of the second slag flushing pipe (252), a row of small holes are formed in the second slag flushing pipe (252), and the openings of the small holes face the tank surface of the preliminary sedimentation area (200);
the water outlet anti-blocking structure is also included; the water outlet anti-blocking structure comprises a water outlet anti-blocking shell (120), a first motor (130), a transmission device (140) and a flow pushing device (150); a rectangular long groove (121) is formed in the right end of the water outlet anti-blocking shell (120); a first fixing plate (122) is fixedly arranged in the water outlet anti-blocking shell (120), and a second fixing plate (123) and a third fixing plate (124) are sequentially and fixedly arranged below the first fixing plate (122) respectively; the bottom of the water outlet anti-blocking shell (120) is provided with a double-rod hydraulic cylinder (125), the cylinder body of the double-rod hydraulic cylinder (125) is fixedly connected with the water outlet anti-blocking shell (120), and the double-rod hydraulic cylinder (125) is arranged in the front-back direction;
The first motor (130) is fixedly arranged on the first fixed plate (122), an output shaft of the first motor (130) penetrates through the first fixed plate (122), and the output shaft of the first motor (130) is rotationally connected with the first fixed plate (122) through a bearing; the transmission device (140) comprises a speed reducer (141), a first bevel gear (142), a second bevel gear (143), a connecting shaft (144) and a hydraulic cylinder (145); the speed reducer (141) is arranged on the second fixed plate (123) and is fixedly connected with the second fixed plate (123); the input shaft of the speed reducer (141) is fixedly connected with the output shaft of the first motor (130), and the input shaft of the speed reducer (141) and the output shaft of the first motor (130) are on the same axis;
an output shaft of the speed reducer (141) penetrates through the third fixed plate (124), and the output shaft of the speed reducer (141) is rotationally connected with the third fixed plate (124) through a bearing; the shaft end of the output shaft of the speed reducer (141) is fixedly connected with a first bevel gear (142); the upper end of the connecting shaft (144) penetrates through the third fixed plate (124), and the connecting shaft (144) is rotatably connected with the third fixed plate (124) through a bearing; the lower end of the connecting shaft (144) is rotationally connected with the inner bottom surface of the water outlet anti-blocking shell (120) through a bearing; the second bevel gear (143) is fixedly connected to the upper end of the connecting shaft (144), and the second bevel gear (143) is meshed with the first bevel gear (142);
The left end of the hydraulic cylinder (145) penetrates through the rectangular long groove (121) at the right end of the water outlet anti-blocking shell (120), and the left end of the cylinder body of the hydraulic cylinder (145) is fixedly connected to the connecting shaft (144); the impeller (150) comprises a second motor (151), a protective cover (152), a rotating block (153) and a plurality of blades (154); the protective cover (152) is of a semi-closed structure with an opening at the right end and a closed left end, and the opening at the right end of the protective cover (152) faces to a water inlet between a mixing reaction zone and a primary sedimentation zone of the high-density tank; the second motor (151) shell passes through the center of the protective cover (152), and the right end of the second motor (151) shell is fixedly connected with the protective cover (152); the left end of the second motor (151) shell is fixedly connected with one end of a hydraulic rod of the hydraulic cylinder (145); the output shaft of the second motor (151) is fixedly connected with the rotating block (153); one ends of the blades (154) are respectively and fixedly connected to the rotating block (153), and the blades (154) are perpendicular to the output shaft of the second motor (151);
the skimming tube motor (243) is arranged on a fixed block in the shell (242), and the fixed block is fixedly connected to the bottom surface in the shell (242);
The turbine screw rod lifter (245) is arranged on one side of the fixed block in the shell (242), and the turbine screw rod lifter (245) is fixedly connected with the bottom of the shell (242); the number of the turbine screw rod lifters (245) and the screw rods (246) is two, and the turbine screw rod lifters and the screw rods (246) are respectively arranged at two ends of the skimming tube body (241) in the length direction;
the lower end of the screw rod (246) is vertically and fixedly connected to the bottom of the pool, and the upper end of the screw rod (246) is fixedly connected to the pool wall of the pool top.
2. An improved high density tank as defined in claim 1, wherein: the water outlet anti-blocking automatic control structure comprises a first time relay and a second time relay;
wherein a first time relay is arranged in a power supply loop of the first motor (130), and a second time relay is arranged in a power supply loop of the second motor (151);
and the third, fourth, fifth and sixth control signal output ends of the singlechip are respectively connected with the first motor (130), the second motor (151), the hydraulic cylinder (145) and the double-rod hydraulic cylinder (125).
3. An improved high density tank as claimed in claim 2, wherein: and the flushing slag main pipe and the water used in the flushing main pipe are reclaimed water.
4. An improved high density tank as claimed in claim 3, wherein: the automatic control structure for slag flushing comprises a fifth time relay; the fifth time relay is arranged in a power supply loop of the flushing main water inlet valve; and the seventh control signal output end of the singlechip is connected with a water inlet valve of the flushing main pipe.
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