CN215102138U - Automatic skimming pipe - Google Patents

Abstract

The utility model relates to an automatic skimming pipe, including skimming body, casing, motor, reduction gears, turbine lead screw lift and lead screw. The skimming pipe body is of a circular pipe structure, and two sides along the radial direction of the skimming pipe body are respectively provided with an elongated slot; two ends of the skimming pipe body are respectively penetrated through the shell and are rotatably connected with the shell through bearings; the motor is arranged in the shell and is connected with the skimming pipe body through the speed reducing mechanism, the turbine lead screw lifter is arranged in the shell and is fixedly connected with the bottom of the shell. The top of the screw rod penetrates through the shell, the screw rod is connected with the shell in a sliding manner, and the upper end of the screw rod is fixedly connected to the pool wall of the pool top; the turbine lead screw lifter is in threaded connection with the lead screw. The utility model discloses in, skimming efficiency uprises, and the water loss diminishes, and economic benefits increases.

Description

Automatic skimming pipe

Technical Field

The utility model relates to a sewage treatment field specifically indicates an automatic skimming structure in high-density pond.

Background

In the field of sewage treatment, the treatment of sewage generally proceeds through the following stages: after sewage enters a sewage treatment plant, filtering the sewage through a coarse grating to remove large impurities; filtering the sewage through a fine grid to remove small impurities in the sewage; then the filtered sewage is treated correspondingly by a grit chamber, a biochemical tank, a high-density tank and a disinfection tank in sequence, and finally the sewage is discharged into a water body. Wherein the high-density tank mainly comprises a water inlet area, a mixed reaction area, a primary sedimentation area and an inclined tube sedimentation area, solid sediments in the sewage in the primary sedimentation area are settled to the bottom of the tank under the action of gravity, and a small part of scum, foam and a part of floating sludge particles float on the surface of the primary sedimentation area.

For the floaters, the floaters are generally collected and removed through a skimming pipe, the operation opening of the existing skimming pipe is changed due to the liquid level of a primary sedimentation area, the operation of the skimming pipe is controlled only by a fixed limit switch, and when the liquid level is lower than a limit point, the corresponding skimming pipe opening cannot complete skimming; when the liquid level is higher than the limit point, a large amount of treated water is skimmed, and the energy is wasted. In addition, the existing skimming pipe has low efficiency, the removal of floaters in a single tank body needs about ten minutes once, the efficiency is low, the loss of water for biochemical treatment can be caused, and the economic benefit is seriously influenced. In addition, the existing skimming pipe can only collect and remove floaters at the front end, the rear end area of the skimming pipe is a collecting blind area, and the floaters and floating sludge are easily accumulated at the rear end of the skimming pipe to influence the overall sense of the pool surface. The cleaning is carried out through a manual fishing mode, time and labor are wasted, and the cleaning effect is not good.

Disclosure of Invention

To the above-mentioned problem that prior art exists, the to-be-solved technical problem of the utility model is: the skimming efficiency of the preliminary sedimentation area is slow, the loss of water after biochemical treatment can be caused, the economic benefit is seriously influenced, the rear end area of the existing skimming pipe is a collecting blind area, and floaters and floating sludge are easy to accumulate at the rear end of the skimming pipe.

In order to solve the technical problem, the utility model adopts the following technical scheme: an automatic skimming pipe comprises a skimming pipe body, a shell, a motor, a speed reducing mechanism, a turbine screw rod lifter and a screw rod.

The skimming pipe body is of a circular pipe structure, and two radial sides of the skimming pipe body are respectively provided with an elongated slot.

The skimming pipe body is characterized in that the shells are arranged at two ends of the skimming pipe body, and the two ends of the skimming pipe body penetrate through the shells respectively and are rotatably connected with the shells through bearings.

The motor is arranged in the shell, and during specific implementation, the motor is arranged on a fixing block inside the shell, and the fixing block is fixedly connected to the bottom surface inside the shell.

And an output shaft of the motor is fixedly connected with the skimming pipe body through a speed reducing mechanism.

The turbine lead screw lifter is arranged in the shell, and during specific implementation, the turbine lead screw lifter is arranged on one side of the fixed block in the shell and is fixedly connected with the bottom of the shell.

The top of the screw penetrates through the shell, and the screw is in sliding connection with the shell; the turbine lead screw lifter is in threaded connection with the lead screw.

In the utility model, the turbine screw lifter drives the skimming pipe body to move to the horizontal plane, when the left suspended matters of the automatic skimming pipe are collected and removed, the motor drives the speed reducing mechanism to act, and the speed reducing mechanism drives the output shaft and the skimming pipe body fixed on the output shaft to rotate; a plurality of long grooves on the left side of the skimming pipe body can be used for properly collecting and removing suspended matters on the surface of the tank; when suspended matters on the right side of the automatic skimming pipe are collected and removed, the motor drives the gear shaft to rotate, and the gear shaft drives the gear to rotate, so that the output shaft and a skimming pipe body fixed on the output shaft are driven to rotate; so that the right long groove on the skimming pipe body can just collect and remove suspended matters on the surface of the tank.

Preferably, in order to reduce the rotation speed of the motor, a reduction mechanism is required to be set, and in addition, in order to save cost, the reduction mechanism includes a reduction housing, a gear shaft, an output shaft, and a gear. The speed reduction shell is arranged inside the shell, and the speed reduction shell is fixedly connected with the bottom of the shell. Two ends of the gear shaft respectively penetrate through the speed reducing shell, and two ends of the gear shaft are respectively rotatably connected with two sides of the speed reducing shell through bearings; two ends of the output shaft respectively penetrate through the speed reducing shell, and two ends of the output shaft are respectively rotatably connected with two sides of the speed reducing 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 greater 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 motor, and the gear shaft and the rotating shaft of the motor are positioned on the same axis; one end of the output shaft is fixedly connected with the skimming pipe body, and the output shaft and the skimming pipe body are positioned on the same axis.

Preferably, the number of the left long grooves of the skimming pipe body is multiple, the number of the right long grooves of the skimming pipe body is one, one right long groove and one left front long groove are in the same radial direction, and the right long groove is communicated with the upper end opening of the left front long groove. The left side area is large, the number of floaters is large, and the floaters on the left side pool surface of the skimming pipe body can be removed more quickly by arranging a plurality of long grooves; the right side area is smaller, and the floating objects on the right side pool surface of the skimming pipe body can be removed by arranging the long groove.

Preferably, the lower edge of each long groove on the left side is on the same horizontal line, and the distance between every two adjacent long grooves is equal. In the process of collecting and removing, floating objects on the surface of the pool can be uniformly collected and removed.

Preferably, in order to facilitate the easy up-and-down movement of the skimming pipe body, the number of the turbine screw rod lifters and the number of the screw rods are two, and the turbine screw rod lifters and the screw rods are respectively arranged at two ends of the skimming pipe body so as to drive the skimming pipe body to move up and down.

Preferably, the automatic control device also comprises an automatic control structure, wherein the automatic control structure comprises a single chip microcomputer, two time relays and a liquid level sensor; one time relay is arranged in a power supply circuit of the motor, and the other time relay is arranged in a power supply circuit 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 pipe body, and the signal input end of the liquid level sensor is connected with the liquid level signal input end of the single chip microcomputer; and the control signal output end of the singlechip is respectively connected with the motor and the turbine screw rod lifter. The timing start and stop of the motor and the turbine screw lifter can be realized through the time relay, so that automatic skimming can be realized.

Compared with the prior art, the utility model discloses at least, following advantage has:

1. the skimming efficiency is high, the loss of the treated water is small, and the economic benefit is increased. The size of the space for the floating objects to enter the skimming pipe is controlled by adjusting the upper and lower positions of the skimming pipe and the rotating direction of the skimming pipe, so that the floating objects can properly enter the skimming pipe, and the treated water can enter the skimming pipe in the minimum amount.

2. Reduce and collect the blind area for the floater of piling up in skimming pipe rear end also can be got rid of. The floating materials at the position of the dead zone at the rear end can be removed by additionally arranging the opening at the rear end of the skimming pipe.

Drawings

Fig. 1 is a structural perspective view of an automatic skimmer tube of example 1.

Fig. 2 is a left side view of the automatic skimmer tube of example 1.

Fig. 3 top view of the automatic skimmer tube of example 1.

Fig. 4 is a schematic structural view of the speed reducing mechanism of embodiment 1.

In the figure, 10-a skimming pipe body, 20-a shell, 30-a motor, 50-a turbine screw lifter, 60-a screw and 70-a long groove.

40-speed reducing mechanism, 41-speed reducing shell, 42-gear shaft, 43-output shaft and 44-gear.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the present invention 'front', 'rear', 'left', 'right', 'up', 'down' all refer to the orientation in fig. 1, wherein 'front' refers to facing outwards in fig. 1 with respect to the paper surface and 'rear' refers to facing inwards in fig. 1 with respect to the paper surface. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides an embodiment: an automatic skimming tube comprises a skimming tube body 10, a shell 20, a motor 30, a speed reducing mechanism 40, a turbine screw lifter 50 and a screw 60.

The skimming pipe body 10 is of a circular pipe structure, and two radial sides of the skimming pipe body 10 are respectively provided with an elongated slot 70.

The casing 20 is arranged at both ends of the skimming pipe body 10, and both ends of the skimming pipe body 10 respectively penetrate through the casing 20 and are rotatably connected with the casing 20 through bearings.

The motor 30 is disposed in the housing 20, and in specific implementation, the motor 30 is disposed on a fixing block inside the housing 20, and the fixing block is fixedly connected to the bottom surface inside the housing 20.

The rotating shaft of the motor 30 is fixedly connected with the skimming tube body 10 through a speed reducing mechanism 40.

The turbine screw rod lifter 50 is arranged in the shell 20, and in specific implementation, the turbine screw rod lifter 50 is arranged on one side of a fixed block inside the shell 20, and the turbine screw rod lifter 50 is fixedly connected with the bottom of the shell 20.

The top of the screw 60 penetrates through the shell 20, and the screw 60 is slidably connected with the shell 20, in specific implementation, the lower end of the screw 60 is vertically and fixedly connected to the bottom of the tank, and the upper end of the screw 60 is fixedly connected to the tank wall at the top of the tank; the turbine screw lifter 50 is in threaded connection with a screw 60.

Further, in order to reduce the rotation speed of the motor 30, a speed reduction mechanism is required to be set, and the speed reduction mechanism 40 can be realized by adopting any structure in the prior art, such as a direct practical speed reducer, the utility model provides a simple structure, the speed reduction mechanism 40 with low cost and easy maintenance. The speed reduction mechanism 40 includes a speed reduction housing 41, a gear shaft 42, an output shaft 43, and a gear 44; the speed reducing shell 41 is arranged inside the shell 20, and the speed reducing shell 41 is fixedly connected with the bottom of the shell 20; two ends of the gear shaft 42 respectively penetrate through the speed reducing shell 41, and two ends of the gear shaft 42 are respectively rotatably connected with two sides of the speed reducing shell 41 through bearings; two ends of the output shaft 43 respectively penetrate through the speed reducing shell 41, and two ends of the output shaft 43 are respectively rotatably connected with two sides of the speed reducing 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 mesh with the teeth on the gear shaft 42; the number of teeth of the gear 44 is greater 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 motor 30, and the gear shaft 42 and the rotating shaft of the motor 30 are positioned on the same axis; one end of the output shaft 43 is fixedly connected with the skimming tube 10, and the output shaft 43 and the skimming tube 10 are located on the same axis.

Further, the number of the left long grooves 70 of the skimming tube body 10 is multiple, the number of the right long grooves 70 of the skimming tube body 10 is one, one right long groove 70 and one left front long groove 70 are in the same radial direction, and the right long groove 70 is communicated with the upper end opening of the left front long groove 70. The left side area is large, the number of floaters is large, and the floaters on the left side pool surface of the skimming pipe body 10 can be removed more quickly by arranging the plurality of long grooves 70; the right side is smaller in area, and the floating materials on the right side pool surface of the skimming pipe body 10 can be removed by arranging the long groove 70. In particular, the length of the right slot 70 is half the length of the left slot 70.

Further, the lower edge of each elongated slot 70 on the left side is on the same horizontal line, and the distance between two adjacent elongated slots 70 is equal. In the process of collecting and removing, floating objects on the surface of the pool can be uniformly collected and removed.

Further, in order to facilitate the easy up-and-down movement of the skimming tube 10, the number of the turbine screw rod lifters 50 and the number of the screw rods 60 are two, and the two turbine screw rods are respectively arranged at two ends of the skimming tube 10 in the length direction. Thereby driving the skimmer tube 10 to move up and down.

Furthermore, the automatic control device also comprises an automatic control structure, wherein the automatic control structure comprises a single chip microcomputer, two time relays and a liquid level sensor. One of the time relays is provided in the power supply circuit of the motor 30, and the other time relay is provided in the power supply circuit of the worm screw elevator 50. The detection end of the liquid level sensor is arranged at the bottom of the outer side of the skimming pipe body 10, and the signal input end of the liquid level sensor is connected with the liquid level signal input end of the single chip microcomputer. The control signal output end of the single chip microcomputer is respectively connected with the motor 30 and the turbine screw rod lifter 50. The timing start and stop of the motor 30 and the turbine screw lifter 50 can be realized through the time relay, so that the automatic control can be realized. The method can be realized by simply programming the single chip microcomputer.

The utility model discloses what a limited automatic skimming pipe's theory of operation as follows:

can be controlled manually or automatically:

during manual control: turning on a switch of the turbine screw rod lifter 50, driving the skimming pipe body 10 to move to a proper position of the pool surface by the turbine screw rod lifter 50, and then turning off the switch of the turbine screw rod lifter 50, so that the left long grooves 70 on the skimming pipe body 10 can just collect and remove suspended matters on the left pool surface of the skimming pipe body 10; after a period of time, after the suspended matters on the left tank surface are completely removed, the switch of the motor 30 is turned on, the motor 30 acts, and the motor drives the skimming pipe body 10 to move to a proper position on the tank surface through speed reduction construction, so that the right long groove 70 on the skimming pipe body 10 can be used for just collecting and removing the suspended matters on the right tank surface of the skimming pipe body 10; after the suspended matters are completely removed, the turbine lead screw lifter 50 and the motor 30 are controlled to return to the initial positions through the switch of the turbine lead screw lifter 50 and the switch of the motor 30.

During automatic control: the liquid level sensor transmits collected signals to the single chip microcomputer, the single chip microcomputer controls the turbine screw lifter 50 to act according to the signals collected by the liquid level sensor, the skimming pipe body 10 is driven to move to a proper position of the pool surface, the left long grooves 70 on the skimming pipe body 10 can be used for collecting and removing suspended matters on the left pool surface of the skimming pipe body 10 properly, meanwhile, the time relay starts timing, after the time relay reaches set time, the motor 30 acts, the motor drives the skimming pipe body 10 to move to the proper position of the pool surface through speed reduction construction, the right long grooves 70 on the skimming pipe body 10 can be used for collecting and removing the suspended matters on the right pool surface of the skimming pipe body 10 properly, meanwhile, the time relay starts timing, and after the time relay timing is completed, the motor 30 and the turbine screw lifter 50 return to the initial position.

Finally, 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 the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (6)

1. An automatic skimming pipe, which is characterized in that: comprises a skimming pipe body (10), a shell (20), a motor (30), a speed reducing mechanism (40), a turbine screw rod lifter (50) and a screw rod (60);

the skimming pipe body (10) is of a circular pipe structure, and two radial sides of the skimming pipe body (10) are respectively provided with an elongated slot (70);

the shells (20) are arranged at two ends of the skimming pipe body (10), and two ends of the skimming pipe body (10) respectively penetrate through the shells (20) and are rotatably connected with the shells (20) through bearings;

the motor (30) is arranged in the shell (20);

the rotating shaft of the motor (30) is fixedly connected with the skimming pipe body (10) through a speed reducing mechanism (40);

the turbine lead screw lifter (50) is arranged in the shell (20), and the turbine lead screw lifter (50) is fixedly connected with the bottom of the shell (20);

the top of lead screw (60) runs through casing (20), and lead screw (60) and casing (20) sliding connection, turbine lead screw lift (50) and lead screw (60) threaded connection.

2. The automatic skimmer tube of claim 1, wherein: the speed reducing mechanism (40) 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 inside the shell (20), and the speed reduction shell (41) is fixedly connected with the bottom of the shell (20);

two ends of the gear shaft (42) penetrate through the speed reduction shell (41) respectively, and two ends of the gear shaft (42) are rotatably connected with two sides of the speed reduction shell (41) through bearings respectively;

two ends of the output shaft (43) penetrate through the speed reducing shell (41) respectively, and two ends of the output shaft (43) are rotatably connected with two sides of the speed reducing shell (41) through bearings respectively;

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 greater than that of the gear shaft (42);

the output shaft (43) and the gear shaft (42) are arranged in parallel, one end of the gear shaft (42) is fixedly connected with a rotating shaft of the motor (30), and the gear shaft (42) and the rotating shaft of the motor (30) are positioned on the same axis;

one end of the output shaft (43) is fixedly connected with the skimming pipe body (10), and the output shaft (43) and the skimming pipe body (10) are positioned on the same axis.

3. An automatic skimmer tube as claimed in claim 1 or 2, wherein: the number of the long grooves (70) on the left side of the skimming pipe body (10) is multiple, the number of the long grooves (70) on the right side of the skimming pipe body (10) is one, one long groove (70) on the right side and one long groove (70) on the front end on the left side are in the same radial direction, and one long groove (70) on the right side is communicated with the upper end opening of one long groove (70) on the front end on the left side.

4. An automatic skimmer tube as claimed in claim 3, wherein: the lower edge opening of each long groove (70) on the left side is on the same horizontal line, and the distance between every two adjacent long grooves (70) is equal.

5. The automatic skimmer tube of claim 4, wherein: the number of the turbine screw rod lifters (50) and the number of the screw rods (60) are two, and the two turbine screw rod lifters and the screw rods are respectively arranged at two ends of the skimming pipe body (10) in the length direction.

6. An automatic skimmer tube as claimed in claim 5, wherein: the automatic control device also comprises an automatic control structure, wherein the automatic control structure comprises a single chip microcomputer, two time relays and a liquid level sensor;

one of the time relays is arranged in a power supply circuit of the motor (30), and the other time relay is arranged in a power supply circuit of the turbine screw lifter (50);

the detection end of the liquid level sensor is arranged at the bottom of the outer side of the skimming pipe body (10), and the signal input end of the liquid level sensor is connected with the liquid level signal input end of the single chip microcomputer;

and the control signal output end of the singlechip is respectively connected with the motor (30) and the turbine screw lifter (50).

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