CN212532458U

CN212532458U - Surging type aerator for river sewage treatment

Info

Publication number: CN212532458U
Application number: CN202021217830.7U
Authority: CN
Inventors: 孙绍平; 游清; 孙绍伟
Original assignee: Guangdong Huabi Environmental Protection Co ltd
Current assignee: Guangdong Huabi Environmental Protection Co ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-02-12
Anticipated expiration: 2030-06-28

Abstract

The utility model relates to a river course sewage treatment is with surging formula oxygen-increasing machine, it includes the body and installs the supporting seat on the body, be equipped with elevator motor in the supporting seat, the elevator motor transmission is connected with gear reduction box, be connected with reciprocal lead screw on gear reduction box's the output, the one end of reciprocal lead screw pierces through the supporting seat, the other end threaded connection of reciprocal lead screw has places the case, the supporting seat with place and be equipped with the slide bar between the case, the one end of slide bar pierces through places the case, it is equipped with agitator motor to place the incasement, agitator motor's output is connected with the (mixing) shaft, the. This application has the intensive mixing of messenger's lower floor water and upper water to make the whole dissolved oxygen of water even, so that the effect of water self-purification ability reinforcing.

Description

Surging type aerator for river sewage treatment

Technical Field

The application relates to the technical field of sewage treatment, in particular to a surge type aerator for river sewage treatment.

Background

With the coming of the industrialized age and the acceleration of the urbanization process, a large amount of domestic wastewater is discharged into a river channel, so that the water pollution of town areas and nearby water areas is more serious.

The garbage contained in the domestic wastewater is mainly divided into organic matters, inorganic matters and suspended solids, when the dissolved oxygen in the river water is not enough to completely decompose the foreign organic matters, the organic matters are continuously accumulated and decomposed and consumed by anaerobic bacteria, the anaerobic bacteria reproduce to generate substances such as hydrogen sulfide, and when the hydrogen sulfide is accumulated to a certain degree, the river water becomes black and smelly. Therefore, the excessive discharge of domestic wastewater and the insufficient dissolved oxygen of water are one of the main causes of water environment pollution, and the improvement of the dissolved oxygen of water is one of the simple and effective methods for treating the water environment pollution.

The existing oxygenation machines for water bodies are commonly used as a water wheel type aerator, a rotating wheel aerator, a micropore aeration aerator, a surge type aerator and the like, wherein the surge type aerator has low power consumption and good oxygenation effect and is commonly used for river oxygenation.

The current surge type oxygen increasing machine generally comprises a floating body, a motor, a gear reduction box, devices such as impeller, the during operation of the surge type oxygen increasing machine, the water is accelerated at the stirring effect of impeller, the fluid pressure at the rotation center of impeller is reduced, lower layer water flow is sprayed upwards under the atmospheric pressure effect, thereby increasing the gas-liquid contact area, in order to improve the dissolved oxygen content of the water, the upper layer water is then radially wavy to surging all around along the surface of water under impeller's effect, the dissolved oxygen region of the water has been enlarged.

In view of the above-mentioned related technologies, the inventor believes that there is a defect that when water is deep, because the stirring depth of the stirring impeller is fixed, the stirring effect of the stirring impeller on the lower water body is not good when the stirring impeller rotates, so that the lower water body and the upper water body are not sufficiently mixed, and the whole oxygen content of the water body is not uniform enough.

SUMMERY OF THE UTILITY MODEL

In order to be the dissolved oxygen of water evenly, this application provides a surge formula oxygen-increasing machine that river course sewage treatment used.

The application provides a pair of surge formula oxygen-increasing machine that river course sewage treatment used adopts following technical scheme:

the utility model provides a surge formula oxygen-increasing machine that river course sewage treatment used, include the body and install in supporting seat on the body, be equipped with elevator motor in the supporting seat, the elevator motor transmission is connected with reciprocal lead screw, reciprocal lead screw is kept away from elevator motor's one end threaded connection has places the case, the supporting seat with place and be equipped with the slide bar between the case, the one end fixed connection of slide bar in the diapire of supporting seat, the other end of slide bar pierces through place the case, place the incasement and be equipped with agitator motor, agitator motor is connected with the (mixing) shaft, the one end of (mixing) shaft pierces through place the case, the (mixing) shaft pierces through place one of case and serve fixedly connected.

By adopting the technical scheme, the lifting motor is started to drive the reciprocating screw rod to rotate, the placing box is in threaded connection with the reciprocating screw rod, and the slide rod has a limiting effect on the placing box, so that when the reciprocating screw rod rotates, the placing box does reciprocating motion along the length direction of the multifilament rod, and simultaneously the stirring motor is started to rotate the stirring impeller, the flow speed of water is accelerated under the stirring effect of the stirring impeller, the fluid pressure of the rotating central part of the surge machine is reduced, the lower layer water flow rises under the action of atmospheric pressure, the upper layer water body gushes around along the radial direction of the water surface, and when the stirring impeller rotates, the stirring impeller does reciprocating motion along the length direction of the multifilament rod, so that the fluidity of the water body in the vertical direction is enhanced, the lower layer water body is fully mixed with the upper layer water body, and a large-range three-dimensional circulating, so that the water body dissolves oxygen uniformly.

Preferably, the floating body is provided with rope pulling holes which are uniformly distributed around the central axis of the reciprocating screw rod.

Through adopting above-mentioned technical scheme, if the oxygen-increasing machine during operation in the river course, the oxygen-increasing machine is not fixed, then the easy condition that takes place to remove even turn on one's side of oxygen-increasing machine, through having seted up the stay cord hole on the body, when the river course is narrower, can stretch the stay cord to the river course both sides and fix the stay cord, when the river course broad, can squeeze into the stake in the river course, then lock the one end of stay cord on the stake, so that the oxygen-increasing machine is fixed to float on the river course, so that when elevator motor rotated, the oxygen-increasing machine was difficult for removing and turning on one's side, make the oxygen-increasing machine.

Preferably, the floating body is provided with a plurality of clamps, the clamps are fixedly connected with connecting rods, and one ends of the connecting rods, which are far away from the clamps, are connected to the supporting seat.

Through adopting above-mentioned technical scheme, because of the clamp pass through the bolt with the body locking, the one end fixed connection of connecting rod in the periphery of clamp, the other end of connecting rod is connected in the lateral wall of supporting seat for body and supporting seat fixed connection, so that the oxygen-increasing machine can float on the surface of water, so that the completion oxygenation work that the oxygen-increasing machine can be better.

Preferably, the clamps are evenly distributed around the central axis of the reciprocating screw rod.

Through adopting above-mentioned technical scheme, because of the clamp around the even interval distribution of center pin of reciprocal lead screw for the body is connected more firmly with the supporting seat, makes the oxygen-increasing machine in the course of the work, and the oxygen-increasing machine is difficult for having the condition of turning on one's side to take place, so that the motor keeps better operating condition.

Preferably, the joint of the floating body and the clamp is sunken to form a limiting groove, and the clamp is located in the limiting groove.

Through adopting above-mentioned technical scheme, be equipped with the spacing groove through the junction at body and clamp, the spacing groove plays the positioning action to the clamp to make things convenient for the installation of clamp, so that the clamp can be accurate around the even interval distribution of the axis of reciprocal lead screw.

Preferably, one end of the reciprocating screw rod, which is far away from the lifting motor, is fixedly connected with a non-slip block.

By adopting the technical scheme, the anti-slip block is fixedly connected to one end, far away from the gear reduction box, of the reciprocating screw rod, so that the placing box is not easy to fall off from the reciprocating screw rod due to the influence of self gravity.

Preferably, the stirring impeller comprises a plurality of stirring blades and a rotating wheel, the stirring blades are distributed on the outer surface of the rotating wheel, and the stirring blades are uniformly distributed around the central axis of the stirring shaft.

Through adopting above-mentioned technical scheme, through setting up stirring vane around the axis evenly distributed of (mixing) shaft for stirring vane is at rotatory in-process, and stirring vane is more even to the stirring of water, so that the dissolved oxygen volume of water is more even.

Preferably, the stirring blade is arranged obliquely to a central axis of the stirring shaft.

Through adopting above-mentioned technical scheme, because of stirring vane is inclined to the center pin setting of (mixing) shaft for the area of contact increase of stirring vane and water, thereby strengthen the stirring effect of stirring vane to the water.

Preferably, the stirring blade is provided with a plurality of water filtering holes.

Through adopting above-mentioned technical scheme, it has a plurality of drainage holes to open through on stirring vane for stirring vane reduces at the resistance of the water that rotatory in-process received, and then makes stirring motor's load reduce, with extension stirring motor's life.

Preferably, a first bearing is arranged at the joint of the reciprocating screw rod and the supporting seat, and the reciprocating screw rod is rotatably connected with the supporting seat through the first bearing.

Through adopting above-mentioned technical scheme, be equipped with first bearing through the junction at reciprocal lead screw and supporting seat for when reciprocal lead screw rotated, frictional force between reciprocal lead screw and the supporting seat reduced, thereby reduced elevator motor's load, in order to prolong elevator motor's life.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the stirring impeller reciprocates along the length direction of the multifilament rod while rotating, so that the fluidity of the water body in the vertical direction is enhanced, the lower layer water is continuously lifted to be mixed with the upper layer water, a large-range three-dimensional circulating water flow is formed, the water body is fully contacted with the air, and the dissolved oxygen of the water body is uniform;

2. the stirring blades are uniformly distributed around the central shaft of the stirring shaft at intervals, so that the stirring blades stir the water body more uniformly in the rotating process of the stirring blades, and the dissolved oxygen of the water body is more uniform;

3. through being equipped with the spacing groove in the junction of body and clamp, the spacing groove plays the positioning action to the clamp to make things convenient for the installation of clamp, so that the clamp can be more accurate around the even interval distribution of center pin of reciprocal lead screw.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

fig. 2 is a schematic view of the internal structure of the embodiment of the present application.

Description of reference numerals: 1. a float; 2. a lifting motor; 3. a gear reduction box; 4. a supporting seat; 5. a reciprocating screw rod; 6. placing a box; 7. a slide bar; 8. a stirring motor; 9. a stirring shaft; 10. a stirring impeller; 101. a stirring blade; 102. a rotating wheel; 11. water filtering holes; 12. a slip-resistant block; 13. a limiting groove; 14. clamping a hoop; 15. a connecting rod; 16. a rope pulling hole; 17. a first bearing; 18. a second bearing.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The embodiment of the application discloses surge formula oxygen-increasing machine that river course sewage treatment used, refer to fig. 1, including floating body 1 on the surface of water, body 1 is made for the plastics material, and body 1 is the ring form setting, the inside cavity of body 1. The floating body 1 is provided with a plurality of stay cord holes 16, the stay cord holes are positioned at the outer side of the floating body 1, and the stay cord holes 16 are uniformly distributed around the central shaft of the floating body 1 at intervals.

The outer side wall of the floating body 1 is provided with a plurality of limiting grooves 13, and the limiting grooves 13 are distributed around the central shaft of the floating body 1 at even intervals. A plurality of hoops 14 are arranged on the floating body 1, the number of the hoops 14 is consistent with that of the limiting grooves 13, and the hoops 14 are fixedly connected in the limiting grooves 13. The clamp 14 is fixedly connected with a connecting rod 15, one end, far away from the clamp 14, of the connecting rod 15 is connected with a supporting seat 4 through a bolt and a thread, and the supporting seat 4 is located in the center of the floating body 1.

Referring to fig. 2, a lifting motor 2 is arranged in the supporting seat 4, a gear reduction box 3 is connected to an output shaft of the lifting motor 2, and an output shaft of the lifting motor 2 is in transmission connection with an input end of the gear reduction box 3. The output end of the gear reduction box 3 is fixedly connected with a reciprocating screw rod 5, one end, far away from the lifting motor 2, of the reciprocating screw rod 5 penetrates through the bottom wall of the supporting seat 4, a first bearing 17 is arranged at the joint of the reciprocating screw rod 5 and the supporting seat 4, the reciprocating screw rod 5 is rotatably connected with the supporting seat 4 through the first bearing 17, and one end, far away from the supporting seat 4, of the reciprocating screw rod 5 is connected with a water stirring device.

The water stirring device comprises a placing box 6, one end of the reciprocating screw 5, which is far away from the supporting seat 4, penetrates through the placing box 6, a ball screw nut is fixedly connected at the joint of the placing box 6 and the reciprocating screw 5, and the reciprocating screw 5 is connected with the ball screw nut in a matching way; when the reciprocating screw 5 rotates, the placing box 6 reciprocates along the length direction of the reciprocating screw 5. One end of the reciprocating screw rod 5, which is far away from the lifting motor 2, is fixedly connected with a slip-stopping block 12, and the slip-stopping block 12 is used for limiting the placing box 6 from falling off from the reciprocating screw rod 5. Supporting seat 4 with place and be equipped with a plurality of slide bars 7 between the case 6, a plurality of slide bars 7 are around the central axis circumference evenly distributed of reciprocal lead screw 5, the central axis of slide bar 7 is on a parallel with the central axis setting of reciprocal lead screw 5, the one end fixed connection of slide bar 7 is in the diapire of supporting seat 4, the other end of slide bar 7 pierces through places case 6, slide bar 7 with place case 6 sliding connection.

Place case 6 and be cylindric setting, place 6 inside hollows of case, be equipped with agitator motor 8 in placing case 6, agitator motor 8 eccentric mounting is in placing case 6, and agitator motor 8 is waterproof motor. Agitator motor 8 is connected with (mixing) shaft 9, and agitator motor 8's one end is kept away from to (mixing) shaft 9 pierces through the diapire of placing case 6, (mixing) shaft 9 is equipped with second bearing 18 with the junction of placing case 6, (mixing) shaft 9 with place case 6 and pass through second bearing 18 and rotate and be connected, and (mixing) shaft 9 pierces through the one end fixedly connected with impeller 10 of placing case 6.

The stirring impeller 10 includes a plurality of stirring blades 101 and a rotating wheel 102, the rotating wheel 102 is disposed in a conical shape, a tip end of the rotating wheel 102 is disposed in a direction away from the stirring motor 8, the rotating wheel 102 is disposed in a hollow shape, and a large end of the rotating wheel 102 has an opening. The stirring blades 101 are fixed on the conical surface of the rotating wheel 102, the stirring blades 101 are uniformly distributed around the circumference of the central axis of the stirring shaft 9, the stirring blades 101 are arranged obliquely to the stirring shaft 9, and the stirring blades 101 are provided with a plurality of water filtering holes 11.

The embodiment of the application provides an implementation principle of a surge type aerator for river sewage treatment: when the river channel is oxygenated, the pull rope is tied on the pull rope hole 16, the aerator is placed in the river channel, and when the river channel is narrow, the pull rope can be pulled to two sides of the river channel and fixed; when the river channel is wide, a timber pile can be driven into the river channel, and then one end of the pull rope is fastened on the timber pile, so that the aerator can stably float on the river channel.

The lifting motor 2 is started to drive the reciprocating screw rod 5 to rotate, the placing box 6 is in threaded connection with the reciprocating screw rod 5, and the sliding rod 7 plays a limiting role in the placing box 6, so that when the reciprocating screw rod 5 rotates, the placing box does reciprocating motion along the length direction of the reciprocating screw rod 5.

The stirring motor 8 is started to enable the stirring impeller 10 to rotate, the water body is accelerated in flow speed under the stirring action of the stirring impeller 10, the fluid pressure of the rotation center part of the stirring impeller 10 is reduced, the lower-layer water flow rises under the action of atmospheric pressure, and the upper-layer water body gushes around along the radial direction of the water surface. Because of agitator motor 8 is located places the incasement for when impeller 10 rotated, impeller 10 was reciprocating motion along reciprocating screw 5's length direction, thereby had strengthened the mobility of the vertical direction of water, made lower floor's water and upper water intensive mixing, thereby constituted a three-dimensional circulation rivers on a large scale, made lower floor's water can move to the upper strata, thereby abundant and air contact, so that the oxygenation of water is even.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a river course sewage treatment uses surges formula oxygen-increasing machine, include body (1) and install in supporting seat (4) on body (1), its characterized in that: be equipped with elevator motor (2) in supporting seat (4), elevator motor (2) transmission is connected with reciprocal lead screw (5), reciprocal lead screw (5) are kept away from the one end threaded connection of elevator motor (2) places case (6), supporting seat (4) with place and be equipped with slide bar (7) between case (6), the one end fixed connection of slide bar (7) in the diapire of supporting seat, the other end of slide bar (7) pierces through place case (6), it is equipped with agitator motor (8) in case (6) to place, agitator motor (8) are connected with (mixing) shaft (9), the one end of (mixing) shaft (9) pierces through place case (6), (mixing) shaft (9) pierce through place one of case (6) and serve fixedly connected with impeller (10).

2. The surge type aerator for river sewage treatment according to claim 1, which is characterized in that: the floating body (1) is provided with a stay cord hole (16), and the stay cord holes (16) are uniformly distributed around the circumference of the central axis of the reciprocating screw rod (5).

3. The surge type aerator for river sewage treatment according to claim 1, which is characterized in that: the floating body (1) is provided with a plurality of clamps (14), the clamps (14) are fixedly connected with connecting rods (15), and the connecting rods (15) are far away from one ends of the clamps (14) and are connected onto the supporting seat (4).

4. The surge type aerator for river sewage treatment according to claim 3, wherein the aerator comprises: the clamps (14) are uniformly distributed around the central axis of the reciprocating screw rod (5).

5. The surge type aerator for river sewage treatment according to claim 3, wherein the aerator comprises: the connection part of the floating body (1) and the hoop (14) is sunken to form a limiting groove (13), and the hoop (14) is fixedly connected in the limiting groove (13).

6. The surge type aerator for river sewage treatment according to claim 1, which is characterized in that: one end of the reciprocating screw rod (5) far away from the lifting motor (2) is fixedly connected with a non-slip block (12).

7. The surge type aerator for river sewage treatment according to claim 1, which is characterized in that: the stirring impeller (10) comprises a plurality of stirring blades (101) and a rotating wheel (102), and the stirring blades (101) are uniformly distributed on the outer surface of the rotating wheel (102) around the central axis of the stirring shaft (9).

8. The surge type aerator for river sewage treatment according to claim 7, wherein the aerator comprises: the stirring blades (101) are arranged obliquely to the central axis of the stirring shaft (9).

9. The surge type aerator for river sewage treatment according to claim 8, wherein the aerator comprises: the stirring blade (101) is provided with a plurality of water filtering holes (11).

10. The surge type aerator for river sewage treatment according to claim 1, which is characterized in that: the connecting part of the reciprocating screw rod (5) and the supporting seat (4) is provided with a first bearing (17), and the reciprocating screw rod (5) and the supporting seat (4) are rotatably connected through the first bearing (17).