WO2022198718A1

WO2022198718A1 - Environmentally friendly wastewater treatment apparatus

Info

Publication number: WO2022198718A1
Application number: PCT/CN2021/085613
Authority: WO
Inventors: 张平; 鞠雪峰; 丁波涛; 李耀祖; 夏辉
Original assignee: 烟台云沣生态环境产业发展股份有限公司
Priority date: 2021-03-22
Filing date: 2021-04-06
Publication date: 2022-09-29
Also published as: CN112675740A; CN112675740B

Abstract

An environmentally friendly wastewater treatment apparatus, comprising a treatment box (1). A rotary shaft of a stirring motor (5) extends upwards into the treatment box (1) and is fixedly provided with a lower supporting plate (6); an inner sleeve (8) is mounted on a vertical shaft (7) and capable of sliding up and down; an outer sleeve (9) is rotatably mounted on the outer side of the inner sleeve (8); an upper supporting plate (10) is fixedly mounted on the outer sleeve (9); a plurality of telescopic stirring rods (11) are rotatably mounted between the lower supporting plate (6) and the upper supporting plate (10); the plurality of stirring rods (11) are uniformly arranged around the axis of the vertical shaft (7); an adjusting mechanism for driving the inner sleeve (8) to move up and down is provided in the vertical shaft (7).

Description

An environmental protection sewage treatment device

technical field

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device for environmental protection.

Background technique

Urban sewage is a common water pollution. The urban sewage treatment process generally determines the degree of sewage treatment and the corresponding treatment process according to the utilization or discharge of urban sewage and the natural purification capacity of the water body. Industry, agriculture or recharge of groundwater must meet the relevant water quality standards issued by the state.

In the sewage treatment system, flocculation technology is often used to treat sewage, so that the agglomeration of suspended particles in water or liquid becomes larger, or flocculation is formed, thereby accelerating the coagulation of particles and achieving the purpose of solid-liquid separation. In most of the prior art, a stirring device is arranged at the central position of the sewage pool, and a stirring blade is provided at the output end of the stirring device, and the stirring blade is used to stir the sewage. However, the position of most of the stirring blades is fixed. Changed, because the volume of sewage introduced into the stirring tank is not constant, when there is a lot of sewage flowing into the tank, the stirring blade is located in the deep part of the sewage to agitate the sewage, but the sewage in the upper layer cannot be effectively stirred, making the sewage in the sewage. Impurity-containing substances cannot be effectively mixed with the flocculant; and when less sewage is introduced and the stirring blade is not submerged, the stirring blade cannot effectively stir the sewage, which limits the normal use of the stirring device.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a sewage treatment device for environmental protection, the position of the stirring blade can be adjusted, and the stirring effect of sewage is good, so as to solve the problems in the prior art.

In order to solve the above-mentioned technical problems, the technical solution of the present invention is: an environmental protection sewage treatment device, comprising a treatment box, a water inlet pipe and a water outlet pipe are fixedly installed on the treatment box, and a dosing agent is also fixedly installed on the treatment box The bottom of the processing box is fixedly installed with a stirring motor, the rotating shaft of the stirring motor extends upward into the processing box and is fixedly installed with a lower support plate, and the top wall in the processing box is fixedly installed with a A vertical shaft coaxially arranged with the rotating shaft of the stirring motor, an inner sleeve is slidably installed on the vertical shaft, an outer sleeve is rotatably installed on the outer side of the inner sleeve, and an upper support plate is fixedly installed on the outer sleeve. A plurality of retractable stirring rods are rotatably installed between the lower support plate and the upper support plate, and a plurality of the stirring rods are evenly spaced around the axis of the vertical shaft. The adjustment mechanism for the inner sleeve to move up and down.

As a preferred technical solution, the stirring rod includes a main rod body extending vertically, and auxiliary rod bodies are installed in two ends of the main rod body to slide up and down respectively; An extended connecting shaft, the two connecting shafts are respectively connected to the upper support plate and the lower support plate in rotation, a rotating sleeve is rotatably installed on the connecting shaft, and the main rod body and the rotating sleeve are respectively A stirring blade is fixedly installed; the processing box is provided with a linkage mechanism for driving the stirring rod and the rotating sleeve to rotate.

As a preferred technical solution, the linkage mechanism includes a first gear that is coaxially and fixedly installed on one of the connecting shafts, and a first gear that meshes with the first gear is fixedly installed on the inner wall of the processing box. A ring gear, a second gear is coaxially and fixedly installed on the two connecting shafts, respectively, and a reversing gear meshing with the corresponding second gear is rotatably installed on the upper support plate and the lower support plate. , a second ring gear meshing with the corresponding reversing gear is fixedly installed on the rotating sleeve.

As a further improvement, an annular mounting plate is fixedly mounted on the outer side of the rotating sleeve, and the second ring gear is fixedly mounted on the mounting plate.

As a further improvement, the main rod body is in the shape of a square tube, the two auxiliary rod bodies are respectively inserted into two ends of the main rod body, and the ends of the two auxiliary rod bodies close to each other are respectively fixed with vertically extending teeth. A synchronizing gear is rotatably installed in the main rod body, and the two racks are respectively meshed with the two sides of the synchronizing gear.

As a further improvement, the auxiliary rod body is provided with a receiving groove for the rack connected to the other auxiliary rod body to enter.

As a further improvement, the vertical shaft is provided with a transversely extending through groove, and a sliding plate is installed in the through groove to slide up and down, and the sliding plate is fixedly connected to the inner wall of the inner sleeve.

As a preferred technical solution, the adjustment mechanism includes a vertically extending screw rod, the screw rod is rotated and installed in the through groove through a polished rod at the end, the sliding plate is threadedly connected to the screw rod, and the An adjusting motor for driving the screw rod to rotate is fixedly installed in the vertical shaft.

As a further improvement, a first sensor located above the upper support plate is fixedly installed on the inner sleeve, and a second sensor located below the upper support plate is also fixedly installed on the inner sleeve. A controller is fixedly installed in the processing box, and the regulating motor, the first sensor and the second sensor are respectively electrically connected to the controller; when the first sensor is below the liquid level, the controller The adjusting motor is driven to rotate forward to drive the inner sleeve to move upward, and when the second sensor is located above the liquid level, the controller drives the adjusting motor to reversely drive the inner sleeve to move downward.

Due to the adoption of the above technical solution, an environmental protection wastewater treatment device includes a treatment box, the rotating shaft of the stirring motor extends upward into the treatment box, and a lower support plate is fixedly installed, and the vertical shaft is slidably installed up and down. There is an inner sleeve, an outer sleeve is rotatably installed on the outer side of the inner sleeve, an upper support plate is fixedly installed on the outer sleeve, and a plurality of retractable stirring rods are rotatably installed between the lower support plate and the upper support plate, A plurality of the stirring rods are evenly spaced around the axis of the vertical shaft, and the vertical shaft is provided with an adjusting mechanism for driving the inner sleeve to move up and down;

In the present invention, when there is a lot of sewage in the treatment tank, the liquid level of the sewage is relatively high at this time, and the stirring rod is extended by the adjusting mechanism, so that the two rotating sleeves and the three sets of stirring blades on the main rod body are dispersed up and down below the liquid level of the sewage open, thereby improving the mixing effect of sewage and liquid medicine; or when there is less sewage in the treatment tank, the liquid level of sewage is low at this time, and the stirring rod is shortened by the adjusting mechanism, thereby driving the stirring blade on the upper rotating sleeve. And the stirring blade located on the main rod body is moved down and submerged below the liquid level of the sewage, and the three sets of stirring blades can effectively stir the sewage, thereby improving the stirring efficiency of the sewage, and has the advantages of easy adjustment and high applicability;

When the stirring motor of the present invention drives the stirring rod to rotate around the vertical axis, it drives the stirring blades on the main rod body to rotate around the stirring rod, and at the same time drives the stirring blades on the rotating sleeve to rotate in the opposite direction around the stirring rod, thereby intensifying the upper, middle and lower three The relative flow of sewage at different levels can improve the mixing effect of sewage and liquid medicine, and has the advantage of good stirring effect on sewage;

When the stirring rod of the present invention is extended or shortened, the synchronizing gear and the two racks cooperate with each other, so that the lengths of the two auxiliary rod bodies extending out of the main rod body or retracting into the main rod body are the same, so that the upper, middle and lower three The interval between the adjacent two groups of stirring blades is consistent, so as to improve the stirring effect of sewage, and has the advantage of more uniform stirring of sewage.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of an embodiment of the present invention;

Fig. 2 is the structural representation of stirring rod in Fig. 1;

3 is a schematic structural diagram of a vertical shaft according to an embodiment of the present invention;

Fig. 4 is the A-A sectional schematic diagram of the inner sleeve in Fig. 3;

Fig. 5 is the schematic diagram when the stirring rod of the embodiment of the present invention is extended;

Fig. 6 is the structural representation of stirring rod in Fig. 5;

7 is a schematic structural diagram of a main rod body according to an embodiment of the present invention.

In the picture: 1-treatment box; 2-water inlet pipe; 3-water outlet pipe; 4-dosing pipe; 5-stirring motor; 6-lower support plate; 7-vertical shaft; 8-inner sleeve; 9-outer jacket; 10 -upper support plate; 11-stirring rod; 12-main rod body; 13-auxiliary rod body; 14-connecting shaft; 15-rotating sleeve; 16-stirring blade; 17-first gear; 18-first ring gear; 19- The second gear; 20-reversing gear; 21-second ring gear; 22-installation plate; 23-rack; 24-synchronizing gear; ; 29-regulating motor; 30-first sensor; 31-second sensor; 32-controller.

Detailed ways

As shown in FIG. 1 to FIG. 7 , a waste water treatment device for environmental protection includes a treatment box 1, and a water inlet pipe 2 and a water outlet pipe 3 are fixedly installed on the treatment box 1, and the water inlet pipe 2 and the water outlet pipe 3 are fixedly installed thereon. Valves are respectively installed on the processing box 1, a dosing pipe 4 is also fixedly installed on the processing box 1, a stirring motor 5 is fixedly installed at the bottom of the processing box 1, and the rotating shaft of the stirring motor 5 extends upward to the processing A lower support plate 6 is fixedly installed in the box 1, and a vertical shaft 7 coaxially arranged with the rotating shaft of the stirring motor 5 is fixedly installed on the top wall in the processing box 1, and the vertical shaft 7 slides up and down. An inner sleeve 8 is installed, an outer sleeve 9 is rotatably installed on the outer side of the inner sleeve 8, an upper support plate 10 is fixedly installed on the outer sleeve 9, and a rotatable installation between the lower support plate 6 and the upper support plate 10 is provided. A plurality of retractable stirring rods 11 are evenly spaced around the axis of the vertical shaft 7 , and the vertical shaft 7 is provided with an adjusting mechanism for driving the inner sleeve 8 to move up and down.

As shown in FIG. 2 , the stirring rod 11 includes a main rod body 12 extending vertically, and auxiliary rod bodies 13 are installed in two ends of the main rod body 12 slidably up and down respectively; A vertically extending connecting shaft 14 is fixedly installed, and the two connecting shafts 14 are respectively rotatably connected to the upper support plate 10 and the lower support plate 6 , and a rotating sleeve 15 is rotatably installed on the connecting shaft 14 . The main rod body 12 and the rotating sleeve 15 are respectively fixed with stirring blades 16 ; the processing box 1 is provided with a linkage mechanism for driving the stirring rod 11 and the rotating sleeve 15 to rotate.

When in use, the sewage is injected into the treatment box 1 through the water inlet pipe 2, and the liquid medicine is injected into the treatment box 1 through the dosing pipe 4, and the lower support plate 6 is driven to rotate by the stirring motor 5. When the lower support plate 6 rotates, it drives a plurality of stirring rods. The 11 rotates around the vertical axis 7, and the sewage is stirred by the stirring rod 11 and the stirring blade 16, so that the sewage and the liquid medicine are mixed evenly.

In addition, when the stirring rod 11 rotates, it drives the upper support plate 10 and the outer sleeve 9 to rotate around the inner sleeve 8, and can drive the inner sleeve 8 to move up and down through the adjusting mechanism. The inner sleeve 8 drives the upper support plate 10 to move up and down through the outer sleeve 9, and the upper support plate 10 drives The stirring rod 11 is elongated or shortened, so that it is convenient to adjust the length of the stirring rod 11 according to the injection amount of the sewage in the treatment tank 1 , and improve the stirring effect of the sewage. Specifically, when there is a lot of sewage in the treatment tank 1, and the liquid level of the sewage is relatively high at this time, the adjustment mechanism drives the inner sleeve 8 to move up, and then drives the upper support plate 10 to move up, and the upper support plate 10 drives the stirring rod 11 to extend. , so that the two auxiliary rod bodies 13 protrude from the outside of the main rod body 12, and the main rod body 12 and the auxiliary rod body 13 located above move up relative to the auxiliary rod body 13 located below, so that the two rotating sleeves 15 and the three sets of stirring blades on the main rod body 12 16 is dispersed up and down below the liquid level of the sewage, and the stirring blades 16 on the upper rotating sleeve 15, the stirring blades on the main rod body 12 and the stirring blades 16 on the lower rotating sleeve 15 are respectively on the upper, middle and lower sides. The three levels of sewage are stirred, as shown in Figure 5, so as to improve the mixing effect of sewage and liquid medicine; or when there is less sewage in the treatment tank 1, the liquid level of the sewage is low at this time, and the inner sleeve is driven by the adjusting mechanism. 8 moves down, and then drives the upper support plate 10 to move down, and the upper support plate 10 drives the stirring rod 11 to shorten, so that the two auxiliary rod bodies 13 are retracted into the inner side of the main rod body 12. The auxiliary rod body 13 moves down, thereby driving the stirring blades 16 on the upper rotating sleeve 15 and the stirring blades 16 on the main rod body 12 to move down and submerge below the liquid level of the sewage. As shown in FIG. 1 , the three sets of stirring blades 16 are The sewage is effectively stirred, thereby improving the stirring effect of the sewage.

As shown in FIG. 1 and FIG. 2 , the linkage mechanism includes a first gear 17 that is coaxially and fixedly installed on one of the connecting shafts 14 , and the inner wall of the processing box 1 is fixedly installed with the first gear 17 . The first ring gear 18 meshing with the gears 17, the second gears 19 are respectively coaxially fixed on the two connecting shafts 14, and the upper support plate 10 and the lower support plate 6 are respectively rotatably installed with corresponding The reversing gear 20 meshing with the second gear 19 is coaxially fixed on the rotating sleeve 15 with a second ring gear 21 meshing with the corresponding reversing gear 20 .

Specifically, an annular mounting plate 22 is fixedly mounted on the outer side of the rotating sleeve 15 , and the second ring gear 21 is fixedly mounted on the mounting plate 22 .

When the stirring motor 5 drives the stirring rod 11 to rotate around the vertical shaft 7, the first ring gear 18 drives one of the connecting shafts 14 to rotate through the first gear 17, and the connecting shaft 14 drives the stirring rod 11 (the main rod body 12 and the auxiliary rod body 13) to rotate. , thereby driving the stirring blade 16 on the main rod body 12 to rotate around the stirring rod 11; in addition, when the stirring rod 11 rotates, the connecting shaft 14 and the second gear 19 drive the reversing gear 20 to rotate in the reverse direction. The second ring gear 21 and the mounting plate 22 drive the rotating sleeve 15 to rotate in the reverse direction around the stirring rod 11, the rotating sleeve 15 drives the stirring blade 16 on it to rotate in the reverse direction around the stirring rod 11, and the stirring blades on the rotating sleeve 15 located at the upper and lower ends 16 and the stirring blade 16 on the main rod body 12 in the middle rotate in opposite directions, thereby intensifying the relative flow of sewage at the upper, middle and lower levels, thereby improving the mixing effect of sewage and liquid medicine.

As shown in FIG. 2 and FIG. 7 , the main rod body 12 is in the shape of a square tube, the two auxiliary rod bodies 13 are respectively inserted into two ends of the main rod body 12 , and the ends of the two auxiliary rod bodies 13 that are close to each other are respectively A vertically extending rack 23 is fixedly installed, a synchronizing gear 24 is rotatably installed in the main rod body 12 , and the two racks 23 are meshed on both sides of the synchronizing gear 24 respectively.

When the stirring rod 11 is extended or shortened, the synchronizing gear 24 and the two racks 23 cooperate with each other, so that the lengths of the two auxiliary rod bodies 13 extending out of the main rod body 12 or retracting into the main rod body 12 are the same, so that the upper and middle , The intervals between the adjacent two groups of the next three groups of stirring blades 16 are the same, so as to improve the stirring efficiency of sewage.

The auxiliary rod body 13 is provided with a receiving groove 25 for the rack 23 connected to the other auxiliary rod body 13 to enter.

When the stirring rod 11 is shortened, the two auxiliary rod bodies 13 are retracted into the main rod body 12, and the auxiliary rod body 13 drives the rack 23 on it to enter the receiving groove 25 on the other auxiliary rod body 13, thereby improving the compactness of the structure.

As shown in FIG. 3 and FIG. 4 , the vertical shaft 7 is provided with a transversely extending through groove 26 , and a sliding plate 27 is slidably installed in the through groove 26 , and the sliding plate 27 is fixedly connected to the inner sleeve 8 . On the inner wall, the sliding plate 27 is used to limit the rotation of the inner sleeve 8 around the vertical axis 7 .

The adjustment mechanism includes a vertically extending screw rod 28, the screw rod 28 is rotated and installed in the through groove 26 through a polished rod at the end, and the sliding plate 27 is screwed on the screw rod 28, and the vertical An adjusting motor 29 for driving the screw rod 28 to rotate is fixedly installed in the shaft 7 .

Specifically, by adjusting the forward rotation of the motor 29 and driving the lead screw 28 to rotate forward, the sliding plate 27 drives the inner sleeve 8 to move up along the vertical axis 7 when the lead screw 28 rotates forward; or by adjusting the motor 29 to reverse and drive the lead screw 28 to reverse When the screw 28 is reversed, the sliding plate 27 drives the inner sleeve 8 to move down along the vertical axis 7 .

A first sensor 30 located above the upper support plate 10 is fixedly installed on the inner sleeve 8, and a second sensor 31 located below the upper support plate 10 is also fixedly installed on the inner sleeve 8, so A controller 32 is fixedly installed in the processing tank 1, and the regulating motor 29, the first sensor 30 and the second sensor 31 are respectively electrically connected to the controller 32; when the first sensor 30 is located in the liquid When the surface is below the liquid level, the controller 32 drives the regulating motor 29 to rotate forward to drive the inner sleeve 8 to move up. When the second sensor 31 is above the liquid level, the controller 32 drives the regulating motor 29 The reversal drives the inner sleeve 8 to move down.

Specifically, after the sewage is injected, the power of the controller 32 is turned on. If the first sensor 30 detects that the liquid level of the sewage has not passed the upper support plate 10, the controller 32 drives the regulating motor 29 to rotate forward to drive the inner sleeve 8 to move up, thereby Drive the stirring rod 11 to extend, so that the three sets of stirring blades 16 are dispersed up and down; if the second sensor 31 detects that the level of the sewage has not passed the upper support plate 10, the controller 32 drives the adjusting motor 29 to reversely drive the inner sleeve 8 down Move, thereby driving the stirring rod 11 to shorten, thereby driving the stirring blade 16 on the upper rotating sleeve 15 and the stirring blade 16 on the main rod body 12 to move down and submerge below the liquid level of the sewage.

The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims

A sewage treatment device for environmental protection, which is characterized in that it includes a treatment box, a water inlet pipe and a water outlet pipe are fixedly installed on the treatment box, and a dosing pipe is also fixedly installed on the treatment box, and the bottom of the treatment box is fixed A stirring motor is installed, the rotating shaft of the stirring motor extends upward into the processing box and a lower support plate is fixedly installed, and the top wall in the processing box is fixedly installed with the rotating shaft of the stirring motor. A vertical shaft set on the shaft, an inner sleeve is installed on the vertical shaft to slide up and down, an outer sleeve is rotatably installed on the outer side of the inner sleeve, and an upper support plate is fixedly installed on the outer sleeve, and the lower support plate and the upper support plate are installed on the outer sleeve. A plurality of retractable stirring rods are rotatably installed between the plates, and the stirring rods are evenly spaced around the axis of the vertical shaft. The vertical shaft is provided with an adjusting mechanism for driving the inner sleeve to move up and down.
The sewage treatment device for environmental protection according to claim 1, wherein the stirring rod comprises a main rod body extending vertically, and auxiliary rod bodies are installed in two ends of the main rod body to slide up and down respectively; The ends of the auxiliary rods away from each other are respectively fixed and installed with vertically extending connecting shafts, and the two connecting shafts are respectively rotatably connected to the upper support plate and the lower support plate. The main rod body and the rotating sleeve are respectively fixed with stirring blades; the processing box is provided with a linkage mechanism for driving the stirring rod and the rotating sleeve to rotate.
The environmental protection sewage treatment device according to claim 2, wherein the linkage mechanism comprises a first gear coaxially fixed on one of the connecting shafts, and the inner wall of the treatment box is fixed on the inner wall. A first ring gear meshing with the first gear is installed, a second gear is fixed coaxially on the two connecting shafts, and the upper support plate and the lower support plate are respectively rotatably installed with For the reversing gears meshing with the corresponding second gears, a second ring gear meshing with the corresponding reversing gears is coaxially and fixedly mounted on the rotating sleeve.
The environmental protection sewage treatment device according to claim 3, wherein an annular mounting plate is fixedly installed on the outer side of the rotating sleeve, and the second ring gear is fixedly installed on the mounting plate.
The sewage treatment device for environmental protection according to claim 1, wherein the main rod body is in the shape of a square tube, and the two auxiliary rod bodies are respectively inserted into the two ends of the main rod body, and the two auxiliary rod bodies are respectively inserted into the two ends of the main rod body. The mutually close ends of the rod bodies are respectively fixedly installed with vertically extending racks, the main rod body is rotatably installed with synchronizing gears, and the two racks are respectively meshed with the two sides of the synchronizing gears.
The sewage treatment device for environmental protection according to claim 5, wherein the auxiliary rod body is provided with a receiving groove into which the rack connected to the other auxiliary rod body enters.
The sewage treatment device for environmental protection according to claim 1, wherein the vertical shaft is provided with a transversely extending through groove, a sliding plate is installed in the through groove to slide up and down, and the sliding plate is fixedly connected to the on the inner wall of the inner sleeve.
The environmental protection sewage treatment device according to claim 7, wherein the adjustment mechanism comprises a vertically extending screw rod, and the screw rod is rotated and installed in the through groove through the polished rod at the end, so that the The sliding plate is threaded on the screw rod, and an adjusting motor for driving the screw rod to rotate is fixedly installed in the vertical shaft.
The environmental protection sewage treatment device according to claim 8, wherein a first sensor located above the upper support plate is fixedly installed on the inner sleeve, and a first sensor located above the upper support plate is fixedly installed on the inner sleeve. The second sensor below the upper support plate, a controller is fixedly installed in the processing box, and the regulating motor, the first sensor and the second sensor are respectively electrically connected to the controller; when all the When the first sensor is located below the liquid level, the controller drives the adjustment motor to rotate forward to drive the inner sleeve to move up; when the second sensor is located above the liquid level, the controller drives the adjustment motor The reversal drives the inner sleeve to move down.