CN215028162U

CN215028162U - Dosing device for sewage or sludge treatment

Info

Publication number: CN215028162U
Application number: CN202120825350.7U
Authority: CN
Inventors: 雷振
Original assignee: Sichuan Kuiqing Environmental Protection Technology Co ltd
Current assignee: Sichuan Kuiqing Environmental Protection Technology Co ltd
Priority date: 2021-04-21
Filing date: 2021-04-21
Publication date: 2021-12-07
Anticipated expiration: 2031-04-21

Abstract

The application discloses a dosing device for sewage or sludge treatment, which is used for adding medicaments into sewage or sludge, and comprises a rack, a medicament storage box and a dosing mechanism, wherein the medicaments in the medicament storage box are added into the sewage or sludge through a dosing pipe, and the dosing pipe is fixedly arranged on the rack; the stirring mechanism is positioned in the sewage or the sludge and enables the medicament and the sewage to be uniformly mixed through stirring, and the stirring mechanism comprises a driving assembly and a plurality of stirring assemblies which rotate around the same axis and are movably arranged on the rack. This application will add medicine mechanism and the integrated setting of rabbling mechanism for the maintenance of rabbling mechanism does not influence going on sewage treatment flow with the change, has improved the independence of rabbling mechanism for sewage container and the convenience of maintenance.

Description

Dosing device for sewage or sludge treatment

Technical Field

The application relates to the field of sewage treatment equipment, in particular to a dosing device for sewage or sludge treatment.

Background

In the process flow of sewage treatment or sludge treatment, medicaments are often required to be added to improve the treatment efficiency or the treatment effect, and the added medicaments can be divided into a flocculating agent, a coagulant aid, a demulsifier, an acid-base neutralizing agent and the like according to the action. Taking a flocculating agent as an example, the primary treatment in sewage mainly utilizes methods such as flocculation precipitation and solid-liquid separation to reduce a large amount of solid matters in a suspended state in sewage, wherein the solid matters suspended in sewage are in a free state due to the characteristics of light weight, small particles and the like, so that the solid matters are difficult to separate from the sewage, and the direct separation efficiency is low. Therefore, water and sludge can be separated with higher efficiency and better separation effect during primary treatment, and then the separated sewage and sludge are respectively subjected to harmless treatment. In addition, after the sewage enters the treatment process, the pH value or other properties of the sewage are not suitable for sewage treatment equipment due to the source of the sewage, so that the damage to the equipment is large. Therefore, in some sewage treatment processes, the pH value of the collected sewage is detected, and then a medicament is added to adjust the pH value to a proper pH value; or for oil-containing sewage, adding a demulsifier to separate oil and water in the sewage, and the like.

In order to uniformly mix the medicament and the sewage, the conventional medicament adding mode usually selects to mix the medicament and the sewage at a water inlet, and then a stirring device arranged in a water tank is used for stirring, so that the medicament and the sewage are further uniformly mixed. The mode that this kind of agitating unit and charge device set up respectively has increased agitating unit's in the pond maintenance degree of difficulty and the equipment management degree of difficulty.

SUMMERY OF THE UTILITY MODEL

In order to solve that prior art exists and need the difference problem for making medicament and sewage misce bene, this application provides a sewage or charge device for sludge treatment that medicine mechanism and rabbling mechanism integration set up.

In order to achieve the purpose, the technical scheme adopted by the application is as follows:

a dosing device for sewage or sludge treatment is used for adding medicaments into sewage or sludge, and comprises a frame, a dosing mechanism and a medicament storage box, wherein the medicaments in the medicament storage box are added into the sewage or sludge through a medicament feeding pipe which is fixedly arranged on the frame; the stirring mechanism is positioned in the sewage or the sludge and enables the medicament and the sewage to be uniformly mixed through stirring, and the stirring mechanism comprises a driving assembly and a plurality of stirring assemblies which rotate around the same axis and are movably arranged on the rack.

The charge device in this scheme is direct to add the medicament in sewage or sludge treatment pond or the sewage treatment jar body, and it is integrated to set up to a device with rabbling mechanism, can accomplish simultaneously through an equipment and add the action of medicine and stirring, can also increase the integrated level of equipment, reduces the management degree of difficulty of equipment. In addition, agitating unit in this scheme does not have the inside at sewage container than prior art, but is connected with medicine mechanism, when the rabbling mechanism need maintain or change, can be under the condition that does not influence sewage treatment pond operating condition, with medicine adding device or the whole dismantlement of rabbling mechanism change, then maintain the rabbling mechanism among them. It is worth to say that the stirring subassembly in this scheme is the subassembly that accomplishes the action of stirring sewage with self activity, according to current stirring subassembly, it includes stirring vane and the drive mechanism who is used for being connected stirring vane and drive assembly at least, adopts the structure that a plurality of stirring subassemblies rotate around same center pin, according to the characteristics that adds medicine stirring and often keep slower rotational speed actually, and a plurality of dispersed stirring subassemblies can increase the stirring scope, and can guarantee abundant stirring under the condition of low rotational speed.

Further, the driving assembly comprises a motor and a transmission assembly which is simultaneously connected with the motor and the stirring assembly and transmits the power output by the motor to the stirring assembly in a speed reduction manner. The motor in this scheme is as the power supply output power of stirring subassembly activity, and transmission assembly not only plays the motor to the transmission effect of stirring subassembly, still plays the effect of speed reduction for keep lower rotational speed when the stirring subassembly is driven.

Further, drive assembly includes driving gear, transmission frame, driven gear and ring gear, driving gear and motor output shaft, driving gear and transmission frame fixed connection rotate on the transmission frame and are connected with a plurality of driven gear, driven gear around driving gear axis evenly distributed and with the driving gear external toothing, driven gear and the (mixing) shaft connection among the stirring subassembly, ring gear and all driven gear internal engagements.

During operation, the driving gear rotates under the effect of motor, and the driving gear rotates thereupon, and driven gear is when rotating along with the driving gear around the driving gear axis along with the driving gear, because its teeth of a cogwheel and driving gear external toothing, with the ring gear internal toothing, then driven gear is when rotating around the driving gear, self produces the rotation, driven gear's activity drive rather than the (mixing) shaft motion of being connected.

Further, the stirring assembly comprises a stirring shaft connected with the driven gear through a bearing. The (mixing) shaft in this scheme is owing to be connected through the bearing between with driven gear to under the condition that drive assembly lasts output power, driven gear keeps the rotation state for the (mixing) shaft all the time, and the (mixing) shaft itself does not rotate and rotates around the axis of driving gear. In conclusion, the stirring principle of the scheme is that the stirring is completed by the revolution of a plurality of stirring shafts around the axis of the driving gear.

Furthermore, at least two stirring blades are fixedly connected to the stirring shaft. Stirring vane rotates around the axis of driving gear along with the (mixing) shaft, and stirring vane is as the extension of (mixing) shaft, can further increase stirring range, improves the stirring effect. The choice of the stirring blade depends on various factors such as the viscosity of the liquid and the type of the drug, for example, a propeller type stirring blade is suitable for a medium or low viscosity liquid, and a gate type stirring blade is suitable for a high viscosity and settling liquid.

Furthermore, the stirring blade consists of two frame type stirring paddles which are symmetrical along the axis of the stirring shaft. Although the frame type stirrer is more suitable for stirring high-concentration slurry and settleable liquid, the application scenes of the chemical adding device in the application of the application device mainly comprise adding a dehydrating agent into sludge or adding a flocculating agent in the primary treatment of sewage, and the like, although the scenes are only a small part in the sewage or sludge treatment, in other sewage or sludge treatment processes, such as the scene of adding a disinfectant in the later period of sewage treatment, the liquid viscosity is lower, and because the rotating speed of the stirring shaft around the driving gear is lower, the frame type stirring paddle is more beneficial to uniformly mixing a medicament in the sewage under the condition of reducing the aerobic or anaerobic reaction to the sewage.

Further, the frame includes annular base and top cap with ring gear bottom and top normal running fit respectively to and with base normal running fit and with (mixing) shaft fixed connection's chassis, base, chassis and top cap cooperation form the enclosure space that is used for holding drive assembly.

The application has the beneficial effects that: this application will add medicine mechanism and the integrated setting of rabbling mechanism for the maintenance of rabbling mechanism does not influence going on sewage treatment flow with the change, has improved the independence of rabbling mechanism for sewage container and the convenience of maintenance.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a front view of the present application;

FIG. 2 is a schematic diagram of the overall structure of the present application;

FIG. 3 is a schematic structural view of a stirring mechanism in the present application;

FIG. 4 is an exploded view of the stirring mechanism of the present application;

fig. 5 is a schematic structural view of the stirring mechanism according to the present application after the transmission frame is disassembled.

In the figure: 1-a medicine storage box; 2-a medicine feeding pipe; 3-a frame; 4-a motor; 5-stirring shaft; 6-stirring blades; 7-a driving gear; 8-a driven gear; 9-a gear ring; 10-a transmission frame; 11-a base; 12-chassis.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present application, it should be noted that if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the product of the application is used, the description is only for convenience and simplicity, and the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present application. Furthermore, the appearances of the terms "first," "second," and the like in the description herein are only used for distinguishing between similar elements and are not intended to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like when used in the description of the present application do not require that the components be absolutely horizontal or overhanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being 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 application can be understood in a specific case by those of ordinary skill in the art.

Example 1:

a chemical adding device for sewage or sludge treatment as shown in fig. 1-2, which is used for adding chemicals into sewage or sludge, and comprises a frame 3, a chemical storage box 1 and a chemical adding mechanism, wherein the chemicals in the chemical storage box 1 are added into the sewage or sludge through a chemical adding pipe 2, and the chemical adding pipe 2 is fixedly arranged on the frame 3; the stirring mechanism is positioned in the sewage or the sludge and enables the medicament and the sewage to be uniformly mixed through stirring, and the stirring mechanism comprises a driving assembly and a plurality of stirring assemblies which rotate around the same axis and are movably arranged on the rack 3.

The medicine box 1 in this application is a container for temporarily storing a medicine to be added to sewage, and the stored medicine is not limited to powder, liquid, tablets, and the like, and the medicine adding pipe 2 is a passage connecting the medicine box 1 and sewage. The stirring component in the stirring mechanism is a component which uses self-movement to complete the action of stirring the sewage, and according to the existing stirring component, the stirring component at least comprises a stirring blade 6 and a transmission mechanism for connecting the stirring blade 6 with a power source, wherein the power source is a part of the stirring mechanism. It is to be noted that.

Example 2:

the present embodiment is further optimized and defined based on embodiment 1.

As shown in fig. 3-5, the driving assembly includes a motor 4, and a transmission assembly simultaneously connecting the motor 4 and the stirring assembly and transmitting the power output from the motor 4 to the stirring assembly at a reduced speed. The transmission assembly comprises a driving gear 7, a transmission frame 10, driven gears 8 and a gear ring 9, the driving gear 7 is connected with an output shaft of the motor 4, the driving gear 7 is fixedly connected with the transmission frame 10, a plurality of driven gears 8 are connected to the transmission frame 10 in a rotating mode, the driven gears 8 are evenly distributed around the axes of the driving gear 7 and are externally meshed with the driving gear 7, the driven gears 8 are connected with a stirring shaft 5 in the stirring assembly, and the gear ring 9 is internally meshed with all the driven gears 8.

The working principle is as follows:

the motor 4 directly transmits power to the driving gear 7, the driving gear 7 rotates and drives the transmission frame 10 to rotate along with the driving gear, the driven gear 8 on the transmission frame 10 is not only externally meshed with the driving gear 7, but also internally meshed with the gear ring 9, the driven gear 8 rotates around the driving gear 7 and simultaneously generates self rotation, meanwhile, the connection mode between the driven gear 8 and the stirring assembly determines the motion mode of the stirring assembly, and particularly, if the driven gear 8 is in relative rotation connection with the stirring assembly, the stirring assembly only revolves around the axis of the driving gear; if driven gear 8 and stirring subassembly fixed connection, then the same both revolutionary around the axis of driving gear 7 of stirring subassembly also carries out self rotation, can increase the active variety of stirring subassembly for stir more fully and improve stirring efficiency. It should be noted that, since the transmission assembly in the present application also performs the function of speed reduction, the number of teeth of the driving gear 7 should be less than that of the driven gear 8.

Example 3:

this embodiment provides another connection mode of the stirring shaft 5 and the driven gear 8 on the basis of embodiment 2.

As shown in fig. 4, the stirring assembly comprises a stirring shaft 5 connected with a driven gear 8 through a bearing. In this embodiment, since the stirring shafts 5 and the driven gears 8 are connected by the bearings, the driven gears 8 and the stirring shafts 5 rotate relatively, when the driven gears 8 rotate, the stirring shafts 5 do not rotate, the stirring shafts 5 only revolve around the axes of the gears, and the stirring action is completed by the rotation of the stirring shafts 5 around a common axis.

Example 4:

in this embodiment, a stirring assembly is further optimized and defined based on embodiment 3.

As shown in fig. 4-5, at least two stirring blades 6 are fixedly connected to the stirring shaft 5. Stirring vane 6 rotates around the axis of driving gear 7 along with (mixing) shaft 5, and stirring vane 6 is as the extension of (mixing) shaft 5, can further increase the stirring scope, improves stirring effect. The choice of the stirring blade 6 depends on various factors such as the viscosity of the liquid and the type of the drug, for example, a propeller-type stirring blade 6 is used for a medium-low viscosity liquid, and a gate-type stirring blade 6 is used for a high-viscosity and settling liquid.

Preferably, the stirring blade 6 consists of two frame-type stirring paddles which are symmetrical along the axis of the stirring shaft 5. Although the frame type stirrer is more suitable for stirring high-concentration slurry and settleable liquid, the application scenes of the chemical adding device in the application of the application device mainly comprise adding a dehydrating agent into sludge or adding a flocculating agent in the primary treatment of sewage, and the like, although the scenes are only a small part in the treatment of sewage or sludge, in other sewage or sludge treatment processes, such as the scene of adding a disinfectant in the later period of sewage treatment, the liquid viscosity is lower, and because the rotating speed of the stirring shaft 5 around the driving gear 7 is lower, the frame type stirring paddle is more beneficial to uniformly mixing a medicament in the sewage under the condition of reducing aerobic or anaerobic reaction to the sewage.

Example 5:

in this embodiment, further optimization and limitation are performed on the basis of embodiment 1.

As shown in fig. 4-5, the frame 3 includes an annular base 11 and a top cover rotatably engaged with the bottom and top of the ring gear 9, respectively, and a base plate 12 rotatably engaged with the base 11 and fixedly connected with the stirring shaft 5, wherein the base 11, the base plate 12 and the top cover cooperate to form a closed space for accommodating the driving assembly. In addition, in order to increase the support for the medicine adding mechanism, as shown in fig. 2, an ear seat for fixing the medicine adding pipe 2 and a support for fixing a support pillar for supporting the medicine storage box 1 may be provided at the edge of the base 11.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a charge device for sewage or sludge treatment for add the medicament in to sewage or mud, including frame (3) and explosive box (1), its characterized in that:

the sewage or sludge treatment system further comprises a dosing mechanism, wherein the dosing mechanism is used for adding the medicament in the medicament storage box (1) into sewage or sludge through a dosing pipe (2), and the dosing pipe (2) is fixedly arranged on the rack (3);

the stirring mechanism is positioned in the sewage or the sludge and enables the medicament and the sewage to be uniformly mixed through stirring, and the stirring mechanism comprises a driving assembly and a plurality of stirring assemblies which rotate around the same axis and are movably installed on the rack (3).

2. The built-in dosing device for sewage treatment according to claim 1, characterized in that: the driving assembly comprises a motor (4) and a transmission assembly which is simultaneously connected with the motor (4) and the stirring assembly and transmits the power output by the motor (4) to the stirring assembly in a speed reduction manner.

3. The built-in dosing device for sewage treatment according to claim 2, characterized in that: the transmission assembly comprises a driving gear (7), a transmission frame (10), a driven gear (8) and a gear ring (9), the driving gear (7) is connected with an output shaft of a motor (4), the driving gear (7) is fixedly connected with the transmission frame (10), the transmission frame (10) is connected with a plurality of driven gears (8) in a rotating mode, the driven gears (8) are evenly distributed around the axis of the driving gear (7) and are externally meshed with the driving gear (7), the driven gears (8) are connected with a stirring shaft (5) in the stirring assembly, and the gear ring (9) is internally meshed with all the driven gears (8).

4. The built-in dosing device for sewage treatment according to claim 3, characterized in that: the stirring assembly comprises a stirring shaft (5) connected with a driven gear (8) through a bearing.

5. The built-in dosing device for sewage treatment as claimed in claim 3 or 4, wherein: at least two stirring blades (6) are fixedly connected to the stirring shaft (5).

6. The built-in dosing device for sewage treatment according to claim 5, wherein: the stirring blade (6) consists of two frame type stirring paddles which are symmetrical along the axis of the stirring shaft (5).

7. The built-in dosing device for sewage treatment according to claim 1, characterized in that: frame (3) including respectively with ring gear (9) bottom and top normal running fit's cyclic annular base (11) and top cap to and with base (11) normal running fit and with (mixing) shaft (5) fixed connection's chassis (12), base (11), chassis (12) and top cap cooperation form the enclosure space that is used for holding drive assembly.