CN219051097U - Sewage pretreatment device - Google Patents

Abstract

The utility model discloses a sewage pretreatment device, which comprises a treatment tank, wherein the top of the treatment tank is fixedly connected with a shell, and the outside of the shell is fixedly connected with a motor; the beneficial effects achieved by the utility model are as follows: can drive reciprocating motion about the puddler through movable frame and slider when the carousel rotates, up-and-down movement, cooperation rack and pinion makes the puddler carry out multi-direction stirring to the sewage in the treatment tank, make sewage and liquid medicine can mix more abundant, the stirring scope of puddler self is bigger simultaneously, can accelerate treatment effeciency, can drive the piston in the injection tube through the slide bar when reciprocating motion about the movable frame and control reciprocating motion, take out the pharmaceutical industry in the medicine water tank under the effect of first check valve and second check valve, and directly spout the treatment tank through the shower nozzle on the puddler, make liquid medicine spun position and scope bigger, help the mixture of liquid medicine and sewage.

Description

A sewage pretreatment device

technical field

The utility model relates to the technical field of municipal construction, in particular to a sewage pretreatment device.

Background technique

For centralized urban sewage treatment plants and decentralized sewage treatment plants within pollution sources, pretreatment mainly includes treatment facilities such as grilles, screens, grit chambers, and sand-water separators. For some industrial wastewater before entering the centralized or decentralized sewage treatment plant, in addition to the above-mentioned general pretreatment, water quality and quantity adjustment treatment and other special pretreatments are required, such as neutralization, pre-sedimentation, pre-treatment, etc. Aeration etc. If the pretreatment process is not up to standard, there will be too much screening slag, which will cause a lot of loss to the subsequent treatment equipment. There are the following disadvantages in the existing sewage pretreatment device for municipal water supply and drainage: 1. The sewage treatment effect of the existing sewage pretreatment device for municipal water supply and drainage is not good, and cannot meet the needs of sewage pretreatment; 2. Most of the sewage pretreatment devices for municipal water supply and drainage cannot be directly connected to municipal water supply and drainage agencies, which increases the difficulty of sewage treatment and causes unnecessary cost input.

The Chinese patent discloses "a sewage pretreatment device for municipal water supply and drainage" with the patent number CN202121669258.2, which records "a sewage pretreatment device for municipal water supply and drainage, including a treatment tank, and the lower end of the treatment tank is Four brackets are fixedly installed, and the four brackets are distributed in a circular array. An outlet valve pipe is installed on the lower left part of the outer surface of the treatment tank, and a first flange is installed on the left end of the outlet valve tube. The upper right part of the surface is provided with a water inlet pipe, the right end of the water inlet pipe is installed with a second flange, the middle part of the upper end of the processing tank is provided with a stirring mechanism, and the stirring mechanism extends to the inside of the processing tank, and the upper right part of the processing tank is It is equipped with a dosing mechanism.", by setting the heating pipe, the stirring mechanism, the dosing mechanism, the first filter and the second filter to cooperate together to realize the pretreatment of the sewage, and by setting the first flange and the second flange Realize the quick connection between this device and the municipal water supply and drainage, the sewage pretreatment effect is good, and the practicability is strong, but there are still some problems. The stirring method of the first stirring blade and the second stirring blade is relatively simple, and it is easy to cause the sewage and the liquid medicine to fail. In the case of sufficient mixing, the effect of sewage treatment is reduced, and the addition of the liquid medicine is added from the top, coupled with the single stirring method, the sewage near the bottom of the treatment tank is likely not to be in contact with the liquid medicine.

Utility model content

The purpose of this utility model is to provide a sewage pretreatment device to solve the problems raised in the above-mentioned background technology.

In order to achieve the above object, the utility model provides the following technical solutions:

A sewage pretreatment device, comprising a treatment tank, the top of the treatment tank is fixedly connected with a casing, the outside of the casing is fixedly connected with a motor, and the inside of the casing is rotatably connected with a turntable, and the turntable is connected to the output shaft of the motor Fixed connection, the inside of the shell is slidably connected with a movable frame, the inside of the movable frame is slidably connected with a slider, the slider is rotatably connected with the turntable, and the inside of the movable frame is rotatably connected with a sleeve, and the sleeve The inside of the tube is slidingly connected with a stirring rod, the top of the stirring rod is fixedly connected with a rotary joint, the rotary joint is fixedly connected with the slider, the outside of the casing is fixedly connected with a gear, and the inside of the casing is fixedly connected with a The rack is meshed with the rack.

Preferably, a liquid medicine tank is fixedly connected to the top of the housing, a syringe is fixedly connected to the inside of the housing, a piston is slidably connected to the inside of the syringe, and a slide rod is fixedly connected to one side of the piston. The slide bar is fixedly connected with the movable frame, the top of the injection cylinder is fixedly connected with a first one-way valve, and the first one-way valve communicates with the liquid medicine tank through a pipeline, and the bottom of the injection cylinder is fixedly connected with a second one-way valve. A one-way valve, the second one-way valve communicates with the rotary joint through a pipeline, and a spray head is fixedly connected to the outside of the stirring rod.

Preferably, a guide rod is slidably connected to the inside of the movable frame, one end of the guide rod is fixedly connected to the housing, and the other end of the guide rod is fixedly connected to the injection barrel.

Preferably, a control switch is fixedly connected to the outside of the housing, and the motor is electrically connected to the control switch.

Preferably, the stirring rod has a square structure.

Preferably, a water inlet pipe is fixedly connected to one side of the treatment tank, and a water outlet pipe is fixedly connected to the other side of the treatment tank.

The beneficial effects achieved by the utility model are: through the set treatment tank, casing, motor, turntable, movable frame, slider, casing, stirring rod, rotary joint, gear and rack, the movable frame can be passed through when the turntable rotates. And the slider drives the stirring rod to reciprocate left and right and move up and down at the same time. With the rack and pinion, the stirring rod can stir the sewage in the treatment tank in multiple directions, so that the sewage and the liquid medicine can be mixed more fully. At the same time, the stirring rod itself The mixing range is larger, which can speed up the processing efficiency. Through the set medicine tank, injection cylinder, piston, slide rod, first one-way valve, second one-way valve and nozzle, it can be driven by the slide rod when the movable frame reciprocates left and right. The piston in the injection cylinder reciprocates left and right, and the medicine in the medicine tank is drawn out under the action of the first one-way valve and the second one-way valve, and is sprayed directly into the treatment tank through the nozzle on the stirring rod, so that the medicine liquid sprays The location and range of the discharge are larger, which is helpful for the mixing of the liquid medicine and the sewage.

Description of drawings

The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the description, and are used to explain the utility model together with the embodiments of the utility model, and do not constitute a limitation to the utility model. In the attached picture:

Fig. 1 is a structural representation of the utility model;

Fig. 2 is a schematic sectional view of the utility model;

Fig. 3 is a schematic structural view of the casing of the present invention.

In the figure: 1. Treatment tank; 2. Shell; 3. Motor; 4. Turntable; 5. Movable frame; 6. Slider; 7. Sleeve; 8. Stirring rod; 9. Rotary joint; 10. Gear; 1, rack; 12, medicine tank; 13, injection cylinder; 14, piston; 15, slide rod; 16, first one-way valve; 17, second one-way valve; 18, nozzle; 19, guide rod; 20, Control switch; 21, water inlet pipe; 22, water outlet pipe.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figure 1 to Figure 3, the utility model provides a technical solution:

A sewage pretreatment device, comprising a treatment tank 1, a casing 2 is fixedly connected to the top of the treatment tank 1, a motor 3 is fixedly connected to the outside of the casing 2, a turntable 4 is connected to the inside of the casing 2, and the output of the turntable 4 and the motor 3 The shaft is fixedly connected, the inside of the shell 2 is slidingly connected with a movable frame 5, and the inside of the movable frame 5 is slidingly connected with a slider 6, and the slider 6 is connected with the turntable 4 in rotation, and when the turntable 4 rotates, the movable frame 5 can be driven by the slider 6 to about Reciprocating movement, during the process, the slider 6 inside the movable frame 5 reciprocates up and down, and finally realizes the purpose of driving the stirring rod 8 to stir the sewage in multiple directions; the internal rotation of the movable frame 5 is connected with the casing 7, and the internal sliding of the casing 7 A stirring rod 8 is connected, the top of the stirring rod 8 is fixedly connected with a rotary joint 9, the rotary joint 9 is fixedly connected with the slider 6, the outside of the casing 7 is fixedly connected with a gear 10, and the inside of the casing 2 is fixedly connected with a rack 11, The gear 10 is meshed with the rack 11. Under the action of the gear 10 and the rack 11, when the movable frame 5 drives the stirring rod 8 to reciprocate left and right, it can drive the stirring rod 8 to rotate forward and reversely.

The top of the housing 2 is fixedly connected with a liquid medicine tank 12, the inside of the housing 2 is fixedly connected with a syringe 13, the inside of the syringe 13 is slidably connected with a piston 14, and one side of the piston 14 is fixedly connected with a slide rod 15, and the slide rod 15 is connected to the movable The frame 5 is fixedly connected, the top of the syringe 13 is fixedly connected with a first one-way valve 16, the first one-way valve 16 communicates with the liquid medicine tank 12 through a pipeline, and the bottom of the syringe 13 is fixedly connected with a second one-way valve 17, The second one-way valve 17 communicates with the swivel joint 9 through the pipeline, and the outside of the stirring rod 8 is fixedly connected with a nozzle 18, and the stirring rod 8 is a hollow structure, which is convenient for the spraying of the liquid medicine; the inside of the movable frame 5 is slidingly connected with a guide rod 19. One end of the guide rod 19 is fixedly connected to the housing 2, and the other end of the guide rod 19 is fixedly connected to the injection cylinder 13, which is used to limit the moving position of the movable frame 5, while making the movable frame 5 move more smoothly; the housing 2 The outside of the control switch 20 is fixedly connected, and the motor 3 is electrically connected to the control switch 20. The electrical equipment in the device is powered by an external power supply, and is controlled by the control switch 20; the stirring rod 8 is a square structure, and the square structure The stirring rod 8 enables the casing 7 to better drive the stirring rod 8 to rotate; one side of the treatment tank 1 is fixedly connected with a water inlet pipe 21, and the other side of the treatment tank 1 is fixedly connected with an outlet pipe 22 for the ingress and egress of sewage.

Concretely, when using the utility model, firstly, the sewage enters the treatment tank 1 through the water inlet pipe 21, and the motor 3 is started by the control switch 20 to drive the turntable 4 inside the casing 2 to rotate, and the movable frame 5 is driven to move under the action of the slider 6 , so that the movable frame 5 drives the stirring rod 8 to reciprocate left and right, and at the same time the slider 6 drives the stirring rod 8 to reciprocate up and down. When reciprocating left and right, the slide bar 15 will drive the piston 14 inside the syringe 13 to reciprocate left and right. With the cooperation of the first one-way valve 16 and the second one-way valve 17, the liquid medicine in the liquid medicine tank 12 will be drawn out, and finally passed through The spray nozzle 18 on the stirring rod 8 sprays into the treatment tank 1, and cooperates with the multi-directional stirring of the stirring rod 8 to ensure that the sewage and the liquid medicine are mixed more fully.

In the description of the present utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", " The orientation or positional relationship indicated by "top", "inner", "front", "central", "both ends" etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description , rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the utility model.

In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only, and should not be understood as indicating or implying relative importance or implicitly specifying the number of indicated technical features, Thus, a feature defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

In this utility model, unless otherwise clearly specified and limited, terms such as "installation", "setting", "connection", "fixation" and "rotation" should be understood in a broad sense, for example, it may be a fixed connection, It can also be detachable connection, or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components Unless otherwise clearly defined, those skilled in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A sewage pretreatment device, comprising a treatment tank (1), the top of the treatment tank (1) is fixedly connected with a casing (2), and the outside of the casing (2) is fixedly connected with a motor (3), which It is characterized in that: the inside of the shell (2) is connected with a turntable (4) for rotation, the turntable (4) is fixedly connected with the output shaft of the motor (3), and the inside of the shell (2) is slidably connected with a movable frame ( 5), the inside of the movable frame (5) is slidably connected with a slider (6), the slider (6) is rotatably connected with the turntable (4), and the inside of the movable frame (5) is rotatably connected with a casing (7), the inside of the sleeve (7) is slidingly connected with a stirring rod (8), and the top of the stirring rod (8) is fixedly connected with a swivel joint (9), and the swivel joint (9) is connected with the slide block (6) Fixedly connected, the outside of the sleeve (7) is fixedly connected with a gear (10), and the inside of the casing (2) is fixedly connected with a rack (11), and the gear (10) and the rack ( 11) Mesh connection. 2. A sewage pretreatment device according to claim 1, characterized in that: the top of the housing (2) is fixedly connected with a liquid medicine tank (12), and the inside of the housing (2) is fixedly connected with a syringe (13), the inside of the injection barrel (13) is slidably connected with a piston (14), and one side of the piston (14) is fixedly connected with a slide bar (15), and the slide bar (15) is connected to the movable frame ( 5) fixedly connected, the top of the injection barrel (13) is fixedly connected with a first one-way valve (16), and the first one-way valve (16) communicates with the liquid medicine tank (12) through a pipeline, and the injection The bottom of the cylinder (13) is fixedly connected with a second one-way valve (17), and the second one-way valve (17) communicates with the rotary joint (9) through a pipeline, and the outside of the stirring rod (8) is fixedly connected to Shower nozzle (18) is arranged. 3. A kind of sewage pretreatment device according to claim 2, is characterized in that: the inside of described movable frame (5) is slidably connected with guide rod (19), and one end of described guide rod (19) is connected with shell ( 2) Fixed connection, the other end of the guide rod (19) is fixedly connected with the injection barrel (13). 4. A sewage pretreatment device according to claim 1, characterized in that: a control switch (20) is fixedly connected to the outside of the housing (2), and the motor (3) is electrically connected to the control switch (20). sexual connection. 5. A sewage pretreatment device according to claim 1, characterized in that: the stirring rod (8) has a square structure. 6. A sewage pretreatment device according to claim 1, characterized in that: one side of the treatment tank (1) is fixedly connected with a water inlet pipe (21), and the other side of the treatment tank (1) Fixed connection has outlet pipe (22).

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