CN221296388U - Mechanical stirring clarification device for raw water pretreatment - Google Patents

Abstract

The utility model relates to the technical field of raw water pretreatment, in particular to a mechanical stirring and clarifying device for raw water pretreatment, which comprises a stirring box, wherein a liquid inlet pipe is arranged on one side of the stirring box, a first drain pipe is arranged on the other side of the stirring box, a first motor is arranged at the top end of the stirring box, a central plate is connected with an output shaft at the bottom end of the first motor, stirring plates are arranged at the two sides of the central plate at equal intervals, a drain pipe is arranged at the arc-shaped bottom of the stirring box, and a dewatering assembly is arranged on the inner side of a bottom end support of the stirring box. According to the utility model, the dewatering assembly is arranged, so that flocculated impurity impurities contain a large amount of water, the flocculated impurity impurities enter the inner sieve water tank of the dewatering tank through the drain pipe, are filtered and separated, the second motor is started to drive the driving gear to rotate, the driven gear drives the sieve water tank to rotate, and the impurity is dried through centrifugal force, so that the impurity is dried, the volume is reduced, and the transport is convenient.

Description

A mechanical stirring clarification device for raw water pretreatment

Technical Field

The utility model relates to the technical field of raw water pretreatment, in particular to a mechanical stirring and clarifying device for raw water pretreatment.

Background technique

Raw water pretreatment is also called feed water pretreatment in some industries. In water treatment, deep treatment systems, especially membrane systems, often have certain water quality requirements for influent water. In order to extend the cycle and service life of the system and prevent system damage, the influent water quality is generally improved as much as possible. The raw water obtained from the water source will undergo certain pretreatment.

The authorization announcement number CN210944899U discloses a mechanical stirring and clarifying device for raw water pretreatment, which belongs to the technical field of water treatment equipment. The key points of its technical solution are: it includes a closed water treatment reservoir, the top of which is fixedly connected with a first shell, the water treatment reservoir is provided with a stirring assembly, the upper peripheral surface of the water treatment reservoir is provided with two first through holes, the two first through holes are respectively provided with a first water outlet pipe and a second water outlet pipe, the first water outlet pipe and the second water outlet pipe are both connected to the inside of the water treatment reservoir, the lower peripheral surface of the water treatment reservoir is provided with a water inlet pipe, the water inlet pipe is connected to the inside of the water treatment reservoir, and the first water outlet pipe extends from one end of the water treatment reservoir to the inside of the water inlet pipe, and the water treatment reservoir is provided with a flow limiting structure. The utility model has the effect of improving the quality of raw water after treatment.

In the existing raw water pretreatment device, after flocculation, the impurities are clarified and precipitated at the bottom of the equipment. The flocculated impurities still contain a large amount of water and are relatively large in volume, making it impossible to transport and treat them in a centralized manner. In addition, when the clarified water is discharged to the next treatment step, it is easy to carry some flocculants with it, resulting in poor treatment effect. Therefore, it is necessary to design a mechanical stirring and clarifying device for raw water pretreatment to solve the above problems.

Utility Model Content

In view of the problem that in the existing raw water pretreatment device in the background technology, after flocculation, impurities are clarified and precipitated at the bottom of the equipment, and the flocculated impurities still contain a large amount of water and are relatively large in volume, and cannot be transported and processed in a centralized manner. In addition, when the clarified water is discharged to the next treatment link, it is easy to carry some flocculants, resulting in poor treatment effect. A mechanical stirring clarification device for raw water pretreatment is proposed.

The utility model provides a mechanical stirring and clarifying device for raw water pretreatment, comprising a stirring box, a liquid inlet pipe is arranged on one side of the stirring box, a first drain pipe is arranged on the other side of the stirring box, a first motor is arranged on the top of the stirring box, a center plate is connected to the bottom output shaft of the first motor, stirring plates are arranged equidistantly on both sides of the center plate, a sewage pipe is arranged on the arc bottom of the stirring box, and a dehydration component is arranged on the inner side of the bottom bracket of the stirring box;

The dehydration assembly includes a bottom plate, a frame is slidably provided at the top of the bottom plate, a dehydration box is provided at the top of the frame, a rotating rod is rotatably provided at the inner center of the dehydration box, a water screening box is snap-fitted at the top of the rotating rod, the bottom end of the rotating rod is rotatably connected to the inner wall of the dehydration box, and a second drain pipe is provided at the bottom end of the dehydration box.

Preferably, a U-shaped silicone strip is provided on the outer side of the center plate.

Preferably, one end of the first drain pipe is threadedly connected to a filter cartridge, a filter element is placed on the inner wall of the filter cartridge, and a through groove is formed at the bottom end of the filter cartridge.

Preferably, valves are provided inside the sewage pipe, the sewage pipe and the second drainage pipe.

Preferably, sliding blocks are symmetrically arranged at the bottom end of the frame, and sliding grooves are symmetrically opened at the top end of the bottom plate.

Preferably, the outer surface of the water screen box is evenly provided with water seepage holes.

Preferably, a second motor is arranged inside the frame, a driving gear is arranged at the top end of the second motor, a driven gear is sleeved on the outer side of the rotating rod, and the driven gear and the driving gear are meshed with each other.

Compared with the prior art, the beneficial effects of the utility model are:

1. By setting up a dehydration component, the flocculated impurities contain a large amount of water, which enters the internal screen water box of the dehydration box through the sewage pipe. After filtration and separation, the second motor starts to drive the driving gear to rotate, and the driven gear drives the screen water box to rotate, and the centrifugal force is used to dry the impurities, so that the volume becomes smaller and it is easy to transport.

2. By providing a first motor, a center plate and a stirring plate, the first motor is started to rotate the center plate, and the stirring plate stirs inside the stirring box, so that the raw water is quickly mixed with the agent, thereby flocculation is performed, and the silicone strip can fit inside the stirring box to prevent impurities from adhering to the inner wall and prevent the inner wall of the stirring box from being scratched.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic front cross-sectional view of the structure of the present utility model;

FIG2 is a schematic top view of the structure of the present invention;

FIG3 is a schematic diagram of the front cross-sectional structure of the dehydration assembly of the present invention;

FIG. 4 is an enlarged schematic diagram of the local structure of point A in FIG. 1 of the present invention.

In the figure: 110, stirring box; 111, liquid inlet pipe; 112, first drain pipe; 113, sewage pipe; 114, through groove; 115, filter element; 116, filter cartridge; 120, first motor; 121, center plate; 122, stirring plate; 123, silicone strip; 200, dehydration assembly; 210, bottom plate; 211, second motor; 212, second drain pipe; 213, driving gear; 214, water screening box; 215, dehydration box; 216, driven gear; 217, sliding block; 218, rotating rod; 219, frame.

Detailed ways

The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

Embodiment 1

Please refer to Figures 1-4. An embodiment of the utility model is: a mechanical stirring and clarifying device for raw water pretreatment, comprising a stirring box 110, a liquid inlet pipe 111 is arranged on one side of the stirring box 110, a first drain pipe 112 is arranged on the other side of the stirring box 110, a first motor 120 is arranged on the top of the stirring box 110, a center plate 121 is connected to the bottom output shaft of the first motor 120, stirring plates 122 are arranged equidistantly on both sides of the center plate 121, a sewage pipe 113 is arranged on the arc bottom of the stirring box 110, and a dehydration component 200 is arranged on the inner side of the bottom bracket of the stirring box 110;

The dehydration assembly 200 includes a base plate 210, a frame 219 is slidably provided at the top of the base plate 210, a dehydration box 215 is provided at the top of the frame 219, a rotating rod 218 is rotatably provided at the inner center of the dehydration box 215, a water screening box 214 is mounted on the top of the rotating rod 218, the bottom end of the rotating rod 218 is rotatably connected to the inner wall of the dehydration box 215, and a second drain pipe 212 is provided at the bottom end of the dehydration box 215; water seepage holes are evenly opened on the outer surface of the water screening box 214; a second motor 211 is provided inside the frame 219, a driving gear 213 is provided at the top of the second motor 211, a driven gear 216 is sleeved on the outer side of the rotating rod 218, and the driven gear 216 and the driving gear 213 are meshed with each other. The mixing box 110 is externally connected to a controller, and by starting the first motor 120, the center plate 121 rotates, and the mixing plate 122 stirs inside the mixing box 110, so that the raw water is quickly mixed with the reagent, thereby flocculating, and then after a certain period of sedimentation, the raw water is separated downward, and the flocculated impurities fall to the bottom of the water, and the valve of the first drain pipe 112 is opened to discharge clean water, and the remaining impurities contain a large amount of water, which enter the internal screen box 214 of the dehydration box 215 through the sewage pipe 113, and are filtered and separated. The second motor 211 is started, driving the driving gear 213 to rotate, and the driven gear 216 drives the screen box 214 to rotate, and the centrifugal force is used to spin dry, so that the impurities are dried and the volume becomes smaller, which is convenient for transportation.

Furthermore, a sliding block 217 is symmetrically provided at the bottom end of the frame 219, and a sliding groove is symmetrically provided at the top end of the bottom plate 210; this facilitates sliding the dehydration box 215 and the frame 219 out of the bottom plate 210, and facilitates the removal of impurities from the water screening box 214.

Furthermore, valves are provided inside the sewage pipe 113, the sewage pipe 113 and the second drainage pipe 212 to facilitate the control of the operation of each pipeline.

Embodiment 2

The utility model proposes a mechanical stirring and clarifying device for raw water pretreatment. Compared with the first embodiment, please refer to Figure 1. A U-shaped silicone strip 123 is provided on the outer side of the central plate 121; the silicone strip 123 can fit the inside of the stirring box 110 to prevent impurities from adhering to the inner wall and prevent the inner wall of the stirring box 110 from being scratched.

Embodiment 3

The utility model proposes a mechanical stirring and clarifying device for raw water pretreatment. Compared with the first embodiment, please refer to FIG. 2. One end of the first drain pipe 112 is threadedly connected with a filter cartridge 116. A filter element 115 is placed on the inner wall of the filter cartridge 116. A through groove 114 is provided at the bottom of the filter cartridge 116. The first drain pipe 112 discharges clean water, which is filtered and intercepted by the filter element 115 to prevent flocculants from leaving the stirring box 110 with the raw water. The filter cartridge 116 can be disassembled by rotating it to clean the impurities intercepted by the filter cartridge 116.

The working principle of the utility model is as follows: the stirring box 110 is externally connected to the controller, and by starting the first motor 120, the central plate 121 rotates, and the stirring plate 122 stirs inside the stirring box 110, so that the raw water is quickly mixed with the agent, thereby flocculating, and then after a certain period of sedimentation, the raw water is separated downward, and the flocculated impurities fall to the bottom of the water, and the valve of the first drain pipe 112 is opened to discharge the clean water, and the remaining impurities contain a large amount of water, which enter the internal screen box 214 of the dehydration box 215 through the sewage pipe 113, and are filtered and separated. The second motor 211 is started, driving the driving gear 213 to rotate, and the driven gear 216 drives the screen box 214 to rotate, and the centrifugal force is used to spin dry, so that the impurities are dried and the volume becomes smaller, which is convenient for transportation.

The first drain pipe 112 discharges clean water, which is filtered and intercepted by the filter element 115 to prevent flocculants from leaving the mixing box 110 along with the raw water. The filter cartridge 116 can be disassembled by rotating it to clean the impurities intercepted by the filter cartridge 116.

The standard parts used in the utility model can all be purchased from the market, special-shaped parts can be customized according to the description in the specification and the drawings, the specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art, the machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims (7)

1. A mechanical stirring and clarifying device for raw water pretreatment, comprising a stirring box (110), characterized in that a liquid inlet pipe (111) is arranged on one side of the stirring box (110), a first drain pipe (112) is arranged on the other side of the stirring box (110), a first motor (120) is arranged at the top of the stirring box (110), a bottom output shaft of the first motor (120) is connected to a center plate (121), stirring plates (122) are equidistantly arranged on both sides of the center plate (121), a sewage pipe (113) is arranged at the arc-shaped bottom of the stirring box (110), and a dehydration component (200) is arranged on the inner side of the bottom bracket of the stirring box (110); The dehydration assembly (200) comprises a bottom plate (210), a frame (219) is slidably provided at the top end of the bottom plate (210), a dehydration box (215) is provided at the top end of the frame (219), a rotating rod (218) is rotatably provided at the inner center of the dehydration box (215), a water screening box (214) is snap-fitted and installed at the top end of the rotating rod (218), the bottom end of the rotating rod (218) is rotatably connected to the inner wall of the dehydration box (215), and a second drain pipe (212) is provided at the bottom end of the dehydration box (215). 2. A mechanical stirring clarification device for raw water pretreatment according to claim 1, characterized in that a U-shaped silicone strip (123) is provided on the outer side of the central plate (121). 3. A mechanical stirring and clarification device for raw water pretreatment according to claim 1, characterized in that one end of the first drain pipe (112) is threadedly connected to a filter cartridge (116), a filter element (115) is placed on the inner wall of the filter cartridge (116), and a through groove (114) is opened at the bottom end of the filter cartridge (116). 4. A mechanical stirring clarification device for raw water pretreatment according to claim 1, characterized in that valves are provided inside the sewage pipe (113), the sewage pipe (113) and the second drainage pipe (212). 5. A mechanical stirring clarification device for raw water pretreatment according to claim 1, characterized in that sliding blocks (217) are symmetrically arranged at the bottom end of the frame (219), and sliding grooves are symmetrically opened at the top end of the bottom plate (210). 6. A mechanical stirring clarification device for raw water pretreatment according to claim 1, characterized in that water seepage holes are evenly opened on the outer surface of the water screening box (214). 7. A mechanical stirring clarification device for raw water pretreatment according to claim 1, characterized in that a second motor (211) is arranged inside the frame (219), a driving gear (213) is arranged at the top of the second motor (211), a driven gear (216) is sleeved on the outer side of the rotating rod (218), and the driven gear (216) and the driving gear (213) are meshed with each other.