CN113023945B - Municipal wastewater treatment device - Google Patents

Abstract

The invention relates to the technical field of sewage treatment, in particular to a municipal sewage treatment device, which comprises a box body, wherein a purifying net is arranged in the box body and is used for transversely partitioning the box body into a screening cavity and a mixing cavity; a screen is arranged in the screening cavity, and a impurity removing structure for removing impurities is arranged on the side wall of the screening cavity; a driving shaft is arranged in the box body, penetrates through the mixing cavity and then enters the screening cavity, and is movably connected with the screen mesh through a threaded structure and drives the screen mesh to deform upwards or downwards; the part of the driving shaft, which is positioned in the mixing cavity, is provided with a mixing structure, and the driving shaft is also connected with the driver and is in positive and reverse rotation under the action of the driver. The box body structure disclosed by the invention can treat sewage on the premise of not changing the junction in the box body and not disassembling the filter screen, and is convenient for cleaning and removing impurities, so that the sewage treatment efficiency is improved, the working stability of a sewage treatment device is ensured, and the service life of the sewage treatment device is prolonged.

Description

Municipal wastewater treatment device

Technical Field

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

Background

Municipal subjects act on municipal objects and processes thereof, municipal subjects in a broad sense refer to political party organizations and national political authorities of cities, and in order to realize various management activities and processes thereof for political, economic, cultural and social development of the cities themselves and countries, municipal subjects in a narrow sense refer to management activities and processes thereof for various administrative matters and social public offices in the urban jurisdiction by the national administrative authorities of the cities, sewage generally refers to discharged water from life and production which is polluted to a certain extent, and mainly includes domestic sewage, industrial waste water and initial rainwater. The main contaminants of sewage are pathogen contaminants, oxygen-consuming contaminants, plant nutrients, toxic contaminants, etc., and from the viewpoint of sewage sources, sewage can be defined as waste-carrying liquids or waters mixed with groundwater, surface water, storm snow, etc. discharged from residential, institutional, commercial or industrial areas, and there are many technologies and processes for reducing the environmental impact of sewage from many classes accordingly.

The utility model CN212102347U provides a municipal sewage treatment device, which mainly solves the technical problems that the existing sewage contains a large amount of solid impurities, a screen is preset in the treatment device to filter the impurities in the sewage, the impurities can be accumulated on the screen in the past for a long time, but the existing screen is inconvenient to install and detach, and the working efficiency of the device is affected to a certain extent.

Therefore, the structure of the existing sewage treatment device needs to be improved, and the sewage treatment device needs to be optimized and improved to meet the control of airflow flow, so that a more reasonable technical scheme needs to be provided, and the defects in the prior art are overcome.

Disclosure of Invention

In order to solve the defects of the prior art mentioned in the above, the invention provides a municipal sewage treatment device, which is characterized in that solid particle impurities in sewage are screened out by filtering the sewage, and the solid particle impurities are removed to the outside through a specific pipeline, so that the condition of impurity accumulation at a filtering structure in the device is reduced, and the filtering effect of the sewage treatment device is greatly improved.

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

A municipal sewage treatment device comprises a box body, wherein a purifying net is arranged in the box body and transversely partitions the box body into an upper screening cavity and a lower mixing cavity; the screening cavity is internally provided with a screen, the outer edge of the screen is fixedly connected with the inner wall of the screening cavity, and the side wall of the screening cavity is provided with a impurity removing structure for removing impurities; the box body is internally provided with a driving shaft, the driving shaft penetrates through the mixing cavity from the bottom of the box body from bottom to top and then enters the screening cavity, and the part of the driving shaft positioned in the screening cavity is movably connected with the screen mesh through a thread structure and drives the screen mesh to be deformed in an upward convex or downward concave mode; the part of the driving shaft, which is positioned in the mixing cavity, is provided with a mixing structure, and the driving shaft is also connected with the driver and is in positive and reverse rotation under the action of the driver.

According to the sewage treatment device disclosed by the above, sewage to be treated is added into the screening cavity through the feeding structure, impurities in the sewage are preliminarily filtered through the screen mesh, and particles with the size larger than that of the screen mesh and passing through gaps are prevented from entering the mixing cavity; after the impurity is piled up in the screening cavity, clean through the feeding structure, sweep impurity into the impurity removal structure and realize the clearance of impurity, resume the filtration capacity of screen cloth.

Further, the impurity removing structure adopted in the invention can adopt various pore canal structures capable of removing impurities, and the pore canal structures are optimized and one of the possible choices is given here: the impurity discharging structure comprises an impurity discharging pipe which is flush with the outer edge of the screen, the upper end of the impurity discharging pipe is communicated to the inside of the screening cavity, and an impurity collecting box is arranged at the lower port of the impurity discharging pipe. When the scheme is adopted, impurities in the screening cavity can enter the impurity discharging pipe through cleaning, and the impurities fall into the impurity collecting box below through the impurity discharging pipe.

Furthermore, the thread structure disclosed by the invention is used for adjusting the overall angle of the screen, and the joint of the screen and the screw rod can be lifted upwards or moved downwards, so that the screen is adjusted, and the filtering and subsequent cleaning of impurities are facilitated. The specific thread structure may be provided in a variety of forms, which are not limited only, and the optimization is set forth herein and one possible solution is given as follows: the screw thread structure comprises an internal thread sleeve, the part of the driving shaft positioned in the screening cavity is provided with external threads and is matched with the internal thread sleeve, the internal thread sleeve is fixedly connected with the screen, and when the driving shaft rotates, the internal thread sleeve axially displaces along the driving shaft and drives the screen to deform. When the scheme is adopted, the driving shaft rotates, and the internal thread sleeve moves on the driving shaft along the shaft due to the structure of the threaded fit, so that the screen mesh is driven to deform.

Further, since the screen mesh employed in the present invention is required to deform while maintaining filtration performance, the structure of the screen mesh is also stable during repeated deformation, and optimization is performed here, to name one of the possible options: the screen comprises a plurality of meshes formed by hinging, and the meshes are hinged with the internal thread sleeve. When the scheme is adopted, when the internal thread sleeve moves upwards or descends along the driving shaft, the mesh can be allowed to deform by the hinge structure of the mesh and the internal thread sleeve and the hinge structure between the meshes, the structure of the single mesh is unchanged, the filtering aperture is unchanged, and therefore the reliability of the mesh is greatly ensured.

Further, in order to facilitate the addition of sewage, the structure of the tank is optimized, and one possible choice is given here: the box body on be provided with a plurality of feeding structures that correspond with the screening chamber. When the scheme is adopted, the feeding structure can comprise a plurality of feeding holes, part of the feeding holes are used for adding sewage, and part of the feeding holes can be used for adding substances such as a purifying agent and the like used for sewage treatment, so that the sewage treatment effect is improved.

Still further, for the treated sewage, it is necessary to remove the sewage from the tank, so the structure of the tank is optimized, and one of the possible schemes is given: the box body on be provided with a plurality of and mix chamber corresponding complex ejection of compact structure.

Still further, the ejection of compact structure sets up on the lateral wall in mixing chamber, and ejection of compact structure includes a plurality of discharge holes. When the device is arranged, sewage treated by the screen and the purifying net enters the mixing cavity, and is treated by the mixing structure and then discharged by the discharging hole.

Further, the mixing structure at least comprises mixing blades which synchronously rotate along with the driving shaft.

Further, the driver comprises a positive motor and a negative motor, and an output shaft of the positive motor is in transmission connection with the driving shaft. When the scheme is adopted, the forward and reverse motors rotate forward or reverse, so that the driving shaft is driven to rotate forward or reverse, the internal thread sleeve is moved up or down, and the screen mesh is driven to deform.

Still further, the structure of the case is optimized for better placement of the drive, one possible option being given here: the lower part of the box body is also provided with a driving cavity, and the driver is arranged in the driving cavity; the driving cavity is provided with a heat dissipation structure, and the driver is provided with a heat dissipation piece. When the scheme is adopted, the heat dissipation piece helps the driver to dissipate heat, and the driver is ensured to work for a long time and is stable and reliable.

Further, in order to better control the whole body, the box body is provided with a controller, the box body is provided with a sensor for detecting the protruding degree and the concave degree of the screen, the sensor is electrically connected with the controller, and the controller is used for controlling the driver to positively and negatively rotate so as to enable the screen to change in the protruding and concave directions within a limited range. When the scheme is adopted, the inductor senses the position of the internal thread sleeve, and when the distance between the internal thread sleeve and the inductor reaches a set value, the controller sends an instruction to control the driver to change the running direction.

Compared with the prior art, the invention has the following beneficial effects:

the invention optimizes the structure in the box body, filters the sewage entering the box body, filters impurities, stays on the screen, and eliminates the impurities through the impurity removing structure. The box body structure disclosed by the invention can treat sewage on the premise of not changing the junction in the box body and not disassembling the filter screen, and is convenient for cleaning and removing impurities, so that the sewage treatment efficiency is improved, the working stability of a sewage treatment device is ensured, and the service life of the sewage treatment device is prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic cross-sectional view of a treatment apparatus.

Fig. 2 is a schematic cross-sectional view of the interior of the screening chamber.

In the above figures, the meaning of each symbol is: 1. a case; 11. a feed structure; 2. a purification net; 3. a drive chamber; 4. a driving device; 5. a drive shaft; 51. a hybrid structure; 6. an internal thread sleeve; 61. a screen; 7. an inductor; 8. a trash discharging pipe; 81. and a impurity collection box.

Detailed Description

The invention is further illustrated by the following description of specific embodiments in conjunction with the accompanying drawings.

It should be noted that the description of these examples is for aiding in understanding the present invention, but is not intended to limit the present invention. Specific structural and functional details disclosed herein are merely representative of example embodiments of the invention. This invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

Examples

The sewage treatment device aims at solving the problems that the existing sewage treatment device needs to detach a filter screen for independent cleaning after sewage treatment, is complex in operation, is inconvenient to improve sewage treatment efficiency, and cannot guarantee the reliability of the sewage treatment device. This embodiment provides a sewage treatment plant to solve the problem that exists among the prior art.

Specifically, the technical scheme disclosed in this embodiment is as follows:

A municipal sewage treatment device comprises a box body 1, wherein a purifying net 2 is arranged in the box body 1, and the purifying net 2 transversely partitions the box body 1 into an upper screening cavity and a lower mixing cavity; the screening cavity is internally provided with a screen 61, the outer edge of the screen 61 is fixedly connected with the inner wall of the screening cavity, and the side wall of the screening cavity is provided with a impurity removing structure for removing impurities; a driving shaft 5 is arranged in the box body 1, the driving shaft 5 passes through the mixing cavity from the bottom of the box body 1 from bottom to top and then enters the screening cavity, and the part of the driving shaft 5 positioned in the screening cavity is movably connected with the screen 61 through a thread structure and drives the screen 61 to deform upwards or downwards; the part of the drive shaft 5 located in the mixing chamber is provided with a mixing structure 51, the drive shaft 5 being further connected to the drive and being positively and negatively rotated under the influence of the drive.

In the sewage treatment device disclosed by the above, sewage to be treated is added into the screening cavity through the feeding structure 11, and impurities in the sewage are primarily filtered by the screen 61, so that particles with the size larger than that of the screen 61 and passing through gaps are prevented from entering the mixing cavity; after the impurity is piled up in the screening cavity, the impurity is swept through the feeding structure 11, the impurity is swept into the impurity discharging structure to remove the impurity, and the filtering capability of the screen 61 is recovered.

Preferably, the purifying net 2 is any one of an activated carbon filter net or a bamboo charcoal filter net.

Through any one of the active carbon filter screen or the bamboo charcoal filter screen, the purification efficiency of the purification net 2 can be effectively improved, and a certain purification effect can be achieved after the impurities are screened.

In some embodiments, the impurity discharging structure may employ various channel structures capable of discharging impurities; this embodiment is optimized and adopts one of the possible choices: the impurity discharging structure comprises an impurity discharging pipe 8 flush with the outer side edge of the screen 61, the upper end of the impurity discharging pipe 8 is communicated to the inside of the screening cavity, and an impurity collecting box 81 is arranged at the lower port of the impurity discharging pipe 8. When the scheme is adopted, impurities in the screening cavity can enter the impurity discharging pipe 8 through cleaning, and the impurities fall into the impurity collecting box 81 below through the impurity discharging pipe 8.

Preferably, the impurity discharging pipe 8 in the present embodiment is provided in an inverted L shape, and the horizontal section communicates with the inside of the screening chamber, and the vertical section communicates with the impurity collecting box 81 downward. Meanwhile, an L-shaped hook is arranged on the outer side wall of the box body 1, a sundry collecting box 81 is arranged on the hook, the effect of collecting solid impurities is achieved through the sundry collecting box 81, and the sundry collecting box 81 can be hung and buckled on the hook through the hook, so that staff can conveniently take the sundry collecting box.

When the screen 61 is raised upward or depressed downward, the impurities are facilitated to slide down from the screen 61 to the impurity discharging pipe 8, thereby avoiding the impurities from remaining on the screen 61.

The thread structure disclosed in this embodiment is used for adjusting the overall angle of the screen 61, and can enable the joint of the screen 61 and the screw to rise upwards or move downwards, so as to adjust the screen 61, and facilitate the filtration and subsequent cleaning of impurities. In some embodiments, the specific thread structure may be configured in various forms, which is not limited to only, and the present embodiment performs the optimization configuration and adopts one of possible schemes: the thread structure comprises an internal thread sleeve 6, an external thread is arranged on the part of the driving shaft 5 positioned in the screening cavity and matched with the internal thread sleeve 6, the internal thread sleeve 6 is fixedly connected with the screen 61, and when the driving shaft 5 rotates, the internal thread sleeve 6 axially displaces along the driving shaft 5 and drives the screen 61 to deform. With such a solution, the driving shaft 5 rotates, and the internal thread bush 6 moves on the driving shaft 5 along the shaft due to the structure of the threaded engagement, thereby driving the screen 61 to deform.

Since the screen 61 used in this embodiment is required to deform and maintain the filtering performance, the structure of the screen 61 is stable during repeated deformation, and the screen 61 is optimized here, and one of the possible options is: the screen 61 comprises a plurality of meshed sheets which are hinged, and the meshed sheets are hinged with the internal thread sleeve 6. When the scheme is adopted, when the internal thread sleeve 6 moves upwards or descends along the driving shaft 5, the mesh and the hinge structure of the internal thread sleeve 6 and the hinge structure between the meshes can allow the screen 61 to deform, the structure of a single mesh is unchanged, the filtering aperture is unchanged, and therefore the reliability of the screen 61 is greatly ensured.

In this embodiment, the structure of the case 1 is square, and the screen 61 is correspondingly square, so that the screen 61 may be formed by two rectangular meshes or four triangular meshes.

Preferably, the structure of the tank 1 is optimized for facilitating the addition of the sewage, one of the possible choices being given here: the box body 1 is provided with a plurality of feeding structures 11 corresponding to the screening cavities. With such a solution, the feed structure 11 may comprise several feed holes, part of which are used for adding sewage, and part of which may be used for adding substances for sewage treatment, such as a purifying agent, thereby improving the sewage treatment effect.

Preferably, two feed holes are provided in this embodiment, one for the entry of sewage and the other for the addition of water purifying agents and the like.

For the treated sewage, the sewage needs to be discharged from the inside of the box body 1, so the structure of the box body 1 is optimized, and one of the possible schemes is given as follows: the box body 1 is provided with a plurality of discharging structures which are correspondingly matched with the mixing cavity.

Preferably, the discharging structure is arranged on the side wall of the mixing cavity, and the discharging structure comprises a plurality of discharging holes. When so arranged, the sewage treated by the screen 61 and the purifying net 2 enters the mixing chamber, is treated by the mixing structure 51, and is discharged from the discharge hole.

In this embodiment, the mixing structure 51 includes at least mixing blades that rotate synchronously with the drive shaft 5. After the sewage enters the mixing cavity, a water purifying agent or a mixed medicament can be added into the sewage, and the sewage can be fully mixed through the rotation of the mixing blades, so that the sewage is discharged after being fully mixed.

In this embodiment, the driver includes a reversible motor, and an output shaft of the reversible motor is in transmission connection with the driving shaft 5. When the scheme is adopted, the forward and reverse motors rotate forward or reverse, so that the driving shaft 5 is driven to rotate forward or reverse, the internal thread sleeve 6 is moved up or down, and the screen mesh 61 is driven to deform.

For a better placement of the drive means 4, the structure of the box 1 is optimized, one of the possible options being given here: the lower part of the box body 1 is also provided with a driving cavity 3, and the driver is arranged in the driving cavity 3; the driving cavity 3 is provided with a heat dissipation structure, and the driver is provided with a heat dissipation piece. When the scheme is adopted, the heat dissipation piece helps the driver to dissipate heat, and the driver is ensured to work for a long time and is stable and reliable.

Preferably, the heat dissipation piece is a metal heat dissipation plate, and a heat dissipation opening is arranged on the driving cavity 3, and a dust screen is arranged at the heat dissipation opening.

For better overall control, the box 1 is provided with a controller, the box 1 is provided with a sensor 7 for detecting the upward protruding degree and the downward recessed degree of the screen 61, the sensor 7 is electrically connected with the controller, and the controller is used for controlling the forward and reverse rotation of the driver to enable the screen 61 to be upward protruding and downward recessed within a limited range. When the scheme is adopted, the sensor 7 senses the position of the internal thread sleeve 6, and when the distance between the internal thread sleeve 6 and the sensor 7 reaches a set value, the controller sends an instruction to control the driver to change the running direction.

Preferably, in this embodiment, an infrared distance sensor 7 is used, together with a PLC as a controller.

In a specific application, the working principle of the processing device is as follows:

Staff passes through feeding structure 11, in leading-in box 1 of sewage to be cleared up, filter the solid impurity in its sewage through screen cloth 61 structure, screen cloth 61 structure is "V" type this moment, the sewage after the screening flows into the hybrid chamber through purifying net 2, at this moment, the staff starts positive and negative motor, positive and negative motor drives the transmission shaft operation, can drive the mixing leaf and handle sewage when transmission shaft operation in-process, in the course of handling, the staff can add the neutralization liquid through the feed inlet at any time, in positive and negative motor forward rotation process, can drive the screw thread piece in the screening chamber and upwards move on the transmission shaft, owing to install infrared ranging probe in its screening chamber, when infrared ranging probe detects the screw thread piece distance too closely, screen cloth 61 mechanism presents the "V" that falls down this moment, and flow into in the hybrid tube, and the detection result of infrared ranging probe transmits to the controller, forward and reverse rotation is controlled by the controller, thereby drive screw thread piece and move down, can play the positive and reverse rotation of guide 61, and certain deformation effect that can possess, and life-span of screen cloth 61.

The above is an embodiment exemplified in this example, but this example is not limited to the above-described alternative embodiments, and a person skilled in the art may obtain various other embodiments by any combination of the above-described embodiments, and any person may obtain various other embodiments in the light of this example. The above detailed description should not be construed as limiting the scope of the present embodiments, which is defined in the claims and the description may be used to interpret the claims.

Claims (6)

1. Municipal wastewater treatment device, its characterized in that: the device comprises a box body (1), wherein a purifying net (2) is arranged in the box body (1), and the purifying net (2) transversely partitions the box body (1) into an upper screening cavity and a lower mixing cavity; the screening cavity is internally provided with a screen (61), the outer side edge of the screen (61) is fixedly connected with the inner wall of the screening cavity, and the side wall of the screening cavity is provided with a impurity removing structure for removing impurities; a driving shaft (5) is arranged in the box body (1), the driving shaft (5) penetrates through the mixing cavity from bottom to top of the box body (1) and then enters the screening cavity, and the part of the driving shaft (5) positioned in the screening cavity is movably connected with the screen (61) through a thread structure and drives the screen (61) to deform upwards or downwards; the part of the driving shaft (5) positioned in the mixing cavity is provided with a mixing structure (51), and the driving shaft (5) is also connected with a driver and is in forward and reverse rotation under the action of the driver;

The impurity removing structure comprises an impurity removing pipe (8) which is flush with the outer side edge of the screen (61), the upper end of the impurity removing pipe (8) is communicated to the inside of the screening cavity, and an impurity collecting box (81) is arranged at the lower port of the impurity removing pipe (8);

The screw thread structure comprises an internal thread sleeve (6), wherein an external thread is arranged on the part of the driving shaft (5) positioned in the screening cavity and is matched with the internal thread sleeve (6), the internal thread sleeve (6) is fixedly connected with the screen (61), and when the driving shaft (5) rotates, the internal thread sleeve (6) axially displaces along the driving shaft (5) and drives the screen (61) to deform;

the screen (61) comprises a plurality of meshes formed by hinging, and the meshes are hinged with the internal thread sleeve (6);

The device is characterized in that a controller is arranged on the box body (1), an inductor (7) for detecting the upward protruding degree and the downward recessed degree of the screen (61) is arranged on the box body (1), the inductor (7) is electrically connected with the controller, and the controller is used for controlling the driver to positively and negatively rotate so that the screen (61) is enabled to be protruding upwards and recessed within a limited range.

2. The municipal sewage treatment device according to claim 1, wherein: the box body (1) is provided with a plurality of feeding structures (11) corresponding to the screening cavities.

3. The municipal sewage treatment device according to claim 1, wherein: the box body (1) is provided with a plurality of discharging structures which are correspondingly matched with the mixing cavity.

4. The municipal sewage treatment device according to claim 1, wherein: the mixing structure (51) comprises at least mixing blades which rotate synchronously with the drive shaft (5).

5. The municipal sewage treatment device according to claim 1, wherein: the driver comprises a positive and negative motor, and an output shaft of the positive and negative motor is in transmission connection with a driving shaft (5).

6. The municipal sewage treatment apparatus according to claim 5, wherein: the lower part of the box body (1) is also provided with a driving cavity (3), and the driver is arranged in the driving cavity (3); the driving cavity (3) is provided with a heat dissipation structure, and the driver is provided with a heat dissipation piece.