Multi-filtration municipal sewage treatment equipment

Abstract

The utility model discloses municipal sewage treatment equipment with a multi-filtration function, relates to the technical field of sewage treatment, and aims to solve the problems that in the prior art, a large number of large-diameter impurities are often contained in municipal sewage, and the large-diameter impurities cannot be separated from the sewage in a manner of performing multi-stage filtration on the sewage by adopting a filter screen; and the difficulty of manual cleaning is increased. The lower ends of the two inclined flow guide plates are jointly and fixedly connected with a semicircular blocking net, a conical blocking net is jointly and fixedly connected between one side of the semicircular blocking net and the end face of one side in the primary filtering box, a first spiral blade is rotationally connected into the semicircular blocking net, and a conical spiral blade is rotationally connected into the conical blocking net; a semicircular blocking net and a conical blocking net are arranged and are matched with rotation of a first spiral blade and a conical spiral blade, so that large-diameter impurities in municipal sewage are effectively intercepted and automatically conveyed, and the tedious process that a worker enters a treatment channel for salvaging is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field, concretely is a kind of municipal sewage treatment equipment of multiple filtration. BACKGROUND

[0002] Municipal sewage treatment refers to the process of centralized treatment of domestic sewage, industrial wastewater and runoff sewage within urban areas. These wastewaters are usually collected by urban pipes and then transported to municipal wastewater treatment plants for treatment. The treatment process involves various technologies, including physical treatment (such as sedimentation, filtration), chemical treatment (such as coagulation, neutralization) and biological treatment (such as activated sludge method, biofilm method) and so on. The purpose of municipal sewage treatment is to remove or reduce harmful substances in wastewater, so that it meets the water quality standards for discharge into water bodies or reuse, thereby protecting the natural environment and water resources, and ensuring urban environmental health and water quality safety.

[0003] For example, the authorized announcement number CN222389600U, a kind of municipal sewage treatment equipment of multiple filtration, including sewage treatment channel main body and first plate body and second plate body, the first plate body is installed on sewage treatment channel main body top, the second plate body is arranged in the left side of first plate body.The municipal sewage treatment equipment provided by the utility model is provided with two-stage filtration mode, wherein the first-stage filtration is the linkage of first plate body and second plate body, the second plate body drives first plate body to move to one side using driving component, and automatic cleaning work can also be completed during filtration, without the need for pipe closure work, and the multiple secondary filter plates inside the sewage treatment channel main body can also perform secondary filtration on sewage, so that the multiple filtration mode makes the preliminary filtration of municipal sewage more thorough, and also increases the time interval for cleaning the filter screen by workers, thereby improving equipment practicality.

[0004] Since municipal sewage often contains a large amount of large-diameter impurities, the above-mentioned technology uses filter screen to perform multi-stage filtration on sewage, which cannot separate large-diameter impurities from sewage, resulting in the need for personnel to enter the treatment channel to salvage large-diameter impurities, thereby increasing the difficulty of manual cleaning. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of municipal sewage treatment equipment of multiple filtration to solve the problem that personnel need to enter the treatment channel to salvage large-diameter impurities due to the large amount of large-diameter impurities in municipal sewage, and the multi-stage filtration mode using filter screen in the prior art cannot separate large-diameter impurities from sewage, thereby increasing the difficulty of manual cleaning.

[0006] In order to achieve the above object, the utility model provides following technical scheme: A municipal sewage treatment equipment of multiple filtration, including primary filter case, filter water tank and static bin, both ends of the upper end of the inside one side of primary filter case are fixedly connected with the front and back two ends of oblique guide vane, the lower end of two oblique guide vanes is fixedly connected with semicircle blocking net in common, the one side of semicircle blocking net and the inside one side end surface of primary filter case are fixedly connected with conical blocking net in common, the inside of semicircle blocking net is rotatably connected with first helical blade, the inside of conical blocking net is rotatably connected with conical helical blade, one side of primary filter case is fixedly connected with filter water tank, the middle part of the inside of filter water tank is provided with support frame, the lower end of primary filter case is fixedly connected with static bin.

[0007] Preferably, the first helical blade and the conical helical blade are fixedly connected with a first rotating shaft at the middle part, a first driving device is fixedly arranged on the other side end surface of the primary filter case, and a first motor is fixedly arranged in the first driving device.

[0008] Preferably, one end of the first rotating shaft extends to the inside of the first driving device through the one side end surface of the primary filter case and is connected with the output end of the first motor through a shaft coupling, and the one side of the conical blocking net communicates with the upper end of the inside of the filter water tank through the one side end surface of the primary filter case.

[0009] Preferably, a rectangular blocking net is arranged on the lower end surface of the support frame, a hydraulic rod is fixedly arranged on the middle part of the lower end surface of the filter water tank, the upper end of the extension end of the hydraulic rod extends to the inside of the filter water tank and is fixedly connected with the lower end middle part of the rectangular blocking net, and the lower end of the one side end surface of the filter water tank communicates with the inside of the static bin through a rectangular opening.

[0010] Preferably, the lower end of the primary filter case communicates with the inside of the static bin, a trapezoidal static groove is arranged in the inside of the static bin, a sludge discharge pipe is fixedly connected to the lower end of the one side end surface of the static bin, a second rotating shaft is rotatably connected between the lower end of the inside of the trapezoidal static groove and the inside of the sludge discharge pipe, and a second helical blade is fixedly connected to the second rotating shaft.

[0011] Preferably, a second driving device is fixedly arranged on the lower end of the other side end surface of the static bin, a second motor is fixedly arranged in the second driving device, and one end of the second rotating shaft extends to the inside of the second driving device and is connected with the second motor through a shaft coupling.

[0012] Preferably, a sewage pipe is arranged on the one side of the middle part of the rear end of the upper end surface of the primary filter case, a sewage overflow pipe is fixedly connected to the middle part of the rear end surface of the static bin, and the sewage overflow pipe communicates with the inside of the trapezoidal static groove.

[0013] Compared with the prior art, the utility model has the beneficial effects that:

[0014] (1) The utility model discloses a half circle barrier net and conical barrier net are set up, cooperate the rotation of first helical blade and conical helical blade, realize the effective interception and automatic delivery of large diameter impurities in municipal sewage, avoid the cumbersome process of manual entry treatment channel and salvage, reduce the difficulty and labor intensity of manual cleaning.

[0015] (2) The utility model discloses a trapezoidal static tank is set up, and small silt and other impurities in sewage can be deposited in tank bottom in the static process, thereby realizing the further purification of sewage. Meanwhile, through the rotation of second helical blade, the deposited silt can be conveniently discharged from the sludge discharge pipe, improving the efficiency and convenience of silt treatment.

[0016] (3) The utility model discloses a rectangular barrier net in the water filter box can effectively intercept large diameter impurities, and the automatic lifting and cleaning of impurities are realized through the telescopic action of hydraulic rod, further improving the automation degree and efficiency of sewage treatment. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view of a multiple filtration municipal sewage treatment equipment of the utility model;

[0018] Figure 2 It is the front view of a multiple filtration municipal sewage treatment equipment of the utility model;

[0019] Figure 3 It is the front view of a multiple filtration municipal sewage treatment equipment of the utility model;

[0020] Figure 4 It is the front view of a multiple filtration municipal sewage treatment equipment of the utility model;

[0021] In the drawing: 1, primary filter box;101, inclined guide plate;102, half circle barrier net;103, conical barrier net;104, sewage pipe;2, first rotating shaft;201, first helical blade;202, conical helical blade;3, first drive device;301, first motor;4, water filter box;401, rectangular opening;402, hydraulic rod;403, support frame;404, rectangular barrier net;5, static bin;501, trapezoidal static tank;502, sludge discharge pipe;503, sewage overflow pipe;6, second rotating shaft;601, second helical blade;7, second drive device;701, second motor. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0023] Please refer to Figures 1-4The utility model provides a kind of municipal sewage treatment equipment of multiple filtration, including primary filter box 1, filter tank 4 and stationary bin 5, the rear end middle part one side of primary filter box 1 upper end face is provided with sewage pipe 104, municipal sewage falls into primary filter box 1 inside by sewage pipe 104, the front and rear ends of the upper end of the one side inside primary filter box 1 are all fixedly connected with oblique guide vane 101, two oblique guide vanes 101 lower end are commonly fixedly connected with semicircle blocking net 102, semicircle blocking net 102 one side and the one side end face between inside primary filter box 1 are commonly fixedly connected with conical blocking net 103, large-diameter sundries in sewage are filtered first by semicircle blocking net 102 and conical blocking net 103, first helical blade 201 is rotatably connected in semicircle blocking net 102, conical helical blade 202 is rotatably connected in conical blocking net 103, first helical blade 201 and conical helical blade 202 middle part are commonly fixedly connected with first rotating shaft 2, first driving device 3 is fixedly arranged on the other side end face of primary filter box 1, first motor 301 is fixedly arranged in first driving device 3, first rotating shaft 2 one end extends to the inside of first driving device 3 and is connected by shaft coupling with the output end of first motor 301 by passing through the one side end face of primary filter box 1, filter tank 4 is fixedly connected with the one side of primary filter box 1, the one side of conical blocking net 103 passes through the one side end face of primary filter box 1 and is communicated with the upper end inside filter tank 4, rotate first rotating shaft 2 by first motor 301, then make first rotating shaft 2 synchronously drive first helical blade 201 and conical helical blade 202 rotate, so that first helical blade 201 and conical helical blade 202 drive large-diameter impurities after filtering to one side and are sent into filter tank 4 inside and are uniformly collected.

[0024] Please refer to Figure 2 and Figure 3The lower end of the primary filtering box 1 is fixedly connected with a standing bin 5, the lower end of the primary filtering box 1 is in communication with the inside of the standing bin 5, the inside of the standing bin 5 is provided with a trapezoidal standing groove 501, the sewage filtered through the primary filtering box 1 enters the trapezoidal standing groove 501 to stand, so that the sludge impurities in the sewage stand and deposit, the middle of the rear end face of the standing bin 5 is fixedly connected with a sewage overflow pipe 503, the sewage overflow pipe 503 is in communication with the inside of the trapezoidal standing groove 501, the sewage standing on the upper layer is discharged through the sewage overflow pipe 503 for subsequent treatment, the lower end of the one side end face of the standing bin 5 is fixedly connected with a sludge discharge pipe 502, the sludge discharge pipe 502 is initially in a closed state, the inside of the lower end of the trapezoidal standing groove 501 and the inside of the sludge discharge pipe 502 are jointly and rotatably connected with a second rotating shaft 6, the second rotating shaft 6 is fixedly connected with a second spiral blade 601, the lower end of the other side end face of the standing bin 5 is fixedly provided with a second driving device 7, the inside of the second driving device 7 is fixedly provided with a second motor 701, one end of the second rotating shaft 6 extends to the inside of the second driving device 7 and is connected with the second motor 701 through a shaft coupling, when a large amount of sludge impurities deposit in the lower end of the trapezoidal standing groove 501, the sludge discharge pipe 502 is opened, the second rotating shaft 6 is driven to rotate by the second motor 701, so that the second rotating shaft 6 drives the second spiral blade 601, the second spiral blade 601 conveys the sludge impurities to the sludge discharge pipe 502 when rotating, and sludge discharge is realized

[0025] Please refer to Figure 2 and Figure 4 The middle of the inside of the filter water box 4 is provided with a supporting frame 403, the lower end face of the supporting frame 403 is provided with a rectangular blocking net 404, the lower end face of the middle of the filter water box 4 is fixedly provided with a hydraulic rod 402, the extension end of the hydraulic rod 402 extends to the inside of the filter water box 4 and is fixedly connected with the middle of the lower end of the rectangular blocking net 404, the lower end of the one side end face of the filter water box 4 is in communication with the inside of the standing bin 5 through a rectangular opening 401, after large-diameter impurities enter the filter water box 4, the large-diameter impurities fall on the rectangular blocking net 404 to control water, so as to reduce the water content of the large-diameter impurities, when a large amount of large-diameter impurities accumulate on the rectangular blocking net 404, the rectangular blocking net 404 and the supporting frame 403 are lifted to the upper end of the filter water box 4 by the hydraulic rod 402, so as to facilitate manual cleaning.

[0026] Working principle: when in use, the municipal sewage first flows into the primary filtering box 1 through the sewage pipe 104. In the primary filtering box 1, the sewage is guided by the inclined guide plate 101, so that the large-diameter impurities are effectively intercepted on the semicircular blocking net 102 and the conical blocking net 103. At this time, the first motor 301 in the first driving device 3 is started, and the first motor 301 drives the first spiral blade 201 and the conical spiral blade 202 to rotate synchronously through the first rotating shaft 2. The first spiral blade 201 pushes the intercepted large-diameter impurities to one side inside the semicircular blocking net 102, and the conical spiral blade 202 performs the same operation inside the conical blocking net 103, and finally pushes the impurities into the filtering box 4. The sewage filtered by the primary filtering box 1 flows into the trapezoidal standing groove 501 of the standing bin 5, and is subjected to standing and sedimentation treatment. In this process, the fine sludge and other impurities in the sewage are deposited at the bottom of the trapezoidal standing groove 501 due to the action of gravity. The clear water in the upper layer after standing is smoothly discharged through the sewage overflow pipe 503 for subsequent advanced treatment. When the sludge in the trapezoidal standing groove 501 accumulates to a certain degree, the sludge cleaning work needs to be carried out. At this time, the sludge discharge pipe 502 is opened, and the second motor 701 in the second driving device 7 is started. The second motor 701 drives the second spiral blade 601 to rotate through the second rotating shaft 6, so as to smoothly discharge the sludge at the bottom of the trapezoidal standing groove 501 from the sludge discharge pipe 502. In the filtering box 4, the large-diameter impurities are effectively intercepted by the rectangular blocking net 404, and water control treatment is carried out to reduce the water content. When the impurities accumulated on the rectangular blocking net 404 are more, the rectangular blocking net 404 and the impurities thereon are lifted to the upper part of the filtering box 4 through the extension and retraction of the hydraulic rod 402, so as to facilitate the manual cleaning work.

[0027] It is apparent for those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and the present application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as illustrative and not restrictive, and the scope of the present application is defined by the appended claims rather than the foregoing description, and therefore all changes falling within the meaning and range of equivalents of the elements of the claims are intended to be embraced in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A multi-stage filtration municipal wastewater treatment device, comprising a primary filter box (1), a filter tank (4), and a settling chamber (5), characterized in that: The primary filter box (1) has two inclined guide plates (101) fixedly connected to the front and rear ends of the upper side of one side. The lower ends of the two inclined guide plates (101) are fixedly connected to a semi-circular barrier net (102). A conical barrier net (103) is fixedly connected between one side of the semi-circular barrier net (102) and the end face of one side of the primary filter box (1). A first spiral blade (201) is rotatably connected inside the semi-circular barrier net (102). A conical spiral blade (202) is rotatably connected inside the conical barrier net (103). A water filter box (4) is fixedly connected to one side of the primary filter box (1). A support frame (403) is provided in the middle of the water filter box (4). A settling chamber (5) is fixedly connected to the lower end of the primary filter box (1).

2. The municipal wastewater treatment equipment with multiple filtration according to claim 1, characterized in that: The first spiral blade (201) and the conical spiral blade (202) are fixedly connected to a first rotating shaft (2) in the middle. The first driving device (3) is fixedly installed on the other end face of the primary filter box (1). The first motor (301) is fixedly installed inside the first driving device (3).

3. A municipal wastewater treatment device with multiple filtration according to claim 2, characterized in that: One end of the first rotating shaft (2) extends through one side of the primary filter box (1) to the inside of the first drive device (3) and is connected to the output end of the first motor (301) via a coupling. One side of the tapered barrier net (103) extends through one side of the primary filter box (1) and is connected to the upper end of the inside of the water filter box (4).

4. A municipal wastewater treatment device with multiple filtration according to claim 1, characterized in that: A rectangular barrier net (404) is provided on the lower end face of the support frame (403). A hydraulic rod (402) is fixedly provided in the middle of the lower end face of the water filter box (4). The upper end of the telescopic end of the hydraulic rod (402) extends into the interior of the water filter box (4) and is fixedly connected to the middle of the lower end of the rectangular barrier net (404). The lower end of one side face of the water filter box (4) is connected to the interior of the static chamber (5) through a rectangular opening (401).

5. A municipal wastewater treatment device with multiple filtration according to claim 1, characterized in that: The lower end of the primary filter box (1) is connected to the interior of the settling chamber (5). The settling chamber (5) is provided with a trapezoidal settling trough (501). A sludge discharge pipe (502) is fixedly connected to the lower end of one side face of the settling chamber (5). A second rotating shaft (6) is rotatably connected between the lower end of the trapezoidal settling trough (501) and the interior of the sludge discharge pipe (502). A second spiral blade (601) is fixedly connected to the second rotating shaft (6).

6. A municipal wastewater treatment device with multiple filtration according to claim 5, characterized in that: A second drive device (7) is fixedly installed at the lower end of the other side face of the static chamber (5). A second motor (701) is fixedly installed inside the second drive device (7). One end of the second rotating shaft (6) extends into the second drive device (7) and is connected to the second motor (701) through a coupling.

7. A municipal wastewater treatment device with multiple filtration according to claim 1, characterized in that: A sewage pipe (104) is provided on one side of the middle rear end of the upper end face of the primary filter box (1), and a sewage overflow pipe (503) is fixedly connected to the middle rear end face of the settling chamber (5). The sewage overflow pipe (503) is connected to the interior of the trapezoidal settling tank (501).

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