CN212713004U - Urban sewage filtering and purifying device - Google Patents

Abstract

The application discloses municipal sewage filtering and purifying device relates to sewage treatment technical field. Above-mentioned municipal sewage filtration purification device includes: the sewage inlet pipe is arranged at the top of the filtering bin and is communicated with the inside of the filtering bin, the coarse filtering net and the fine filtering net cover the whole cross section of the filtering bin and are sequentially fixed on the inner wall of the filtering bin from top to bottom, the filtering screen flushing pipe is arranged in the filtering bin and is positioned above the coarse filtering net, the filtering screen is positioned below the fine filtering net, a back flushing pipe for flushing the filtering screen is arranged below the filtering screen, a sedimentation tank is arranged at the bottom of the filtering bin, and the purifying mechanism is communicated with an outlet of the sedimentation tank. The scheme of this application can improve city sewage's filtration efficiency and purifying effect.

Description

Urban sewage filtering and purifying device

Technical Field

The application relates to the technical field of sewage treatment, in particular to a municipal sewage filtering and purifying device.

Background

Along with the increasing of human social activities and the continuous development of modern construction, the water demand of urban industry, living and public infrastructure is increased sharply, and the sewage problem caused by the application of a large amount of water resources is more serious, so that the treatment of urban sewage by a reasonable and effective method is not only beneficial to avoiding the damage of sewage to the urban environment, but also beneficial to promoting the sustainable development of water resources. Present sewage filtration clarification plant uses grid, screen cloth, sand, filter cloth, micropore pipe as filtering medium, though can filter certain impurity in the sewage, but along with the increase of live time, impurity in the sewage can constantly deposit in filtering medium top, both influences filtration efficiency and influences the purifying effect again.

SUMMERY OF THE UTILITY MODEL

The application provides a municipal sewage filtering and purifying device, which can improve the filtering efficiency and the purifying effect of municipal sewage.

In order to solve the technical problem, the application provides a municipal sewage filtering and purifying device in a first aspect, which comprises a filtering bin, a sewage inlet pipe, a filter screen flushing pipe, a coarse filter screen, a fine filter screen, a screen and a purifying mechanism, wherein the sewage inlet pipe is arranged at the top of the filtering bin and is communicated with the inside of the filtering bin, the coarse filter screen and the fine filter screen are covered on the whole cross section of the filtering bin and are sequentially fixed on the inner wall of the filtering bin from top to bottom, the filter screen flushing pipe is arranged in the filtering bin and is positioned above the coarse filter screen, the screen is positioned below the fine filter screen, a back flushing pipe for flushing the screen is arranged below the screen, a sedimentation tank is arranged at the bottom of the filtering bin, and the purifying mechanism is communicated with an outlet of the sedimentation tank.

Based on the first aspect of the application, in a first possible implementation manner, a first sewage discharge port and a second sewage discharge port are formed in two opposite sides of a joint of the coarse filter screen and the inner wall of the filter bin; a third sewage draining outlet and a fourth sewage draining outlet are formed in the opposite sides of the joint of the fine filter screen and the inner wall of the filter bin; and a fifth sewage draining outlet is formed at the bottom of the sedimentation tank.

Based on the first possible implementation of this application first aspect, in the second possible implementation, above-mentioned coarse filtration net and above-mentioned fine filtration net are the toper, and the top of above-mentioned coarse filtration net and above-mentioned fine filtration net all advances the pipe setting towards above-mentioned sewage.

Based on the first possible implementation of this application first aspect, in the third possible implementation, above-mentioned municipal sewage filtration purification device is still including fixing at above-mentioned filtration storehouse inner wall and being located the annular pesticide spray pipe between above-mentioned fine filtration net and above-mentioned screen cloth, has seted up a plurality of pesticide spray holes on the above-mentioned annular pesticide spray pipe, and the above-mentioned length direction who spouts the pesticide spray hole along annular pesticide spray pipe evenly sets up.

Based on the first aspect of the present application, in a fourth possible implementation manner, the purification mechanism includes a purification cabin, an ozone generator, and an ozone diffusion pipe, the purification cabin is communicated with a pipeline above the sedimentation tank, the ozone generator is installed at the top of the purification cabin and is communicated with the ozone diffusion pipe fixed inside the purification cabin through an ozone conveying pipe, the ozone diffusion pipe is provided with a uniform first vent hole, and a water outlet pipe is arranged at the bottom of the purification cabin.

Based on the fourth possible implementation manner of the first aspect of the present application, in a fifth possible implementation manner, the purification mechanism further includes a detachable plate disposed in the purification bin and located below the communication pipe, and a chlorine diffusion pipe disposed between the detachable plate and the water outlet pipe, where the chlorine diffusion pipe is provided with a second vent hole.

Based on the fourth possible implementation manner of the first aspect of the present application, in a sixth possible implementation manner, the purification mechanism further includes an activated carbon layer disposed between the detachable plate and the chlorine gas diffusion pipe, and the activated carbon layer covers the entire transverse base surface of the purification cabin.

Based on the sixth possible implementation manner of the first aspect of the present application, in a seventh possible implementation manner, the activated carbon layer includes a gauze layer and an activated carbon adsorption layer, and the gauze layer covers the outside of the activated carbon adsorption layer.

Based on the seventh possible implementation manner of the first aspect of the present application, in an eighth possible implementation manner, the left and right sides of the filtering bin are respectively provided with a manhole and an observation hole.

Based on the seventh possible implementation manner of the first aspect of the present application, in a ninth possible implementation manner, the bottom of the purification bin is further provided with a sampling window.

The application provides a municipal sewage filtration purification device's beneficial effect lies in: compared with the prior art, the municipal sewage filtering and purifying device provided by the scheme comprises a filtering bin, sewage enters a pipe, a filter screen flushing pipe, a coarse filter screen, a fine filter screen, a screen mesh and a purifying mechanism, the sewage enters the pipe and is arranged at the top of the filtering bin and communicated with the inside of the filtering bin, the coarse filter screen and the fine filter screen are both covered on the whole cross section of the filtering bin and are sequentially fixed on the inner wall of the filtering bin from top to bottom, the filter screen flushing pipe is arranged in the filtering bin and positioned above the coarse filter screen, the screen mesh is positioned below the fine filter screen, a back flushing pipe for flushing the screen mesh is arranged below the screen mesh, a sedimentation tank is arranged at the bottom of the filtering bin, and the purifying mechanism is communicated with an outlet of the sedimentation tank. Because long-time use can make the medium deposit in the sewage on filter media, influence filtration efficiency and purifying effect, the filter screen flushing pipe that this application provided can wash coarse filtration net and fine filtration net, the backwash pipe that this application provided can wash the screen cloth, reduces the deposit of impurity on the filter media, consequently, above-mentioned municipal sewage filtration purification device can improve municipal sewage's filtration efficiency and purifying effect.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the embodiments or the description of the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic structural diagram of an embodiment of a municipal sewage filtering and purifying device provided by the present application;

FIG. 2 is a schematic diagram illustrating one embodiment of a screen flush tube provided herein;

FIG. 3 is a schematic structural diagram of one embodiment of a sewage draining exit provided by the present application;

FIG. 4 is a schematic structural view of one embodiment of the annular spray tube provided herein;

FIG. 5 is a schematic structural view of one embodiment of a purification mechanism provided herein;

fig. 6 is a schematic structural diagram of another embodiment of the purification mechanism provided in the present application.

In the figure: 101-a filtration bin; 102-a sewage inlet pipe; 103-a screen flushing pipe; 1031-washing well; 104-coarse filter screen; 1041-a first drain outlet; 1042 — a second sewage drain; 105-fine filter screen; 1051-a third drain; 1052-fourth sewage draining exit; 106-mesh screen; 1061-backwash tube; 107-a purification mechanism; 1071-purification bin; 1072-ozone generator; 1073-ozone diffusion tube; 1074-a first vent; 1075-water outlet pipe; 1076 — communicating tube; 1077-removable plates; 1078-chlorine gas diffusion tube; 1079-second vent; 1010-a sedimentation tank; 1011-fifth sewage draining exit; 108-annular spray pipe; 1081-spray orifice.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. However, it will be apparent to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, elements, components, and/or groups thereof.

It is also to be understood that the terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

The technical solutions in the embodiments of the present application are clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The embodiment of the application provides a municipal sewage filtering and purifying device, as shown in fig. 1, the municipal sewage filtering and purifying device comprises: filter storehouse 101, sewage and advance pipe 102, filter screen flushing pipe 103, coarse filtration net 104, fine filtration net 105, screen cloth 106 and purification mechanism 107, sewage advances the pipe 102 setting and is in filter storehouse 101 top and with filter storehouse 101 inside intercommunication, coarse filtration net 104 with fine filtration net 105 all cover in filter storehouse 101 whole cross section on and from last fixing in proper order down filter storehouse 101's inner wall, filter screen flushing pipe 103 sets up filter storehouse 101 is interior and be located coarse filtration net 104's top, screen cloth 106 is located fine filtration net 105's below, install the back flush pipe 1061 that is used for washing screen cloth 106 under the screen cloth 106, filter storehouse 101's bottom is provided with sedimentation tank 1010, purification mechanism 107 with sedimentation tank 1010's export is linked together.

In the embodiment of the present application, as shown in fig. 2, the screen flushing pipe 103 may be an annular flushing pipe, and a plurality of flushing holes 1031 are formed in the annular flushing pipe, the flushing holes 1031 are uniformly arranged along a length direction of the annular flushing pipe, and specifically, the screen flushing pipe 103 may be communicated with a pressure water pump.

Optionally, as shown in fig. 3, a first sewage draining outlet 1041 and a second sewage draining outlet 1042 are formed on two opposite sides of a joint of the coarse filter screen 104 and the inner wall of the filter bin 101; a third sewage draining outlet 1051 and a fourth sewage draining outlet 1052 are arranged on the two opposite sides of the connection part of the fine filter screen 105 and the inner wall of the filter bin 101; a fifth sewage discharge outlet 1011 is formed in the bottom of the sedimentation tank 1010.

In the embodiment of the application, the above municipal sewage filtering and purifying device further comprises a first sewage draining port, a second sewage draining port, a third sewage draining port, a fourth sewage draining port and a fifth sewage draining port, wherein the first sliding door, the second sliding door, the third sliding door, the fourth sliding door and the fifth sliding door (not shown in the figure) are respectively used for opening and closing.

Optionally, the coarse filter screen 104 and the fine filter screen 105 are both conical, and the top ends of the coarse filter screen 104 and the fine filter screen 105 are both arranged towards the sewage inlet pipe 102.

Optionally, as shown in fig. 4, the municipal sewage filtering and purifying device further comprises an annular spraying pipe 108 fixed on the inner wall of the filtering bin 101 and located between the fine filtering net 105 and the screen 106, a plurality of spraying holes 1081 are formed in the annular spraying pipe 108, and the spraying holes 1081 are uniformly arranged along the length direction of the annular spraying pipe 108.

Optionally, as shown in fig. 5, the purification mechanism 107 includes a purification bin 1071, an ozone generator 1072 and an ozone diffusion tube 1073, the purification bin 1071 is communicated with the pipeline above the sedimentation tank 1010, the ozone generator 1072 is installed at the top of the purification bin 1071 and is communicated with the ozone diffusion tube 1073 fixed inside the purification bin 1071 through an ozone delivery pipe (not shown in the figure), the ozone diffusion tube 1073 is provided with a uniform first vent hole 1074, and the bottom of the purification bin 1071 is provided with a water outlet pipe 1075.

In this embodiment, the water outlet pipe 1075 is provided with a switch valve.

Optionally, as shown in fig. 6, the purification mechanism 107 further includes a detachable plate 1077 disposed in the purification bin 1071 and located below the communicating pipe 1076, and a chlorine gas diffusion pipe 1078 disposed between the detachable plate 1077 and the water outlet pipe 1075, and the chlorine gas diffusion pipe is provided with a second vent 1079.

Optionally, the purification mechanism 107 further includes an activated carbon layer disposed between the detachable plate 1077 and the chlorine diffusion pipe 1078, and the activated carbon layer covers the entire lateral base surface of the purification bin 1071.

Optionally, the activated carbon layer includes gauze layer and activated carbon adsorption layer, gauze layer lid is established activated carbon adsorption layer's outside.

Optionally, the left and right sides of the filter bin 1071 are respectively provided with an inspection hole and an observation hole.

Optionally, a sampling window is further disposed at the bottom of the purification bin 1071.

From the above, the municipal sewage filtering and purifying device provided by the scheme of the application comprises a filtering bin 101, a sewage inlet pipe 102, a filter screen flushing pipe 103, a coarse filter screen 104, a fine filter screen 105, a screen 106 and a purifying mechanism 107, the sewage inlet pipe 102 is disposed at the top of the filtering silo 101 and is communicated with the inside of the filtering silo 101, the coarse filter screen 104 and the fine filter screen 105 are covered on the whole cross section of the filter bin 101 and are sequentially fixed on the inner wall of the filter bin 101 from top to bottom, the screen washing pipe 103 is provided in the filter tank 101 above the coarse filter screen 104, the screen 106 is positioned below the fine filter screen 105, a back washing pipe 1061 for washing the screen 106 is installed below the screen 106, a sedimentation tank 1010 is arranged at the bottom of the filtering bin 101, and the purifying mechanism 107 is communicated with an outlet of the sedimentation tank 1010. Because long-time use can make the medium deposit in the sewage on filter media, influence filtration efficiency and purifying effect, the filter screen flushing pipe that this application provided can wash coarse filtration net and fine filtration net, the backwash pipe that this application provided can wash the screen cloth, reduces the deposit of impurity on the filter media, consequently, above-mentioned municipal sewage filtration purification device can improve municipal sewage's filtration efficiency and purifying effect.

The above embodiments only express several embodiments of the present invention, and therefore, the present invention is not limited to the above embodiments. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes and modifications can be made, which are within the scope of the present invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides an urban sewage filters purifier, its characterized in that advances pipe, filter screen flushing pipe, coarse filtration net, fine filtration net, screen cloth and purification mechanism including filtering storehouse, sewage advance the pipe setting be in filter storehouse top and with filter the inside intercommunication in storehouse, coarse filtration net with fine filtration net all cover in filter on the whole cross section in storehouse and from last fixing in proper order down the inner wall in filter storehouse, the filter screen flushing pipe sets up filter the storehouse in and be located coarse filtration net's top, the screen cloth is located fine filtration net's below, install the back flush pipe that is used for washing the screen cloth under the screen cloth, the bottom of filtering the storehouse is provided with the sedimentation tank, purification mechanism with the export of sedimentation tank is linked together.

2. The municipal sewage filtering and purifying device according to claim 1, wherein a first drain outlet and a second drain outlet are provided on opposite sides of the joint of the coarse filter screen and the inner wall of the filtering bin; a third sewage draining outlet and a fourth sewage draining outlet are formed in the opposite sides of the joint of the fine filter screen and the inner wall of the filter bin; and a fifth sewage draining outlet is formed in the bottom of the sedimentation tank.

3. The municipal sewage filtering and purifying device according to claim 2, wherein the coarse filter screen and the fine filter screen are both conical, and the top ends of the coarse filter screen and the fine filter screen are both arranged towards the sewage inlet pipe.

4. The municipal sewage filtering and purifying device according to claim 2, further comprising an annular spraying pipe fixed to the inner wall of the filtering bin and located between the fine filtering net and the screen, wherein the annular spraying pipe is provided with a plurality of spraying holes, and the spraying holes are uniformly arranged along the length direction of the annular spraying pipe.

5. The municipal sewage filtering and purifying device according to claim 1, wherein the purifying mechanism comprises a purifying cabin, an ozone generator and an ozone diffusion pipe, the purifying cabin is communicated with the pipeline above the sedimentation tank, the ozone generator is installed on the top of the purifying cabin and is communicated with the ozone diffusion pipe fixed inside the purifying cabin through an ozone conveying pipe, the ozone diffusion pipe is provided with uniform first vent holes, and the bottom of the purifying cabin is provided with a water outlet pipe.

6. The municipal sewage filtering and purifying device according to claim 5, wherein the purifying mechanism further comprises a detachable plate disposed in the purifying bin and below the communicating pipe, and a chlorine gas diffusing pipe disposed between the detachable plate and the water outlet pipe, wherein the chlorine gas diffusing pipe is provided with a second vent hole.

7. The municipal sewage filtering and purifying device according to claim 6, wherein the purifying mechanism further comprises an activated carbon layer disposed between the detachable plate and the chlorine diffusing pipe, and the activated carbon layer covers the entire transverse base surface of the purifying cabin.

8. The municipal sewage filtering and purifying device according to claim 7, wherein the activated carbon layer comprises a gauze layer and an activated carbon adsorption layer, and the gauze layer covers the outside of the activated carbon adsorption layer.

9. The municipal sewage filtering and purifying device according to claim 8, wherein the left and right sides of the filtering bin are respectively provided with a manhole and an observation hole.

10. The municipal sewage filtering and purifying device according to claim 8, wherein the bottom of the purifying bin is further provided with a sampling window.

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