Municipal pipe network sewage purifying and recycling system

Abstract

The invention discloses a sewage purification and recycling system for a municipal pipe network, relates to the field of sewage purification, solves the problem that an existing device is difficult to efficiently purify sewage according to requirements, and adopts the following scheme that the sewage purification and recycling system comprises a municipal water delivery pipe network serving as a sewage input end, the output end of the municipal water delivery pipe network is fixedly connected with a first-stage filter tank, a second-stage sedimentation tank and a third-stage disinfection tank in sequence, and the output end of the third-stage disinfection tank is communicated with a purified water storage tank for secondary utilization of purified water on the inner side of the output end of the third-stage disinfection tank; according to the sewage purification and recycling system for the municipal pipe network, through the arrangement of the first-stage filtering tank, the second-stage sedimentation tank, the first-stage disinfection tank and the third-stage disinfection tank, input sewage can be firstly subjected to filtering pretreatment, suspended solids in the sewage are removed, and then the sewage is subjected to efficient sedimentation and adsorption type purification through three groups of purification assemblies in the second-stage sedimentation tank; and then the disinfectant seat is used for disinfecting the sewage, so that the efficient purification of the sewage is realized, and the subsequent reutilization is facilitated.

Description

Technical Field

[0001] The invention relates to the technical field of sewage purification, and in particular to a municipal pipe network sewage purification and reuse system. Background Art

[0002] Wastewater treatment is the process of purifying wastewater to meet the water quality requirements for discharge into a water body or reuse. Wastewater treatment is widely used in various fields such as construction, agriculture, transportation, energy, petrochemicals, environmental protection, urban landscape, medical care, and catering, and is increasingly entering the daily lives of ordinary people.

[0003] After searching, the application with patent number 201921528640.4 discloses a municipal pipe network sewage purification and reuse system, including a bottom plate, a sedimentation tank, a filter box, a disinfection box and a first support plate are arranged on the top of the bottom plate, and a first water pump is arranged in the sedimentation tank; the utility model, through the arrangement of the sedimentation tank, the filter box and the disinfection box, can precipitate, filter and disinfect the sewage to achieve the purpose of reuse, under the joint action of the electric push rod, the first motor, the threaded column and the threaded cap, etc., the box cover can be separated from the box body first, and then the box cover can be removed from the top of the box body, so that the filter cartridge can be taken out from the first support block and the second support block, thereby facilitating the replacement of the filter cartridge, and the operation is simple and convenient. Through the arrangement of the baffle, the sewage is prevented from directly contacting the filter screen without any buffering effect, and the filter screen is protected;

[0004] The above application documents achieve corresponding purification of sewage and protection of the filter net through the setting of various components, but the overall system reuse has not been disclosed, and the structure of the existing sedimentation tank is relatively simple, and purification is achieved through long-term sewage sedimentation inside it, which has low efficiency. In addition, before reuse, disinfectants need to be added to disinfect and purify the sewage, but they are generally placed directly on the water surface, resulting in limited purification effect on the bottom sewage.

[0005] Therefore, we proposed a municipal pipe network sewage purification and reuse system. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a municipal pipe network sewage purification and reuse system, which solves the problem that the existing devices are difficult to efficiently purify sewage according to demand.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: a municipal pipe network sewage purification and reuse system, comprising a municipal water pipe network as a sewage input end, the output end of the municipal water pipe network is fixedly connected with a primary filtration tank, a secondary sedimentation tank and a tertiary disinfection tank in sequence, and the output end of the tertiary disinfection tank is connected with a clean water reservoir for secondary utilization of the clean water inside the tertiary disinfection tank;

[0008] The main body of the three-level disinfection pool is the disinfection pool, a second top cover is mounted on the top of the disinfection pool, a disinfectant seat for storing disinfectant is fixedly mounted on the bottom of the inner side of the disinfection pool, a reflux component is fixedly mounted on the top of the disinfectant seat, the main body of the reflux component is a pump body, a pipette seat as its input end is provided on the bottom side of the pump body, and a dispensing tube is fixedly connected to the output end of the pump body.

[0009] As a preferred solution of the municipal pipe network sewage purification and reuse system of the present invention, the main body of the liquid pipe seat is a circular seat, and ten groups of input pipes distributed in a ring are fixedly connected to the outer wall of the liquid pipe seat, and the outer end of each group of input pipes is located above the disinfectant seat;

[0010] Among them, the setting of multiple groups of input pipes can be connected with the circular seat, so as to act as the input end to suck in the purified water around the bottom disinfectant seat, so as to realize liquid circulation inside the disinfection pool, thereby ensuring the contact efficiency between the sewage inside and the disinfectant, thereby achieving the effect of efficient disinfection of the sewage.

[0011] As a preferred solution of the municipal pipe network sewage purification and reuse system of the present invention, the liquid distribution pipe includes a main pipe and a branch pipe, the main pipe is an empty steel pipe, the bottom end of the main pipe is fixedly connected to the output end of the liquid suction pipe seat, and the top end of the main pipe is fixedly connected to the branch pipe;

[0012] Among them, the setting of the empty steel pipe can ensure its stability, and the setting of the liquid distribution pipe can spray the fluid sucked by the pump body from the top side downward onto the water surface, realizing liquid circulation and ensuring the disinfection effect.

[0013] As a preferred solution of the municipal pipe network sewage purification and reuse system of the present invention, the outer end of the branch pipe is an arc-shaped pipe, the branch pipe is a four-way pipe, and the top end of the branch pipe is above the liquid surface inside the disinfection tank;

[0014] Among them, the setting of the branch four-way pipe is convenient for the efficient output of the liquid flow sucked by the pipette seat, ensuring the liquid circulation effect. At the same time, the setting on the top side of the liquid surface can also ensure that the liquid flow in contact with the disinfectant on the bottom side is merged into the liquid flow not in contact with the top side, ensuring the purification effect of sewage.

[0015] As a preferred solution of the municipal pipe network sewage purification and reuse system of the present invention, the main body of the secondary sedimentation tank is a sedimentation tank, the input and output ends of the sedimentation tank are respectively provided with a first liquid inlet pipe and a first liquid discharge pipe, the input and output ends of the disinfection tank are respectively provided with a second liquid inlet pipe and a second liquid discharge pipe, and the sedimentation tank is connected to the tertiary disinfection tank through the connection between the first liquid discharge pipe and the second liquid inlet pipe;

[0016] Among them, the arrangement of each pipeline facilitates the connection between the primary filtration tank, the secondary sedimentation tank, and the primary and tertiary disinfection tanks, thereby realizing automatic multiple purification of sewage.

[0017] As a preferred solution of the municipal pipe network sewage purification and reuse system of the present invention, a first top cover is fixedly installed on the top of the sedimentation tank, and three groups of purification components are installed on the inner side of the sedimentation tank in a spaced manner in the vertical direction;

[0018] Among them, the setting of the first top cover can prevent external impurities from entering and affecting the water quality, while the setting of three groups of purification components can perform triple purification of sewage in the vertical direction to ensure the purification effect.

[0019] As a preferred solution of the municipal pipe network sewage purification and reuse system of the present invention, the purification component is composed of a mesh plate seat and a purification layer on the top side thereof, the mesh plate seat is a U-shaped frame, the bottom plate of the purification component is provided with leakage holes distributed in a filled shape, and the purification layer is composed of a gauze bag and a filler inside thereof;

[0020] Among them, the setting of the mesh plate seat can provide support for the purification layer and ensure the unblocking effect of the liquid flow.

[0021] As a preferred solution of the municipal pipe network sewage purification and reuse system of the present invention, the three groups of purification layers from top to bottom inside the sedimentation tank are filled with sand and gravel materials with different radii in sequence;

[0022] Among them, the radius of the sand and gravel materials in the three groups of purification layers decreases successively from top to bottom, thereby achieving the effect of gradually purifying the sewage and ensuring the purification efficiency.

[0023] As a preferred solution of the municipal pipe network sewage purification and reuse system described in the present invention, the input end of the municipal water supply network pipe is fixedly connected to the municipal rainwater pipe, the municipal sewer pipe and the municipal sewage pipe, and a filter is fixedly installed in the municipal sewage pipe.

[0024] The present invention provides a municipal pipe network sewage purification and reuse system. It has the following beneficial effects:

[0025] 1. The municipal pipe network sewage purification and reuse system, through the setting of the primary filter tank, the secondary sedimentation tank and the first and third disinfection tanks, can filter and pre-treat the input sewage to remove the suspended matter, and then the three groups of purification components in the secondary sedimentation tank will efficiently precipitate and adsorb the sewage to ensure the purification efficiency, and then the disinfectant seat will disinfect the sewage, thereby achieving efficient purification of the sewage for subsequent reuse, solving the problem that the existing device is difficult to efficiently purify the sewage according to demand;

[0026] 2. The municipal pipe network sewage purification and reuse system, through the setting of the middle reflux component, can absorb the liquid flow that contacts the disinfectant on the bottom side of the inner side of the disinfection tank and output the liquid flow outward from the liquid distribution pipe on the top side, so that it contacts the liquid flow on the top side, thereby achieving the effect of efficient disinfection and purification of all sewage, and further ensuring the purification effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a structural schematic diagram of the present invention;

[0028] Figure 2 It is a structural schematic diagram of the water delivery network of the present invention;

[0029] Figure 3 It is a structural schematic diagram of the sedimentation tank of the present invention;

[0030] Figure 4 It is a structural schematic diagram of the inner side of the sedimentation tank of the present invention;

[0031] Figure 5 It is a schematic diagram of the structure of the evolution component of the present invention;

[0032] Figure 6 It is a structural schematic diagram of the disinfection pool of the present invention;

[0033] Figure 7 It is a structural schematic diagram of the inner side of the disinfection pool of the present invention;

[0034] Figure 8 It is a schematic diagram of the structure of the reflux component of the present invention.

[0035] In the figure: 11, sedimentation tank; 12, first top cover; 13, first liquid inlet pipe; 14, first liquid discharge pipe; 15, purification component; 151, mesh plate seat; 152, purification layer; 21, disinfection tank; 22, second top cover; 23, second liquid inlet pipe; 24, second liquid discharge pipe; 25, disinfectant seat; 26, reflux component; 261, suction tube seat; 262, pump body; 263, liquid dispensing pipe. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figure 1-8The embodiment of the present invention provides a technical solution: a municipal pipe network sewage purification and reuse system, comprising a municipal water pipe network as a sewage input end, the output end of the municipal water pipe network is fixedly connected with a primary filtration tank, a secondary sedimentation tank and a tertiary disinfection tank in sequence, and the output end of the tertiary disinfection tank is connected with a clean water reservoir for secondary utilization of the clean water inside the tertiary disinfection tank;

[0038] The input end of the municipal water supply network pipe is fixedly connected to the municipal rainwater pipe, municipal sewer pipe and municipal sewage pipe, and a filter is fixedly installed in the municipal sewage pipe;

[0039] Among them, the municipal pipe network sewage purification and reuse system, through the setting of a primary filter tank, a secondary sedimentation tank and a first-level and third-level disinfection tank, can first filter and pre-treat the input sewage to remove suspended matter, and then the three groups of purification components 15 in the secondary sedimentation tank efficiently precipitate and adsorb the sewage to ensure the purification efficiency, and then the disinfectant seat 25 in 2 disinfects the sewage, thereby achieving efficient purification of the sewage for subsequent reuse, solving the problem that the existing device is difficult to efficiently purify sewage according to demand.

[0040] Embodiment 2:

[0041] The main body of the tertiary disinfection pool is the disinfection pool 21, and a second top cover 22 is mounted on the top of the disinfection pool 21. A disinfectant seat 25 for storing disinfectant is fixedly mounted on the bottom of the inner side of the disinfection pool 21, and a reflux component 26 is fixedly mounted on the top of the disinfectant seat 25. The main body of the reflux component 26 is a pump body 262. A pipette seat 261 as its input end is provided on the bottom side of the pump body 262, and a dispensing tube 263 is fixedly connected to the output end of the pump body 262.

[0042] The main body of the pipette seat 261 is a circular seat, and ten groups of input tubes distributed in a ring are fixedly connected to the outer wall of the pipette seat 261, and the outer end of each group of input tubes is located above the disinfectant seat 25; wherein, the arrangement of multiple groups of input tubes can be connected to the circular seat, so as to serve as the input end to suck in the purified water around the bottom disinfectant seat 25, so as to realize liquid circulation on the inner side of the disinfection tank 21, thereby ensuring the contact efficiency between the sewage inside and the disinfectant, thereby achieving the effect of efficient disinfection of the sewage.

[0043] The liquid dispensing tube 263 includes a main tube and a branch tube. The main tube is a hollow steel tube. The bottom end of the main tube is fixedly connected to the output end of the pipette holder 261, and the top end of the main tube is fixedly connected to the branch tube. The setting of the hollow steel tube can ensure its stability, and the setting of the liquid dispensing tube 263 can spray the fluid sucked by the pump body 262 from the top side downward onto the water surface, thereby realizing liquid circulation and ensuring the disinfection effect.

[0044] The outer end of the branch pipe is an arc-shaped pipe, the branch pipe is a four-way pipe, and the top of the branch pipe is above the liquid surface inside the disinfection tank 21; wherein, the setting of the branch pipe four-way pipe is convenient for efficiently outputting the liquid flow sucked in by the pipette seat 261, ensuring the liquid circulation effect, and at the same time, the setting on the top side of the liquid surface can also ensure that the liquid flow in contact with the disinfectant on the bottom side merges into the liquid flow not in contact with the top side, ensuring the purification effect of the sewage.

[0045] Among them, the municipal pipe network sewage purification and reuse system, through the setting of the reflux component 26, can absorb the liquid flow that contacts the disinfectant on the bottom side of the inner side of the disinfection tank 21 and output the liquid flow to the outside from the liquid distribution pipe 263 on the top side, so that it contacts the liquid flow on the top side, thereby achieving the effect of efficient disinfection and purification of all sewage, and further ensuring the purification effect.

[0046] Embodiment 3:

[0047] The main body of the secondary sedimentation tank is the sedimentation tank 11, and the input and output ends of the sedimentation tank 11 are respectively provided with a first liquid inlet pipe 13 and a first liquid discharge pipe 14, and the input and output ends of the disinfection tank 21 are respectively provided with a second liquid inlet pipe 23 and a second liquid discharge pipe 24, and the sedimentation tank 11 is connected with the second liquid inlet pipe 23 through the connection between the secondary sedimentation tank and the tertiary disinfection tank; wherein, the arrangement of each pipeline facilitates the connection between the primary filtration tank, the secondary sedimentation tank and the first and third disinfection tanks, so as to realize automatic multiple purification of sewage.

[0048] A first top cover 12 is fixedly installed on the top of the sedimentation tank 11, and three groups of purification components 15 are installed on the inner side of the sedimentation tank 11 in a spaced manner in the vertical direction; wherein, the setting of the first top cover 12 can prevent external impurities from entering therein and affecting the water quality, and the setting of the three groups of purification components 15 can perform triple purification of sewage in the vertical direction to ensure the purification effect.

[0049] The purification component 15 is composed of a mesh seat 151 and a purification layer 152 on the top side thereof. The mesh seat 151 is a U-shaped frame. Leakage holes distributed in a filled shape are opened in the bottom plate of the purification component 15, and the purification layer 152 is composed of a gauze bag and the filler inside it. Among them, the setting of the mesh seat 151 can provide support for the purification layer 152 and ensure the dredging effect of the liquid flow.

[0050] The three groups of purification layers 152 from top to bottom inside the sedimentation tank 11 are filled with sand and gravel materials with different radii in sequence; wherein the radius of the sand and gravel materials in the three groups of purification layers 152 decreases in sequence from top to bottom, thereby achieving the effect of gradually purifying the sewage and ensuring the purification efficiency.

[0051] The working principle and use process of the present invention are as follows: when the system is needed to purify sewage in the municipal pipe network, the sewage in the municipal rainwater pipe, municipal sewer pipe and municipal sewage pipe is uniformly transported to the primary filter pool for filtration, and the filtered sewage is transmitted to the secondary sedimentation tank, and the three groups of purification components 15 from top to bottom on the inner side thereof sequentially precipitate and purify the sewage passing through to ensure the purification effect, and the purified water body is transported to the inner side of 2, and the disinfectant seat 25 contacts the sewage and disinfects the sewage on the bottom side, and at the same time, the pump body 262 in the reflux component 26 is started to use the suction pipe seat 261 to suck in the liquid flow contacting the disinfectant on the bottom side, and the liquid flow is sprayed to the top side of the liquid surface from the liquid distribution pipe 263 on the top side, and this cycle is repeated to achieve comprehensive disinfection of the sewage, and finally the purified liquid flow is transported to the clean water reservoir for temporary storage to facilitate the reuse of the sewage.

[0052] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the attached claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.

[0053] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A municipal pipe network sewage purification and reuse system, characterized by: The invention comprises a municipal water pipe network as a sewage input end, wherein the output end of the municipal water pipe network is fixedly connected with a primary filtration tank, a secondary sedimentation tank and a tertiary disinfection tank in sequence, and the output end of the tertiary disinfection tank is connected with a clean water reservoir for secondary utilization of the clean water inside the tertiary disinfection tank; The main body of the three-stage disinfection pool is a disinfection pool (21), the top of the disinfection pool (21) is clamped with a second top cover (22), the bottom of the inner side of the disinfection pool (21) is fixedly installed with a disinfectant seat (25) for storing disinfectant inside, the top of the disinfectant seat (25) is fixedly installed with a reflux component (26), the main body of the reflux component (26) is a pump body (262), the bottom side of the pump body (262) is provided with a pipette seat (261) as its input end, and the output end of the pump body (262) is fixedly connected with a dispensing tube (263).

2. A municipal pipe network sewage purification and reuse system according to claim 1, characterized in that: The main body of the pipette seat (261) is a circular seat, and ten groups of input tubes distributed in a ring are fixedly connected to the outer wall of the pipette seat (261), and the outer end of each group of input tubes is located above the disinfectant seat (25).

3. A municipal pipe network sewage purification and reuse system according to claim 2, characterized in that: The liquid distribution pipe (263) comprises a main pipe and a branch pipe. The main pipe is a hollow steel pipe. The bottom end of the main pipe is fixedly connected to the output end of the liquid pipette seat (261), and the top end of the main pipe is fixedly connected to the branch pipe.

4. A municipal pipe network sewage purification and reuse system according to claim 3, characterized in that: The outer end of the branch pipe is an arc-shaped pipe, the branch pipe is a four-way pipe, and the top end of the branch pipe is located above the liquid surface inside the disinfection tank (21).

5. A municipal pipe network sewage purification and reuse system according to claim 1, characterized in that: The main body of the secondary sedimentation tank is a sedimentation tank (11), the input and output ends of the sedimentation tank (11) are respectively provided with a first liquid inlet pipe (13) and a first liquid discharge pipe (14), the input and output ends of the disinfection tank (21) are respectively provided with a second liquid inlet pipe (23) and a second liquid discharge pipe (24), and the sedimentation tank (11) is connected to the second liquid inlet pipe (23) to achieve communication between the secondary sedimentation tank and the tertiary disinfection tank.

6. A municipal pipe network sewage purification and reuse system according to claim 5, characterized in that: A first top cover (12) is fixedly installed on the top of the sedimentation tank (11), and three groups of purification components (15) are installed on the inner side of the sedimentation tank (11) and are distributed in a spaced manner in the vertical direction.

7. A municipal pipe network sewage purification and reuse system according to claim 6, characterized in that: The purification component (15) is composed of a mesh plate seat (151) and a purification layer (152) on the top side thereof; the mesh plate seat (151) is a U-shaped frame; a bottom plate of the purification component (15) is provided with leakage holes distributed in a filled shape; and the purification layer (152) is composed of a gauze bag and a filler inside thereof.

8. A municipal pipe network sewage purification and reuse system according to claim 7, characterized in that: The three groups of purification layers (152) from top to bottom inside the sedimentation tank (11) are filled with sand and gravel materials with different radii in sequence.

9. A municipal pipe network sewage purification and reuse system according to claim 1, characterized in that: The input ends of the municipal water supply network pipe are respectively fixedly connected to a municipal rainwater pipe, a municipal sewer pipe and a municipal sewage pipe, and a filter is fixedly installed in the municipal sewage pipe.

Images