Water distribution and distribution system for sewage treatment

Abstract

The utility model is suitable for the technical field of sewage treatment, and relates to a sewage treatment water distribution and diversion system, which comprises a water inlet pipe, a water outlet pipe and a water outlet pipe, the water inlet pipe is used for dividing the flow of the sewage of the inlet liquid to ensure that the flow of the subsequent sewage treatment unit group is uniformly distributed; the primary flow divider is fixedly communicated with the water inlet pipe; by arranging the first-stage flow divider, the second-stage flow divider, the third-stage straight pipe flow divider and the fourth-stage semicircular flow dividing groove, sewage is subjected to multi-stage flow dividing and high-position falling, pipeline blockage is effectively prevented, the sewage is uniformly distributed, dissolved oxygen in the sewage is increased, and the problems that a water distribution pipe is seriously blocked, and the water distribution efficiency is low are solved. The uniform water distribution range of the filler in the biological filter bed is expanded, so that the filler normally plays a role, more biological membranes participate in sewage degradation, the effluent quality is ensured to be stable and reach the standard, and meanwhile, the labor intensity of patrol personnel is reduced.

Description

Technical Field

[0001] The utility model relates to sewage treatment, in particular to a sewage treatment water distribution and diversion system. Background Art

[0002] With the extensive development of agricultural production activities, the sources of rural domestic sewage are becoming more and more extensive, mainly including rural residents' domestic drainage, rural folk tourism drainage, rural livestock and poultry breeding drainage, rural aquaculture drainage and drainage from hotels and restaurants around rural areas. The composition of pollutants in these discharged sewage is complex and diverse, mainly including total nitrogen, total phosphorus, COD, BOD and other pollutants.

[0003] At present, sewage treatment equipment has problems such as low ammonia nitrogen removal rate and fluctuating effluent water quality. The main reason is the high influent concentration; the water distribution pipes are seriously blocked, resulting in uneven water distribution, the biofilm cannot be cultivated, and the leaching tower filler cannot function normally. Utility Model Content

[0004] The utility model provides a sewage treatment water distribution and diversion system, which aims to solve the problems of low ammonia nitrogen removal rate and fluctuating effluent water quality in current sewage treatment equipment. The main reasons are high influent concentration; serious blockage of water distribution pipes, resulting in uneven water distribution, inability to cultivate biofilm, and inability of leaching tower fillers to function normally.

[0005] The utility model is implemented as follows: a sewage treatment water distribution and diversion system comprises: a water inlet pipe, the water inlet pipe is used to connect an external sewage inlet pipe; a first-level diverter, the water inlet pipe is used to divert the incoming sewage to ensure uniform flow distribution of subsequent sewage treatment unit groups; the first-level diverter is fixedly connected to the water inlet pipe; a second-level diverter, the second-level diverter is used to divert the sewage discharged from the first-level diverter for a second time; the second-level diverter is fixedly connected to the first-level diverter; a three-stage straight pipe diverter, one end of the three-stage straight pipe diverter is connected to the second-level diverter, a valve and a three-stage slag discharge pipe are arranged at the tail end of the three-stage straight pipe diverter, and the three-stage straight pipe diverter is backwashed by adjusting the flow of the second-level diverter during backwashing; a four-stage semicircular diverter trough, the four-stage semicircular diverter trough is used to distribute water to the external filter box, and the four-stage semicircular diverter trough is installed at the discharge end of the three-stage straight pipe diverter.

[0006] Preferably, a ball valve is installed on the water inlet pipe, and a Y-type filter is installed on the side of the water inlet pipe close to the ball valve.

[0007] The beneficial effect of adopting the above further solution is: primary filtration of sewage in the water inlet pipe through the Y-type filter can effectively prevent the water pipe from being blocked and affecting the drainage effect.

[0008] Preferably, the first-level diverter is fixedly connected to a first-level inlet pipe, the other side of the first-level diverter away from the first-level inlet pipe is fixedly connected to several groups of first-level outlet pipes, the first-level slag discharge pipe is installed on the first-level diverter, and valves are installed on the first-level inlet pipe, the first-level slag discharge pipe and several groups of first-level outlet pipes.

[0009] The beneficial effect of adopting the above further solution is that it facilitates the initial diversion of sewage in the water inlet pipe.

[0010] Preferably, a group of secondary diverters are installed on the primary outlet pipe in sequence, and the secondary diverters are fixedly connected to a secondary inlet pipe. The other side of the secondary diverter away from the secondary inlet pipe is fixedly connected to several groups of secondary outlet pipes. A secondary slag discharge pipe is installed on the secondary diverter, and valves are installed on the secondary inlet pipe, the secondary slag discharge pipe and several groups of secondary outlet pipes.

[0011] The beneficial effect of adopting the above further solution is: it is convenient for secondary diversion of sewage in and out, and facilitates uniform water distribution in the later stage.

[0012] Preferably, the primary slag discharge pipe and the secondary slag discharge pipe on the primary diverter and the secondary diverter are both connected to an external water pipe.

[0013] The beneficial effect of adopting the above further solution is that the residue in each diverter can be easily flushed and discharged by water, and then backflushed into the drying tank.

[0014] Preferably, a set of four-stage semicircular diverter troughs are installed in sequence on the secondary outlet pipe.

[0015] The beneficial effects of adopting the above further solution are: solving the serious blockage of the water distribution pipe, facilitating uniform water distribution to the biological filter bed, facilitating biofilm cultivation, and ensuring that the filler functions normally.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: a sewage treatment water distribution diversion system of the present invention, by setting a first-level diverter, a second-level diverter and a third-level straight pipe diverter, and by setting a four-level semicircular diversion trough, performs multi-stage diversion of its sewage, high-position drop, effectively prevents pipe blockage, evenly distributes sewage, increases the dissolved oxygen in its sewage, solves the serious blockage of the water distribution pipe, expands the uniform water distribution range of the filler in the biological filter bed, enables it to function normally, allows more biofilms to participate in the degradation of its sewage, ensures that the effluent water quality is stable and meets the standards, and at the same time reduces the labor intensity of inspectors. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the system framework of the present utility model.

[0019] In the figure: 1. Water inlet pipe; 2. First-level diverter; 22. First-level inlet pipe; 23. First-level outlet pipe; 24. First-level slag discharge pipe; 3. Second-level diverter; 32. Second-level inlet pipe; 33. Second-level outlet pipe; 34. Second-level slag discharge pipe; 4. Fourth-level semicircular diverter trough; 5. Y-type filter. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0021] See also Figure 1-2 The utility model provides a technical solution for a sewage treatment water distribution and diversion system: a sewage treatment water distribution and diversion system, comprising:

[0022] Water inlet pipe 1, which is used to connect to the external sewage inlet pipe;

[0023] The primary diverter 2 and the water inlet pipe 1 are used to divert the incoming sewage; the primary diverter 2 is fixedly connected to the water inlet pipe 1;

[0024] The secondary diverter 3 is used to divert the sewage discharged from the primary diverter 2 for a second time; the secondary diverter 3 is fixedly connected to the primary diverter 2;

[0025] A three-stage straight pipe diverter 6, one end of which is connected to the two-stage diverter 3, a valve and a three-stage slag discharge pipe are provided at the tail end of the three-stage straight pipe diverter 6, and the three-stage straight pipe diverter 6 is backwashed by adjusting the flow of the two-stage diverter during backwashing;

[0026] The four-stage semicircular diverter 4 is used to distribute water to the external filter box. The four-stage semicircular diverter 4 is installed at the discharge end of the three-stage straight pipe diverter 6.

[0027] In this embodiment, by setting a first-level diverter 2, a second-level diverter 3 and a third-level straight pipe diverter 6, and by setting a four-level semicircular diverter trough 4, the sewage is diverted at multiple levels and dropped at a high position, which effectively prevents pipe blockage, evenly distributes sewage, increases the dissolved oxygen in the sewage, solves the serious blockage of the water distribution pipe, expands the uniform water distribution range of the filler in the biological filter bed, enables it to function normally, allows more biofilms to participate in the degradation of its sewage, ensures that the effluent water quality is stable and meets the standards, and at the same time reduces the labor intensity of inspectors.

[0028] further; a ball valve is installed on the water inlet pipe 1, and a Y-type filter 5 is installed on one side of the water inlet pipe 1 close to the ball valve.

[0029] In this embodiment, a ball valve is provided to control the water inlet of the water inlet pipe 1 and the sewage in the water inlet pipe 1 is primarily filtered by the Y-type filter 5, which can effectively prevent the water pipe from being blocked and affecting the drainage effect.

[0030] Typically, a first-level inlet pipe 22 is fixedly connected to the first-level diverter 2, and several groups of first-level outlet pipes 23 are fixedly connected to the other side of the first-level diverter 2 away from the first-level inlet pipe 22. A first-level slag discharge pipe 24 is installed on the first-level diverter 2, and valves are installed on the first-level inlet pipe 22, the first-level slag discharge pipe 24 and several groups of first-level outlet pipes 23.

[0031] In this embodiment, the first-level diverter 2 is used to perform initial diversion of the sewage water entering the water inlet pipe 1, wherein the outlet of the water inlet pipe 1 is fixedly connected to the first-level inlet pipe 22 of the first-level diverter 2, and the sewage enters the first-level diverter 2, and is initially diverted through each group of first-level outlet pipes 23. When the diverter needs to be cleaned and slag discharged, the outlet pipe valves are closed, water is introduced through the inlet pipe, the diverter is flushed and cleaned, and the sewage residue is discharged through the slag discharge pipe.

[0032] Specifically, a group of secondary diverters 3 are installed on the primary outlet pipe 23 in sequence, and the secondary diverters 3 are fixedly connected to the secondary inlet pipe 32. The other side of the secondary diverter 3 away from the secondary inlet pipe 32 is fixedly connected to several groups of secondary outlet pipes 33. A secondary slag discharge pipe 34 is installed on the secondary diverter 3, and valves are installed on the secondary inlet pipe 32, the secondary slag discharge pipe 34 and several groups of secondary outlet pipes 33.

[0033] In this embodiment, the sewage is diverted for a second time through the secondary diverter 3, wherein the primary inlet pipe 22 is fixedly connected to the secondary inlet pipe 32 of a group of secondary diverters 3 in sequence, and the sewage diverted for the first time enters the secondary diverter 3 through the secondary inlet pipe 32, and is diverted again through the secondary outlet pipe 33. When the diverter needs to be cleaned and slag discharged, the outlet pipe valve is closed, water is introduced through the inlet pipe, the diverter is flushed and cleaned, and the sewage residue is discharged through the slag discharge pipe.

[0034] In addition, the primary slag discharge pipe 24 and the secondary slag discharge pipe 34 on the primary diverter 2 and the secondary diverter 3 are both connected to the external water pipe.

[0035] In this embodiment, the slag discharge pipes are connected by an external water pipe, so that the residue in each diverter can be flushed and discharged by water and backflushed into the drying tank.

[0036] It should be noted that a set of four-stage semicircular diverter troughs 4 are installed on the secondary outlet pipe 33 in sequence.

[0037] In this embodiment, the serious blockage of the water distribution pipe is solved by providing a four-stage semicircular diversion trough 4, which facilitates uniform water distribution to the biological filter bed, facilitates biofilm cultivation, and allows the filler to function normally.

[0038] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A sewage treatment water distribution system, characterized by: include: A water inlet pipe (1), the water inlet pipe (1) is used to connect to an external sewage inlet pipe; A primary diverter (2), the water inlet pipe (1) is used to divert the incoming sewage to ensure uniform flow distribution of subsequent sewage treatment unit groups; the primary diverter (2) is fixedly connected to the water inlet pipe (1); A secondary diverter (3), the secondary diverter (3) is used to perform secondary diversion on the sewage discharged from the primary diverter (2); the secondary diverter (3) is fixedly connected to the primary diverter (2); A three-stage straight pipe diverter (6), one end of the three-stage straight pipe diverter (6) is connected to the two-stage diverter (3), a valve and a three-stage slag discharge pipe are provided at the tail end of the three-stage straight pipe diverter (6), and the three-stage straight pipe diverter (6) is backwashed by adjusting the flow rate of the two-stage diverter during backwashing; A four-stage semicircular diverter trough (4) is used to distribute water to an external filter box, and the four-stage semicircular diverter trough (4) is installed at the discharge end of a three-stage straight pipe diverter (6).

2. A sewage treatment water distribution system according to claim 1, characterized in that: A ball valve is installed on the water inlet pipe (1), and a Y-type filter (5) is installed on the side of the water inlet pipe (1) close to the ball valve.

3. A sewage treatment water distribution system according to claim 1, characterized in that: The first-level flow divider (2) is fixedly connected to a first-level inlet pipe (22), and the other side of the first-level flow divider (2) away from the first-level inlet pipe (22) is fixedly connected to a plurality of first-level outlet pipes (23). A first-level slag discharge pipe (24) is installed on the first-level flow divider (2), and valves are installed on the first-level inlet pipe (22), the first-level slag discharge pipe (24) and the plurality of first-level outlet pipes (23).

4. A sewage treatment water distribution system according to claim 3, characterized in that: A group of secondary flow dividers (3) are sequentially mounted on the primary outlet pipe (23); the secondary flow dividers (3) are all fixedly connected to a secondary inlet pipe (32); a plurality of groups of secondary outlet pipes (33) are fixedly connected to the other side of the secondary flow divider (3) away from the secondary inlet pipe (32); a secondary slag discharge pipe (34) is mounted on the secondary flow divider (3); and valves are mounted on the secondary inlet pipe (32), the secondary slag discharge pipe (34) and the plurality of groups of secondary outlet pipes (33).

5. A sewage treatment water distribution system according to claim 4, characterized in that: The primary slag discharge pipe (24) and the secondary slag discharge pipe (34) on the primary diverter (2) and the secondary diverter (3) are both connected to an external water pipe.

6. A sewage treatment water distribution system according to claim 4, characterized in that: A set of four-stage semicircular diversion troughs (4) are correspondingly installed on the secondary outlet pipe (33).

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