CN220951420U - Undercurrent wetland clean system - Google Patents

Abstract

The utility model belongs to the field of subsurface flow wetlands, in particular to a subsurface flow wetland purification system, which aims at the problems that the existing subsurface flow wetland purification system directly discharges sewage into the purification system to be purified, but other foreign matters such as sand and stone exist in the sewage, and gaps in a filtering layer such as soil are blocked.

Description

Undercurrent wetland clean system

Technical Field

The utility model relates to the technical field of undercurrent wetlands, in particular to an undercurrent wetland purifying system.

Background

The subsurface flow wetland is one of the types of constructed wetlands, and can also be used for general sewage treatment;

The subsurface flow wetland is an artificial landscape which takes hydrophilic plants as surface greening matters and sandstone soil as a filler, so that water naturally permeates and filters. The novel water-free floor system is characterized by no surface water, small occupied area, high utilization rate and convenient maintenance, and is popular with people.

Most of the existing subsurface wetlands still have the following problems in use:

Most subsurface flow wetlands directly discharge sewage into a purification system for purification, but other foreign matters such as sand and stone exist in the sewage, the sewage is directly discharged, gaps in a filtering layer such as soil are blocked, certain renovation and other operations are needed after long-time use, the original purification system is damaged by the operations, and the purification capability of the sewage is restored after a period of time.

Disclosure of utility model

The utility model aims to solve the problems that most of undercurrent wetlands in the prior art directly discharge sewage into a purification system for purification, but other foreign matters such as sand and stone exist in the sewage, the sewage is directly discharged, gaps in a filtering layer such as soil are blocked, certain renovation and the like are needed after long-time use, the original purification system is damaged by the operation, and the purification capability of the undercurrent wetlands is restored after a period of time.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The utility model provides a undercurrent wetland clean system, includes the effluent water sump that sets up in purifying cell one side, the bottom inner wall of purifying cell is provided with thin sand layer, the top of thin sand layer is provided with thick sand layer, the top of thick sand layer is provided with the humic layer, the top of humic layer is provided with the soil horizon, the one side that the effluent water sump kept away from the soil horizon is fixed to be linked together has first inlet tube, the one side that the effluent water sump is close to the soil horizon is fixed to be linked together there is the second inlet tube, and the play water end of second inlet tube is located the inside or the top of soil horizon, the inside of second inlet tube is provided with the suction pump, purifying cell bottom fixed intercommunication has the outlet pipe;

A filter assembly for primarily filtering the sewage is arranged in the sewage tank;

the filter assembly comprises a filter plate arranged inside the sewage pool and close to one side of the first water inlet pipe, a baffle is arranged on the inner wall of the bottom of the sewage pool, and the baffle is positioned between the filter plate and the second water inlet pipe.

In one possible design, the top inner wall of the sewage tank is provided with a storage tank, the storage tank is located above the baffle, an inlet is formed in one side, close to the filter plate, of the storage tank, and the inlet is matched with the filter plate.

In one possible design, the inside of effluent water sump is provided with chain belt formula mud scraper, and chain belt formula mud scraper sets up the top at the filter, chain belt formula mud scraper's inside is provided with the motor, chain belt formula mud scraper's fixed surface is provided with a plurality of scrapers that are the side by side setting, and the surface of scraper blade and the surface of filter cooperate.

In one possible design, the filter plate and the chain belt type mud scraper are both obliquely arranged and both face the storage pool.

In one possible design, the bottom of the purification tank is provided with a base tamper layer.

In one possible design, the inner walls of the two sides of the purifying tank are provided with stone piles with triangular cross sections.

In one possible design, the soil layer is planted with a contamination-tolerant plant.

The sewage is discharged into the sewage pool through the first water inlet pipe, the sewage is filtered by sand stone with larger volume and other foreign matters through the filter plate, the filtered matters slide rightwards, the motor drives the chain belt type mud scraper to drive the scraper to move, the filtered matters are scraped into the storage pool to be stored, the sewage flows into the bottom of the sewage pool and starts to precipitate, the finer foreign matters in the sewage are precipitated to the bottom of the sewage pool, when the sewage overflows the baffle plate, the water suction pump pumps the sewage to the upper part or the inner part of the soil layer through the second water inlet pipe, the sewage can provide nutrients for pollution-resistant plants planted on the soil layer, the pollution-resistant plants purify the sewage, the sewage can pass through the humic layer again, the mixture of decayed plants in the humic layer can promote microorganism growth, the water purifying effect is improved, the sewage is gradually filtered through the coarse sand layer and the fine sand layer, and finally the purified water is discharged through the water outlet pipe.

According to the subsurface flow wetland purification system, through the filtering component, the effects of filtering the foreign matters containing larger particles such as sand and stone in sewage and the like, preventing long-time discharge and blocking gaps in a filtering layer such as soil and the like can be achieved;

According to the subsurface flow wetland purification system, the effect of purifying sewage layer by layer and finally enabling the sewage to reach the discharge requirement can be achieved through the purification tank;

In the utility model, when in use, sewage is discharged through the first water inlet pipe, foreign matters taught in the sewage are filtered through the filtering component at the moment, and then the sewage is purified through the purifying tank, so that the sewage is discharged after being purified through the purifying effect of the purifying tank.

Drawings

FIG. 1 is a schematic diagram of a main structure of a subsurface flow wetland purification system according to the present utility model;

fig. 2 is a schematic diagram of a front view structure of a sewage tank of a subsurface flow wetland purification system according to the present utility model.

In the figure: 1. a sewage pool; 2. dan Liaodui; 3. fine sand layer; 4. a base ramming layer; 5. a water outlet pipe; 6. coarse sand layer; 7. a humic layer; 8. a soil layer; 9. pollution-resistant plants; 10. a water pump; 11. a second water inlet pipe; 12. a first water inlet pipe; 13. a filter plate; 14. a baffle; 15. a storage pool; 16. a scraper; 17. chain belt mud scraper; 18. and (5) a purifying tank.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-2, a purification system, comprising: the sewage tank 1 is arranged at one side of the purifying tank 18, a fine sand layer 3 is arranged on the inner wall of the bottom of the purifying tank 18, a coarse sand layer 6 is arranged at the top of the fine sand layer 3, a humic layer 7 is arranged at the top of the coarse sand layer 6, a soil layer 8 is arranged at the top of the humic layer 7, a first water inlet pipe 12 is fixedly communicated with one side, far away from the soil layer 8, of the sewage tank 1, a second water inlet pipe 11 is fixedly communicated with one side, close to the soil layer 8, of the sewage tank 1, the water outlet end of the second water inlet pipe 11 is positioned in or above the soil layer 8, a water suction pump 10 is arranged in the second water inlet pipe 11, and a water outlet pipe 5 is fixedly communicated with the bottom of the purifying tank 18;

a filter assembly for primarily filtering sewage is arranged in the sewage tank 1;

The filter assembly comprises a filter plate 13 arranged in the sewage tank 1 and close to one side of the first water inlet pipe 12, a baffle 14 is arranged on the inner wall of the bottom of the sewage tank 1, and the baffle 14 is positioned between the filter plate 13 and the second water inlet pipe 11;

The inner wall of the top of the sewage tank 1 is provided with a storage tank 15, the storage tank 15 is positioned above the baffle 14, one side of the storage tank 15, which is close to the filter plate 13, is provided with an inlet, and the inlet is matched with the filter plate 13;

The inside of the sewage tank 1 is provided with a chain belt type mud scraper 17, the chain belt type mud scraper 17 is arranged above the filter plate 13, the inside of the chain belt type mud scraper 17 is provided with a motor diagram which is not shown, the surface of the chain belt type mud scraper 17 is fixedly provided with a plurality of scraping plates 16 which are arranged side by side, and the surface of the scraping plates 16 is matched with the surface of the filter plate 13;

Pollution-resistant plants 9 are planted in the soil layer 8.

The technical scheme can be that sewage is firstly discharged into the sewage tank 1 through the first water inlet pipe 12, at the moment, the sewage is filtered by the filter plate 13 to remove other foreign matters such as sand and stone with larger volume, at the moment, the motor drives the chain belt type mud scraper 17 to drive, the chain belt type mud scraper 17 drives the scraper 16 to move, the filtered matters are scraped into the storage tank 15 to be stored, then the sewage flows into the bottom of the sewage tank 1 and starts to precipitate, the thinner foreign matters in the sewage are precipitated to the bottom of the sewage tank 1, when the sewage overflows the baffle plate 14, the water suction pump 10 pumps the sewage to the upper part or the inner part of the soil layer 8 through the second water inlet pipe 11, the sewage can provide nutrients for pollution-resistant plants 9 planted on the soil layer 8, the pollution-resistant plants 9 purify the sewage, then the sewage can pass through the humic layer 7 again, the decayed plant mixture in the humic layer 7 can promote the growth of microorganisms to increase the water purification effect, and finally the purified water is filtered by the coarse sand layer 6 and the fine sand layer 3 gradually, and finally the purified water is discharged through the water outlet pipe 5;

the bottom of the purifying tank 18 is provided with a basic ramming layer 4;

The inner walls of both sides of the purifying tank 18 are provided with a stone pile 2 with a triangular cross section.

The application can be used in the field of subsurface flow wetland and can also be used in other fields suitable for the application.

Example 2

Referring to fig. 2, the improvement is based on example 1: the utility model provides a undercurrent wetland clean system, it is applied to undercurrent wetland field, and filter 13 and chain belt formula mud scraper 17 are all set up in slope, and all slope to scraper blade 16;

The above technical solution can achieve the effect of helping the filtered foreign matters move into the storage tank 15.

However, as well known to those skilled in the art, the working principle and the wiring method of the chain belt type mud scraper 17 are common, which are all conventional means or common knowledge, and are not described herein in detail, and those skilled in the art can perform any optional matching according to their needs or convenience.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (7)

1. The utility model provides a undercurrent wetland clean system, includes sewage pool (1) of setting in purifying tank (18) one side, its characterized in that, the bottom inner wall of purifying tank (18) is provided with fine sand layer (3), the top of fine sand layer (3) is provided with coarse sand layer (6), the top of coarse sand layer (6) is provided with humic layer (7), the top of humic layer (7) is provided with soil layer (8), the fixed intercommunication in one side of keeping away from soil layer (8) of sewage pool (1) has first inlet tube (12), the fixed intercommunication in one side of sewage pool (1) near soil layer (8) has second inlet tube (11), and the play water end of second inlet tube (11) is located the inside or the top of soil layer (8), the inside of second inlet tube (11) is provided with suction pump (10), purifying tank (18) bottom is fixed intercommunication has outlet pipe (5);

a filter assembly for preliminarily filtering the sewage is arranged in the sewage tank (1);

the filter assembly comprises a filter plate (13) arranged inside the sewage tank (1) and close to one side of the first water inlet pipe (12), a baffle plate (14) is arranged on the inner wall of the bottom of the sewage tank (1), and the baffle plate (14) is positioned between the filter plate (13) and the second water inlet pipe (11).

2. The subsurface flow wetland purification system according to claim 1, wherein a storage tank (15) is arranged on the top inner wall of the sewage tank (1), the storage tank (15) is located above the baffle plate (14), an inlet is formed in one side, close to the filter plate (13), of the storage tank (15), and the inlet is matched with the filter plate (13).

3. The subsurface flow wetland purification system according to claim 2, wherein a chain belt type mud scraper (17) is arranged in the sewage tank (1), the chain belt type mud scraper (17) is arranged above the filter plate (13), a motor is arranged in the chain belt type mud scraper (17), a plurality of scrapers (16) which are arranged side by side are fixedly arranged on the surface of the chain belt type mud scraper (17), and the surface of the scrapers (16) is matched with the surface of the filter plate (13).

4. A subsurface flow wetland purification system according to claim 3, wherein said filter plates (13) and chain belt type mud scrapers (17) are both inclined and both inclined to the storage tank (15).

5. A subsurface flow wetland purification system according to claim 1, wherein the bottom of said purification tank (18) is provided with a base ramming layer (4).

6. The subsurface flow wetland purification system according to claim 1, wherein both side inner walls of said purification tank (18) are provided with a stone pile (2) having a triangular cross section.

7. A subsurface flow wetland purification system according to claim 1, wherein said soil layer (8) is planted with a pollution-resistant plant (9).