Ecological interception ditch system

Abstract

The ecological interception ditch system comprises a well body, a well lid, a nitrogen and phosphorus removal device and a water blocking ridge, the well lid is arranged on the well body, a plurality of emergent aquatic plants are planted on the well lid, the nitrogen and phosphorus removal device is arranged in the well body, a water inlet side and a water outlet side are arranged on the two opposite sides of the nitrogen and phosphorus removal device, and the water blocking ridge is arranged at one end of the water outlet side. A first space is formed among the water blocking ridge adjacent to the well body, the water inlet side and the nitrogen and phosphorus removal device, a second space is formed between the nitrogen and phosphorus removal device and the water outlet side, a third space is formed between the well body and the water blocking ridge, and water flows out from the first space through the second space to the third space and flows out through emergent aquatic plants planted on the well lid and the nitrogen and phosphorus removal device. The water flow is respectively adsorbed and filtered, so that nitrogen and phosphorus substances and suspended organic matters in the water of the ecological interception ditch are furthest removed, and the nitrogen and phosphorus reduction rate of the ecological interception ditch is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ecological intercepting ditch technical field especially relates to a kind of ecological intercepting ditch systems. BACKGROUND

[0002] The bottom mud capture well is used to gather and precipitate the impurities such as soil carried in the ecological intercepting ditch water, and the inner filling matrix of the nitrogen and phosphorus removal device used therein is usually a porous mineral filter material with strong filtering and adsorbing performance, denitrifying phosphorus bacteria or iron-manganese composite oxidation film active matrix.

[0003] The existing bottom mud capture well has the problem of poor effect in removing nitrogen and phosphorus substances in the ecological intercepting ditch water, resulting in low nitrogen and phosphorus reduction rate, so that the water passing through the ecological intercepting ditch cannot meet the discharge standard. UTILITY MODEL CONTENTS

[0004] In view of the above situation, it is necessary to provide an ecological intercepting ditch system for the problem of low nitrogen and phosphorus reduction rate of the ecological intercepting ditch in the prior art.

[0005] An ecological intercepting ditch system comprises a well body, a well cover, a nitrogen and phosphorus removal device and a water barrier, the well cover is arranged on the well body, a plurality of emergent plants are planted on the well cover, the plurality of emergent plants are used to adsorb organic matter and ammonia nitrogen in water, the nitrogen and phosphorus removal device is arranged in the well body, opposite sides of the nitrogen and phosphorus removal device are provided with a water inlet side and a water outlet side, the water outlet side is provided with the water barrier at one end, the water barrier is adjacent to the well body, a first space is formed between the water inlet side and the nitrogen and phosphorus removal device, a second space is formed between the nitrogen and phosphorus removal device and the water outlet side, and a third space is formed between the well body and the water barrier.

[0006] The utility model has the advantages that:

[0007] By arranging the well body, the nitrogen and phosphorus removal device and the water barrier, the first space, the second space and the third space are formed respectively, the bottom mud storage space is increased, the water flow flows out after passing through the first space, the second space and the third space, part of the water flow is blocked back by the water barrier and enters the second space, so that the water flow residence time is prolonged, the emergent plants planted on the well cover and the nitrogen and phosphorus removal device are used to adsorb and filter the water flow respectively, the nitrogen and phosphorus substances and suspended organic matter in the ecological intercepting ditch water are removed to the maximum extent, and the nitrogen and phosphorus reduction rate of the ecological intercepting ditch is improved.

[0008] Further, the nitrogen and phosphorus removal device comprises a filter screen box and a filter module arranged in the well body, a plurality of filter holes are arranged on the filter screen box, a movable door cover is arranged on the top of the filter screen box, the filter module is arranged in the filter screen box, a gap is formed between the filter module and the top of the filter screen box, and the filter module is used to adsorb nitrogen and phosphorus substances and suspended organic matter.

[0009] Further, the filter module is activated carbon.

[0010] Further, the water retaining ridge is in a stepped shape, and the water retaining ridge comprises a first ridge, a second ridge and a third ridge, and opposite sides of the second ridge are in abutment with the first ridge and the third ridge respectively.

[0011] Further, the first ridge is adjacent to the well body, and the top of the second ridge is higher than the top of the first ridge and the top of the third ridge.

[0012] Further, the top of the second ridge is higher than the normal water level of the ecological intercepting ditch.

[0013] Further, the well cover is a glass fiber reinforced plastic grating cover plate.

[0014] Further, the well body is a hollow rectangular groove. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a top view of the ecological intercepting ditch system of the utility model;

[0016] Figure 2 It is a structural schematic view of the ecological intercepting ditch system of the utility model.

[0017] In the figure: 1, well body; 2, nitrogen and phosphorus removal device; 21, filter module; 22, filter screen box; 23, water inlet side; 24, water outlet side; 3, water retaining ridge; 31, first ridge; 32, second ridge; 33, third ridge; 4, well cover; 5, emergent plant; 6, first space; 7, second space; 8, third space; 9, ecological intercepting ditch. DETAILED DESCRIPTION

[0018] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the related drawings. The drawings show embodiments of the utility model. However, the utility model can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing the embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0019] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be a middle element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be a middle element. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0020] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The use herein of the terms "and / or" includes a set of one or more associated listed items. Also, the various embodiments of the application, features of the embodiments, and features of the embodiments can be freely combined unless there are explicit contradictions.

[0021] An ecological intercepting ditch system, as shown in Figure 1 and Figure 2 includes a well body 1, a well cover 4, a nitrogen and phosphorus removal device 2, and a water barrier 3.

[0022] Specifically, the well body 1 is a hollow rectangular groove, the well cover 4 is arranged on the well body 1, the well cover 4 is a glass fiber reinforced plastic grating cover plate, a plurality of emergent plants 5 are planted on the well cover 4, the plurality of emergent plants 5 are used to adsorb organic matter and ammonia nitrogen in water, the nitrogen and phosphorus removal device 2 is provided with a water inlet side 23 and a water outlet side 24 on opposite sides, the water outlet side 24 is provided with the water barrier 3 at one end, the water barrier 3 is adjacent to the well body 1, a first space 6 is formed between the water inlet side 23 and the nitrogen and phosphorus removal device 2, a second space 7 is formed between the nitrogen and phosphorus removal device 2 and the water outlet side 24, and a third space 8 is formed between the well body 1 and the water barrier 3. The well body 1 is composed of a plurality of hole bricks around and at the bottom. The hole bricks are MU15 porous bricks or C25 concrete, and the well body 1 formed by the hole bricks is convenient for cleaning of the bottom mud. Through the interception of the root system of the emergent plants 5, the flow rate of the water flow can be reduced, and at the same time, the sedimentable and flocculable solids are intercepted and removed. High-quality concentration biofilm grows on the root system of the emergent plants 5, and with the help of the biological degradation of microorganisms and the adsorption of the root system of the emergent plants 5, organic matter, ammonia nitrogen and other pollutants in water are removed. By arranging the well body 1, the nitrogen and phosphorus removal device 2 and the water barrier 3, the first space 6, the second space 7 and the third space 8 are formed, the storage space of the bottom mud is increased, the water flow flows out after passing through the first space 6, the second space 7 and the third space 8, part of the water flow is intercepted by the second barrier 32 of the water barrier 3 and enters the second space 7, thereby prolonging the residence time of the water flow and increasing the action time of the water flow with the nitrogen and phosphorus removal device 2 and the emergent plants 5.

[0023] Specifically, the nitrogen and phosphorus removal device 2 is arranged in the well body 1, and the nitrogen and phosphorus removal device 2 comprises a filter box 21 and a filter module 22 arranged in the well body. The filter box 21 is provided with a plurality of filter holes (not shown), and the top of the filter box 21 is provided with a door cover (not shown) connected movably. The filter module 22 is arranged in the filter box 21, and a gap is formed between the filter module 22 and the top of the filter box 21. The filter module 22 is activated carbon, and the filter module 22 is used for adsorbing nitrogen and phosphorus substances and suspended organic matters. The filter box 21 is made of stainless steel, and the top of the filter box 21 is provided with a door cover connected movably, so that the filter module 22 can be replaced conveniently. The water flow passes through the filter holes formed in the filter box 21 from the water inlet side 23 to the filter module 22, and then passes through the water outlet side 24 from the second space 7 to the third space 8, and finally the water flow passes through the water baffle 3 and is discharged, so that the filter module 22 is used for adsorbing the water flow, and the nitrogen and phosphorus substances and the suspended organic matters in the ecological interception ditch 9 are removed to the maximum extent, and the nitrogen and phosphorus reduction rate of the ecological interception ditch 9 is improved.

[0024] Specifically, the water baffle 3 comprises a first baffle 31, a second baffle 32 and a third baffle 33, and the opposite sides of the second baffle 31 abut against the first baffle 31 and the third baffle 33 respectively. The first baffle 31 is adjacent to the well body 1, and the top of the second baffle 32 is higher than the top of the first baffle 31 and the top of the third baffle 33. The top of the second baffle 32 is higher than the normal water level of the ecological interception ditch 9. The top of the second baffle 32 is higher than the normal water level of the ecological interception ditch 9, and the top of the first baffle 31 and the top of the third baffle 33 are below the normal water level of the ecological interception ditch 9. The water baffle 3 can alleviate the speed of the water flow, ensure that the water baffle 3 can capture the bottom mud and nitrogen and phosphorus when the water level is normal, and the water flow can overflow from the second baffle 32 when the water is drained, without affecting the drainage function of the ecological interception ditch 9.

[0025] By arranging the well body 1, the nitrogen and phosphorus removal device 2 and the water baffle 3, the first space 6, the second space 7 and the third space 8 are formed respectively, the storage space of the bottom mud is increased, the water flow flows out from the first space 6 to the second space 7 and then to the third space 8, and part of the water flow is blocked back by the water baffle 3 and enters the second space 7, so that the residence time of the water flow is prolonged. The emergent aquatic plants 5 planted on the well cover and the nitrogen and phosphorus removal device 2 are used for adsorbing and filtering the water flow respectively, the nitrogen and phosphorus substances and the suspended organic matters in the ecological interception ditch 9 are removed to the maximum extent, and the nitrogen and phosphorus reduction rate of the ecological interception ditch 9 is improved.

[0026] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0027] The above-described embodiments only express the implementation of the utility model, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. An ecological intercepting trench system, characterized by: The invention relates to a water purifying device, which comprises a well body, a well cover, a nitrogen and phosphorus removal device and a water retaining dam, the well cover is arranged on the well body, a plurality of emergent plants are planted on the well cover, the emergent plants are used for adsorbing organic matters and ammonia nitrogen in water, the nitrogen and phosphorus removal device is arranged in the well body, opposite sides of the nitrogen and phosphorus removal device are provided with a water inlet side and a water outlet side, one end of the water outlet side is provided with the water retaining dam, the water retaining dam is adjacent to the well body, a first space is formed between the water inlet side and the nitrogen and phosphorus removal device, a second space is formed between the nitrogen and phosphorus removal device and the water outlet side, and a third space is formed between the well body and the water retaining dam.

2. The eco-intercepting trench system according to claim 1, characterized in that: The nitrogen and phosphorus removal device comprises a filter screen box and a filter module, the filter screen box is arranged in the well body, a plurality of filter holes are arranged on the filter screen box, a movable door cover is arranged on the top of the filter screen box, the filter module is arranged in the filter screen box, and a gap is formed between the filter module and the top of the filter screen box, the filter module is used for adsorbing nitrogen and phosphorus substances and suspended organic matters.

3. The eco-trap trench system of claim 2, wherein: The filter module is activated carbon.

4. The eco-trap trench system of claim 1, wherein: The water retaining dam comprises a first dam, a second dam and a third dam, opposite sides of the second dam are respectively abutted with the first dam and the third dam.

5. The eco-trap trench system of claim 4, wherein: The first dam is adjacent to the well body, and the height of the top of the second dam is higher than the height of the top of the first dam and the height of the top of the third dam.

6. The eco-trap trench system of claim 5, wherein: The top of the second dam is higher than the normal water level of the ecological interception ditch.

7. The eco-trap trench system of claim 1, wherein: The well cover is a glass fiber reinforced plastic grille cover plate.

8. The eco-trap trench system of claim 1, wherein: The well body is a hollow rectangular groove.

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