CN112358065A

CN112358065A - Novel filtering building material for preventing underground water pollution

Info

Publication number: CN112358065A
Application number: CN202011246443.0A
Authority: CN
Inventors: 娄本卫; 柴文波; 魏海辉; 吴青峰; 张新宇; 柴亚歌
Original assignee: Henan Wansheng Construction Co ltd
Current assignee: Henan Wansheng Construction Co ltd
Priority date: 2020-11-10
Filing date: 2020-11-10
Publication date: 2021-02-12

Abstract

The invention discloses a novel underground water pollution prevention filtering building material which comprises a base and an external frame, wherein the external frame is arranged on the upper surface of the base, a water collecting tank is formed between the base and the external frame, a water outlet tank is arranged on the outer side of the external frame on the base, the water collecting tank is communicated with the water outlet tank through a water outlet pipe, a first pore plate and a second pore plate are welded inside the external frame, and a heavy metal purifying layer and a bottom filtering layer are sequentially filled between the first pore plate and the second pore plate from top to bottom. According to the novel filtering building material for preventing the underground water pollution, the surface layer, the primary filtering layer, the heavy metal adsorption layer and the bottom filtering layer are sequentially arranged in the external frame, so that water can be filtered, purified and adsorbed, impurities, foreign matters and peculiar smell in the water are removed, heavy metal elements such as iron, manganese and the like are welded in the purified water, the problem of the underground water environment pollution caused by runoff water is solved, and the underground water pollution caused by the runoff water is effectively prevented.

Description

Novel filtering building material for preventing underground water pollution

Technical Field

The invention relates to the technical field of pollution prevention of underground water, in particular to a novel filtering building material for preventing underground water pollution.

Background

Ground water (ground water) is water present in the gaps between rocks below the ground, and in a narrow sense is water in a saturated aquifer below the surface of the ground water. In the national standard hydrogeological terminology (GB/T14157-93), groundwater refers to various forms of gravity water buried below the surface of the earth, and foreign scholars consider that groundwater has three definitions: the first is all water buried in underground water which is obviously different from surface water, and particularly refers to the water of a saturated zone in a water-bearing layer; secondly, the water flows or permeates downwards to saturate soil and rocks and supply water to springs and wells; and thirdly, water is stored in underground rock cavities and in gaps forming crust substances, underground water is an important component of water resources, and the underground water is one of important water sources for agricultural irrigation, industrial and mining and cities due to stable water quantity and good water quality. However, under certain conditions, changes in groundwater can also cause adverse natural phenomena such as swampiness, salinization, landslide, and ground subsidence.

The existing filtering building materials for preventing underground water pollution can only filter large impurities in a water body singly, and have no good purification and adsorption structure for heavy metals and peculiar smell in the water body, so that the water body enters underground water and can be polluted.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides a novel filtering building material for preventing underground water from polluting.

In order to achieve the purpose, the invention adopts the following technical scheme: the novel filtering building material for preventing underground water pollution comprises a base and an external frame;

an external frame is arranged on the upper surface of the base, a water collecting tank is formed between the base and the external frame, a water outlet tank is arranged on the outer side of the external frame on the base, and the water collecting tank is communicated with the water outlet tank through a water discharge pipe;

the inside welding of exterior frame has first orifice plate and second orifice plate, it has heavy metal purification layer and bottom filter layer to fill in proper order from top to bottom between first orifice plate and the second orifice plate, the top of second orifice plate is filled in proper order has primary filter layer and surface course.

As a further description of the above technical solution:

the surface layer is made of permeable bricks made of permeable materials, the upper surface of the surface layer is provided with a water collecting ditch, and the inner bottom plate of the water collecting ditch is provided with water inlet holes penetrating through the surface layer.

As a further description of the above technical solution:

the primary filter layer comprises a clay medium layer, a gravel filter layer and a gravel layer, and the clay medium layer, the gravel filter layer and the gravel layer are sequentially paved from top to bottom.

As a further description of the above technical solution:

the thickness of the primary filter layer is 30-50mm, and the average particle size of the gravels in the gravel layer is 6-8 mm.

As a further description of the above technical solution:

the heavy metal purification layer comprises a first manganese sand layer, a ceramsite layer and a second manganese sand layer, wherein the ceramsite layer is arranged between the first manganese sand layer and the second manganese sand layer.

As a further description of the above technical solution:

the particle sizes of the manganese sand and the ceramsite of the first manganese sand layer, the ceramsite layer and the second manganese sand layer are all 1.25-1.6 mm.

As a further description of the above technical solution:

the bottom filter layer comprises an anthracite filter material layer and an activated carbon layer, and the anthracite filter material layer is paved on the upper surface of the activated carbon layer.

As a further description of the above technical solution:

the thickness of surface course is 60-70mm, the thickness of elementary filter layer is 30-50mm, the thickness of heavy metal purification layer is 30-40mm, the thickness of bottom filter layer is 50-60 mm.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the novel filtering building material for preventing the underground water pollution, the surface layer, the primary filtering layer, the heavy metal adsorption layer and the bottom filtering layer are sequentially arranged in the external frame, so that water can be filtered, purified and adsorbed, impurities, foreign matters and peculiar smell in the water are removed, heavy metal elements such as iron, manganese and the like are welded in the purified water, the problem of the underground water environment pollution caused by runoff water is solved, and the underground water pollution caused by the runoff water is effectively prevented.

2. According to the novel filtering building material for preventing underground water from polluting, a certain gap is reserved between the second pore plate and the base to form a water collecting tank, water in the water collecting tank can be discharged through the water discharging pipe, the efficiency of filtering water by the surface layer, the primary filtering layer, the heavy metal adsorption layer and the bottom filtering layer is guaranteed, the water is prevented from being stored in an external frame and influencing the efficiency of water purification, and the filtering effect of the surface layer, the primary filtering layer, the heavy metal adsorption layer and the bottom filtering layer can be prevented from being influenced by the fact that underground water rises, permeates water and is stored due to capillary phenomenon through the arrangement of the base.

Drawings

FIG. 1 is a schematic structural view of a novel filtering building material for preventing underground water pollution according to the present invention;

FIG. 2 is a schematic structural view of the bottom filter layer of the novel filtering building material for preventing underground water pollution according to the present invention;

FIG. 3 is a schematic structural diagram of a surface layer of the novel filtering building material for preventing underground water pollution according to the present invention;

FIG. 4 is a schematic structural diagram of the primary filter layer of the novel filtering building material for preventing underground water pollution according to the present invention;

fig. 5 is a schematic structural diagram of a heavy metal purification layer of the novel underground water pollution prevention filter building material provided by the invention.

Illustration of the drawings:

1. a base; 2. a water collection tank; 3. a water outlet groove; 4. a drain pipe; 5. an outer frame; 6. a first orifice plate; 7. a second orifice plate; 8. a bottom filter layer; 81. an anthracite filter bed; 82. an activated carbon layer; 9. a surface layer; 91. a water collecting ditch; 92. a water inlet hole; 10. a primary filtration layer; 101. a clay dielectric layer; 102. a macadam filtration layer; 103. a gravel layer; 11. a heavy metal purification layer; 111. a first manganese sand layer; 112. a ceramic layer; 113. and a second manganese sand layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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 invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the novel filtering building material for preventing underground water pollution comprises a base 1 and an outer frame 5;

the upper surface of the base 1 is provided with an external frame 5, a water collecting tank 2 is formed between the base 1 and the external frame 5, a water outlet tank 3 is arranged on the outer side of the external frame 5 on the base 1, and the water collecting tank 2 is communicated with the water outlet tank 3 through a water outlet pipe 4;

the inside welding of exterior frame 5 has first orifice plate 6 and second orifice plate 7, has heavy metal purification layer 11 and bottom filter layer 8 from top to bottom to pack in proper order between first orifice plate 6 and the second orifice plate 7, and the top of second orifice plate 7 is packed in proper order has primary filter layer 10 and surface course 9.

The surface layer 9 is made of permeable bricks made of permeable materials, the upper surface of the surface layer 9 is provided with a water collecting ditch 91, and the inner bottom plate of the water collecting ditch 91 is provided with a water inlet hole 92 penetrating through the surface layer 9.

The primary filter layer 10 comprises a clay medium layer 101, a gravel filter layer 102 and a gravel layer 103, and the clay medium layer 101, the gravel filter layer 102 and the gravel layer 103 are sequentially laid from top to bottom.

The thickness of the primary filter layer 10 is 30 to 50mm, and the average particle diameter of the gravels in the gravel layer 103 is 6 to 8 mm.

The heavy metal purification layer 11 comprises a first manganese sand layer 111, a ceramsite layer 112 and a second manganese sand layer 113, wherein the ceramsite layer 112 is arranged between the first manganese sand layer 111 and the second manganese sand layer 113;

the grain diameters of the manganese sand and the ceramsite of the first manganese sand layer 111, the ceramsite layer 112 and the second manganese sand layer 113 are all 1.25-1.6 mm.

The bottom filter layer 8 includes an anthracite filter layer 81 and an activated carbon layer 82, and the anthracite filter layer 81 is laid on the upper surface of the activated carbon layer 82.

The thickness of the surface layer 9 is 60-70mm, the thickness of the primary filtering layer 10 is 30-50mm, the thickness of the heavy metal purifying layer 11 is 30-40mm, and the thickness of the bottom filtering layer 8 is 50-60 mm.

The working principle is as follows: when in use, firstly, surface runoff enters the primary filter layer 10 through the water collecting ditch 91 and the water inlet 92 which are arranged on the surface layer 9, water sequentially passes through the clay medium layer 101, the gravel filter layer 102 and the gravel layer 103 which are arranged in the primary filter layer 10, filtering, adsorbing and removing larger impurities in the water body, allowing the purified water body to enter the heavy metal purification layer 11, sequentially passing through a first manganese sand layer 111, a ceramsite layer 112 and a second manganese sand layer 113 arranged in the heavy metal purification layer 11, purifying organic impurities such as iron, manganese, ammonia nitrogen and the like in the water body, enabling the purified water body to enter the bottom filtering layer 8 and to pass through an anthracite filtering material layer 81 and an activated carbon layer 82 which are arranged in the bottom filtering layer 8 in sequence, the water purification device is used for adsorbing and purifying fine impurities and peculiar smell in the water body, the purified water body enters the water collecting tank 2 and then is discharged into the water outlet tank 3 through the water discharging pipe 4 to be discharged.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The novel filtering building material for preventing underground water pollution is characterized by comprising a base (1) and an external frame (5);

an external frame (5) is arranged on the upper surface of the base (1), a water collecting tank (2) is formed between the base (1) and the external frame (5), a water outlet tank (3) is formed in the outer side of the external frame (5) on the base (1), and the water collecting tank (2) is communicated with the water outlet tank (3) through a water outlet pipe (4);

the inside welding of exterior frame (5) has first orifice plate (6) and second orifice plate (7), it has heavy metal purification layer (11) and bottom filter layer (8) to pack in proper order from top to bottom between first orifice plate (6) and second orifice plate (7), the top of second orifice plate (7) is packed in proper order has primary filter layer (10) and surface course (9).

2. The novel underground water pollution prevention filter building material as claimed in claim 1, wherein the surface layer (9) is made of water permeable bricks made of water permeable materials, a water collecting ditch (91) is formed on the upper surface of the surface layer (9), and water inlet holes (92) penetrating through the surface layer (9) are formed in the inner bottom plate of the water collecting ditch (91).

3. The novel filtration building material for preventing underground water pollution according to claim 1, wherein the primary filter layer (10) comprises a clay medium layer (101), a gravel filter layer (102) and a gravel layer (103), and the clay medium layer (101), the gravel filter layer (102) and the gravel layer (103) are sequentially laid from top to bottom.

4. A novel filtration building material for preventing underground water pollution according to claim 3, wherein the thickness of the primary filtration layer (10) is 30-50mm, and the average particle size of the gravels in the gravel layer (103) is 6-8 mm.

5. The novel filtration building material for preventing underground water pollution according to claim 1, wherein the heavy metal purification layer (11) comprises a first manganese sand layer (111), a ceramsite layer (112) and a second manganese sand layer (113), and the ceramsite layer (112) is disposed between the first manganese sand layer (111) and the second manganese sand layer (113).

6. The novel underground water pollution prevention filter building material as claimed in claim 5, wherein the manganese sand and the ceramsite in the first manganese sand layer (111), the ceramsite layer (112) and the second manganese sand layer (113) have particle sizes of 1.25-1.6 mm.

7. The novel filtration building material for preventing underground water pollution according to claim 1, wherein the bottom layer filtration layer (8) comprises a anthracite filter layer (81) and an activated carbon layer (82), and the anthracite filter layer (81) is laid on the upper surface of the activated carbon layer (82).

8. The novel filtration building material for preventing underground water pollution according to claim 1, wherein the thickness of the face layer (9) is 60-70mm, the thickness of the primary filtration layer (10) is 30-50mm, the thickness of the heavy metal purification layer (11) is 30-40mm, and the thickness of the bottom filtration layer (8) is 50-60 mm.