CN213508834U

CN213508834U - Perpendicular seepage prevention structure in blowdown pond side

Info

Publication number: CN213508834U
Application number: CN202022040663.XU
Authority: CN
Inventors: 刘弼
Original assignee: Sichuan Gelan Environmental Protection Engineering Co ltd
Current assignee: Sichuan Gelan Environmental Protection Engineering Co ltd
Priority date: 2020-09-17
Filing date: 2020-09-17
Publication date: 2021-06-22
Anticipated expiration: 2030-09-17

Abstract

A vertical seepage-proofing structure on the side surface of a sewage pool is provided, wherein a first geomembrane, a pair of second geomembranes and a pair of third geomembranes are arranged around the sewage pool; the pair of first geomembranes are connected through the third geomembrane, and the pair of second geomembranes are connected through the third geomembrane; the end faces of the first geomembrane and the second geomembrane, which are connected with the third geomembrane, are provided with U-shaped locking grooves, the inner side groove walls of the locking grooves are provided with a plurality of pairs of first buckles which are symmetrical about the axis of the locking grooves, each pair of first buckles is L-shaped, the opening of each pair of first buckles faces the bottom of the locking groove to form a barb-shaped buckle, and a space is reserved between each pair of barb-shaped buckles; a plurality of pairs of second buckles which are symmetrical about the central axis of the body are arranged at the two ends of the third geomembrane, the sizes of the second buckles are the same as those of the first buckles, and openings of the second buckles at the two ends of the third geomembrane are opposite and vertical; in the draw-in groove between arbitrary two pairs of first buckles of second buckle embedding, insert the stagnant water strip that meets water inflation in the cavity that both made up and form. The utility model discloses sealing performance is good, and joint strength is high.

Description

Perpendicular seepage prevention structure in blowdown pond side

Technical Field

The utility model relates to a blowdown pond prevention of seepage technical field especially relates to a perpendicular seepage prevention structure of blowdown pond side.

Background

In order to prevent pollutants in the sewage disposal pool from polluting the surrounding environment, the side wall and the bottom of the sewage disposal pool are often provided with HDPE geomembranes, so that the sewage is prevented from seeping into the soil. After long-term use, however, the geomembrane in the sewage disposal basin may have cracks or other problems, and in order to completely isolate the pollution source from the external environment, the periphery of the sewage disposal basin is often constructed by using materials with good anti-seepage and anti-fouling properties to form a vertical curtain or wall body to seal the pollution source. The vertical curtains are usually made of HDPE geomembranes, but the HDPE geomembrane joints in the prior art are usually in a form of heat welding or concrete pouring, the sealing effect is general, and the length of the geomembrane is usually surplus, so that the HDPE geomembrane buried in the soil is more wrinkled. Prior art also has the adoption water inflation type stagnant water to detain and seal up HDPE geomembrane junction, like patent CN208056128U, HDPE geomembrane junction is equipped with E type latch fitting, two mutual chucking of E type latch fitting, insert water inflation type stagnant water in two E type latch fittings again and detain, water inflation type stagnant water is detained and is met water inflation with two E type latch fittings and expand tightly together, realize sealed effect, nevertheless this kind of E type latch fitting end often can be detained by stagnant water and expand and warp, lead to the latch fitting end seal effect not good.

SUMMERY OF THE UTILITY MODEL

To the problem among the prior art scheme, the utility model provides a perpendicular seepage prevention structure in blowdown pond side.

The utility model provides a following technical scheme: a vertical seepage-proofing structure on the side surface of a sewage pool is characterized in that a vertical seepage-proofing film with a square cross section is arranged around the sewage pool and comprises two pairs of first geomembranes, a pair of second geomembranes and a pair of third geomembranes; the pair of first geomembranes are connected through the third geomembrane, and the pair of second geomembranes are connected through the third geomembrane;

the end faces of the first geomembrane and the second geomembrane, which are connected with the third geomembrane, are provided with U-shaped locking grooves, the inner side groove walls of the locking grooves are provided with a plurality of pairs of first buckles which are symmetrical about the axial line of the locking grooves, each pair of first buckles is L-shaped, the opening of each pair of first buckles faces the bottom of the locking groove to form a barb-shaped buckle, and a space is reserved between each pair of barb-shaped buckles; a plurality of pairs of second buckles which are symmetrical about the central axis of the body are arranged at the two ends of the third geomembrane, the sizes of the second buckles are the same as those of the first buckles, and openings of the second buckles at the two ends of the third geomembrane are opposite and vertical; in the draw-in groove between arbitrary two pairs of first buckles of second buckle embedding, insert the stagnant water strip that meets water inflation in the cavity that both made up and form.

Furthermore, soil layers exist on the side face and the bottom of the sewage disposal pool, a low-permeability soil layer is arranged below the soil layers, and the vertical impermeable membrane penetrates through the soil layers and is inserted into the low-permeability soil layers.

Furthermore, one end face of the first geomembrane is provided with a first locking piece, and one end face of the second geomembrane is provided with a second locking piece; first latch fitting and second latch fitting are cylindricality and inside cavity, the second latch fitting is located inside the first latch fitting, and first latch fitting and second latch fitting pass through the inside concrete fixed connection who pours of cylinder.

Further, first latch fitting and second latch fitting are cylindricly, second latch fitting diameter is less than first latch fitting.

Further, first latch fitting side is equipped with the bar hole of vertical direction, the second latch fitting is located inside the first latch fitting, and the second geomembrane card is in the bar hole.

Further, the number of pairs of the first buckles is more than that of the second buckles.

Further, concrete is poured into a cavity formed by the third geomembrane end portion embedded into the locking groove and the first buckle.

The utility model has the advantages that: the utility model provides a geomembrane junction length adjustable adopts the form that sealing rod and concrete combine to seal the geomembrane junction, and is sealed effectual.

Drawings

Fig. 1 is a schematic view of an embodiment of the vertical impermeable membrane of the present invention.

Fig. 2 is a top view of the embodiment shown in fig. 1.

Fig. 3 is an enlarged view of the portion a of the embodiment shown in fig. 2.

Fig. 4 is an enlarged view of the portion B of the embodiment shown in fig. 2.

Fig. 5 is a schematic view of an embodiment of the sewage tank and its peripheral arrangement.

Reference numerals: 1-a first geomembrane; 2-a second geomembrane; 3-a third geomembrane; 4-locking the groove; 5-a first buckle; 6-a second buckle; 7-water stop bar; 8-concrete; 9-a mud layer; 10-a sewage disposal pool; 11-vertical impermeable membrane; 12-low permeability soil layer.

Detailed Description

The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings and reference numerals, so that those skilled in the art can implement the embodiments after studying the specification. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

The utility model provides a vertical seepage-proofing structure of the side surface of a sewage pool as shown in figures 1, 2 and 5, wherein a vertical seepage-proofing film 11 with a square cross section is arranged around the sewage pool 10, and the vertical seepage-proofing film 11 comprises two pairs of first geomembranes 1, a pair of second geomembranes 2 and a pair of third geomembranes 3; the pair of first geomembranes 1 are connected through the third geomembrane 3, and the pair of second geomembranes 2 are connected through the third geomembrane 3; one end face of the first geomembrane 1 is provided with a first locking piece 101, and one end face of the second geomembrane 2 is provided with a second locking piece 201; the first locking piece 101 and the second locking piece 201 are cylindrical and hollow, the second locking piece 201 is positioned in the first locking piece 101, and the first locking piece 101 and the second locking piece 201 are fixedly connected through concrete 8 poured in the column;

the end faces, connected with the third geomembrane 3, of the first geomembrane 1 and the second geomembrane 2 are both provided with U-shaped locking grooves 4, the inner side groove walls of the locking grooves 4 are provided with a plurality of pairs of first buckles 5 which are symmetrical about the axial line of the locking grooves 4, each pair of first buckles 5 is L-shaped, the opening of each pair of first buckles faces the bottom of the locking groove 4 to form a barb-shaped buckle, and a space is reserved between each pair of barb-shaped buckles; a plurality of pairs of second buckles 6 which are symmetrical about the central axis of the body are arranged at two ends of the third geomembrane 3, the sizes of the second buckles 6 are the same as those of the first buckles 5, and the openings of the second buckles 6 at the two ends of the third geomembrane 3 are opposite and vertical; and the second buckle 6 is embedded into a clamping groove between any two pairs of first buckles 5, and a water-swelling water stop bar 7 is inserted into a cavity formed by combining the two buckles.

The utility model discloses an installation step: the operator first uses a machine to dig a rectangular groove around the basin 10 to ensure that the vertical impermeable membrane 11 can be inserted. As shown in fig. 1 and 2, two pairs of first geomembranes 1 are vertically placed in the grooves, and similarly, two pairs of second geomembranes 2 are placed in the grooves with the rectangular short sides, and the second fasteners 201 are inserted into the first fasteners 101, as shown in fig. 4, the length of the first geomembrane 1 can be longer than that of the second geomembrane 2. And vertically placing a third geomembrane 3 between each pair of first geomembranes 1 and each pair of second geomembranes 2, and enabling the first buckles 5 of the first geomembrane 1 and the second geomembranes 2 to be embedded and clamped with the second buckles 6 of the third geomembranes 3. As shown in fig. 3, a water stop strip 7 is inserted into a cavity formed by the first buckle 5 and the second buckle 6, the number of pairs of the first buckle 5 may be greater than that of the second buckle 6, so that it is ensured that the position of the second buckle 6 in the first buckle 5 is adjustable, that is, the second buckle 6 may be inserted into different slots between the first buckles 5, so as to adjust the length of the vertical impermeable membrane 11.

After the first geomembrane 1, the second geomembrane 2 and the third geomembrane 3 are connected, earth is buried in the two sides of the first geomembrane 1, the second geomembrane 2 and the third geomembrane 3, the vertical impermeable membrane 11 is fixed, water is poured into the position of the water stop strip 7 after the earth is buried, the water stop strip 7 expands with water to fill the cavity between the first buckle 5 and the second buckle 6, and the first buckle 5 and the second buckle 6 are clamped. The water stop strip 7 has high sealing performance after expansion and good anticorrosion effect. With 3 tip embedding locked groove 4 of third geomembrane with the cavity concreting 8 that first buckle 5 formed, between first latch fitting 101 and the second latch fitting 201 to and the inside concreting 8 of second latch fitting 201, make first geomembrane 1 and the junction of second geomembrane 2, first geomembrane 1 and the junction leakproofness of second geomembrane 2 with 3 junctions of third geomembrane better, connect more stably.

Specifically, the first geomembrane 1, the second geomembrane 2 and the third geomembrane 3 can be made of HDPE films which are high-density polyethylene films and have the advantages of good corrosion resistance, high tensile strength and good seepage-proofing performance. First geomembrane 1, second geomembrane 2 and third geomembrane 3 have certain rigidity, and locked groove 4, first buckle 5, second buckle 6, first latch 101, second latch 201 can not take place to warp and influence the assembly when connecting.

Specifically, the side and the bottom of the sewage disposal pool 10 are provided with a soil layer 9, a low-permeability soil layer 12 is arranged below the soil layer 9, and a vertical impermeable membrane 11 penetrates through the soil layer 9 and is inserted into the low-permeability soil layer 12. The vertical impermeable membrane 11 prevents pollutants in the sewage disposal pool 10 from polluting the soil layer 9 around the sewage disposal pool 10.

Specifically, first locking piece 101 and second locking piece 201 are cylindric, second locking piece 201 diameter is less than first locking piece 101. First latch member 101 side is equipped with the bar hole of vertical direction, second latch member 201 is located inside first latch member 101, and the card of second geomembrane 2 is in the bar hole. The bar hole is guide effect when installing second geomembrane 2, second latch fitting 201 has moulding effect to concrete 8.

The foregoing is directed to embodiments of the present invention, and the description is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a perpendicular seepage prevention structure of blowdown pond side, is equipped with perpendicular prevention of seepage membrane (11) that the cross-section is square around blowdown pond (10), its characterized in that: the vertical impermeable membrane (11) comprises two pairs of first geomembranes (1), one pair of second geomembranes (2) and one pair of third geomembranes (3); the pair of first geomembranes (1) are connected through the third geomembrane (3), and the pair of second geomembranes (2) are connected through the third geomembrane (3);

the end faces, connected with the third geomembrane (3), of the first geomembrane (1) and the second geomembrane (2) are provided with U-shaped locking grooves (4), the inner side groove wall of each locking groove (4) is provided with a plurality of pairs of first buckles (5) which are symmetrical about the central axis of the locking groove (4), each pair of first buckles (5) is L-shaped, the opening of each pair of first buckles faces the bottom of the locking groove (4) to form a barb-shaped buckle, and a space is reserved between each pair of barb-shaped buckles; a plurality of pairs of second buckles (6) which are symmetrical about the central axis of the body are arranged at two ends of the third geomembrane (3), the sizes of the second buckles (6) and the first buckles (5) are the same, and the openings of the second buckles (6) at two ends of the third geomembrane (3) are opposite and vertical; in second buckle (6) embedding draw-in groove between arbitrary two pairs of first buckles (5), insert water stop (7) that meet water inflation in the cavity that both made up and form.

2. The vertical seepage-proofing structure on the side surface of the sewage drainage pool as claimed in claim 1, wherein: and soil layers (9) are arranged on the side surfaces and the bottom of the sewage disposal pool (10), a low-permeability soil layer (12) is arranged below the soil layer (9), and the vertical impermeable membrane (11) penetrates through the soil layer (9) and is inserted into the low-permeability soil layer (12).

3. The vertical seepage-proofing structure on the side surface of the sewage drainage pool as claimed in claim 1, wherein: one end face of the first geomembrane (1) is provided with a first locking piece (101), and one end face of the second geomembrane (2) is provided with a second locking piece (201); first latch fitting (101) and second latch fitting (201) are cylindricality and inside cavity, second latch fitting (201) are located inside first latch fitting (101), and concrete (8) fixed connection that first latch fitting (101) and second latch fitting (201) were through cylinder inside pouring.

4. The vertical seepage-proofing structure on the side surface of the sewage drainage pool as claimed in claim 3, wherein: first latch fitting (101) and second latch fitting (201) are cylindricly, second latch fitting (201) diameter is less than first latch fitting (101).

5. The vertical seepage-proofing structure on the side surface of the sewage drainage pool as claimed in claim 3, wherein: first latch fitting (101) side is equipped with the bar hole of vertical direction, second latch fitting (201) are located inside first latch fitting (101), and second geomembrane (2) card is in the bar hole.

6. The vertical seepage-proofing structure on the side surface of the sewage drainage pool as claimed in claim 1, wherein: the number of pairs of the first buckles (5) is more than that of the second buckles (6).

7. The vertical seepage-proofing structure on the side surface of the sewage drainage pool as claimed in claim 1, wherein: concrete (8) is poured into a cavity formed by the end part of the third geomembrane (3) embedded into the locking groove (4) and the first buckle (5).