CN215673996U

CN215673996U - Nonmetal leakage-proof double-sleeve piece for sewage pipes

Info

Publication number: CN215673996U
Application number: CN202122118895.7U
Authority: CN
Inventors: 蔡成云
Original assignee: Huaya Industrial Plastic Taicang Co ltd
Current assignee: Huaya Industrial Plastic Taicang Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-01-28
Anticipated expiration: 2031-09-06

Abstract

The utility model discloses a non-metal leakage-proof double-casing pipe piece for a sewage discharge pipeline, which comprises an inner pipe and an outer pipe, wherein the outer pipe is sleeved outside the inner pipe, two ends of the outer pipe are hermetically connected with the outer wall of the inner pipe, the outer side of the inner pipe is also provided with a plurality of supporting pieces for supporting the inner wall of the outer pipe, the supporting pieces are uniformly distributed along the axial direction of the outer pipe, the inner side of the inner pipe is provided with an inner baffle ring integrally formed with the inner pipe, the outer pipe is provided with a discharge port, a pressure monitor is arranged on the outer pipe close to the discharge port, the discharge port is connected with a discharge pipe, and the discharge pipe is provided with a control valve. The nonmetal leakage-proof double-sleeve piece for the sewage discharge pipeline disclosed by the utility model can effectively reduce the impulsive force, prolong the practical life, prevent sewage from leaking to the outside, pollute the external environment and improve the discharge safety.

Description

Nonmetal leakage-proof double-sleeve piece for sewage pipes

Technical Field

The utility model belongs to the technical field of pipelines, and particularly relates to a non-metal leakage-proof double-sleeve piece for a sewage pipeline.

Background

With the rising development of modern industry and the improvement of environmental protection requirements, the treatment requirements for waste gas and sewage which pollute the environment and are generated in industrial production are higher and higher. In a sewage pipe, a single sleeve is generally used for sewage discharge. However, the sewage corrosivity is strong, corrodes the tubular product inner wall easily in long-time use for blow off pipe life can shorten, and sewage displacement is big in addition, can cause great impact force to the blow off intraduct, leads to the blow off pipe to appear the crack easily, leads to sewage to leak. Once sewage leaks, the sewage is not easy to recover and treat, the environment is polluted, and the sewage discharge and conveying safety is also influenced.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: in order to overcome the defects, the utility model aims to provide a non-metal leakage-proof double-casing pipe piece for a sewage discharge pipeline, which has a simple structure, can effectively reduce impulsive force, prolong the service life, prevent sewage from leaking to the outside, pollute the external environment and improve the discharge safety.

The technical scheme is as follows: a nonmetal leakage-proof double-casing pipe for a sewage discharge pipeline comprises an inner pipe and an outer pipe, wherein the outer pipe is sleeved outside the inner pipe, two ends of the outer pipe are hermetically connected with the outer wall of the inner pipe, a plurality of supporting pieces for supporting the outer pipe are further arranged outside the inner pipe, the supporting pieces are uniformly distributed along the axial direction of the outer pipe, the connecting strength of the outer pipe is improved, and a space for containing leaked sewage is ensured between the inner pipe and the outer pipe; the inner side of the inner pipe is provided with an inner baffle ring integrated with the inner pipe, so that the throttling and pressure reduction effects are achieved, and the impact force of sewage on the inner pipe is reduced; the outer pipe is provided with a drainage port, a pressure monitor is arranged on the outer pipe close to the drainage port, the drainage port is connected with a drainage pipe, and the drainage pipe is provided with a control valve. When the inner tube broke, when sewage flowed into the outer tube, pressure monitor monitoring pressure changed, when the pressure value exceeded the setting value, in time controlled discharge pipe stopped discharging sewage, avoided further damage equipment, improved the security to open the last control valve of bleeder line, with the sewage drainage sewage treatment department of leaking, avoid sewage leakage polluted environment. The impact force of sewage discharge is reduced through the inner baffle ring, the rupture speed of the inner pipe is slowed down, and the service life of the inner pipe is prolonged; and through double-barrelled setting, prevent that sewage from leaking outside, polluting the external environment to the sewage centralized treatment is leaked to the inner tube, improves and discharges the security.

Furthermore, the nonmetal leakage-proof double-casing pipe piece for the sewage discharge pipeline is characterized in that the inner side of the supporting piece is an annular part matched with the inner pipe, and a plurality of support legs which are uniformly distributed on the circumference are arranged on the outer side of the annular part. The stabilizer blade can support the outer tube inner wall, guarantees the clearance between inner tube outer wall and the outer tube inner wall.

Furthermore, the number of the support legs is not less than 3, preferably 3-5, so that the supporting strength is improved.

Furthermore, the non-metal leakage-proof double-sleeve piece for the sewage discharge pipeline is provided with the notch on the annular part, so that the support piece can be conveniently disassembled and assembled.

Furthermore, the sewage discharge pipeline is a nonmetal leakage-proof double-sleeve piece, and the outer pipe is made of PP-R materials. The PP-R material has high strength, good impact resistance and long-term creep property, and the pipeline has excellent chemical corrosion resistance.

Furthermore, the sewage discharge pipeline is a nonmetal leakage-proof double-casing pipe, and the inner pipe is made of PVC materials. The PVC material has strong corrosion resistance and is firm and durable.

Furthermore, foretell sewage pipes is with nonmetal double casing spare of preventing leaking, the inside corrosion resistant layer that is equipped with of inner tube, the outside is equipped with the temperature resistant layer. The corrosion resistant layer further improves the corrosion resistance of the inner pipe, and the temperature resistant layer can resist the sewage discharge of high temperature in the pipe, thereby improving the high temperature resistance of the inner pipe and prolonging the service life of the inner pipe.

Furthermore, the nonmetal leakage-proof double-casing pipe piece for the sewage discharge pipeline is characterized in that an outer baffle ring sleeved on the outer side of the inner pipe is arranged between the supporting pieces, and the outer diameter of the outer baffle ring is smaller than the inner diameter of the outer pipe, so that a gap between the outer wall of the inner pipe and the inner wall of the outer pipe is ensured. When the inner tube fracture mouth is too big, the impact force that sewage got into the outer tube is big, and outer fender ring can effectively reduce the impulsive force, avoids the outer tube to break.

The technical scheme shows that the utility model has the following beneficial effects:

1. the nonmetal leakage-proof double-sleeve piece for the sewage discharge pipeline adopts nonmetal high-performance materials, and is strong in corrosion resistance and impact resistance, firm and durable; the corrosion-resistant layer is arranged inside the inner pipe, the temperature-resistant layer is arranged outside the inner pipe, the corrosion-resistant layer further improves the corrosion resistance of the inner pipe, the temperature-resistant layer can improve the high-temperature resistance of the inner pipe, and the service life is further prolonged;

2. the nonmetal leakage-proof double-sleeve piece for the sewage discharge pipeline reduces sewage discharge impulsive force through the inner baffle ring and the outer baffle ring, slows down the rupture speed of the inner pipe and prolongs the service life; and through double-barrelled setting, prevent that sewage from leaking outside, polluting the external environment to the sewage centralized treatment is leaked to the inner tube, improves and discharges the security.

Drawings

FIG. 1 is a schematic structural view of a non-metallic leakage-proof double-sleeve component for a sewage pipeline according to the present invention;

FIG. 2 is a cross-sectional schematic view A of a non-metallic leak-proof double sleeve member for a sewerage pipeline in FIG. 1;

in the figure: 1 inner pipe, 11 inner baffle ring, 2 outer pipe, 3 supporting piece, 31 annular part, 32 support legs, 33 gaps, 4 drainage ports, 5 drainage pipes and 6 outer baffle ring.

Detailed Description

The utility model is further elucidated with reference to the drawings and the embodiments.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and 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, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; 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 by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

As shown in fig. 1-2, the non-metal leakage-proof double-sleeve component for the sewage pipe comprises an inner pipe 1 and an outer pipe 2, wherein the outer pipe 2 is sleeved outside the inner pipe 1, two ends of the outer pipe 2 are hermetically connected with the outer wall of the inner pipe 1, a plurality of supporting pieces 3 for supporting the outer pipe 2 are further arranged outside the inner pipe 1, the supporting pieces 3 are uniformly distributed along the axial direction of the outer pipe 2, the connection strength of the outer pipe 2 is improved, and a space for containing leaked sewage is ensured between the inner pipe 1 and the outer pipe 2; an inner baffle ring 11 integrated with the inner pipe 1 is arranged on the inner side of the inner pipe 1, an outer baffle ring 6 sleeved on the outer side of the inner pipe 1 is arranged between the supporting pieces 3, the outer diameter of the outer baffle ring 6 is smaller than the inner diameter of the outer pipe 2, and the inner baffle ring 11 and the outer baffle ring 6 are throttled and depressurized and the impact force of sewage on the pipe wall is reduced; be equipped with the outlet 4 on the outer tube 2, just be close to outlet 4 department on the outer tube 2 and be equipped with pressure monitor, be connected with the bleeder 5 on the outlet 4, be equipped with the control valve on the bleeder 5. When the inner tube 1 breaks, sewage flows into outer tube 2, and pressure monitor monitoring pressure changes, and when the pressure value exceeded the setting value, in time control discharge pipe stopped discharging sewage, avoided further damage equipment, improved the security to open control valve on the bleeder tube 5, with the sewage drainage sewage of leaking sewage treatment department, avoid sewage leakage polluted environment.

Example 2

The inner side of the supporting part 3 is provided with an annular part 31 matched with the inner pipe 1, and the outer side of the annular part 31 is provided with a plurality of supporting feet 32 which are uniformly distributed on the circumference. The support legs 32 can support the inner wall of the outer tube 2, and ensure a gap between the outer wall of the inner tube 1 and the inner wall of the outer tube 2.

The number of the supporting feet 32 is not less than 3, preferably 3-5, so that the supporting strength is improved

The annular portion 31 is provided with a notch 33, which facilitates the disassembly and assembly of the support member 3.

The outer tube 2 is made of PP-R material; the inner pipe 1 is made of PVC materials.

The inner pipe 1 is internally provided with a corrosion resistant layer, and the outer part is provided with a temperature resistant layer. The corrosion resistant layer further improves the corrosion resistance of the inner pipe, and the temperature resistant layer can resist the sewage discharge of high temperature in the pipe, thereby improving the high temperature resistance of the inner pipe and prolonging the service life of the inner pipe.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that modifications can be made by those skilled in the art without departing from the principle of the present invention, and these modifications should also be construed as the protection scope of the present invention.

Claims

1. The utility model provides a sewage pipes is with two sleeve spares are prevented leaking to nonmetal which characterized in that: including inner tube (1) and outer tube (2), outer tube (2) cover is in inner tube (1) outside, just outer tube (2) both ends and inner tube (1) outer wall sealing connection, inner tube (1) outside still is equipped with support piece (3) of a plurality of support outer tubes (2), outer tube (2) axial evenly distributed is followed in support piece (3), inner tube (1) inboard is equipped with interior fender ring (11) of an organic whole with it, be equipped with on outer tube (2) and let off mouthful (4), just be close to on outer tube (2) and let off mouthful (4) department and be equipped with pressure monitor, be connected with on letting off mouthful (4) and let off pipe (5), be equipped with the control valve on letting off pipe (5).

2. A non-metallic leakage prevention double sleeve member for a sewerage pipeline according to claim 1, characterised in that: the inner side of the supporting piece (3) is provided with an annular part (31) matched with the inner pipe (1), and the outer side of the annular part (31) is provided with a plurality of supporting feet (32) which are uniformly distributed on the circumference.

3. A non-metallic leakage prevention double sleeve member for a sewerage pipeline according to claim 2, characterised in that: the number of the supporting feet (32) is not less than 3.

4. A non-metallic leakage prevention double sleeve member for a sewerage pipeline according to claim 2, characterised in that: the annular part (31) is provided with a notch (33).

5. A non-metallic leakage prevention double sleeve member for a sewerage pipeline according to claim 1, characterised in that: the outer tube (2) is made of PP-R materials.

6. A non-metallic leakage prevention double sleeve member for a sewerage pipeline according to claim 1, characterised in that: the inner pipe (1) is made of PVC materials.

7. A non-metallic leakage prevention double sleeve member for a sewerage pipeline according to claim 6, characterised in that: the inner pipe (1) is internally provided with a corrosion resistant layer, and the outer part of the inner pipe is provided with a temperature resistant layer.

8. A non-metallic leakage prevention double sleeve member for a sewerage pipeline according to claim 1, characterised in that: an outer retaining ring (6) sleeved on the outer side of the inner pipe (1) is arranged between the supporting pieces (3), and the outer diameter of the outer retaining ring (6) is smaller than the inner diameter of the outer pipe (2).