CN110375118B

CN110375118B - Concentrated acid conveying PVC pipeline capable of preventing overflow

Info

Publication number: CN110375118B
Application number: CN201910555615.3A
Authority: CN
Inventors: 周亚妹; 刘培元; 李春梅
Original assignee: Huian County Chongwu Town Xingchai Tea Set Business
Current assignee: Guangdong Dongsu Plastic Co.,Ltd.
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-11-17
Anticipated expiration: 2039-06-25
Also published as: CN110375118A

Abstract

The invention discloses a concentrated acid conveying PVC pipeline capable of preventing overflow, which structurally comprises: the anti-overflow device comprises a front sleeve head, a conveying pipe and a rear sleeve head, wherein the front sleeve head is arranged on the front side of the conveying pipe and is movably connected with the conveying pipe, and when the device is used, the anti-overflow mechanism is arranged, so that the anti-overflow device can prevent strong corrosivity of concentrated acid, strong acid liquid is remained in the pipeline when the pipeline needs to be replaced, maintained or detached, the concentrated acid in the pipeline easily flows outwards due to inclination, certain danger is caused even if protective gloves are arranged for operation, and certain health threat can be caused to an operator, so that the problems of overflow and splashing of replacement and installation of the concentrated acid pipeline are solved, the device can effectively prevent the strong acid liquid from overflowing and splashing outwards, and the health safety of the operator is ensured.

Description

Concentrated acid conveying PVC pipeline capable of preventing overflow

Technical Field

The invention relates to a concentrated acid conveying PVC pipeline capable of preventing overflowing, and belongs to the field of PVC pipelines.

Background

As one of the products of the scientific and technological development, PVC pipes are accessible in daily life, the main component of PVC is polyvinyl chloride, and other components are added to enhance the heat resistance, toughness and ductility of the PVC pipe, so that the PVC pipe can be used as a concentrated acid conveying PVC pipe material capable of preventing overflow.

The prior art has the following defects: because concentrated acid has very strong corrosivity, so when the pipeline need be changed and maintained or demolish, the inside strong acid liquid that can remain of pipeline, the inside concentrated acid of pipeline is easy and outwards flows because of the slope, even have protective gloves and operate and also have certain danger, can cause certain health threat to the operating personnel, consequently the anti-overflow of concentrated acid pipeline change installation and spill problem are the big problem that a needs waited for to solve.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a concentrated acid conveying PVC pipeline capable of preventing overflow, so as to solve the problems that the concentrated acid is very corrosive, when the pipeline needs to be replaced, maintained or dismantled, strong acid liquid is remained in the pipeline, the concentrated acid in the pipeline easily flows outwards due to inclination, even if the pipeline is operated by protective gloves, certain danger is caused, and certain health threat is caused to operators, so that the problems of overflow prevention and splashing prevention of replacement and installation of the concentrated acid pipeline are the big problems to be solved.

In order to achieve the purpose, the invention is realized by the following technical scheme: a concentrated acid conveying PVC pipeline capable of preventing overflowing structurally comprises: leading pullover, conveyer pipe, rearmounted pullover, the conveyer pipe front side is equipped with leading pullover, leading pullover and conveyer pipe swing joint, the conveyer pipe right side be equipped with rearmounted pullover and with rearmounted pullover swing joint, leading pullover includes anti-overflow device, embedding device, connects the union buckle, transition pipe, flange joint head install in the transition pipe outside and with the transition pipe welding, the transition pipe inboard is equipped with anti-overflow device, anti-overflow device and transition pipe screw-thread fit, the anti-overflow device inboard is equipped with the union buckle, the union buckle is buckled with anti-overflow device lock joint, the union buckle inboard be equipped with embedding device and with embedding device swing joint.

Preferably, the anti-overflow device comprises a conical sleeve, an anti-overflow groove pipe and a threaded sleeve, the conical sleeve is arranged on the inner side of the anti-overflow groove pipe in a penetrating mode, the threaded sleeve is arranged at one end of the inner side of the anti-overflow groove pipe, and the threaded sleeve is welded with the anti-overflow groove pipe.

Preferably, the embedding device comprises an engaging device, an extension pipe body and an engaging head, the engaging head is installed outside the extension pipe body and is buckled with the extension pipe body, the engaging device is arranged inside the extension pipe body, and the engaging device is welded with the extension pipe body.

Preferably, the linking device includes sealing layer, anti-overflow circle, isolated circle install in the sealing layer inboard and with the sealing layer lock joint, the sealing layer is located the anti-overflow circle outside and is glued with the anti-overflow circle.

Preferably, the inner surface of the anti-overflow ring is provided with a plurality of sets of grooves, which is beneficial to blocking the backflow of the strong acid liquid.

Preferably, the outer aperture of the adaptor is slightly larger than the inner aperture of the conical sleeve, and the adaptor and the conical sleeve are in a certain offset relationship to guide liquid into the anti-overflow trough pipe when the pipeline is inclined.

Preferably, the front sleeve head and the rear sleeve head are identical in structure and are symmetrical to each other.

Preferably, a user can use the front sleeve head and the rear sleeve head to connect a strong acid liquid conveying PVC pipeline, the connecting pipe buckle is used for connecting the conveying pipe, the sealing layer is matched with the extension pipe body, so that the front sleeve head and the rear sleeve head are connected with the conveying pipe more tightly, the isolation ring is used for ensuring that the sealing layer is not corroded, the threaded sleeve is used for connecting the transition pipe, when the pipeline needs to be replaced, maintained or detached, the flange connectors at two ends are rotated to be loosened, the strong acid liquid which is not completely discharged can be remained in the conveying pipe, at the moment, when the conveying pipe is taken out, the conveying pipe can incline to a certain degree towards one end, the strong acid liquid at the inner wall can flow to the outlet at the lower end, in the process, the strong acid solution can be initially isolated at the anti-overflow ring, and can flow into the anti-overflow groove pipe under the mutual matching of the adapter and the tapered sleeve pipe, without continuing to trickle out towards the outlet.

Advantageous effects

Compared with the prior art, the invention has the beneficial effects that: when the pipeline need be changed and is maintained or demolish, through carrying out rotation treatment to the flange joint head, and then make every section PVC pipeline can separate, PVC pipeline can slope at this in-process, and the inside remaining strong acid liquid of pipeline then can flow toward embedding device department along the inner wall, and then the anti-overflow circle can tentatively cut off strong acid liquid, remaining liquid then can be in the anti-overflow trough pipe is finally stayed under linking head and taper sleeve's the mutually supporting, effectively prevent the excessive and outside spill of strong acid liquid, guarantee operating personnel's health safety.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic view of an appearance structure of a concentrated acid conveying PVC pipeline capable of preventing overflowing.

Fig. 2 is a schematic front sectional view of the front end of the front sleeve of the present invention.

Fig. 3 is a schematic structural view of the overflow preventing device of the present invention.

FIG. 4 is a schematic cross-sectional view of an embedding device according to the present invention.

FIG. 5 is a schematic cross-sectional view of a connecting device according to the present invention.

In the figure: the anti-overflow device comprises a front sleeve head-1, a conveying pipe-2, a rear sleeve head-3, an anti-overflow device-a, an embedding device-b, a connecting pipe buckle-c, a transition pipe-d, a flange connector-e, a taper sleeve-a 1, an anti-overflow groove pipe-a 2, a thread sleeve-a 3, a connecting device-b 1, an extension pipe body-b 2, a connecting head-b 3, a sealing layer-b 11, an anti-overflow ring-b 12 and an isolation ring-b 13.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Referring to fig. 1-5, the present invention provides a solution for preventing overflow of concentrated acid in PVC pipeline: the structure includes: a concentrated acid conveying PVC pipeline capable of preventing overflowing structurally comprises: leading pullover 1, conveyer pipe 2, rearmounted

pullover

3, 2 front sides of conveyer pipe are equipped with leading pullover 1, leading

pullover

1 and 2 swing joint of conveyer pipe, 2 right sides of conveyer pipe are equipped with rearmounted pullover 3 and with rearmounted pullover 3 swing joint, leading pullover 1 includes anti-overflow device an, embedding device b, takes over and detains c, transition pipe d, flange joint head e install in the transition pipe d outside and with the welding of transition pipe d, transition pipe d inboard is equipped with anti-overflow device an, anti-overflow device an and transition pipe d screw-thread fit, anti-overflow device an inboard is equipped with takes over c, take over c and anti-overflow device a lock joint, take over c inboard be equipped with embedding device b and with embedding device b swing joint.

The anti-overflow device a comprises a tapered sleeve a1, an anti-overflow groove pipe a2 and a threaded sleeve a3, wherein the tapered sleeve a1 penetrates through the inner side of the anti-overflow groove pipe a2, the threaded sleeve a3 is arranged at one end of the inner side of the anti-overflow groove pipe a2, the threaded sleeve a3 is welded with the anti-overflow groove pipe a2, and the anti-overflow device a is matched with the adapter b3 through the tapered sleeve a1 so that strong acid liquid in the inner wall can flow into the anti-overflow groove pipe a 2.

The embedding device b comprises an engaging device b1, an extension pipe body b2 and an engaging head b3, wherein the engaging head b3 is installed on the outer side of the extension pipe body b2 and is buckled with the extension pipe body b2, the engaging device b1 is arranged on the inner side of the extension pipe body b2, the engaging device b1 is welded with the extension pipe body b2, and the embedding device b provides anti-overflow assistance and fixing assistance for the pipe body through the engaging device b 1.

The engagement device b1 comprises a sealing layer b11, an anti-overflow ring b12 and an isolation ring b13, wherein the isolation ring b13 is arranged on the inner side of a sealing layer b11 and is buckled with the sealing layer b11, the sealing layer b11 is arranged on the outer side of the anti-overflow ring b12 and is glued with the anti-overflow ring b12, and the engagement device b1 can be fixed more tightly through the cooperation of the sealing layer b 11.

The invention is mainly characterized in that: the user can use the front sleeve head 1 and the rear sleeve head 3 to connect the strong acid liquid conveying PVC pipeline, the connecting pipe buckle c is used for connecting the conveying pipe 2, the sealing layer b11 is matched with the extension pipe body b2, so that the front sleeve head 1 and the rear sleeve head 3 are more tightly connected with the conveying pipe 2, the isolation ring b13 is used for ensuring that the sealing layer b11 cannot be corroded, the threaded sleeve a3 is used for connecting with the transition pipe d, when the pipeline needs to be replaced, maintained or removed, the two-end flange connector e is rotated to be loosened, the strong acid liquid which is not completely discharged is remained in the conveying pipe 2, at the moment, when the conveying pipe 2 is taken out, the conveying pipe 2 is inclined to one end, the strong acid liquid on the inner wall flows to the outlet at the lower end, in the process, the strong acid liquid is initially isolated in the anti-overflow ring b12, and flows into the anti-overflow groove pipe a2 under the mutual matching of the adapter b3 and the tapered sleeve pipe 1, without continuing to trickle out towards the outlet.

According to the invention, through the mutual combination of the components, when the device is used, the anti-overflow mechanism is arranged, so that the anti-overflow device can prevent concentrated acid from having strong corrosivity, when the pipeline needs to be replaced, maintained or dismantled, strong acid liquid can be remained in the pipeline, the concentrated acid in the pipeline can easily flow outwards due to inclination, even if the pipeline is operated by protective gloves, certain danger can be caused, and certain health threat can be caused to operators, therefore, the anti-overflow and splashing problems of replacement and installation of the concentrated acid pipeline are a big problem to be solved, the device can effectively prevent the strong acid from overflowing and splashing outwards, and the health safety of operators can be ensured.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A concentrated acid conveying PVC pipeline capable of preventing overflowing is characterized in that: the structure includes: the device comprises a front sleeve head (1), a conveying pipe (2) and a rear sleeve head (3), wherein the front sleeve head (1) is arranged on the front side of the conveying pipe (2), the front sleeve head (1) is movably connected with the conveying pipe (2), and the rear sleeve head (3) is arranged on the right side of the conveying pipe (2) and is movably connected with the rear sleeve head (3);

the front sleeve head (1) comprises an anti-overflow device (a), an embedding device (b), a connecting pipe buckle (c), a transition pipe (d) and a flange connector (e), wherein the flange connector (e) is installed on the outer side of the transition pipe (d), the anti-overflow device (a) is arranged on the inner side of the transition pipe (d), the anti-overflow device (a) is in threaded fit with the transition pipe (d), the connecting pipe buckle (c) is arranged on the inner side of the anti-overflow device (a), and the embedding device (b) is arranged on the inner side of the connecting pipe buckle (c);

the anti-overflow device (a) comprises a conical sleeve (a1), an anti-overflow groove pipe (a2) and a threaded sleeve (a3), wherein the conical sleeve (a1) penetrates through the inner side of the anti-overflow groove pipe (a2), the threaded sleeve (a3) is arranged at one end of the inner side of the anti-overflow groove pipe (a2), and the threaded sleeve (a3) is welded with the anti-overflow groove pipe (a 2);

the embedding device (b) comprises an engaging device (b1), an extension pipe body (b2) and an engaging head (b3), wherein the engaging head (b3) is installed on the outer side of the extension pipe body (b2) and is buckled with the extension pipe body (b2), the engaging device (b1) is arranged on the inner side of the extension pipe body (b2), and the engaging device (b1) is welded with the extension pipe body (b 2);

the engagement device (b1) comprises a sealing layer (b11), an anti-overflow ring (b12) and an isolation ring (b13), the isolation ring (b13) is mounted on the inner side of the sealing layer (b11) and is buckled with the sealing layer (b11), and the sealing layer (b11) is arranged on the outer side of the anti-overflow ring (b 12);

when the pipeline needs to be replaced, maintained or dismantled, make it loosen through rotatory both ends flange joint head (e), the inside strong acid liquid that does not discharge then can remain of conveyer pipe (2), when taking out conveyer pipe (2) again this moment, conveyer pipe (2) can produce the certain circumstances of inclining to one end, the strong acid liquid of inner wall then can flow to lower one end export this moment, at this moment, strong acid solution can be isolated in anti-overflow circle (b12) is preliminary, then can flow to anti-overflow groove pipe (a2) under linking up head (b3) and taper sleeve pipe (a1) mutually support, and can not continue to flow and spill to the exit.