CN211693836U

CN211693836U - Anti-overflow steel lining tetrafluoro conveying pipeline that leaks

Info

Publication number: CN211693836U
Application number: CN201922430440.1U
Authority: CN
Inventors: 罗映波
Original assignee: Yangzhou Mengfei Environmental Protection Technology Co Ltd
Current assignee: Yangzhou Mengfei Environmental Protection Technology Co Ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-16
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a steel lining tetrafluoro conveying pipeline that anti-overflow leaks, including outer shell pipe, the linking flange has all been welded at outer shell pipe both ends, linking up the inside linking groove of having seted up of flange, it has the inflation to buckle to link up the welding of inslot wall, the inside casing pipe is installed to outer shell pipe inside eye-splice, damping spring is installed to the buckle between inner casing pipe and the outer shell pipe, inner casing pipe one end and linking intercommunication each other between the groove, the utility model discloses an in inserting pipeline outer shell pipe both ends welded linking flange, make pipeline screw thread head buckle go into linking up the inside linking groove of seting up of flange, buckle each other with linking inslot wall welded inflation and push up and lean on to whole tetrafluoro conveying pipeline's connection leakproofness has been improved, avoid tetrafluoro conveying pipeline junction to appear the condition of oozing liquid.

Description

Anti-overflow steel lining tetrafluoro conveying pipeline that leaks

Technical Field

The utility model relates to a steel lining tetrafluoro pipe field specifically is a steel lining tetrafluoro conveying pipeline of anti-overflow leaks.

Background

The steel-lined polytetrafluoroethylene PTFE pipe and the steel-lined polytetrafluoroethylene PTFE pipe fittings are well known as the plastic king, have excellent temperature resistance and corrosion resistance, and are ideal conveying equipment for organic solvents such as nitric acid, sulfuric acid, hydrofluoric acid, phosgene, chlorine, aqua regia, mixed acid, bromide and the like and other strongly corrosive media. The steel lining tetrafluoro pipe and fittings can stably run under the working condition of high temperature (within 150 ℃) limit negative pressure for a long time, the defect that the traditional steel lining tetrafluoro pipe and fittings can not resist negative pressure is overcome, and the steel lining tetrafluoro pipe and fittings are widely applied to a plurality of high-temperature high-negative-pressure systems such as distillation and the like.

However, the existing steel-lined tetrafluoro delivery pipeline has the following disadvantages:

1. the existing steel lining tetrafluoro conveying pipeline is incomplete in connection sealing and easy to leak liquid.

2. The existing steel lining tetrafluoro conveying pipeline has single function, and an internal pipeline is easy to damage, so that liquid leaks to the outside of the pipeline, and pollution is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent steel lining tetrafluoro pipeline of excessive leakage to solve current steel lining tetrafluoro pipeline among the above-mentioned background art, link up out sealed imperfect, easy seepage liquid, current steel lining tetrafluoro pipeline, the function is single, and the inside pipeline is damaged easily, thereby leads to the liquid seepage to the pipeline outside, causes the problem of pollution.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a steel lining tetrafluoro conveying pipeline that anti-overflow leaks, includes the shell pipe, the linking flange has all been welded at shell pipe both ends, linking up the inside linking groove of having seted up of flange, it has the inflation to link up the welding of inslot wall, the inside eye-splice of shell pipe installs interior shell pipe, damping spring is installed to the buckle between interior shell pipe and the shell pipe, interior shell pipe one end and link up intercommunication each other between the groove.

Preferably, the polytetrafluoroethylene tube is sleeved and buckled inside the inner shell, and the polytetrafluoroethylene tube is sleeved and buckled inside the inner shell, so that the reliable and excellent corrosion resistance of the polytetrafluoroethylene tube is facilitated, the polytetrafluoroethylene tube has excellent chemical stability, can resist lifting points without any action of strong acid, strong base, strong oxidant and various organic solvents, and avoids the phenomenon that liquid is exposed due to the fact that liquid gas corrodes a pipeline when the polytetrafluoroethylene tube conveys various liquid gases, and the pipeline is damaged.

Preferably, polytetrafluoroethylene pipe surface mosaic has a metal mesh section of thick bamboo, through the metal mesh section of thick bamboo of polytetrafluoroethylene pipe surface mosaic, conveniently does benefit to the toughness of reinforcing polytetrafluoroethylene pipe to avoid leading to polytetrafluoroethylene pipe fracture because of dragging, leading to the condition of liquid seepage to take place.

Preferably, a heat-insulating ceramic pipe is installed in a buckling mode on the surface of the metal mesh cylinder, the whole tetrafluoro conveying pipeline is enabled to have a heat-insulating effect, the situation that the external temperature influences the temperature of liquid conveyed inside the tetrafluoro conveying pipeline is avoided, meanwhile, the heat-insulating ceramic pipe also has a good insulating effect, the situation that the whole pipeline is electrified due to liquid conduction is avoided, and the safety of the whole tetrafluoro conveying pipeline is improved.

Preferably, a desiccant is filled between the outer shell pipe and the inner shell pipe, and when the inner shell pipe is broken to cause liquid leakage, the desiccant can adsorb the liquid, so that the situation that the liquid possibly leaks out is avoided.

Preferably, the surface of the outer shell pipe is wrapped with the tin paper sleeve, and the tin paper sleeve wrapped on the surface of the outer shell pipe plays a good role in flame retardance and heat insulation.

The utility model provides a steel lining tetrafluoro conveying pipeline that anti-overflow leaks possesses following beneficial effect:

(1) the utility model discloses an in inserting the pipe insertion shell pipe both ends welded linking flange, make pipeline screw thread head buckle go into linking up the inside linking groove of seting up of flange, detain with linking up the inslot wall welded inflation and extrude each other and lean on to improve whole tetrafluoro pipeline's connection leakproofness, avoided the condition that the infiltration liquid appears in the tetrafluoro pipeline junction.

(2) The utility model discloses a polytetrafluoroethylene pipe of installation is detained to inside cover of inner shell, do benefit to through its reliable good corrosion resistance, have excellent chemical stability, can be able to bear or endure all strong acids, the alkali, strong oxidizer does not take place the point of carrying of effect with various organic solvents yet, avoid it when carrying various liquid agent gases, liquid agent gas causes the corruption to the pipeline, lead to the pipeline damaged, thereby lead to the exerted condition of liquid to appear, through the inlaid metal mesh section of thick bamboo in polytetrafluoroethylene pipe surface, the toughness of polytetrafluoroethylene pipe is conveniently favorable to reinforcing, thereby avoid leading to polytetrafluoroethylene pipe fracture because of dragging, the condition that leads to the liquid seepage takes place.

(3) The utility model discloses a temperature-insulating ceramic pipe of installation is detained to a metal mesh section of thick bamboo surface cover, make whole tetrafluoro conveying pipeline have the temperature-insulating effect, the condition of avoiding ambient temperature to influence the inside transport liquid temperature of tetrafluoro conveying pipeline takes place, the temperature-insulating ceramic pipe still has good insulating effect simultaneously, avoid leading to the electrified condition of whole pipeline to take place because of liquid is electrically conductive, whole tetrafluoro conveying pipeline's security has been improved, through the drier of packing between outer shell pipe and the inner shell pipe, can adsorb the liquid through the drier when the inner shell pipe breaks and leads to the liquid seepage, thereby avoid perhaps the condition of oozing to take place, tin paper cover through outer shell pipe surface parcel, good fire resistance and heat-proof quality have been played.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the casing tube of the present invention;

fig. 3 is a schematic view of the overall internal structure of the present invention.

In the figure: 1. a housing tube; 2. connecting flanges; 3. a joining groove; 4. an expansion buckle; 5. an inner shell tube; 6. A damping spring; 7. a heat-insulating ceramic tube; 8. a metal mesh cylinder; 9. a polytetrafluoroethylene tube; 10. a desiccant; 11. and (4) a tin paper sleeve.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1-3, the utility model provides a technical solution: the utility model provides a steel lining tetrafluoro conveying pipeline that anti-overflow leaks, includes shell pipe 1, linking flange 2 has all been welded at 1 both ends of shell pipe, linking groove 3 has been seted up to linking flange 2 inside, 3 inner wall welding in linking groove have the inflation to detain 4, shell pipe 5 is installed to 1 inside eye-splice of shell pipe, damping spring 6 is installed to the buckle between shell pipe 5 and the

shell pipe

1, 5 one ends of shell pipe and linking groove communicate each other between 3.

Preferably, the polytetrafluoroethylene tube 9 is installed inside the inner shell tube 5 in a sleeved and buckled mode, the polytetrafluoroethylene tube 9 installed inside the inner shell tube 5 in a sleeved and buckled mode is convenient to pass through the polytetrafluoroethylene tube 9, the polytetrafluoroethylene tube is reliable and excellent in corrosion resistance, has excellent chemical stability, can resist lifting points of strong acid, strong alkali, strong oxidant and various organic solvents without acting, and avoids the phenomenon that liquid is exposed due to the fact that liquid gas corrodes a pipeline when the liquid gas is conveyed, and the pipeline is damaged.

Preferably, the metal mesh cylinder 8 is embedded in the surface of the polytetrafluoroethylene tube 9, and the metal mesh cylinder 8 embedded in the surface of the polytetrafluoroethylene tube 9 is favorable for enhancing the toughness of the polytetrafluoroethylene tube 9, so that the situation that the polytetrafluoroethylene tube 9 is broken due to pulling and liquid leakage is caused is avoided.

Preferably, 8 surperficial cover buckles of a metal mesh section of thick bamboo are installed and are separated temperature ceramic pipe 7, through 8 surperficial cover buckles of a metal mesh section of thick bamboo and install separate temperature ceramic pipe 7, make whole tetrafluoro pipeline have a heat-insulating effect, avoid the inside condition of carrying liquid temperature of tetrafluoro pipeline to take place of ambient temperature influence, separate temperature ceramic pipe 7 simultaneously and still have good insulating effect, avoid leading to the electrified condition of whole pipeline to take place because of liquid is electrically conductive, improved whole tetrafluoro pipeline's security.

Preferably, the desiccant 10 is filled between the outer shell tube 1 and the inner shell tube 5, and when the inner shell tube 5 is broken to cause liquid leakage, the desiccant 10 can adsorb the liquid, so as to avoid the situation that the liquid possibly leaks out.

Preferably, the surface of the outer shell pipe 1 is wrapped with the tinfoil sleeve 11, and the tinfoil sleeve 11 wrapped on the surface of the outer shell pipe 1 plays a good role in flame retardance and heat insulation.

It should be noted that, when working, the anti-overflow steel lining tetrafluoro conveying pipe is inserted into the connecting flange 2 welded at the two ends of the outer shell pipe 1, the threaded end of the pipe is buckled into the connecting groove 3 arranged in the connecting flange 2, and the pipe is mutually extruded and propped against the expansion buckle 4 welded on the inner wall of the connecting groove 3, thereby improving the connection sealing performance of the whole tetrafluoro conveying pipe, avoiding the condition that the tetrafluoro conveying pipe is in liquid seepage at the joint, the polytetrafluoroethylene pipe 9 sleeved and buckled in the inner shell pipe 5 is beneficial to the reliable and excellent corrosion resistance, has excellent chemical stability, can resist all strong acid, strong base, strong oxidant and various organic solvents, and avoids the corrosion of the liquid agent gas pipeline when conveying various liquid agent gases, causing the damage of the pipeline and the occurrence of the condition of exposed liquid, the toughness of the polytetrafluoroethylene tube 9 is favorably enhanced through the metal mesh tube 8 embedded on the surface of the polytetrafluoroethylene tube 9, so that the situation that the polytetrafluoroethylene tube 9 is broken due to pulling and liquid leakage is avoided, the whole polytetrafluoroethylene conveying pipeline has a heat insulation effect through the heat insulation ceramic tube 7 installed on the surface of the metal mesh tube 8 in a sleeved and buckled mode, the situation that the external temperature influences the temperature of liquid conveying agents inside the polytetrafluoroethylene conveying pipeline is avoided, meanwhile, the heat insulation ceramic tube 7 also has a good insulation effect, the situation that the whole pipeline is electrified due to liquid conduction is avoided, the safety of the whole polytetrafluoroethylene conveying pipeline is improved, through the drying agent 10 filled between the outer shell tube 1 and the inner shell tube 5, liquid can be adsorbed through the drying agent 10 when the inner shell tube 5 is broken and liquid leakage is caused, the situation that the liquid leakage is possibly caused is avoided, and through the tin paper sleeve 11 wrapped on the surface of the outer shell tube 1, has good flame retardance and heat insulation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a steel lining tetrafluoro conveying pipeline of anti-overflow leaks, includes shell pipe (1), its characterized in that: linking flange (2) have all been welded at shell pipe (1) both ends, linking groove (3) have been seted up to linking flange (2) inside, it has inflation knot (4) to link up groove (3) inner wall welding, shell pipe (5) are installed to the inside eye-splice of shell pipe (1), damping spring (6) are installed to the buckle between shell pipe (5) and shell pipe (1), interior shell pipe (5) one end and link up and communicate each other between groove (3).

2. The leak-proof steel-lined tetrafluoro-conveying pipe as claimed in claim 1, wherein: and a polytetrafluoroethylene tube (9) is sleeved and buckled inside the inner shell tube (5).

3. The leak-proof steel-lined tetrafluoro-conveying pipe as claimed in claim 2, wherein: and a metal mesh cylinder (8) is embedded in the surface of the polytetrafluoroethylene tube (9).

4. The anti-overflow steel lined tetrafluoro delivery pipe of claim 3, wherein: and a heat-insulating ceramic tube (7) is sleeved and buckled on the surface of the metal mesh cylinder (8).

5. The leak-proof steel-lined tetrafluoro-conveying pipe as claimed in claim 1, wherein: and a drying agent (10) is filled between the outer shell pipe (1) and the inner shell pipe (5).

6. The leak-proof steel-lined tetrafluoro-conveying pipe as claimed in claim 1, wherein: the surface of the outer shell tube (1) is wrapped with a tin paper sleeve (11).