CN112161139A

CN112161139A - Steel lining polytetrafluoroethylene anti-corrosion pipeline

Info

Publication number: CN112161139A
Application number: CN202011044963.3A
Authority: CN
Inventors: 施正良; 王顶明
Original assignee: ZHENJIANG RUIHAO ENGINEERING PLASTIC CO LTD
Current assignee: ZHENJIANG RUIHAO ENGINEERING PLASTIC CO LTD
Priority date: 2020-09-29
Filing date: 2020-09-29
Publication date: 2021-01-01

Abstract

The invention discloses a steel lining polytetrafluoroethylene anti-corrosion pipeline, which comprises a pipe body; the heating mechanism is fixedly arranged in the pipe body and comprises a water inlet pipe, a return pipe, an annular cavity, a heating box, a first water pump, a heating rod, a liquid level sensor, a second water pump and a conveying pipe, an annular cavity is arranged inside the pipe body, a water inlet pipe is fixedly inserted at the top of one side of the annular cavity, the top of the water inlet pipe is fixedly provided with a heating box, a heating rod is fixedly arranged between the inner walls of the heating box, the top of one side wall of the heating box is fixedly inserted with a return pipe, one end of the return pipe far away from the heating box is fixedly inserted with one side of the bottom of the annular cavity, the invention effectively solves the problem that the existing steel lining polytetrafluoroethylene anticorrosion pipeline is not provided with heating equipment, when the transported fluid is easily crystallized or has a high viscosity, the fluid is easily retained in the pipe, and a problem of clogging is likely to occur.

Description

Steel lining polytetrafluoroethylene anti-corrosion pipeline

Technical Field

The invention relates to the technical field of anti-corrosion pipelines, in particular to a steel lining polytetrafluoroethylene anti-corrosion pipeline.

Background

The steel lining PTFE pipeline is practically used for many years, the quality of a PTFE lining product is guaranteed by high-quality materials and advanced manufacturing process methods, the use temperature of the steel lining PTFE anti-corrosion pipeline is high, the use temperature range can be between 60 ℃ below zero and 150 ℃ under the condition of a strong corrosion medium, and all chemical media except molten alkali metal, element fluorine and aromatic hydrocarbons can be satisfied in the temperature range.

However, there are some disadvantages in the conventional using process, such as:

1. the existing steel lining polytetrafluoroethylene anti-corrosion pipeline is not provided with heating equipment, and when conveyed fluid is easy to crystallize or has high viscosity, the fluid is easy to stay in the pipeline, so that the problem of blockage is easy to occur in the conveying process.

2. When the existing steel lining polytetrafluoroethylene anti-corrosion pipeline is impacted by the outside, the pipeline is easy to be punctured and needs to be protected, so that the maintenance cost is improved.

Disclosure of Invention

The invention aims to provide a steel-lined polytetrafluoroethylene anti-corrosion pipeline to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: comprises a tube body; the heating device comprises a heating mechanism, wherein the heating mechanism is fixedly arranged inside a pipe body, the heating mechanism comprises a water inlet pipe, a return pipe, an annular cavity, a heating box, a first water pump, a heating rod, a liquid level sensor, a second water pump and a conveying pipe, the annular cavity is formed inside the pipe body, the water inlet pipe is fixedly inserted into the top of one side of the annular cavity, the heating box is fixedly arranged at the top of the water inlet pipe, the heating rod is fixedly arranged between the inner walls of the heating boxes, the return pipe is fixedly inserted into the top of one side wall of the heating box, one end of the return pipe, far away from the heating box, is fixedly inserted into one side of the bottom of the annular cavity, the first water pump is fixedly arranged inside the return pipe, the first water pump is fixedly welded with the heating box through a support, the liquid level sensor is fixedly arranged on the inner wall of the heating, a second water pump is fixedly arranged in the conveying pipe and fixedly arranged with the side part of the heating box through a bracket; the anti-collision mechanism comprises limiting rings, mounting rods and rotating balls, the limiting rings are fixedly sleeved on two sides of the surface of the pipe body, the mounting rods are fixedly mounted between the limiting rings, and the surface of each mounting rod is rotatably sleeved with a plurality of rotating balls; and the control module is electrically connected with the second water pump, the liquid level sensor and the heating rod.

The limiting ring comprises a limiting ring and a mounting rod, wherein the circumferential surface of the limiting ring is provided with a plurality of U-shaped grooves, the bottom of each U-shaped groove is fixedly welded with the fixing rod, the surface of each fixing rod is sleeved with the inside of the mounting rod in a sliding mode, the top of each fixing rod is inserted with a limiting rod in a sliding mode, and one end of each limiting rod is inserted with a bolt in a bolt mode.

The surface of the fixed rod is movably sleeved with a first buffer plate between the mounting rod and the limiting ring, the surface of the fixed rod is movably sleeved with a second buffer plate at the top of the first buffer plate, and a first spring is fixedly welded between two ends of one side, adjacent to the first buffer plate, of the second buffer plate.

The surface of the rotating ball is connected with a plurality of rubber bags in an adhesive mode, a limiting column is fixedly welded between the top of the inner wall of each rubber bag and the bottom of the inner wall of each rubber bag, and a plurality of second springs are fixedly welded between the limiting columns and the rubber bags.

The second springs are distributed on the circumferential surface of the limiting column uniformly in an annular array at equal intervals, and are made of glass fiber reinforced plastic materials, so that the weight can be reduced.

The control module is electrically connected with a power supply module, and the power supply module adopts an external power supply or a storage battery to improve power for the whole device.

The pipe body is provided with a plurality of grooves in the circumferential surface, and an anticorrosive coating is coated on the inner part of each groove and the inner wall surface of the pipe body, so that the anticorrosive performance is further improved, the bonding area is increased, and the pipe body is prevented from falling off.

The flange plates are fixedly welded at the two ends of the pipe body, the heat-insulating sleeve is fixedly sleeved on the circumferential surface of the pipe body, the pipe body is convenient to install, and the pipe body can be insulated.

Wherein, the inside steel wire that is provided with of body, and the steel wire is spiral helicine structure, increases the intensity of body, improves its life.

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

1. when fluid needing to be conveyed is easy to crystallize or has high viscosity, the conveying pipe can be communicated with a water pipe of tap water, when the fluid needs to be heated, the second water pump is started, the second water pump pumps the tap water into the heating box and then flows into the annular cavity through the water inlet pipe, the liquid level sensor detects the water level inside the heating box, when the liquid level sensor detects that the water level inside the heating box is higher than the installation height of the heating rod, the liquid level sensor transmits a signal to the control module, the control module starts the heating rod, the heating rod heats the tap water inside the heating box, then the first water pump is started, the first water pump enables the tap water inside the annular cavity to flow back into the heating box through the return pipe to be heated, the tap water heated inside the heating box flows into the annular cavity again, and the water inside the annular cavity is in a continuous circulating heating state, thereby the inside fluid of carrying of body heats to the effectual inside problem of blockking up of body of having avoided, and when level sensor detected that the water level of heating cabinet inside is less than the height of the installation of heating rod, level sensor gives control module with the signal transmission, control module gives the second water pump with the signal transmission, make the second water pump open, make the running water pass through the inside of conveyer pipe entering heating cabinet, can effectually avoid causing a series of problems because the heating rod burns futilely.

2. When external force impacts the rotating ball from one side, the rotating ball can rotate around the rotating mounting rod, so that the direction of the external force impact can be led to one side, the pipe body can be prevented from being broken through by the external force, the pipe body is protected, the structure of the pipe body is prevented from being damaged, when the external force impacts the rotating ball, the rubber bag is arranged on the surface of the rotating ball, the external force has certain pressure on the rubber bag, the second spring can protect the rotating ball through the second spring, meanwhile, the external force can extrude the mounting rod through the rotating ball to a certain degree, so that the mounting rod can move to one side close to the pipe body, the mounting rod can extrude the second buffer plate, the second buffer plate can extrude the first spring to a certain degree, the mounting rod can be damped and protected, and the problem that the mounting rod is broken is effectively avoided, the cost of body maintenance has effectually been reduced.

3. The bolt is screwed out, the limiting rod is pulled out from the inside of the fixing rod, and the mounting rod can be pulled out from the surface of the fixing rod, so that the mounting rod at the designated position can be replaced, the problem that the whole anti-collision mechanism needs to be replaced when the local position rotating ball or the mounting rod is damaged is effectively avoided, and the maintenance cost is further reduced.

Drawings

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

FIG. 2 is a schematic view of the enlarged structure at A in FIG. 1 according to the present invention;

FIG. 3 is a cross-sectional view of a portion of the structure of the present invention;

FIG. 4 is a schematic view of the connection structure of the stop collar and the mounting rod of the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the connection structure of the rubber bladder and the rotary ball according to the present invention;

FIG. 7 is a schematic view of the inside structure of the rubber bladder of the present invention;

FIG. 8 is a schematic diagram of the system of the present invention.

In the figure: 1-a pipe body; 2-a flange; 3-an anti-collision mechanism; 31-a spacing ring; 32-mounting a rod; 33-a rolling ball; 34-a bolt; 35-a limiting rod; 36-a fixation rod; 37-a first spring; 38-a first buffer plate; 39-a second buffer plate; 310-a rubber bag; 311-limiting column; 312-a second spring; 313-U-shaped slot; 4-a heating mechanism; 41-a water inlet pipe; 42-a return pipe; 43-ring cavity; 44-a heating box; 45-a first water pump; 46-a heating rod; 47-a liquid level sensor; 48-a second water pump; 49-a delivery pipe; 5-heat preservation and insulation sleeve; 6-a control module; 7-a power supply module; 8-anticorrosive coating.

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.

The first embodiment is as follows:

referring to fig. 1-8, the present invention provides a technical solution: a steel lining polytetrafluoroethylene anticorrosion pipeline, a pipe body 1; the heating device comprises a heating mechanism 4, the heating mechanism 4 is fixedly installed inside the pipe body 1, the heating mechanism 4 comprises a water inlet pipe 41, a return pipe 42, an annular cavity 43, a heating box 44, a first water pump 45, a heating rod 46, a liquid level sensor 47, a second water pump 48 and a delivery pipe 49, the annular cavity 43 is formed inside the pipe body 1, the water inlet pipe 41 is fixedly inserted and connected to the top of one side of the annular cavity 43, the heating box 44 is fixedly installed on the top of the water inlet pipe 41, the heating rod 46 is fixedly installed between the inner walls of the heating box 44, the return pipe 42 is fixedly inserted and connected to the top of one side wall of the heating box 44, one end, far away from the heating box 44, of the return pipe 42 is fixedly inserted and connected to one side of the bottom of the annular cavity 43, the first water pump 45 is fixedly installed inside the return pipe 42, the first water pump 45 is fixedly welded to the heating box 44 through a, a delivery pipe 49 is fixedly inserted at the top of one side of the heating box 44, which is far away from the return pipe 42, a second water pump 48 is fixedly installed inside the delivery pipe 49, and the second water pump 48 is fixedly installed with the side part of the heating box 44 through a bracket; the anti-collision device comprises an anti-collision mechanism 3, wherein the anti-collision mechanism 3 comprises limiting rings 31, mounting rods 32 and rotating balls 33, the limiting rings 31 are fixedly sleeved on two sides of the surface of the pipe body 1, the mounting rods 32 are fixedly mounted between the limiting rings 31, and the rotating balls 33 are rotatably sleeved on the surface of the mounting rods 32; the control module 6, the control module 6 is electrically connected to the second water pump 48, the liquid level sensor 47 and the heating rod 46, when the fluid to be delivered is easy to crystallize or has a large viscosity, the delivery pipe 49 can be communicated with a water pipe of tap water, when heating is required, the second water pump 48 is started to enable the second water pump 48 to pump the tap water into the heating box 44, then the tap water flows into the annular cavity 43 through the water inlet pipe 41, the liquid level sensor 47 detects the water level inside the heating box 44, when the liquid level sensor 47 detects that the water level inside the heating box 44 is higher than the installation height of the heating rod 46, the liquid level sensor 47 transmits a signal to the control module 6, the control module 6 starts the heating rod 46 to enable the heating rod 46 to heat the tap water inside the heating box 44, then the first water pump 45 is started to enable the first water pump 45 to enable the tap water inside the annular cavity 43 to flow back into the heating box 44 through the return pipe 42 to, tap water heated in the heating box 44 flows into the annular cavity 43 through the water inlet pipe 41, so that the water in the annular cavity 43 is in a continuous circulation heating state, and the fluid conveyed in the pipe body 1 is heated, thereby effectively avoiding the problem of blockage in the pipe body 1, and when the liquid level sensor 47 detects that the water level in the heating box 44 is lower than the installation height of the heating rod 46, the liquid level sensor 47 transmits a signal to the control module 6, the control module 6 transmits the signal to the second water pump 48, so that the second water pump 48 is turned on, tap water enters the heating box 44 through the conveying pipe 49, thereby effectively avoiding a series of problems caused by dry burning of the heating rod 46, and simultaneously when external force impacts on the rotating ball 33 from one side, the rotating ball 33 can rotate around the rotating installation rod 32, and further guiding the impact direction of the external force to one side, and then can avoid external force to puncture body 1, play the effect of protection to body 1, prevent that the structure of body 1 from receiving the damage, reduce cost of maintenance.

Example two:

as a preferable scheme of the first embodiment, a plurality of U-shaped grooves 313 are formed on the circumferential surface of the limiting ring 31, a fixing rod 36 is fixedly welded at the bottom of the U-shaped groove 313, the surface of the fixing rod 36 is slidably sleeved with the inside of the mounting rod 32, a limiting rod 35 is slidably inserted into the top of the fixing rod 36, a bolt 34 is inserted into one end of the limiting rod 35, a first buffer plate 38 is movably sleeved between the mounting rod 32 and the limiting ring 31 and on the surface of the fixing rod 36, a second buffer plate 39 is movably sleeved on the top of the first buffer plate 38 and on the surface of the fixing rod 36, a first spring 37 is fixedly welded between two ends of the adjacent sides of the first buffer plate 38 and the second buffer plate 39, a plurality of rubber bladders 310 are bonded and connected to the surface of the rotating ball 33, a limiting column 311 is fixedly welded between the top of the inner wall and the bottom of the inner wall of the rubber bladder 310, a plurality of second springs 312 are fixedly welded between the limiting column 311 and the rubber bag 310, when an external force impacts the rotating ball 33, the rubber bag 310 is arranged on the surface of the rotating ball 33, the external force has a certain pressure on the rubber bag 310, through the second springs 312, the second springs 312 can have a certain protection effect on the rotating ball 33, meanwhile, the external force can also cause a certain extrusion on the installation rod 32 through the rotating ball 33, and further, the installation rod 32 can move to one side close to the pipe body 1, so that the installation rod 32 extrudes the second buffer plate 39, the second buffer plate 39 can cause a certain extrusion on the first spring 37 through the first buffer plate 38, so that the installation rod 32 can be subjected to the effects of shock absorption and protection, the problem that the installation rod 32 is broken is effectively avoided, the maintenance cost of the pipe body 1 is effectively reduced, when the installation rod 32 or the rotating ball 33 is damaged, the bolt 34 is screwed out, the limiting rod 35 is pulled out from the inside of the fixing rod 36, and the mounting rod 32 can be pulled out from the surface of the fixing rod 36, so that the mounting rod 32 at the designated position can be replaced, the problem that the whole anti-collision mechanism 3 needs to be replaced when the local rotating ball 33 or the mounting rod 32 is damaged is effectively solved, and the replacement and maintenance cost is further reduced.

The working principle is as follows: when the heating water tank is used, when fluid to be conveyed is easy to crystallize or has high viscosity, the conveying pipe 49 can be communicated with a water pipe of tap water, when heating is required, the second water pump 48 is started, so that the second water pump 48 pumps the tap water into the heating tank 44 and then flows into the annular cavity 43 through the water inlet pipe 41, the liquid level sensor 47 detects the water level inside the heating tank 44, when the liquid level sensor 47 detects that the water level inside the heating tank 44 is higher than the installation height of the heating rod 46, the liquid level sensor 47 transmits a signal to the control module 6, the control module 6 starts the heating rod 46, so that the heating rod 46 heats the tap water inside the heating tank 44, then the first water pump 45 is started, so that the first water pump 45 flows the tap water inside the annular cavity 43 back into the heating tank 44 through the return pipe 42 to heat the tap water, and the tap water heated inside the heating tank 44 flows into the annular cavity 43 through the water inlet pipe, the water in the annular cavity 43 is in a continuous circulation heating state, so as to heat the fluid conveyed inside the pipe body 1, thereby effectively avoiding the problem of blocking inside the pipe body 1, and when the liquid level sensor 47 detects that the water level inside the heating pipe 44 is lower than the installation height of the heating rod 46, the liquid level sensor 47 transmits a signal to the control module 6, the control module 6 transmits a signal to the second water pump 48, so that the second water pump 48 is turned on, so that tap water enters the heating box 44 through the conveying pipe 49, a series of problems caused by dry burning of the heating rod 46 can be effectively avoided, meanwhile, when an external force impacts on the rotating ball 33 from one side, the rotating ball 33 can rotate around the rotating installation rod 32, thereby guiding the direction of the impact of the external force to one side, further avoiding the external force from breaking down the pipe body 1, and playing a role in protecting the pipe body 1, the structure of the pipe body 1 is prevented from being damaged, the maintenance cost is reduced, the rubber bag 310 is arranged on the surface of the rotating ball 33, external force has certain pressure on the rubber bag 310, the second spring 312 can have certain protection effect on the rotating ball 33 through the second spring 312, meanwhile, the external force can also cause certain extrusion on the installation rod 32 through the rotating ball 33, and further, the installation rod 32 can move to one side close to the pipe body 1, so that the installation rod 32 extrudes the second buffer plate 39, the second buffer plate 39 can cause certain extrusion on the first spring 37 through the first buffer plate 38, so that the effects of shock absorption and protection can be achieved on the installation rod 32, the problem that the installation rod 32 is broken due to collision is effectively avoided, the maintenance cost of the pipe body 1 is effectively reduced, when the installation rod 32 or the rotating ball 33 is damaged, the bolt 34 is screwed out, the limiting rod 35 is pulled out from the inside of the fixed rod 36, the mounting rod 32 can be drawn out from the surface of the fixing rod 36, so that the mounting rod 32 at a specified position can be replaced, the problem that the whole anti-collision mechanism 3 needs to be replaced when the rotating ball 33 at a local part or the mounting rod 32 is damaged is effectively solved, and the replacement and maintenance cost is further reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. A steel-lined polytetrafluoroethylene corrosion-resistant pipeline is characterized by comprising:

a pipe body (1);

the heating device comprises a heating mechanism (4), the heating mechanism (4) is fixedly mounted inside the pipe body (1), the heating mechanism (4) comprises a water inlet pipe (41), a return pipe (42), an annular cavity (43), a heating box (44), a first water pump (45), heating rods (46), a liquid level sensor (47), a second water pump (48) and a conveying pipe (49), the annular cavity (43) is formed inside the pipe body (1), the water inlet pipe (41) is fixedly inserted and connected to the top of one side of the annular cavity (43), the heating box (44) is fixedly mounted at the top of the water inlet pipe (41), the heating rods (46) are fixedly mounted between the inner walls of the heating box (44), the return pipe (42) is fixedly inserted and connected to the top of one side wall of the heating box (44), one end, far away from the heating box (44), of the return pipe (42) is fixedly inserted and connected, a first water pump (45) is fixedly installed inside the return pipe (42), the first water pump (45) is fixedly welded with the heating box (44) through a support, a liquid level sensor (47) is fixedly installed on the inner wall of the heating box (44) and positioned at the top of the heating rod (46), a delivery pipe (49) is fixedly inserted and connected to the top of one side, away from the return pipe (42), of the heating box (44), a second water pump (48) is fixedly installed inside the delivery pipe (49), and the second water pump (48) is fixedly installed on the side portion of the heating box (44) through the support;

the anti-collision device comprises an anti-collision mechanism (3), wherein the anti-collision mechanism (3) comprises limiting rings (31), mounting rods (32) and rotating balls (33), the limiting rings (31) are fixedly sleeved on two sides of the surface of the pipe body (1), the mounting rods (32) are fixedly mounted between the limiting rings (31), and the surface of each mounting rod (32) is rotatably sleeved with a plurality of rotating balls (33);

the control module (6), control module (6) and second water pump (48), level sensor (47) and heating rod (46) all electric connection.

2. The steel-lined polytetrafluoroethylene corrosion-resistant pipeline according to claim 1, wherein: the limiting device is characterized in that a plurality of U-shaped grooves (313) are formed in the circumferential surface of the limiting ring (31), fixing rods (36) are fixedly welded at the bottoms of the U-shaped grooves (313), the surfaces of the fixing rods (36) are slidably sleeved with the inner portion of the mounting rod (32), limiting rods (35) are slidably inserted into the tops of the fixing rods (36), and bolts (34) are inserted into one ends of the limiting rods (35).

3. The steel-lined polytetrafluoroethylene corrosion-resistant pipeline according to claim 2, wherein: the surface of dead lever (36) is located between installation pole (32) and spacing ring (31) the activity and has cup jointed first buffer board (38), the surface of dead lever (36) is located the top activity of first buffer board (38) and has cup jointed second buffer board (39), all fixed welding has first spring (37) between the both ends of first buffer board (38) and the adjacent one side of second buffer board (39).

4. The steel-lined polytetrafluoroethylene corrosion-resistant pipeline according to claim 1, wherein: the surface bonding of rolling ball (33) is connected with a plurality of rubber bags (310), fixed welding has spacing post (311) between the inner wall top of rubber bag (310) and the inner wall bottom, spacing post (311) and rubber bag (310) between fixed welding have a plurality of second spring (312).

5. The steel-lined polytetrafluoroethylene corrosion-resistant pipeline according to claim 4, wherein: the second springs (312) are uniformly distributed on the circumferential surface of the limiting column (311) in an annular array at equal intervals, and the second springs (312) are made of glass fiber reinforced plastic materials.

6. The steel-lined polytetrafluoroethylene corrosion-resistant pipeline according to claim 1, wherein: the control module (6) is electrically connected with a power supply module (7), and the power supply module (7) adopts an external power supply or a storage battery.

7. The steel-lined polytetrafluoroethylene corrosion-resistant pipeline according to claim 1, wherein: a plurality of grooves are formed in the circumferential surface of the pipe body (1), and anti-corrosion layers (8) are coated inside the grooves and on the surface of the inner wall of the pipe body.

8. The steel-lined polytetrafluoroethylene corrosion-resistant pipeline according to claim 1, wherein: the flange plates (2) are fixedly welded at two ends of the pipe body (1), and the heat-insulating sleeve (5) is fixedly sleeved on the circumferential surface of the pipe body (1).

9. The steel-lined polytetrafluoroethylene corrosion-resistant pipeline according to claim 1, wherein: the steel wire is arranged inside the pipe body (1) and is of a spiral structure.