CN215656874U

CN215656874U - Core tube heating device for crude oil gathering and transportation pipeline

Info

Publication number: CN215656874U
Application number: CN202122296823.1U
Authority: CN
Inventors: 李大昌; 杨梅; 刘波; 陈实; 尚增辉; 崔慧山
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-28
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a core pipe heating device for a crude oil gathering and transportation pipeline, which comprises a core pipe heating device body arranged on the gathering and transportation pipeline, wherein a heat insulation sleeve is bonded and sleeved on the outer side of the gathering and transportation pipeline, the core pipe heating device body comprises a heat conduction core pipe fixedly arranged on the inner wall of the top of the gathering and transportation pipeline, a fixing plate fixedly arranged on the top of the heat insulation sleeve is arranged above the gathering and transportation pipeline, a temperature sensor is fixedly connected to the right side of the top of the fixing plate, and a detection end of the temperature sensor extends into the gathering and transportation pipeline. According to the utility model, the water is heated to flow in the heat conduction core pipe in a circulating manner, so that the crude oil can be automatically heated in the heat conduction core pipe when the temperature of the crude oil is low, the heat transfer barrier between the crude oil and the water can be reduced by matching the internal heating with the external heat insulation sleeve, the heating efficiency is improved, the water can be automatically supplemented in time when the water in the water tank is short of water, the water supplement is not required to be checked by personnel at regular time, the time and the labor are saved, and the use requirement is met.

Description

Core tube heating device for crude oil gathering and transportation pipeline

Technical Field

The utility model relates to the technical field of heating equipment, in particular to a core pipe heating device for a crude oil gathering and transportation pipeline.

Background

The crude oil gathering and transportation pipeline has the task of conveying oil well output liquid to a combination station, and most of crude oil produced in China is easily coagulated and highly viscous crude oil which has very poor flow property at normal temperature, so that coagulation pipe blockage is easily caused during normal-temperature conveying, and great risk is brought to safe operation of the gathering and transportation pipeline; the traditional crude oil gathering and transportation process comprises a water jacket furnace heating oil collection process, a heat source heat tracing heat preservation oil collection process, a liquid mixing oil collection process and the like, and the flowing effect of the crude oil can be improved by heating.

The existing heating mode, such as the mode of arranging the heating water jackets at intervals outside the gathering and transportation pipeline, has low heating efficiency in the external heating mode, and also causes inconvenience in arranging the heat insulation sleeves outside the gathering and transportation pipeline; and for avoiding the steam inflation after the hydrothermal causes the hot water cover to damage, can set up automatic relief valve on the hot water cover more, but this inevitably can cause the water evaporation to run off, consequently needs personnel regularly to inspect the moisturizing, and it is not convenient for automatic timely moisturizing when the lack of water, wastes time and energy, can not satisfy the user demand, for this reason we have proposed a core heating device for crude oil gathering pipeline for solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a core tube heating device for a crude oil gathering and transportation pipeline.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a core tube heating device for a crude oil gathering and transportation pipeline comprises a core tube heating device body arranged on the gathering and transportation pipeline, wherein a heat insulation sleeve is bonded and sleeved on the outer side of the gathering and transportation pipeline, the core tube heating device body comprises a heat conduction core tube fixedly arranged on the inner wall of the top of the gathering and transportation pipeline, a fixing plate fixedly arranged on the top of the heat insulation sleeve is arranged above the gathering and transportation pipeline, a temperature sensor is fixedly connected to the right side of the top of the fixing plate, the detection end of the temperature sensor extends into the gathering and transportation pipeline, a water tank is fixedly arranged on the top of the fixing plate, a water pump is fixedly arranged on the left side of the water tank, a water inlet of the water pump extends into the water tank, a water outlet of the water pump is communicated with and fixed with an L-shaped tube, the bottom end of the L-shaped tube extends into the gathering and transportation pipeline and is communicated and fixed with the left end of the heat conduction core tube, an L-shaped water return tube is communicated and fixed with the right end of the gathering and transportation pipeline, the top fixed mounting of water tank has electric heater and controller, and in electric heater's bottom extended to the water tank, electric heater, water pump, temperature sensor all with controller electric connection, the top left side intercommunication of water tank was fixed with automatic relief valve, be provided with the automatic water supply mechanism of lack of water on the water tank.

Preferably, the water shortage automatic water replenishing mechanism comprises a water inlet pipe which is communicated and fixed at the top of the right side of the water tank, the right end of the water inlet pipe is communicated and fixed with an electromagnetic valve, a floating plate is arranged in the water tank, the top of the floating plate is fixedly connected with an L-shaped rod, the top of the L-shaped rod extends to the upper part of the water tank, the top of the water tank is fixedly connected with an L-shaped supporting rod, and the inner wall of the top of the L-shaped supporting rod is fixedly connected with a guide rod, the L-shaped rod is sleeved on the guide rod in a sliding manner, the top of the water tank is embedded with a waterproof light-touch opening switch which is positioned at the inner side of the L-shaped rod and matched with the inner wall of the top of the L-shaped rod, the inner wall of the top of the water tank is embedded with a waterproof light-touch closing switch, and the waterproof soft touch type closing switch is positioned above the floating plate and matched with the floating plate, and the waterproof soft touch type closing switch and the waterproof soft touch type opening switch are both electrically connected with the electromagnetic valve.

Preferably, a plurality of connecting rods are fixedly connected to the inner wall of the top of the gathering and transportation pipeline, the bottom ends of the connecting rods are fixedly connected with the top of the heat conduction core pipe, and the heat conduction core pipe is a copper pipeline.

Preferably, the inner wall of the top of the water tank is provided with a mounting hole and a first round hole, the inner wall of the first round hole is fixedly connected with the outer side of the automatic pressure release valve, and the inner wall of the mounting hole is fixedly connected with the outer side of the electric heater.

Preferably, a second round hole fixedly connected with the outer side of the L-shaped water return pipe is formed in the inner wall of the right side of the water tank.

Preferably, a rectangular hole which is connected with the outer side of the L-shaped rod in a sliding mode is formed in the inner wall of the top of the water tank.

Preferably, the top of the L-shaped rod is provided with a guide hole in sliding connection with the outer side of the guide rod.

Preferably, the inner wall of the top of the water tank is provided with an embedded hole, and the inner wall of the embedded hole is fixedly connected with the outer side of the waterproof soft-touch type closing switch.

Compared with the prior art, the utility model has the beneficial effects that:

through the gathering and transportation pipeline, the heat insulation sleeve, the heat conducting core pipe, the fixing plate, the water tank, the water pump, the L-shaped pipe, the L-shaped water return pipe, the electric heater, the automatic pressure release valve, the controller, the temperature sensor, the electromagnetic valve, the floating plate, the L-shaped rod, the L-shaped supporting rod, the guide rod, the waterproof light-touch opening switch and the waterproof light-touch closing switch are matched with the water inlet pipe, the temperature sensor detects the temperature of crude oil flowing in the gathering and transportation pipeline and transmits the temperature to the controller, when the temperature is lower than a preset temperature, the controller controls the water pump and the electric heater to be opened, the electric heater heats water in the water tank to gradually form hot water, the water pump pumps hot water in the water tank and discharges the hot water into the heat conducting core pipe through the L-shaped pipe and then returns to the water tank through the L-shaped water return pipe, hot water circulation flow can be formed, the hot water heats the flowing crude oil through the heat conducting core pipe when flowing in the heat conducting core pipe, when the crude oil temperature is heated to the preset temperature, the controller controls the water pump and the electric heater to be turned off, the heat insulation sleeve can reduce the phenomenon that the crude oil temperature is lost outwards through the gathering and transportation pipeline, the heating efficiency can be improved through an internal heating mode, and the crude oil can be automatically heated internally when the crude oil temperature is low;

the left end of the electromagnetic valve is connected with an external tap water pipeline, steam is generated in the water tank due to heating of water, the pressure is increased, the steam pressure exceeds the pressure relief value of the automatic pressure relief valve and is discharged outwards by the automatic pressure relief valve, water in the water tank is gradually reduced along with the heating pressure relief work, the buoyancy supporting position of water on the floating plate is reduced, at the moment, under the action of self gravity, the L-shaped rod moves downwards and drives the floating plate to move downwards along with the water level, when the inner wall of the top of the L-shaped rod moves downwards to be in squeezing contact with the touch end of the waterproof light touch type opening switch, the L-shaped rod is triggered to control the electromagnetic valve to be opened, at the moment, the water in the external tap water pipeline enters the water tank through the electromagnetic valve and the water inlet pipe, automatic water supplement is realized, as the water level in the water tank increases, the water floats upwards to the floating plate, the floating plate drives the L-shaped rod to slide upwards on the guide rod, and when the floating plate moves upwards to be in squeezing contact with the touch end of the touch type closing switch, the water tank can be triggered to close the control electromagnetic valve, water supplementing work is stopped, water can be automatically supplemented in time when the water tank is short of water, and water supplementing can be automatically stopped after water supplementing is finished.

According to the utility model, the water is heated to flow in the heat conduction core pipe in a circulating manner, so that the crude oil can be automatically heated in the heat conduction core pipe when the temperature of the crude oil is low, the heat transfer barrier between the crude oil and the water can be reduced by matching the internal heating with the external heat insulation sleeve, the heating efficiency is improved, the water can be automatically supplemented in time when the water in the water tank is short of water, the water supplement is not required to be checked by personnel at regular time, the time and the labor are saved, and the use requirement is met.

Drawings

Fig. 1 is a schematic cross-sectional view of a core tube heating apparatus for a crude oil gathering and transportation pipeline according to the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 100 gathering and transporting pipelines, 101 heat preservation sleeves, 1 heat conduction core pipe, 2 fixing plates, 3 water tanks, 4 water pumps, 5L-shaped pipes, 6L-shaped water return pipes, 7 electric heaters, 8 automatic pressure relief valves, 9 controllers, 10 temperature sensors, 11 electromagnetic valves, 12 floating plates, 13L-shaped rods, 14L-shaped supporting rods, 15 guide rods, 16 waterproof light-touch opening switches, 17 waterproof light-touch closing switches and 18 water inlet pipes.

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.

Referring to fig. 1-2, a core tube heating device for crude oil gathering and transportation pipeline comprises a core tube heating device body arranged on the gathering and transportation pipeline 100, a heat insulation sleeve 101 is bonded and sleeved on the outer side of the gathering and transportation pipeline 100, the core tube heating device body comprises a heat conduction core tube 1 fixedly arranged on the inner wall of the top of the gathering and transportation pipeline 100, a fixing plate 2 fixedly arranged on the top of the heat insulation sleeve 101 is arranged above the gathering and transportation pipeline 100, a temperature sensor 10 is fixedly connected to the right side of the top of the fixing plate 2, a detection end of the temperature sensor 10 extends into the gathering and transportation pipeline 100, a water tank 3 is fixedly arranged on the top of the fixing plate 2, a water pump 4 is fixedly arranged on the left side of the water tank 3, a water inlet of the water pump 4 extends into the water tank 3, a water outlet of the water pump 4 is communicated and fixed with an L-shaped tube 5, the bottom end of the L-shaped tube 5 extends into the gathering and transportation pipeline 100 and is communicated and fixed with the left end of the heat conduction core tube 1, the bottom of the right side of the water tank 3 is communicated and fixed with an L-shaped water return pipe 6, the bottom end of the L-shaped water return pipe 6 extends into the gathering and conveying pipeline 100 and is communicated and fixed with the right end of the heat conducting core pipe 1, the top of the water tank 3 is fixedly provided with an electric heater 7 and a controller 9, the bottom of the electric heater 7 extends into the water tank 3, the electric heater 7, a water pump 4 and a temperature sensor 10 are all electrically connected with the controller 9, the left side of the top of the water tank 3 is communicated and fixed with an automatic pressure relief valve 8, and the water tank 3 is provided with an automatic water shortage supplementing mechanism;

the water-deficient automatic water replenishing mechanism comprises a water inlet pipe 18 which is communicated and fixed at the top of the right side of a water tank 3, the right end of the water inlet pipe 18 is communicated and fixed with an electromagnetic valve 11, a floating plate 12 is arranged in the water tank 3, the top of the floating plate 12 is fixedly connected with an L-shaped rod 13, the top of the L-shaped rod 13 extends to the upper part of the water tank 3, the top of the water tank 3 is fixedly connected with an L-shaped supporting rod 14, the inner wall of the top of the L-shaped supporting rod 14 is fixedly connected with a guide rod 15, the L-shaped rod 13 is sleeved on the guide rod 15 in a sliding manner, a waterproof light-touch opening switch 16 is embedded at the top of the water tank 3, the waterproof light-touch opening switch 16 is positioned at the inner side of the L-shaped rod 13 and matched with the inner wall of the top of the L-shaped rod 13, a waterproof light-touch closing switch 17 is embedded on the inner wall of the top of the water tank 3, the waterproof light-touch closing switch 17 is positioned above the floating plate 12 and matched with the floating plate 12, both the waterproof light-touch closing switch 17 and the waterproof light-touch opening switch 16 are electrically connected with the electromagnetic valve 11, according to the utility model, the water is heated to flow in the heat conduction core pipe 1 in a circulating manner, so that the crude oil can be automatically heated in the heat conduction core pipe when the temperature of the crude oil is low, the heat transfer barrier between the crude oil and the water can be reduced by matching the internal heating with the external heat insulation sleeve 101, the heating efficiency is improved, the water can be automatically supplemented in time when the water in the water tank 3 is short of water, the water supplement is not required to be checked by personnel at regular time, the time and the labor are saved, and the use requirements are met.

In the utility model, a plurality of connecting rods are fixedly connected on the inner wall of the top part of a gathering pipeline 100, the bottom ends of the connecting rods are fixedly connected with the top part of a heat-conducting core pipe 1, the heat-conducting core pipe 1 is a copper pipeline, the inner wall of the top part of a water tank 3 is provided with a mounting hole and a first round hole, the inner wall of the first round hole is fixedly connected with the outer side of an automatic pressure relief valve 8, the inner wall of the mounting hole is fixedly connected with the outer side of an electric heater 7, the inner wall of the right side of the water tank 3 is provided with a second round hole fixedly connected with the outer side of an L-shaped return pipe 6, the inner wall of the top part of the water tank 3 is provided with a rectangular hole in sliding connection with the outer side of an L-shaped rod 13, the top part of the L-shaped rod 13 is provided with a guide hole in sliding connection with the outer side of a guide rod 15, the inner wall of the top part of the water tank 3 is provided with an embedded hole, and the inner wall of the embedded hole is fixedly connected with the outer side of a waterproof light touch type closing switch 17, the utility model adopts a mode of heating water to enable the water to circularly flow in the heat-conducting core pipe 1, be convenient for when crude oil temperature is low automatically to crude oil heating in inside, through the outside mode that sets up insulation cover 101 of internal heating cooperation, can reduce and crude oil between the heat transfer separation, improve heating efficiency, and be convenient for automatic timely moisturizing when water shortage in water tank 3, need not personnel and regularly check the moisturizing, labour saving and time saving satisfies the user demand.

The working principle is as follows: when the device is used, a plurality of core pipe heating device bodies can be arranged on the gathering and transportation pipeline 100 at intervals, the temperature is stopped by heating through the preset value of the controller 9, the temperature sensor 10 detects the temperature of crude oil flowing in the gathering and transportation pipeline 100 and transmits the detected temperature to the controller 9, when the temperature is lower than the preset temperature, the controller 9 controls the water pump 4 and the electric heater 7 to be started, the electric heater 7 heats water in the water tank 3 to gradually form hot water, the water pump 4 pumps the hot water in the water tank 3, the hot water is discharged into the heat conduction core pipe 1 through the L-shaped pipe 5 and then flows back into the water tank 3 through the L-shaped water return pipe 6, the hot water is continuously heated by the electric heater 7 and is continuously pumped by the water pump 4, hot water circulation flow can be formed, the hot water can heat the heat conduction core pipe 1 when flowing in the heat conduction core pipe 1, the flowing crude oil is heated by the heat conduction core pipe 1, when the temperature of the crude oil is heated to the preset temperature, the controller 9 controls the water pump 4 and the electric heater 7 to be closed, the heat insulation sleeve 101 can reduce the phenomenon that the temperature of the crude oil is lost outwards through the gathering and transportation pipeline 100, the heat insulation and heating effect is improved, the crude oil can be automatically heated in the heat insulation sleeve when the temperature of the crude oil is low, the crude oil can be always in a set temperature range, and the heat transfer blockage between the crude oil and the crude oil can be reduced through an internal heating mode, so that the heating efficiency is improved;

the left end of the electromagnetic valve 11 is connected with an external tap water pipeline, steam is generated in the water tank 3 due to heating of water, the pressure is increased, the steam pressure is discharged outwards by the automatic pressure release valve 8 when exceeding the pressure release value of the automatic pressure release valve 8, so that the phenomenon that the water tank 3 is damaged due to overhigh pressure is avoided, along with the heating and pressure release work, the water in the water tank 3 is gradually reduced, the buoyancy supporting position of the floating plate 12 is reduced when the water is reduced and the water level is reduced, at the moment, under the action of self gravity, the L-shaped rod 13 moves downwards and drives the floating plate 12 to move downwards along with the water level, when the inner wall of the top of the L-shaped rod 13 moves downwards to be in squeezing contact with the touch end of the waterproof light touch type opening switch 16, at the moment, the waterproof light touch type opening switch 16 is touched and controls the electromagnetic valve 11 to be opened, at the moment, the water in the external tap water pipeline enters the water tank 3 through the electromagnetic valve 11 and the water inlet pipe 18, realize automatic water supply, increase along with the water level in the water tank 3, water upwards floats to floating plate 12, floating plate 12 drives L shape pole 13 upwards and slides on guide bar 15, upwards move to when touching with waterproof light touch close switch 17 touches with the end extrusion, waterproof light touch close switch 17 is touched and control solenoid valve 11 is closed, stop the moisturizing work, automatic timely moisturizing when being convenient for lack of water in water tank 3, and can accomplish the back automatic shutdown moisturizing at the moisturizing, need not personnel and regularly inspect the moisturizing, time saving and labor saving.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A core tube heating device for a crude oil gathering and transportation pipeline comprises a core tube heating device body arranged on the gathering and transportation pipeline (100), wherein a heat insulation sleeve (101) is bonded and sleeved on the outer side of the gathering and transportation pipeline (100), the core tube heating device body is characterized by comprising a heat conduction core tube (1) fixedly arranged on the inner wall of the top of the gathering and transportation pipeline (100), a fixing plate (2) fixedly arranged on the top of the heat insulation sleeve (101) is arranged above the gathering and transportation pipeline (100), a temperature sensor (10) is fixedly connected to the right side of the top of the fixing plate (2), a detection end of the temperature sensor (10) extends into the gathering and transportation pipeline (100), a water tank (3) is fixedly arranged at the top of the fixing plate (2), a water pump (4) is fixedly arranged on the left side of the water tank (3), a water inlet of the water pump (4) extends into the water tank (3), a water outlet of the water pump (4) is communicated with and is fixedly provided with an L-shaped tube (5), the bottom of L venturi tube (5) extends to in gathering pipeline (100) and fixed with the left end intercommunication of heat conduction core pipe (1), the right side bottom intercommunication of water tank (3) is fixed with L shape wet return (6), and the bottom of L shape wet return (6) extends to in gathering pipeline (100) and fixed with the right-hand member intercommunication of heat conduction core pipe (1), the top fixed mounting of water tank (3) has electric heater (7) and controller (9), the bottom of electric heater (7) extends to in water tank (3), electric heater (7), water pump (4), temperature sensor (10) all with controller (9) electric connection, the top left side intercommunication of water tank (3) is fixed with automatic relief valve (8), be provided with the automatic water supply mechanism of lack of water on water tank (3).

2. The core tube heating device for the crude oil gathering and transporting pipeline as claimed in claim 1, wherein the water shortage automatic water supply mechanism comprises a water inlet tube (18) communicated and fixed at the top of the right side of the water tank (3), the right end of the water inlet tube (18) is communicated and fixed with a solenoid valve (11), a floating plate (12) is arranged in the water tank (3), an L-shaped rod (13) is fixedly connected to the top of the floating plate (12), the top of the L-shaped rod (13) extends to the upper side of the water tank (3), an L-shaped support rod (14) is fixedly connected to the top of the water tank (3), a guide rod (15) is fixedly connected to the inner wall of the top of the L-shaped support rod (14), the L-shaped rod (13) is slidably sleeved on the guide rod (15), a waterproof light-touch opening switch (16) is embedded at the top of the water tank (3), and the waterproof light-touch opening switch (16) is located inside the L-shaped rod (13) and matched with the inner wall of the top of the L-shaped rod (13), and a waterproof soft-touch closing switch (17) is embedded on the inner wall of the top of the water tank (3), the waterproof soft-touch closing switch (17) is positioned above the floating plate (12) and matched with the floating plate (12), and the waterproof soft-touch closing switch (17) and the waterproof soft-touch opening switch (16) are both electrically connected with the electromagnetic valve (11).

3. The core tube heating device for the crude oil gathering and transportation pipeline according to claim 1, wherein a plurality of connecting rods are fixedly connected to the inner wall of the top of the gathering and transportation pipeline (100), the bottom ends of the connecting rods are fixedly connected to the top of the heat conducting core tube (1), and the heat conducting core tube (1) is a copper pipeline.

4. The core tube heating device for the crude oil gathering and transportation pipeline as claimed in claim 1, wherein the inner wall of the top of the water tank (3) is provided with a mounting hole and a first round hole, the inner wall of the first round hole is fixedly connected with the outer side of the automatic pressure release valve (8), and the inner wall of the mounting hole is fixedly connected with the outer side of the electric heater (7).

5. The core tube heating device for the crude oil gathering and transportation pipeline as claimed in claim 1, wherein the right inner wall of the water tank (3) is provided with a second round hole fixedly connected with the outer side of the L-shaped water return pipe (6).

6. The core tube heating device for the crude oil gathering and transportation pipeline as claimed in claim 2, characterized in that the top inner wall of the water tank (3) is provided with a rectangular hole which is connected with the outer side of the L-shaped rod (13) in a sliding way.

7. The core tube heating device for crude oil gathering and transportation pipeline according to claim 2, characterized in that the top of the L-shaped rod (13) is provided with a guide hole which is connected with the outer side of the guide rod (15) in a sliding way.

8. The core tube heating device for the crude oil gathering and transportation pipeline as claimed in claim 2, wherein the water tank (3) is provided with an embedded hole on the top inner wall, and the inner wall of the embedded hole is fixedly connected with the outer side of the waterproof soft touch type closing switch (17).