CN204285800U - A kind of crude oil heater - Google Patents

Abstract

A crude oil heating furnace, comprising a furnace body, a heat exchange device, a combustion device and a gas preheating device are arranged in the furnace body, the combustion device is composed of a combustion chamber and a smoke box, one end of the combustion chamber is a furnace mouth, and the other end is a At the exit, a plurality of smoke pipes are arranged in the combustion chamber, and the plurality of smoke pipes are connected with the smoke box located on the outlet. Each of the smoke pipes is provided with a turbulence device inside, and the turbulence device includes a sheet-shaped structure body. A plurality of slots are formed to form a plurality of fins, and the plurality of fins are inclined to both sides and arranged in a staggered manner according to the direction of inclination. The crude oil heating furnace described in the utility model can greatly increase the heat release coefficient, improve the utilization rate of the crude oil heating furnace, and increase the heating efficiency by providing a turbulence device inside the smoke pipe.

Description

A crude oil heating furnace

technical field

The utility model relates to a crude oil heating furnace, in particular to a crude oil heating furnace with a built-in turbulence device, and belongs to the technical field of crude oil heating equipment.

Background technique

The heating furnace is a kind of equipment used to heat crude oil in oil field production, but when the existing heating furnace is operated under normal pressure or positive pressure, impurities will be brought into the furnace with water to cause scaling, overburning, bulging, etc. Phenomenon, so it needs to be descaled frequently, reducing work efficiency.

The prior art such as CN 201983429 U discloses a hot water heating furnace, which discloses a heat exchange device and a combustion device. The outlet end of the combustion chamber in the combustion device is connected to the smoke box through a plurality of smoke pipes, and the flue gas directly enters through the smoke pipes. The smoke box has a low heat release coefficient and is not fully utilized.

Therefore, it is a technical problem to be solved by this utility model to design a kind of turbulence device which is widely applicable and can be put into different smoke pipes to turbulence and increase the heat release coefficient.

Contents of the invention

The utility model provides a crude oil heating furnace with a built-in turbulence device to solve the problem of low heat release coefficient, and the involved turbulence device can be put into different smoke pipes for turbulence.

The technical scheme of the utility model is:

A crude oil heating furnace, comprising a furnace body, a heat exchange device, a combustion device and a gas preheating device are arranged in the furnace body, the combustion device is composed of a combustion chamber and a smoke box, one end of the combustion chamber is a furnace mouth, and the other end is a At the exit, a plurality of smoke pipes are arranged in the combustion chamber, and the plurality of smoke pipes are connected with the smoke box located on the outlet, and each of the smoke pipes is provided with a turbulence device inside, and the flow turbulence device includes a sheet-shaped structure body. A plurality of slots are formed to form a plurality of fins, and the plurality of fins are inclined to both sides and arranged in a staggered manner according to the direction of inclination.

The gas preheating device is composed of a preheating pipe, the preheating pipe is arranged in the combustion chamber, the nozzle of the preheating pipe is placed outside the furnace body, and the outside of the pipe wall of the preheating pipe is wound by steel wire.

The fins are arranged linearly.

The inclination angle of the fins increases as the fins extend.

The outer edges of the fins are arc-shaped.

The slot is square.

The maximum inclination angle of the fins is 60-70 degrees.

The top of the turbulence device is provided with a fixing device for fixing at the mouth of the smoke pipe, and the fixing device is integrally formed with the body.

The fixing device is a cross bar parallel to the port of the body and extending to both ends.

In the crude oil heating furnace described in the utility model, the heat release coefficient is increased through the built-in turbulence device, and at the same time, the steel wire is wound on the preheating pipe to increase the heating area, increase the heat transfer rate, and shorten the heating time.

Description of drawings

Fig. 1 is a front structural diagram of the utility model;

Fig. 2 is a top view structure diagram of Fig. 1;

Fig. 3 is a side view structure diagram of Fig. 1;

Fig. 4 is a schematic diagram of a turbulence device arranged in the smoke pipe;

Fig. 5 is a schematic diagram of a turbulence device arranged in the smoke pipe;

Fig. 6 is a schematic diagram of the structure of the preheating tube winding steel wire.

In the figure: 1 furnace body; 2 heating coil; 3 combustion chamber;

4 smoke pipes; 5 smoke boxes; 6 furnace mouths;

7 outlets; 8 preheating tubes; 9 explosion-proof devices;

10 inspection port; 11 liquid level display port; 12 connection hole;

13 lifting lugs; 14 support devices; 15 spoiler devices;

151 fixtures; 152 slotted holes; 153 fins;

16 steel wires.

Detailed ways

The technical solution of the utility model is described in detail below in conjunction with the accompanying drawings. It should be pointed out that the technical solution of the utility model is not limited to the embodiments described in the examples. Those skilled in the art refer to and learn from the contents of the technical solution of the utility model , Improvements and designs carried out on the basis of the utility model should belong to the protection scope of the utility model.

As shown in Fig. 1-5, a kind of crude oil heating furnace described in the embodiment of the utility model includes a furnace body 1, and a heat exchange device, a combustion device and a gas preheating device are arranged in the furnace body 1, and the combustion device It consists of a combustion chamber 3 and a smoke box 5. One end of the combustion chamber 3 is the furnace mouth 6, and the other end is the outlet 7. There are multiple smoke pipes 4 inside the combustion chamber 3. The multiple smoke pipes 4 are connected with the smoke pipes arranged on the outlet 7. The box 5 is connected, and each of the smoke pipes 4 is provided with a turbulence device 15 inside, and the turbulence device 15 includes a sheet-shaped structure body, and a number of slots 152 are opened on the body to form a number of fins 153. The fins are inclined to both sides and arranged in a staggered manner according to the direction of inclination.

The gas preheating device is composed of a preheating pipe 8, which is arranged in the combustion chamber 3, and the mouth of the preheating pipe 8 is placed outside the furnace body, and the outside of the pipe wall of the preheating pipe is wound by a steel wire 16.

The fins 153 are arranged linearly.

The inclination angle of the fins 153 increases as the fins extend.

The outer edges of the fins 153 are arc-shaped, so that they fit closely with the inner wall of the smoke pipe 4, and can block and guide the fluid.

The slot 152 is square.

The fins 153 block the fluid, change the traveling direction of the fluid, and at the same time guide the fluid to shuttle in the slot 152 , and achieve the effect of disturbing the fluid after multiple reciprocations. The fins 153 adopt a streamlined design, so that the fluid can avoid blind spots in the process of advancing and make full use of the internal space of the smoke pipe 4 .

The maximum inclination angle of the fins 153 is 60-70 degrees.

The top of the turbulence device 15 is provided with a fixing device 151 for fixing at the mouth of the smoke pipe, and the fixing device 151 is integrally formed with the body.

The fixing device 151 is a cross bar parallel to the body port and extending to both ends.

The heat exchange device is composed of a heating coil 2 , and the two ends of the heating coil 2 protrude from the outside of the furnace body 1 .

The smoke box 5 is provided with an explosion-proof device 9 , which is coated on the outside of the smoke box 5 and made of explosion-proof materials to ensure the safe use of the smoke box 5 .

The furnace body 1 is provided with an inspection port 10 for safety inspection.

The furnace body 1 is provided with a liquid level display port 11, so that the liquid level 11 inside the furnace body 1 can be checked at any time.

The furnace body 1 is provided with connecting holes 12 and lifting lugs 13 .

A supporting device 14 is provided below the furnace body 1 to support the weight of the entire furnace body.

The utility model is formed by arranging the heating coil in the water area space of the furnace body. When the utility model is working, the fuel enters the smoke pipe after being burned in the combustion chamber, and finally is discharged into the atmosphere through the smoke box. (intermediate medium) is heated, and the heated medium in the heating coil is heated up and then supplied to the user. The heated medium of this crude oil heating furnace is crude oil, which is used for heating crude oil in oil field production. The heating furnace works in a closed environment, and the heat carrier water is recycled. The furnace water is replaced once a year, and there is no need to replenish water daily. Working under the state of the state, so the minerals will not be brought into the furnace with water to cause scaling, overheating, bulging, etc., so that the furnace body will not produce oxygen corrosion when operating under negative pressure or positive pressure, and the safety performance is good; heating The coil can be disassembled, cleaned and descaled directly, so it has low requirements on the quality of the heated medium; the utility model has high heating efficiency and long service life; the utility model uses oil and natural gas as fuel, and is equipped with an advanced automatic burner, which is strong and durable , high degree of automation, strong reliability.

Through the built-in turbulence device, the heat release coefficient is increased, and at the same time, the steel wire is wound on the pre-heating tube to increase the heating area, increase the heat transfer rate, and shorten the heating time.

Claims (9)

1. A crude oil heating furnace, comprising a body of furnace, in which a heat exchange device, a combustion device and a gas preheating device are provided, the combustion device is composed of a combustion chamber and a smoke box, one end of the combustion chamber is a furnace mouth, and the other One end is an outlet, and a plurality of smoke pipes are arranged in the combustion chamber, and the plurality of smoke pipes are connected with a smoke box arranged on the outlet. The main body of the structure has a plurality of slots to form a plurality of fins, and the plurality of fins are inclined to both sides and arranged in a staggered manner according to the direction of inclination. 2. The crude oil heating furnace as claimed in claim 1, wherein the gas preheating device is composed of a preheating pipe, the preheating pipe is arranged in the combustion chamber, the mouth of the preheating pipe is placed outside the furnace body, and the preheating pipe is arranged outside the furnace body. The outside of the tube wall of the heating tube is wound by steel wire. 3. The crude oil heating furnace according to claim 1, wherein the fins are arranged in a linear manner. 4. The crude oil heating furnace according to claim 1, characterized in that, the inclination angle of the fins increases as the fins extend. 5. The crude oil heating furnace according to claim 1, characterized in that, the outer edges of the fins are arc-shaped. 6. The crude oil heating furnace according to claim 1, characterized in that, the slots are square. 7. The crude oil heating furnace according to claim 1, characterized in that the maximum inclination angle of the fins is 60-70 degrees. 8. The crude oil heating furnace according to claim 1, characterized in that, the top of the turbulence device is provided with a fixing device for fixing at the mouth of the smoke pipe. 9. The crude oil heating furnace according to claim 8, wherein the fixing device is a cross bar parallel to the port of the body and extending toward both ends, and the fixing device is formed integrally with the body.