CN212673921U

CN212673921U - Energy-saving efficiency-improving environment-friendly device of heat pipe phase-change type oil field heating furnace

Info

Publication number: CN212673921U
Application number: CN202020717685.2U
Authority: CN
Inventors: 刘菲; 李金霜; 刘宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-03-09
Anticipated expiration: 2030-05-06

Abstract

An energy-saving efficiency-improving environment-friendly device of a heat pipe phase-change type oil field heating furnace. Mainly solves the problems of low thermal efficiency and environmental pollution caused by high temperature of the flue gas exhausted by the existing oil field heating furnace. The method is characterized in that: the shell (4) is divided into an upper part and a lower part by a heat exchange body partition plate (14), the lower part is a heated box (2), the upper part is a heat release box (6), the heated box (2) is respectively provided with a flue gas inlet (1) and a flue gas outlet (10), and the heat release box (6) is respectively connected with a medium inlet (13) and a medium outlet (12); a plurality of heat pipes (9) are fixed on the heat exchange body partition plate (14), and the upper end and the lower end of each heat pipe (9) are respectively arranged in the heat release box (6) and the heating box (2). The heat pipe phase-change type oil field heating furnace energy-saving efficiency-improving environment-friendly device can reduce the height of a chimney, reduce the smoke exhaust temperature, improve the heat efficiency and reduce the pollution to the environment.

Description

Energy-saving efficiency-improving environment-friendly device of heat pipe phase-change type oil field heating furnace

Technical Field

The utility model relates to an oil field, specific heat pipe phase transition formula oil field heating furnace energy-conservation is carried and is imitated environment-friendly device that says so.

Background

In the process of oil extraction and transportation in oil fields, a heating furnace, which is a device for heating and raising the temperature of the produced liquid water-containing dirty oil, is used. The negative pressure heating furnace has simple structure, convenient maintenance, low production cost, firmness and durability, is used for almost sixty years, and occupies a great part of oil fields such as Daqing oil field, Liaohe oil field, Hongkong oil field and the like at present. Because the heating furnace needs to generate negative pressure by the ejecting force of the chimney to meet the combustion requirement of the combustor, the chimneys are all high and are generally more than 19 meters, and potential safety hazards exist. Meanwhile, the biggest defect of the high chimney is that the exhaust gas temperature is too high, and the heat utilization rate of the heating furnace is influenced by too high temperature of the exhaust gas discharged by the heating furnace. The heat efficiency of the conventional negative pressure heating furnace is generally low, most negative pressure heating furnaces are below 78%, the exhaust gas temperature is mostly about 260 ℃, the exhaust gas temperature of part of the heating furnaces reaches 330 ℃, and the exhaust gas temperature of a horizontal cylinder furnace (commonly called as a high-efficiency furnace) is above 300 ℃. The heating furnace has high and low thermal efficiency, and directly influences the energy availability. The heating furnace has low efficiency, and can cause energy waste, which is contrary to the energy conservation and emission reduction advocated by the nation. The high-temperature flue gas emission of the oil field heating furnace not only causes a large amount of heat energy waste, but also pollutes the environment, and if a policy has been put out in many places at present to require a chimney to be whitened, the emission temperature of the chimney is reduced.

Disclosure of Invention

In order to overcome current oil field heating furnace exhaust gas temperature high and make the thermal efficiency low, polluted environment, have the not enough of potential safety hazard, the utility model provides a heat pipe phase transition formula oil field heating furnace is energy-conserving to be carried and imitates environment-friendly device, this heat pipe phase transition formula oil field heating furnace is energy-conserving to be carried and imitates environment-friendly device can reduce the height of chimney, reduces the exhaust gas temperature, improves the thermal efficiency, alleviates the pollution to the environment, can also solve the potential safety hazard that high chimney exists.

The technical scheme of the utility model is that: the heat pipe phase change type oil field heating furnace energy-saving efficiency-improving environment-friendly device comprises a shell, wherein the shell is divided into an upper part and a lower part by a heat exchange body partition plate, the lower part is a heating box, the upper part is a heat releasing box, the heating box is respectively provided with a flue gas inlet and a flue gas outlet, and the heat releasing box is respectively connected with a medium inlet and a medium outlet; a plurality of heat pipes are fixed on the heat exchange body partition plate, and the upper end and the lower end of each heat pipe are respectively arranged in the heat release box and the heating box.

The heat pipes are single pipes, and stainless steel fins are wound on the outer surface of the part, located in the heating box, of the lower end of each heat pipe.

The flue gas inlet is connected with a flue gas outlet of the heating furnace, the flue gas outlet is connected with a chimney of the heating furnace, and the medium inlet and the medium outlet are respectively connected with the heating furnace.

The utility model discloses following beneficial effect has: due to the adoption of the scheme, the device is connected to the heating furnace, high-temperature flue gas of the heating furnace passes through the heating box, the heat pipe in the heating box is heated, the heat conduction material in the heat pipe transfers heat to the heat release box, and the medium in the heat release box is heated, so that on one hand, the secondary utilization of the high-temperature flue gas is realized, the heat efficiency is improved, on the other hand, the flue gas emission temperature is reduced, the direct exhaust of the high-temperature flue gas into the atmosphere is avoided, and the environmental pollution is reduced. Meanwhile, the height of the chimney is reduced, condensed water cannot appear at the chimney, the environment is further protected, and potential safety hazards of high chimneys are effectively avoided. Through practical application, the heat pipe phase-change type oil field heating furnace energy-saving efficiency-improving environment-friendly device is arranged on the heating furnace, the heat efficiency of the heating furnace can reach more than 90%, fuel gas is saved by 14%, and the purposes of energy conservation and environment protection are achieved.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a left side view of the present invention.

In the figure, 1-a flue gas inlet, 2-a heated box, 3-a bolt, 4-a shell, 6-a heat release box, 7-an air vent, 8-an observation hole, 9-a heat pipe, 10-a flue gas outlet, 11-a sewage discharge outlet, 12-a medium outlet, 13-a medium inlet, 14-a heat exchange body clapboard and 15-a support.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in figures 1 and 2, the heat pipe phase-change type oil field heating furnace energy-saving efficiency-improving environment-friendly device comprises a shell 4, wherein the bottom of the shell 4 is fixed on the heating furnace through a support 15. The shell 4 is divided into an upper part and a lower part by a heat exchange body partition plate 14, the upper part and the lower part are not communicated, the lower part is a heating box 2, and the upper part is a heat release box 6. The heating box 2 is provided with a flue gas inlet 1 and a flue gas outlet 10 respectively, the flue gas inlet 1 is connected with a flue gas outlet of the heating furnace, and the flue gas outlet 10 is connected with a chimney of the heating furnace. The heat release box 6 is respectively connected with a medium inlet 13 and a medium outlet 12, and the medium inlet 13 and the medium outlet 12 are respectively connected with the heating furnace. A plurality of heat pipes 9 are fixed on the heat exchange body partition plate 14, and heat-conducting media are arranged in the heat pipes 9. The heat pipes 9 are single pipes, and each heat pipe is an independent pipe body, so that if the heat pipe is damaged, only one heat pipe can be replaced in a targeted manner, and the disassembly is convenient. The upper end and the lower end of the heat pipe 9 are respectively arranged in the heat release box 6 and the heating box 2, the outer surface of the lower end of the heat pipe 9, which is positioned in the heating box 2, is wound with stainless steel fins, the heat absorption area is increased, the part of the upper end of the heat pipe 9, which is positioned in the heat release box 6, is a round pipe, heat conduction oil-repellent coating is coated on the surface of the round pipe, and crude oil in a heating medium is prevented from being attached to and hung on the pipe body.

In the field installation process, the flue gas inlet 1 is connected with the flue gas outlet of the heating furnace, the flue gas outlet 10 is connected with a chimney through an induced draft fan, the medium inlet 13 is in butt joint with a liquid inlet pipeline, the medium outlet 12 is in butt joint with a liquid return pipeline, and the support 15 is fixed on an original furnace body platform of the heating furnace, so that the installation is simple and rapid. When the heating furnace operates, the flue gas outlet of the heating furnace enters the heating box 2 to heat the heat pipe 9, a medium in the heating furnace enters the heat release box 6 through the medium inlet 13, the heat conducting medium in the heat pipe 9 upwards conducts heat to the heat release box 6 to heat the medium in the heat release box 6, so that the secondary utilization of high-temperature flue gas is realized, and the discharge temperature of the flue gas is also reduced after the secondary heating of the medium.

The energy-saving efficiency-improving environment-friendly device of the heat pipe phase-change type oil field heating furnace is equipped with a working condition display cabinet in a factory, and the temperature and the pressure of a flue gas inlet and a flue gas outlet and a medium inlet and a medium outlet are respectively displayed, so that the running condition of equipment can be intuitively mastered. The heat exchange mode that the device adopted when improving the heat transfer effect, has reduced equipment weight and occupation space, has saved consumptive material volume.

Claims

1. The utility model provides an energy-conserving environment-friendly device that imitates of carrying of heat pipe phase transition formula oil field heating furnace, includes casing (4), its characterized in that: the shell (4) is divided into an upper part and a lower part by a heat exchange body partition plate (14), the lower part is a heated box (2), the upper part is a heat release box (6), the heated box (2) is respectively provided with a flue gas inlet (1) and a flue gas outlet (10), and the heat release box (6) is respectively connected with a medium inlet (13) and a medium outlet (12); a plurality of heat pipes (9) are fixed on the heat exchange body partition plate (14), and the upper end and the lower end of each heat pipe (9) are respectively arranged in the heat release box (6) and the heating box (2).

2. The heat pipe phase-change type oil field heating furnace energy-saving efficiency-improving environment-friendly device according to claim 1, characterized in that: the heat pipes (9) are single pipes, and stainless steel fins are wound on the outer surface of the part, located in the heating box (2), of the lower end of each heat pipe (9).

3. The heat pipe phase change type oil field heating furnace energy-saving efficiency-improving environment-friendly device according to claim 2, characterized in that: the flue gas inlet (1) is connected with a flue gas outlet of a heating furnace, the flue gas outlet (10) is connected with a chimney of the heating furnace, and the medium inlet (13) and the medium outlet (12) are respectively connected with the heating furnace.