CN207214455U - A kind of double heater using associated gas as raw material - Google Patents

Abstract

A double heating device using oilfield associated gas as a raw material, belonging to the field of gas heating, including a heating pad, the heating pad is composed of an upper electric heating layer, an intermediate insulating layer and a lower heat conducting layer bonded in sequence, and the electric A temperature control device is provided between the heating layer and the insulating layer. The electric heating layer includes electric heating wires connected to the gas generator. A heat conduction cylinder matching the shape of the combustion chamber is installed outside the combustion chamber of the gas generator. There is a water inlet and a water outlet, the water inlet is connected to one end of the heat conduction pipe in the heat conduction layer, the water outlet is connected to the other end of the heat conduction pipe, and the combustion chamber is connected to an associated gas source through an intake pipe equipped with an electric valve. The utility model continuously and stably heats the oil storage tank with the scattered associated gas of the oil field as raw material, can automatically adjust the temperature, does not need to consume extra electric energy, does not cause environmental pollution, and can also save the cost of separating the associated gas.

Description

A double heating device using oilfield associated gas as raw material

technical field

The utility model belongs to the field of gas heating systems, and in particular relates to a double heating device which takes oil field associated gas as raw material.

Background technique

In the oilfields located in the north, when autumn and winter enter, the temperature difference between day and night is large, and the problem of freezing and clogging of oil storage tanks is serious, which brings great troubles to crude oil gathering and transportation. It is not conducive to the problem of tank trucks being reversed, which increases the cost; the second is direct heating, which causes a huge load on the power supply system due to the large power loss and low cost-effectiveness ratio; the third is the method of burning coal for heating. The environment has caused great pollution.

Contents of the invention

In order to solve the deficiencies of the existing technology, the purpose of this utility model is to propose a dual heating device that directly uses the scattered oil field associated gas as raw material to continuously and stably heat the oil storage tank, and can automatically adjust the temperature without consuming Extra power, no environmental pollution, and the cost of separating associated gas can be saved.

In order to achieve the above object, the technical scheme that the utility model takes is:

A double heating device using oilfield associated gas as a raw material, including a heating pad, the heating pad is composed of an upper electric heating layer, an intermediate insulating layer and a lower heat conducting layer sequentially bonded, and the electric heating layer and the insulating layer There is a temperature control device between them. The electric heating layer includes electric heating wires connected to the gas generator. A heat conduction cylinder matching the shape of the combustion chamber is installed outside the combustion chamber of the gas generator, and a water inlet and an outlet are arranged on the heat conduction cylinder. The water inlet is connected to one end of the heat conduction pipe in the heat conduction layer, the water outlet is connected to the other end of the heat conduction pipe, and the combustion chamber is connected to an associated gas source through an intake pipe equipped with an electric valve.

Further, the heat conduction cylinder is an annular pure copper tube.

Further, the material of the heating wire is one of constantancopper alloy, zinc-nickel-nickel alloy, nickel-chromium alloy or copper-nickel alloy.

The beneficial effects of the utility model:

The utility model can double guarantee the continuous and stable heating of the oil storage tank through the heat conduction layer and the electric heating layer, and can make full use of the heat generated by the associated gas at the same time; the temperature control system can automatically adjust the work of the two heating systems conditions, making the oil storage tank more stable in heating.

Description of drawings

Accompanying drawing 1 is the structural connection schematic diagram of the present utility model;

In the figure, 1. Electric heating layer, 2. Heating wire, 3. Insulation layer, 4. Heat pipe, 5. Heat conduction layer, 6. Water outlet, 7. Heat conduction cylinder, 8. Combustion chamber, 9. Gas generator, 10. Water inlet, 11. Electric valve, 12. Air intake pipe, 13. Temperature control device.

Detailed ways

Below in conjunction with specific embodiment and accompanying drawing, the utility model is further described.

As shown in the drawings, a double heating device using oilfield associated gas as raw material includes a heating pad, which is composed of an upper electric heating layer 1, an intermediate insulating layer 3 and a lower heat conducting layer 5 bonded in sequence, A temperature control device 13 is provided between the electric heating layer 1 and the insulating layer 3 to realize the purpose of turning on the gas generator 9 for supplementary heating when the temperature of the heat conducting layer 5 fails to meet the requirement of heating the oil storage tank, otherwise, the gas generator 9 is turned off. Generator 9; the electric heating layer 1 includes a copper-nickel alloy heating wire 2 connected to the gas generator 9, and an annular pure copper heat conduction cylinder 7 matching the shape of the combustion chamber 8 is installed outside the combustion chamber 8 of the gas generator 9 , a water inlet 10 and a water outlet 6 are provided on the heat conduction cylinder 7, the water inlet 10 is connected to one end of the heat conduction pipe 4 in the heat conduction layer 5, the water outlet 6 is connected to the other end of the heat conduction pipe 4, and the combustion chamber 8 It is connected to an associated gas source through an air intake pipe 12 equipped with an electric valve 11 .

The cavity of the ring-shaped pure copper heat conduction cylinder 7 can hold about 25 liters of water, the heat generation of the electric heating layer 1 must reach the GB/T23107-2008 standard, and graphite or glass fiber polyimide film is added to the insulating layer 3 to reach GB/T 13542.6-2006 standard or above, the inner diameter of the heat pipe 4 in the heat conduction layer 5 is 12mm, made of stainless steel, laid in a serpentine shape, and polyurethane foam insulation material can also be pasted on the bottom of the heat conduction layer 5 .

The heating device can solve the heating problem of the crude oil storage tank, and directly utilizes the associated gas without complicated three-phase separation operation.

working principle:

The utility model provides electric heating for the electric heating layer 1 through the gas generator 9. At the same time, the water flow passes through the heat conduction cylinder 7 provided outside the combustion chamber 8 to heat the heat conduction layer 5, and the temperature control device 13 can be used according to the actual temperature needs and the heat conduction layer. 5 temperature, the electric heating layer 1 is automatically adjusted.

Claims (3)

1. A double heating device using oilfield associated gas as raw material, comprising a heating pad, characterized in that: the heating pad is composed of an upper electric heating layer (1), an intermediate insulating layer (3) and a lower heat conducting layer (5 ) sequential bonding structure, a temperature control device (13) is provided between the electric heating layer (1) and the insulating layer (3), and the electric heating layer (1) includes a gas generator (9) connected The heating wire (2), the heat conduction cylinder (7) matching the shape of the combustion chamber is installed outside the combustion chamber (8) of the gas generator (9), and the heat conduction cylinder (7) is provided with a water inlet (10) and an outlet The water inlet (6), the water inlet (10) is connected to one end of the heat conduction pipe (4) in the heat conduction layer (5), the water outlet (6) is connected to the other end of the heat conduction pipe (4), and the combustion chamber (8 ) is connected to the associated gas source through the intake pipe (12) equipped with an electric valve (11). 2. A double heating device using oilfield associated gas as a raw material according to claim 1, characterized in that: the heat conducting cylinder (7) is an annular pure copper tube. 3. A double heating device using oilfield associated gas as raw material as claimed in claim 1, characterized in that: the material of the heating wire (2) is constantancopper alloy, zinc white copper, nickel-chromium alloy or copper-nickel alloy one.