CN202893098U

CN202893098U - Gas three-phase separator

Info

Publication number: CN202893098U
Application number: CN 201220051030
Authority: CN
Inventors: 欧国强; 欧永轶; 冯刚
Original assignee: China Petroleum and Natural Gas Co Ltd
Current assignee: China Petroleum and Natural Gas Co Ltd
Priority date: 2012-02-16
Filing date: 2012-02-16
Publication date: 2013-04-24
Anticipated expiration: 2022-02-16

Abstract

The utility model relates to a gas three-phase separator. The gas three-phase separator comprises a housing, a catch tray, a hopper, a weir pipe, an oil-water warehouse separator plate, an oil insulation pipe, a catching net, an oil spilling pipe and a base plate. The catching net is installed on an upper part of an inner wall of the housing. The catch tray is welded to the middle of the inner wall of the housing. The hopper is arranged under the catch tray. The hopper is inserted into the oil insulation pipe. The oil insulation pipe is welded to the base plate. The oil spilling pipe is welded to an upper part of the oil insulation pipe and horizontally stretches into an upper part of an oil cavity. The weir pipe is welded to the base plate. The oil-water warehouse separator plate is vertically welded to the base plate. Two sides of the oil-water warehouse separator plate are welded to the inner wall of the housing. The oil-water warehouse separator plate and the base plate divide an inner cavity of the housing into the oil cavity, a water cavity and a base cavity. The housing between the catch tray and the catching net is provided with an air inlet. The top of the housing is provided with a gas outlet. Lower parts of the oil cavity, the water cavity and the base cavity are respectively provided with a water discharge outlet, an oil discharge outlet and a drain outlet. The gas three-phase separator realizes one-step separation of small amounts of water and light oil in gas.

Description

The natural gas three phase separator

Technical field

The utility model relates to a kind of natural-gas separator, can be with natural gas, water, the first separation of lightweight wet goods three-phase.

Background technology

Oil gas water three phase mixture in the oilfield output, the water vapour and the petroleum benzin steam that in the natural gas of initial gross separation, still contain Chuck Steak, this natural gas via pipeline that contains steam is exported rear because the continuous reduction of temperature will become liquid by some steam condensation, therefore this natural gas must advance natural-gas separator again and separates before using to next user, remove liquid and seizure and remove profit steam, for the user provides natural gas than high-quality.But the natural-gas separator that uses on the oil field at present all is gas-liquid two-phase separator, and isolated liquid is the mixture of water and light oil, and this mixture liquid also needs to carry out water-oil separating to next step operation again.Other natural gas processing unit, to also have more water after the natural gas compressing cooling and the light oil mixture is separated out, also carry out gas-liquid two-phase with two phase separator or gas bag now and separate, and isolated oil water mixture still need be delivered to subsequent processing and carries out water-oil separating.

The utility model content

The technical problems to be solved in the utility model provides a kind of natural gas three phase separator can be with a small amount of water and the light oil first separation that contains in the natural gas.

For solving the problems of the technologies described above, the utility model natural gas three phase separator, formed by housing 1, catch tray 2, funnel 3, weir pipe 4, profit storehouse dividing plate 5, oil removal pipe 6, catching net 7, oil spill pipe 11 and base plate 12, wherein, above-mentioned catching net 7 is installed in housing 1 upper inside wall, is used for catching the liquid that enters this separator with natural gas; Above-mentioned catch tray 2 is welded on housing 1 inwall middle part, and this catch tray 2 is funnel-form; Above-mentioned funnel 3 places below catch tray 2 bell mouths, and funnel 3 upper end external diameters are greater than catch tray 2 center bell mouth internal diameters, guarantee that the liquid that catch tray 2 is collected all flows in the funnel 3, these funnel 3 lower ends are inserted in the oil removal pipe 6, and this funnel 3 welds together with this oil removal pipe 6; Above-mentioned base plate 12 is welded on housing 1 inwall bottom, and this base plate 12 is cut apart base plate 12 take lower house 1 inner chamber as Lower Hold 10; Above-mentioned oil removal pipe 6 and base plate 12 vertical weldings, this oil removal pipe 6 and Lower Hold 10 communicate; Above-mentioned oil spill pipe 11 is vertically welded in oil removal pipe 6 tops, and both communicate, and these oil spill pipe 11 levels reach bunker 8 tops, and the mouth of pipe is downward, just all flow in the bunker through oil spill pipe 11 with the light oil in the liquid; Above-mentioned weir pipe 4 and base plate 12 vertical weldings, this weir pipe 4 communicate with Lower Hold 10; The height ratio of above-mentioned oil spill pipe 11 and above-mentioned weir pipe 4 is 1: 0.85-0.9, this parameter is to obtain according to the proportion of U-shaped pipe principle and light oil and water relation, both height ratio are in this scope, and this oil spill pipe 11 and this weir pipe 4 could better be realized the function of water-oil separating; Above-mentioned profit storehouse dividing plate 5 is plate always, this profit storehouse dividing plate 5 and base plate 12 vertical weldings, and these dividing plate 5 both sides, profit storehouse and the welding of housing 1 inwall, this profit storehouse dividing plate 5 is cut apart base plate 12 take upper shell 1 inner chamber as bunker 8 and sump 9 two parts; Above-mentioned housing 1 top is provided with air inlet a, and this air inlet a is between catch tray 2 and catching net 7; Above-mentioned housing 1 top is provided with gas outlet b, and this gas outlet b is on the catching net 7; Above-mentioned bunker 8, sump 9 and Lower Hold 10 low positions are respectively equipped with dewatering outlet c, fuel outlet d and drain e.

Above-mentioned housing 1 is hollow cylindrical.

The above-mentioned sump 9 one side bodies 1 outer water-level gauge L1 that is equipped with; The above-mentioned bunker 8 one side bodies 1 outer oil level indicator L2 that is equipped with, convenient water level and the oil level observed.

The height ratio of above-mentioned oil spill pipe 11 and described weir pipe 4 is 1: 0.88, and this height ratio is the preferred version of realizing that water oil separates.

Above-mentioned air inlet a, catch tray 2 bell mouths, funnel 3, oil removal pipe and drain e are all on housing 1 axial line.

Adopt the technical program, the separator maximum of using on the utility model natural gas three phase separator and the present oil field different, be that the isolated liquid in former separator bottom is oil water mixture, and the three phase separator bottom is that water and light oil have thoroughly been separated, anhydrous from the oil that the bunker of separator is emitted, nothing oil in the water of from sump, emitting, good separation.

Description of drawings

Below in conjunction with accompanying drawing the specific embodiment of the present utility model is described in further detail.

Fig. 1 is the structural representation of the utility model natural gas three phase separator.

The specific embodiment

As shown in Figure 1, the utility model three phase separator housing 1 is hollow cylindrical, catching net 7 is installed in housing 1 upper inside wall, be used for catching the liquid that enters container with natural gas, funnel-form catch tray 2 is welded on housing 1 inwall middle part, funnel 3 places below catch tray 2 bell mouths, and funnel 3 upper end external diameters are greater than catch tray 2 center bell mouth internal diameters, guarantee that the liquid that catch tray 2 is collected all flows in the funnel 3, these funnel 3 lower ends are inserted in the oil removal pipe 6, and this funnel 3 welds together with this oil removal pipe 6; Base plate 12 is welded on housing 1 inwall bottom, and these base plate 12 following housing 1 inner chambers are Lower Hold 10; Oil removal pipe 6 and base plate 12 vertical weldings, this oil removal pipe 6 and Lower Hold 10 communicate; Oil spill pipe 11 is vertically welded in oil removal pipe 6 tops, and both communicate, and these oil spill pipe 11 levels reach bunker 8 tops, and the mouth of pipe is downward, just all flow in the bunker through oil spill pipe 11 with the light oil in the liquid; Weir pipe 4 and base plate 12 vertical weldings, this weir pipe 4 communicate with Lower Hold 10; The height ratio of oil spill pipe 11 and weir pipe 4 is 1: 0.85-0.9, this parameter is to obtain according to the proportion of U-shaped pipe principle and light oil and water relation, both height ratio are in this scope, and this oil spill pipe 11 and this weir pipe 4 could better be realized the function of water-oil separating; Profit storehouse dividing plate 5 is plate always, this profit storehouse dividing plate 5 and base plate 12 vertical weldings, and these dividing plate 5 both sides, profit storehouse and the welding of housing 1 inwall, this profit storehouse dividing plate 5 is cut apart base plate 12 take upper shell 1 inner chamber as bunker 8 and sump 9 two parts; Housing 1 top is provided with air inlet a, and this air inlet a is between catch tray 2 and catching net 7; Housing 1 top center is provided with gas outlet b, and this gas outlet b is on the catching net 7; Above-mentioned bunker 8, sump 9 and Lower Hold 10 low positions are respectively equipped with dewatering outlet c, fuel outlet d and drain e.

The sump 9 one side bodies 1 outer water-level gauge L1 that is equipped with; The above-mentioned bunker 8 one side bodies 1 outer oil level indicator L2 that is equipped with, convenient water level and the oil level observed.

The height ratio of oil spill pipe 11 and weir pipe 4 is 1: 0.88, and this height ratio is the preferred version of realizing that water oil separates.Air inlet a, catch tray 2 bell mouths, funnel 3, oil removal pipe and drain e are all on housing 1 axial line.

The centre-height of oil spill pipe 11 highly is 1 apart from base plate 12, and funnel 3 full welds are in oil removal pipe 6 upper ends, and the lower port of funnel 3 is inserted in the oil removal pipe 6, and weir pipe 4 vertical full welds communicate on base plate 12 and with Lower Hold 10.The proportion 0.65-0.70 of light oil, the weir pipe highly should be between the 0.85-0.9.

Concrete using method is the natural gas that contains water vapour and naphtha steam or liquid, enter this separator from air inlet a, natural gas is exported from gas outlet b after purifying by catching net 7, the drop that is captured by catching net 7 or fall to the liquid that natural gas enters container and to flow into funnel 3 on the catch tray 2 and enter into oil removal pipe 6, in the oil removal pipe 6 under water to Lower Hold 10, manage the 4 excessive sump 9 that drop down onto through the weir, the petroleum benzin floating in oil removal pipe middle and upper part enters bunker 8 through oil spill pipe 11, and profit is thoroughly separated.Respectively there is liquid level gauge in the profit storehouse, can discharge by its indication, and the drain e of bottom is used for the solid dirt discharging or is used for container maintenance discharging.

Claims

1. natural gas three phase separator, formed by housing (1), catch tray (2), funnel (3), weir pipe (4), profit storehouse dividing plate (5), oil removal pipe (6), catching net (7), oil spill pipe (11) and base plate (12), it is characterized in that:

Described catching net (7) is installed in housing (1) upper inside wall;

Described catch tray (2) is welded on housing (1) inwall middle part, and this catch tray (2) is funnel-form; Described funnel (3) places below catch tray (2) bell mouth, and funnel (3) upper end external diameter is greater than catch tray (2) bell mouth internal diameter, this funnel (3) lower end is inserted in the oil removal pipe (6), and this funnel (3) welds together with this oil removal pipe (6);

Described base plate (12) is welded on housing (1) inwall bottom, and this base plate (12) is cut apart base plate (12) take lower house (1) inner chamber as Lower Hold (10);

Described oil removal pipe (6) and base plate (12) vertical welding, this oil removal pipe (6) and Lower Hold (10) communicate;

Described oil spill pipe (11) is vertically welded in oil removal pipe (6) top, and both communicate, and this oil spill pipe (11) level reaches bunker (8) top, and the mouth of pipe is downward;

Described weir pipe (4) and base plate (12) vertical welding, this weir pipe (4) communicates with Lower Hold (10);

The height ratio of described oil spill pipe (11) and described weir pipe (4) is 1: 0.85-0.9;

Described profit storehouse dividing plate (5) is plate always, this profit storehouse dividing plate (5) and base plate (12) vertical welding, these dividing plate (5) both sides, profit storehouse and the welding of housing (1) inwall, this profit storehouse dividing plate (5) is cut apart base plate (12) take upper shell (1) inner chamber as bunker (8) and sump (9) two parts;

Described housing (1) top is provided with air inlet (a), and this air inlet (a) is positioned between catch tray (2) and the catching net (7);

Described housing (1) top is provided with gas outlet (b), and this gas outlet (b) is on the catching net (7);

The low position of described bunker (8), sump (9) and Lower Hold (10) is respectively equipped with dewatering outlet (c), fuel outlet (d) and drain (e).

2. natural gas three phase separator according to claim 1, it is characterized in that: described housing (1) is hollow cylindrical.

3. natural gas three phase separator according to claim 1 is characterized in that: on described sump (9) one side bodies (1) water-level gauge (L1) is installed;

On described bunker (8) one side bodies (1) oil level indicator (L2) is installed.

4. natural gas three phase separator according to claim 1 is characterized in that: the height ratio of described oil spill pipe (11) and described weir pipe (4) is 1: 0.88.

5. natural gas three phase separator according to claim 1 is characterized in that: described air inlet (a), catch tray (2) bell mouth, funnel (3) mouthful, oil removal pipe and drain (e) are all on housing (1) axial line.