CN209635939U - A kind of desander for offshore oilfield platform fire-fighting equipment - Google Patents

Abstract

The utility model discloses a kind of desanders for offshore oilfield platform fire-fighting equipment, belong to desanding device technical field.Including several twin-stage cyclone separators being connected in turbid chamber circumferential direction, the turbid chamber connection feed liquor supervisor, clear liquid chamber is connected by clear liquid outlet tube at the top of the twin-stage cyclone separator, clear liquid is connected on clear liquid chamber goes out liquid supervisor, twin-stage cyclone separator bottom connects blowdown chamber by sewage pipe, flushing water inlet is connected in the blowdown chamber, blowdown chamber connects total blown pipe.The beneficial effects of the utility model are: being arranged using circle distribution form cyclone, it can guarantee each cyclone inlets pressure, multiple cyclones point row is avoided to be installed side by side because resistance damage leads to each cyclone inlets pressure different problems, each cyclone is under best inlet pressure, except sand coarse aggregate ratio height, good separating effect；Compared with multiple cyclones point row side by side installation, the cyclone occupied area of circumferential arrangement is small, saves site space.

Description

A kind of desander for offshore oilfield platform fire-fighting equipment

Technical field

The utility model relates to a kind of desanding devices on extra large oily fire-fighting equipment, belong to desanding device technical field.

Background technique

Offshore oilfield platform fire fighting device water consumption is big, and the underground water of use contains grains of sand etc., need by desander into It is used after row processing.Multiple cyclones point row is installed side by side according to the demand for the treatment of capacity.When treating capacity is big, the too long production of Trunk Line Raw resistance damage, cyclone inlets pressure reduces at this time, non-optimal operating condition, and separative efficiency reduces, on the other hand, what point row installed side by side Cyclone takes up a large area.

Utility model content

To solve defect of the existing technology, the purpose of the utility model is to provide a kind of by twin-stage cyclone separator week To the desander for offshore oilfield platform fire-fighting equipment of distribution, reduce occupied area, shortens feed liquor and be responsible for length, reduce resistance Damage.

The technical solution of the utility model is: a kind of desander for offshore oilfield platform fire-fighting equipment, including connection In several twin-stage cyclone separators in turbid chamber circumferential direction, the turbid chamber connection feed liquor supervisor, the twin-stage cyclone separator Top connects clear liquid chamber by clear liquid outlet tube, and connection clear liquid goes out liquid supervisor on clear liquid chamber, and twin-stage cyclone separator bottom passes through Sewage pipe connects blowdown chamber, and flushing water inlet is connected in the blowdown chamber, and blowdown chamber connects total blown pipe.

The twin-stage cyclone separator is cylindrical twin-stage cyclone separator, the cylinder twin-stage cyclone separator packet It includes, is located at the intracorporal inner cylinder of outer cylinder, lid is equipped at the top of the outer barrel, outer barrel lateral roof is equipped with tangential inlet pipe, interior Lid is connected at the top of cylinder, inner cylinder bottom is equipped with slag trapping cavity, partition is connected between inner cylinder and outer barrel, partition periphery is set There are several annular slotteds, outer barrel bottom is equipped with end socket, and end socket bottom is equipped with scum pipe, and inner cylinder surface is provided with tangential opening, The tangential opening is located above partition, overflow pipe through lid and extending in inner cylinder, be equipped at the top of overflow pipe with it is described The purified liquor outlet of clear liquid outlet tube connection.

Pod is equipped at the top of the slag trapping cavity, the pod is fixed by the connecting rod above slag trapping cavity.

The outer barrel, lid, inner cylinder and partition constitute level-one Disengagement zone, and the second-order separation area is located at the inner cylinder Between overflow pipe.

The cylindrical twin-stage cyclone separator that the cylinder twin-stage cyclone separator is DN200, cylindrical twin-stage eddy flow The quantity of separator is six.

The turbid chamber connects twin-stage cyclone separator by filtrate inlet pipe.

Twin-stage cyclone separator side connects drainage tube, and the drainage tube both ends are located at twin-stage cyclone separator Upper and lower part.

Support rod is connected between the turbid chamber and blowdown chamber.

The blowdown chamber bottom is equipped with supporting leg.

The beneficial effects of the utility model are: being arranged using circle distribution form cyclone, it is ensured that each rotation Device inlet pressure is flowed, multiple cyclones point row is avoided and is installed side by side because resistance damage causes each cyclone inlets pressure is different to ask Topic, each cyclone is under best inlet pressure, except sand coarse aggregate ratio is high, good separating effect；Compared with multiple cyclones point row side by side installation, The cyclone occupied area of circumferential arrangement is small, saves site space.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the top view of the utility model；

Fig. 3 is twin-stage cyclone separator structure chart；

Fig. 4 is the top view of Fig. 3.

Appended drawing reference is as follows in figure: 1, feed liquor is responsible for, 2, clear liquid chamber, 3, clear liquid outlet tube, 4, twin-stage cyclone separator, 4.1, scum pipe, 4.2, end socket, 4.3, pod, 4.4, outer barrel, 4.5, inner cylinder, 4.6, partition, 4.7, annular slotted, 4.8, level-one Disengagement zone, 4.9, tangential inlet pipe, 4.10, lid, 4.11, overflow pipe, 4.12, the second-order separation area, 4.13, collection slag Chamber, 4.14, tangential opening, 4.15, connecting rod, 4.16, purified liquor outlet, 5, drainage tube, 6, support rod, 7, sewage pipe, 8, blowdown Chamber, 9, rinse water inlet, 10, supporting leg, 11, total blown pipe, 12, turbid chamber, 13, filtrate inlet pipe, 14, clear liquid go out liquid supervisor.

Specific embodiment

1-4 is described further the utility model with reference to the accompanying drawing:

A kind of desander for offshore oilfield platform fire-fighting equipment, six including being connected in 12 circumferential direction of turbid chamber double Grade cyclone separator 4, turbid chamber 12 connect twin-stage cyclone separator 4, the twin-stage cyclone separator 4 by filtrate inlet pipe 13 Side connects drainage tube 5, and the drainage tube both ends are located at the upper and lower part of twin-stage cyclone separator 4, the twin-stage rotation Stream separator 4 is the cylindrical twin-stage cyclone separator of DN200, and the turbid chamber 12 connects feed liquor supervisor 1, the twin-stage eddy flow Clear liquid chamber 2 is connected by clear liquid outlet tube 3 at the top of separator 4, connection clear liquid goes out liquid supervisor 14, twin-stage eddy flow point on clear liquid chamber 2 Blowdown chamber 8 is connected by sewage pipe 7 from 4 bottom of device, is connected in the blowdown chamber 8 and rinses water inlet 9, blowdown chamber 8 connects always Sewage pipe 11, is connected with support rod 6 between the turbid chamber 12 and blowdown chamber 8,8 bottom of blowdown chamber is equipped with supporting leg 10, support rod 6 Play the role of fixing and supporting with supporting leg 10.

The twin-stage cyclone separator 4 is cylindrical twin-stage cyclone separator, the cylinder twin-stage cyclone separator packet It includes, the inner cylinder 4.5 in outer barrel 4.4, lid 4.10 is equipped at the top of the outer barrel 4.4, is connected at the top of inner cylinder 4.5 Lid 4.10,4.5 bottom of inner cylinder are equipped with slag trapping cavity 4.13, and 4.5 surface of inner cylinder is provided with tangential opening 4.14, inner cylinder 4.5 Partition 4.6 is connected between outer barrel 4.4,4.6 periphery of partition is equipped with several annular slotteds 4.7, and outer barrel bottom is equipped with envelope First 4.2,4.2 bottom of end socket is equipped with scum pipe 4.1, and 4.5 surface of inner cylinder is provided with tangential opening 4.14, the tangential opening 4.14 Above partition 4.6, overflow pipe 4.11 is through lid 4.10 and extends in inner cylinder 4.5, is equipped at the top of overflow pipe 4.11 The purified liquor outlet 4.16 being connect with the clear liquid outlet tube 3.Pod 4.3, the water conservancy diversion are equipped at the top of the slag trapping cavity 4.13 Cover 4.3 is fixed on 4.13 top of slag trapping cavity by connecting rod 4.15.The outer barrel 4.4, lid 4.10, inner cylinder 4.5 and Partition 4.6 constitutes level-one Disengagement zone 4.8, and the second-order separation area 4.12 is between the inner cylinder 4.5 and overflow pipe 4.11.

The specific workflow of the utility model is as follows:

Underground water enters turbid chamber 12 from feed liquor supervisor 1, passes through filtrate inlet pipe 13 then with certain pressure by cutting Enter in the level-one Disengagement zone 4.8 of twin-stage cyclone separator 4 to entrance pipe fitting 4.9, feed liquid is revolved at a high speed in level-one Disengagement zone 4.8 Turn, larger particles are separated, and along 4.4 inner wall of cylindrical outer barrel body, are deposited to collection slag through the circumferential annular slotted 4.7 of partition 4.6 In chamber 4.13, the feed liquid through initial gross separation is entered in inner cylinder 4.5 by the tangential opening 4.14 of inner cylinder 4.5, in the second-order separation The second-order separation is carried out in area, the clear liquid after the second-order separation exits into clear liquid chamber through purified liquor outlet 4.16 by overflow pipe 4.11 2, relatively large particle is separated, and is deposited in slag trapping cavity 4.13 along 4.5 inner wall of inner cylinder, is gathered in slag trapping cavity 4.13 Interior slag liquid is discharged to blowdown chamber 8 through scum pipe 4.1 and sewage pipe 7, the slag liquid in blowdown chamber 8 periodically pass through total blown pipe 11 into Row discharge；Blowdown chamber 8 need to be cleared up periodically, when cleaning, opened and rinsed water inlet 9, to being rinsed in blowdown chamber 8, be rinsed Sewage is discharged by total blown pipe 11.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into modification.

Claims (9)

1. a kind of desander for offshore oilfield platform fire-fighting equipment, which is characterized in that including being connected to turbid chamber (12) week Upward several twin-stage cyclone separators (4), turbid chamber (12) the connection feed liquor supervisor (1), the twin-stage cyclone separator (4) top connects clear liquid chamber (2) by clear liquid outlet tube (3), and connection clear liquid goes out liquid supervisor (14), twin-stage rotation on clear liquid chamber (2) Stream separator (4) bottom connects blowdown chamber (8) by sewage pipe (7), is connected on the blowdown chamber (8) and rinses water inlet (9), Blowdown chamber (8) connects total blown pipe (11).

2. the desander according to claim 1 for offshore oilfield platform fire-fighting equipment, which is characterized in that the twin-stage Cyclone separator (4) is cylindrical twin-stage cyclone separator, and the cylinder twin-stage cyclone separator includes being located at outer barrel (4.4) inner cylinder (4.5) in, outer barrel (4.4) top are equipped with lid (4.10), and outer barrel (4.4) lateral roof is equipped with Tangential inlet pipe (4.9), inner cylinder (4.5) top connect lid (4.10), and inner cylinder (4.5) bottom is equipped with slag trapping cavity (4.13), it is connected between inner cylinder (4.5) and outer barrel (4.4) partition (4.6), partition (4.6) periphery is equipped with several annulars It slots (4.7), outer barrel bottom is equipped with end socket (4.2), and end socket (4.2) bottom is equipped with scum pipe (4.1), inner cylinder (4.5) table Face is provided with tangential opening (4.14), and the tangential opening (4.14) is located above partition (4.6), and overflow pipe (4.11) runs through lid (4.10) it and extends in inner cylinder (4.5), the clear liquid connecting with the clear liquid outlet tube (3) is equipped at the top of overflow pipe (4.11) It exports (4.16).

3. the desander according to claim 2 for offshore oilfield platform fire-fighting equipment, which is characterized in that the collection slag Pod (4.3) are equipped at the top of chamber (4.13), the pod (4.3) is fixed on slag trapping cavity (4.13) by connecting rod (4.15) Top.

4. the desander according to claim 2 for offshore oilfield platform fire-fighting equipment, which is characterized in that the outer cylinder Body (4.4), lid (4.10), inner cylinder (4.5) and partition (4.6) constitute level-one Disengagement zone (4.8), the second-order separation area (4.12) between the inner cylinder (4.5) and overflow pipe (4.11).

5. the desander according to claim 2 for offshore oilfield platform fire-fighting equipment, which is characterized in that the cylinder Shape twin-stage cyclone separator is the cylindrical twin-stage cyclone separator of DN200, and the quantity of cylindrical twin-stage cyclone separator is six It is a.

6. the desander according to claim 1 for offshore oilfield platform fire-fighting equipment, which is characterized in that the turbid Chamber (12) passes through filtrate inlet pipe (13) connection twin-stage cyclone separator (4).

7. the desander according to claim 1 for offshore oilfield platform fire-fighting equipment, which is characterized in that the twin-stage Cyclone separator (4) side connects drainage tube (5), and the drainage tube both ends are located at the top of twin-stage cyclone separator (4) The lower part and.

8. the desander according to claim 1 for offshore oilfield platform fire-fighting equipment, which is characterized in that the turbid Support rod (6) are connected between chamber (12) and blowdown chamber (8).

9. the desander according to claim 1 for offshore oilfield platform fire-fighting equipment, which is characterized in that the blowdown Chamber (8) bottom is equipped with supporting leg (10).