CN202645529U - Efficient spiral-flow type grit separator used for oilfield wellhead - Google Patents
Efficient spiral-flow type grit separator used for oilfield wellhead Download PDFInfo
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- CN202645529U CN202645529U CN 201220331959 CN201220331959U CN202645529U CN 202645529 U CN202645529 U CN 202645529U CN 201220331959 CN201220331959 CN 201220331959 CN 201220331959 U CN201220331959 U CN 201220331959U CN 202645529 U CN202645529 U CN 202645529U
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- sediment outflow
- cylindrical shell
- sand setting
- sand discharging
- setting body
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Abstract
The utility model relates to the technical field of grit separators, and particularly relates to an efficient spiral-flow type grit separator used for an oilfield wellhead. The efficient spiral-flow type grit separator used for the oilfield wellhead comprises a barrel, a sand discharging device, a sand discharging separator cartridge, and a stream guidance rod. The left end and the right end of the barrel are respectively provided with a liquid inlet and a liquid outlet. The sand discharging separator cartridge is fixedly installed in the barrel, the stream guidance rod is installed in the sand discharging separator cartridge, and a screw blade is fixed on the stream guidance rod. A liquid sending channel is formed between the screw blade and the sand discharging separator cartridge. The efficient spiral-flow type grit separator used for the oilfield wellhead is reasonable and compact in structure, and convenient to use. A sand discharging cavity utilizes a cone-shaped cavity which takes a communicating hole as a center, wherein two sides of the sand discharging cavity are narrow in outer side and wide in inner side. Meanwhile, sand discharging slot holes are distributed to form a dextro-shaped circumference and the axis direction of the sand discharging slot holes is tangent to the inner wall of the barrel, so that contamination particles are collected in the communicating hole and sand discharging effect is good. Impurities are prevented from remaining in the sand discharging cavity. In addition, slot holes are utilized in the sand discharging slot holes, so that sand discharging quantity and working efficiency are improved.
Description
Technical field
The utility model relates to the desander technical field in the oil field shaft mouth operation, is a kind of oil field shaft mouth high-efficiency swirl-type desander.
Background technology
At present, in oil field shaft mouth (recovering the oil and formation testing) operation, crude oil is by underground collection, be transported to ground, be transported to oily factory by feed-line or transport vehicle again, cross the Cheng Qian at this and will carry out desanding by desander, transport vehicle etc. takes up equipment otherwise the sand grains in the crude oil can wear and tear; The existing common desander that adopts easily stops up the sediment outflow slotted hole in the sediment outflow cylinder, make the impurity discharge in the fluid not thorough, the sediment outflow weak effect; In the sediment outflow cavity, easily be detained the often cleaning of impurity needs simultaneously, it is very inconvenient to use, and extremely loses time inefficiency.
Summary of the invention
The utility model provides a kind of oil field shaft mouth high-efficiency swirl-type desander, has overcome the deficiency of above-mentioned prior art, and it can effectively solve and adopt common desander desanding effect poor, uses inconvenience, ineffective problem.
The technical solution of the utility model realizes by following measures: a kind of oil field shaft mouth high-efficiency swirl-type desander, and this oil field shaft mouth high-efficiency swirl-type desander comprises cylindrical shell, unloads sand device, sediment outflow cylinder and diversion rod; Left end and right-hand member at cylindrical shell have respectively inlet and liquid outlet; In cylindrical shell, be installed with the sediment outflow cylinder, in the sediment outflow cylinder, diversion rod is installed, be fixed with helical blade at diversion rod, between helical blade and sediment outflow cylinder, form the liquor charging passage, be distributed with on the barrel of the sediment outflow cylinder corresponding with the liquor charging passage and the sediment outflow slotted hole of helical blade with rotation direction, the groove of annular is arranged on the cylindrical shell corresponding with the sediment outflow cylinder and form the sediment outflow cavity, right part downside at cylindrical shell has the intercommunicating pore that communicates with the sediment outflow cavity, and the cylindrical shell lower end corresponding with intercommunicating pore is fixedly connected with unloads the sand device; The sediment outflow cavity is the cone-shaped cavity that both sides are outer narrow inner width centered by intercommunicating pore.
The below is the further optimization and/or improvements to above-mentioned utility model technical scheme:
The turnover axial direction of above-mentioned sediment outflow slotted hole is parallel with the tangent line of the inwall of cylindrical shell.
The axial length of above-mentioned sediment outflow slotted hole can be 25 millimeters to 30 millimeters; The radial width of sediment outflow slotted hole is 3 millimeters to 5 millimeters; The rotation pitch of sediment outflow slotted hole is 40 millimeters to 80 millimeters.
The axial length of above-mentioned sediment outflow slotted hole can be 28 millimeters; The radial width of sediment outflow slotted hole is 4 millimeters; The rotation pitch of sediment outflow slotted hole is 60 millimeters.
The above-mentioned sand device that unloads can comprise valve body, sand setting body, mounting flange and plug; The lower end of the cylindrical shell corresponding with intercommunicating pore fixedly is communicated with valve body and sand setting body successively by adpting flange from top to bottom, is installed with mounting flange in the bottom of sand setting body, and fixed installation is useful on the plug with the shutoff of sand setting body in mounting flange.
Upper end, the left side of above-mentioned cylindrical shell can be installed with needle-valve and pressure meter and communicate with the inside of sediment outflow cavity; Be installed with needle-valve and pressure meter on the top of sand setting body and communicate with sand setting body inside.
Can there be support the lower right of above-mentioned cylindrical shell, is installed with outlet(discharge) flange in the upper end of support and communicates with the inside of sediment outflow cylinder; Left side and right hand external at outlet(discharge) flange have respectively annular flange boss, are fixed together by connecting screw rod and attaching nut between the flange boss in left side and the cylindrical shell; Circle distribution has connecting through hole on the flange boss on right side, is separately installed with connecting screw rod and two attaching nuts in connecting through hole; Left end circle distribution at cylindrical shell has screwed hole, is installed with respectively connecting screw rod and attaching nut by screw thread in screwed hole.
Can be installed with sealing ring between above-mentioned outlet(discharge) flange and the cylindrical shell, between the both sides of sediment outflow cylinder and cylindrical shell, be installed with respectively sealing ring; Be installed with sealing ring between the lower end of mounting flange and sand setting body, adpting flange is installed with sealing ring respectively and between the upper end of the lower end of cylindrical shell and sand setting body.
The utility model reasonable and compact in structure, easy to use; Sediment outflow cavity employing both sides centered by intercommunicating pore are the conical cavity of outer narrow inner width, and it is tangent that while sediment outflow slotted hole is dextrorotation shape circle distribution and its axis direction and cylinder inboard wall, therefore effectively makes impurity particle concentrate on the intercommunicating pore place, makes the sediment outflow better effects if; Can prevent impurity occurring at the sediment outflow cavity residual; Because the sediment outflow slotted hole adopts the form of slotted hole, increase the sediment outflow amount simultaneously, improved operating efficiency.
Description of drawings
Accompanying drawing 1 is looked the sectional structure schematic diagram for the master of the utility model most preferred embodiment.
Accompanying drawing 2 is the main TV structure schematic diagram of the amplification of the sediment outflow cylinder in the utility model.
Accompanying drawing 3 is that the A-A of accompanying drawing 2 is to the revolved section structural representation.
Coding in the accompanying drawing is respectively: 1 is cylindrical shell, and 2 is the sediment outflow cavity, and 3 is intercommunicating pore, and 4 is the sediment outflow cylinder, 5 is diversion rod, and 6 is helical blade, and 7 is the sediment outflow slotted hole, and 8 is valve body, 9 is the sand setting body, and 10 is mounting flange, and 11 is plug, 12 is adpting flange, and 13 is support, and 14 is outlet(discharge) flange, 15 is the flange boss, and 16 is connecting screw rod, and 17 is the attaching nut, 18 is sealing ring, and 19 is needle-valve, and 20 is pressure meter.
The specific embodiment
The utility model is not subjected to the restriction of following embodiment, can determine concrete embodiment according to the technical solution of the utility model and actual conditions.
In the utility model, for convenience of description, the description of the relative position relation of each parts all is that the Butut mode according to Figure of description 1 is described, as: the position relationship of upper and lower, left and right etc. is to determine according to the Butut direction of Figure of description.
Below in conjunction with embodiment and accompanying drawing the utility model is further described:
As shown in Figure 1, this oil field shaft mouth with the high-efficiency swirl-type desander comprise cylindrical shell 1, unload the sand device, sediment outflow cylinder 4 and diversion rod 5; Left end and right-hand member at cylindrical shell 1 have respectively inlet and liquid outlet; In cylindrical shell 1, be installed with sediment outflow cylinder 4, diversion rod 5 is installed in sediment outflow cylinder 4, be fixed with helical blade 6 at diversion rod 5, between helical blade 6 and sediment outflow cylinder 4, form the liquor charging passage, be distributed with on the barrel of the sediment outflow cylinder 4 corresponding with the liquor charging passage and the sediment outflow slotted hole 7 of helical blade 6 with rotation direction, the groove of annular is arranged on the cylindrical shell 1 corresponding with sediment outflow cylinder 4 and form sediment outflow cavity 2, right part downside at cylindrical shell 1 has the intercommunicating pore 3 that communicates with sediment outflow cavity 2, and cylindrical shell 1 lower end corresponding with intercommunicating pore 3 is fixedly connected with unloads the sand device; Sediment outflow cavity 2 is cone-shaped cavities that both sides are outer narrow inner width centered by intercommunicating pore 3.With intercommunicating pore 3 with unload the right part that the sand device is installed in cylindrical shell, more close like this liquid outlet can prevent effectively that the sand grains of discharging from repeating sediment outflow at the inlet place from newly being involved in the fluid, thereby reduces operating efficiency; Adopt simultaneously the sediment outflow cavity 2 of taper, be difficult for making impurity particle to be trapped in the sediment outflow cavity 2 and affect desanding; Increase the self-cleaning power of sediment outflow cavity 2.
Can according to actual needs, above-mentioned oil field shaft mouth be made further optimization and/or improvements with the high-efficiency swirl-type desander:
Shown in accompanying drawing 2,3, the turnover axial direction of sediment outflow slotted hole 7 is parallel with the tangent line of the inwall of cylindrical shell 1.Like this, the impurity particle in the liquor charging passage is easier is thrown out of and is discharged in the sediment outflow cavity 2 by sediment outflow slotted hole 7; Sediment outflow slotted hole 7 is the distribution of dextrorotation shape simultaneously, helps impurity when discharging, and concentrates intercommunicating pore 3 places that are gathered in liquid outlet, is drained into by intercommunicating pore 3 and unloads in the sand device, thereby better play the effect that sediment outflow unloads sand; Effectively prevent because of sediment outflow cavity 2 interior residual impurity too much, make desanding effect not good.
As required, the axial length of sediment outflow slotted hole 7 is 25 millimeters to 30 millimeters; The radial width of sediment outflow slotted hole 7 is 3 millimeters to 5 millimeters; The rotation pitch of sediment outflow slotted hole 7 is 40 millimeters to 80 millimeters.Be more convenient for like this making desanding more thorough to the separation of well head place fine powder.
As required, the axial length of sediment outflow slotted hole 7 is 28 millimeters; The radial width of sediment outflow slotted hole 7 is 4 millimeters; The rotation pitch of sediment outflow slotted hole 7 is 60 millimeters.
As shown in Figure 1, unload the sand device and comprise valve body 8, sand setting body 9, mounting flange 10 and plug 11; The lower end of the cylindrical shell 1 corresponding with intercommunicating pore 3 fixedly is communicated with valve body 8 and sand setting body 9 successively by adpting flange 12 from top to bottom, be installed with mounting flange 10 in the bottom of sand setting body 9, be useful on plug 11 with 9 shutoff of sand setting body in mounting flange 10 interior fixed installations.Fluid in the sediment outflow cylinder 4 enters in the sediment outflow cavity 2 by sediment outflow slotted hole 7, and the impurity particle in the sediment outflow cavity 2 enters in the sand setting body 9 by valve body 8, and sand setting body 9 itself just is used for taking up impurity particle; After filling, can inner impurity particle be bled off or change sand setting body 9 by plug 11 and get final product; Needle-valve 19 and pressure meter 20 are conducive to observe the pressure of cylindrical shell 1 and sand setting body 9 interior liquid, prevent the excessive and damage equipment of the suffered pressure of cylindrical shell 1 or because cylindrical shell 1 stops up fluid can not normally be flowed out.
As shown in Figure 1, be installed with needle-valve 19 and pressure meter 20 and communicate with the inside of sediment outflow cavity 2 in upper end, the left side of cylindrical shell 1; Be installed with needle-valve 19 and pressure meter 20 on the top of sand setting body 9 and communicate with sand setting body 9 inside.Needle-valve 19 and pressure meter 20 are conducive to observe the pressure of cylindrical shell 1 and sand setting body 9 interior liquid, prevent the excessive and damage equipment of the suffered pressure of cylindrical shell 1 or because cylindrical shell 1 stops up fluid can not normally be flowed out.
As shown in Figure 1, in the lower right of cylindrical shell 1 support 13 is arranged, be installed with outlet(discharge) flange 14 in the upper end of support 13 and communicate with the inside of sediment outflow cylinder 4; Left side and right hand external at outlet(discharge) flange 14 have respectively annular flange boss 15, are fixed together by connecting screw rod 16 and attaching nut 17 between the flange boss 15 in left side and the cylindrical shell 1; Circle distribution has connecting through hole on the flange boss 15 on right side, is separately installed with connecting screw rod 16 and two attaching nuts 17 in connecting through hole; Left end circle distribution at cylindrical shell 1 has screwed hole, is installed with respectively connecting screw rod 16 and attaching nut 17 by screw thread in screwed hole.Like this, being convenient to cylindrical shell 1 is connected with other devices by outlet(discharge) flange 14.
As shown in Figure 1, be installed with sealing ring 18 between outlet(discharge) flange 14 and the cylindrical shell 1, between the both sides of sediment outflow cylinder 4 and cylindrical shell 1, be installed with respectively sealing ring 18; Be installed with sealing ring 18 between the lower end of mounting flange 10 and sand setting body 9, adpting flange 12 is installed with sealing ring 18 respectively and between the upper end of the lower end of cylindrical shell 1 and sand setting body 9.
Above technical characterictic has consisted of most preferred embodiment of the present utility model, and it has stronger compliance and best implementation result, can increase and decrease according to actual needs non-essential technical characterictic, satisfies the demand of different situations.
The use procedure of the utility model most preferred embodiment: at first, fluid enters in the sediment outflow cylinder 4 by inlet, under the effect of the helical blade 6 of diversion rod 5, form eddy flow, impurity particle in the liquid separates from fluid by the effect of self gravitation and centrifugal force, enter in the sediment outflow cavity 2 by sediment outflow slotted hole 7 again, then enter in the sand setting body 9 through intercommunicating pore 3 and valve body 8; More such as sand setting body 9 impurity particles, can drain by dismantling plug 11; Discharge by outlet(discharge) flange 14 through the fluid behind the sediment outflow cylinder 4.Learn through use test in oil field shaft mouth: it is better that diameter is not more than 0.1 millimeter to 3 millimeters sand grains Ex-all effect, and the Ex-all rate can reach 50% to 80%.This is to have at present the effect that oil field shaft mouth can't be realized with desanding device now.
Claims (10)
1. an oil field shaft mouth high-efficiency swirl-type desander is characterized in that comprising cylindrical shell, unloads sand device, sediment outflow cylinder and diversion rod; Left end and right-hand member at cylindrical shell have respectively inlet and liquid outlet; In cylindrical shell, be installed with the sediment outflow cylinder, in the sediment outflow cylinder, diversion rod is installed, be fixed with helical blade at diversion rod, between helical blade and sediment outflow cylinder, form the liquor charging passage, be distributed with on the barrel of the sediment outflow cylinder corresponding with the liquor charging passage and the sediment outflow slotted hole of helical blade with rotation direction, the groove of annular is arranged on the cylindrical shell corresponding with the sediment outflow cylinder and form the sediment outflow cavity, right part downside at cylindrical shell has the intercommunicating pore that communicates with the sediment outflow cavity, and the cylindrical shell lower end corresponding with intercommunicating pore is fixedly connected with unloads the sand device; The sediment outflow cavity is the cone-shaped cavity that both sides are outer narrow inner width centered by intercommunicating pore.
2. oil field shaft mouth according to claim 1 high-efficiency swirl-type desander is characterized in that the turnover axial direction of sediment outflow slotted hole is parallel with the tangent line of the inwall of cylindrical shell.
3. oil field shaft mouth according to claim 1 and 2 high-efficiency swirl-type desander, the axial length that it is characterized in that the sediment outflow slotted hole is 25 millimeters to 30 millimeters; The radial width of sediment outflow slotted hole is 3 millimeters to 5 millimeters; The rotation pitch of sediment outflow slotted hole is 40 millimeters to 80 millimeters.
4. oil field shaft mouth according to claim 3 high-efficiency swirl-type desander, the axial length that it is characterized in that the sediment outflow slotted hole is 28 millimeters; The radial width of sediment outflow slotted hole is 4 millimeters; The rotation pitch of sediment outflow slotted hole is 60 millimeters.
5. oil field shaft mouth according to claim 1 and 2 high-efficiency swirl-type desander is characterized in that unloading the sand device and comprises valve body, sand setting body, mounting flange and plug; The lower end of the cylindrical shell corresponding with intercommunicating pore fixedly is communicated with valve body and sand setting body successively by adpting flange from top to bottom, is installed with mounting flange in the bottom of sand setting body, and fixed installation is useful on the plug with the shutoff of sand setting body in mounting flange.
6. according to claim 3 or 4 described oil field shaft mouth high-efficiency swirl-type desanders, it is characterized in that unloading the sand device and comprise valve body, sand setting body, mounting flange and plug; The lower end of the cylindrical shell corresponding with intercommunicating pore fixedly is communicated with valve body and sand setting body successively by adpting flange from top to bottom, is installed with mounting flange in the bottom of sand setting body, and fixed installation is useful on the plug with the shutoff of sand setting body in mounting flange.
7. the upper end, left side that according to claim 1 and 2 or 3 or 4 or 5 described oil field shaft mouth high-efficiency swirl-type desanders, it is characterized in that cylindrical shell is installed with needle-valve and pressure meter and communicates with the inside of sediment outflow cavity; Be installed with needle-valve and pressure meter on the top of sand setting body and communicate with sand setting body inside.
8. oil field shaft mouth according to claim 6 high-efficiency swirl-type desander, the upper end, left side that it is characterized in that cylindrical shell are installed with needle-valve and pressure meter and communicate with the inside of sediment outflow cavity; Be installed with needle-valve and pressure meter on the top of sand setting body and communicate with sand setting body inside.
9. according to claim 1 and 2 or 3 or 4 or 5 or 6 or 7 or 8 described oil field shaft mouth high-efficiency swirl-type desanders, it is characterized in that there is support the lower right of cylindrical shell, be installed with outlet(discharge) flange in the upper end of support and communicate with the inside of sediment outflow cylinder; Left side and right hand external at outlet(discharge) flange have respectively annular flange boss, are fixed together by connecting screw rod and attaching nut between the flange boss in left side and the cylindrical shell; Circle distribution has connecting through hole on the flange boss on right side, is separately installed with connecting screw rod and two attaching nuts in connecting through hole; Left end circle distribution at cylindrical shell has screwed hole, is installed with respectively connecting screw rod and attaching nut by screw thread in screwed hole.
10. oil field shaft mouth according to claim 9 high-efficiency swirl-type desander is characterized in that being installed with sealing ring between outlet(discharge) flange and the cylindrical shell, is installed with respectively sealing ring between the both sides of sediment outflow cylinder and cylindrical shell; Be installed with sealing ring between the lower end of mounting flange and sand setting body, adpting flange is installed with sealing ring respectively and between the upper end of the lower end of cylindrical shell and sand setting body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220331959 CN202645529U (en) | 2012-07-10 | 2012-07-10 | Efficient spiral-flow type grit separator used for oilfield wellhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220331959 CN202645529U (en) | 2012-07-10 | 2012-07-10 | Efficient spiral-flow type grit separator used for oilfield wellhead |
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| Publication Number | Publication Date |
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| CN202645529U true CN202645529U (en) | 2013-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220331959 Expired - Lifetime CN202645529U (en) | 2012-07-10 | 2012-07-10 | Efficient spiral-flow type grit separator used for oilfield wellhead |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716604A (en) * | 2012-07-10 | 2012-10-10 | 望安辉 | High-efficiency spiral-flow type sand remover for oil field wellhead |
| CN103615229A (en) * | 2013-11-29 | 2014-03-05 | 中国石油集团西部钻探工程有限公司 | Well test belt pressing dust catcher |
| CN110735626A (en) * | 2018-07-19 | 2020-01-31 | 中石化洛阳工程有限公司 | pipeline type natural gas sand removing device |
-
2012
- 2012-07-10 CN CN 201220331959 patent/CN202645529U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716604A (en) * | 2012-07-10 | 2012-10-10 | 望安辉 | High-efficiency spiral-flow type sand remover for oil field wellhead |
| CN102716604B (en) * | 2012-07-10 | 2014-07-16 | 望安辉 | High-efficiency spiral-flow type sand remover for oil field wellhead |
| CN103615229A (en) * | 2013-11-29 | 2014-03-05 | 中国石油集团西部钻探工程有限公司 | Well test belt pressing dust catcher |
| CN103615229B (en) * | 2013-11-29 | 2016-06-29 | 中国石油集团西部钻探工程有限公司 | Formation testing is with pressure catches bits device |
| CN110735626A (en) * | 2018-07-19 | 2020-01-31 | 中石化洛阳工程有限公司 | pipeline type natural gas sand removing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130102 Effective date of abandoning: 20140716 |
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| RGAV | Abandon patent right to avoid regrant |