CN204646210U - Fast-open type natural gas line desander - Google Patents
Fast-open type natural gas line desander Download PDFInfo
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- CN204646210U CN204646210U CN201520147236.8U CN201520147236U CN204646210U CN 204646210 U CN204646210 U CN 204646210U CN 201520147236 U CN201520147236 U CN 201520147236U CN 204646210 U CN204646210 U CN 204646210U
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Abstract
The utility model proposes a kind of fast-open type natural gas line desander, it is primarily of the cylindrical shell being installed on frame, be fitted to the guide rail of cylindrical shell, sand screen, fast-assembling blind plate and one group of fast-assembling coupling assembling are formed, its design feature is: embrace connection fast-assembling blind plate in cylinder back-end setting by one group of fast-assembling coupling assembling hoop and form fast-assembling on-off structure, described fast-assembling on-off structure is that the ramp structure that utilizes inner groove to arrange forms clamping force to the flange of fast-assembling blind plate and the hoop that is fixed is embraced and is connected to cylinder back-end face and forms closed structure, the dismounting fast-assembling coupling assembling that only need looser a bolt can be opened cylindrical shell fast and carry out sand removal and the operation that changes the outfit.Shows through on probation: the utility model has that structure is simple, manufacturing cost is low, open operation is convenient and swift really, laborsavingly save time, shorten sand removal changes the outfit activity duration and reduce the outstanding advantages of labour intensity, has good popularizing application prospect in petrochemical industry.
Description
Technical field
The utility model relates to a kind of fast-open type natural gas line desander, belong to the ancillary service supporting with natural gas extraction operation, it can be clean by the complete filtering of pottery mud sand grains gathering ejection together in natural gas, effectively can avoid pottery mud sand hard particles wearing and tearing gas pipeline facility, have certain effect to the working life extending gas transmission equipment.
Background technology
Up to now, in natural gas, shale gas field drilling operation course, need the special pottery mud sand adding some in gas well, its objective is: utilize hard pottery mud sand hard particles to stop the aerogenesis stone cleft in gas well to occur closed lifting gas-field exploitation ability to be had to the technique effect of highly significant.But, when entering normal gas production operation in gas field, this pottery mud sand retained in gas well can bring certain negative effect to natural gas or stone rock gas mining operations, in gas production operation process, always have some pottery mud sand hard particles spray with the natural gas gathered or Shi Yanqi and enter in gas pipeline together, owing to making pottery, mud sand hard particles case hardness is high and expolasm is sharp, it can to tube wall cause certain scuffing abrasive action in high speed motions with natural gas or Shi Yanqi in gas pipeline, particularly when collection pressure is high-pressure natural gas or the gas operation of stone rock of more than 20MPa, the destruction that it causes gas line network equipment is by even more serious.In order to address this problem; the present inventor once proposed on July 24th, 2013 patented technology that a kind of name is called " duct type filtration desander " (ZL201320443087.0); " pipeline desander " product utilizing this technical scheme to manufacture is promoted the use of in some petrochemical iy produced enterprises; it can be clean by the whole filtering of pottery mud sand hard particles in natural gas, played important function to protection gas pipeline equipment.But, we also find in tracking of products investigation and follow-up research and development: this " pipeline desander " product still exists some familiar lacunas in actual motion: it is in desanding process, due to filter except the pottery mud sand quantity that sandpipe inner product is tired increase gradually after can increase vapour lock and affect and filter desanding operation, need periodically to take out in outer tube housing to filter and remove the operation that sandpipe carries out removing pottery mud sand, and then again equippedly carry out filtration desanding operation, the sealing blind dismantling outer tube housing rear end continually is all needed when taking out and equipped filtration removes sandpipe again.To be objective, the operation of this frequent dismounting, refitting sealing blind is that time-consuming, labour intensity is large really, and workman is unwilling pole to operate and produces and larger be weary of resentment, has a strong impact on the job enthusiasm of workman and reduces production operation efficiency.Trace it to its cause be existing " pipeline desander " also scientific and reasonable not to the utmost in sealing blind structure design caused by, this is also that existing " pipeline desander " also requires further improvement and perfect place, and the utility model is wanted to continue to address this problem just.
Utility model content
The purpose of this utility model is intended to overcome prior art above shortcomings part and propose a kind of fast-open type natural gas line desander, it can carry out opening and closing operation to cylindrical shell light and fast, be convenient to the operation task that taking-up sand screen carries out sand removal and re-assemblies especially, greatly can alleviate labor strength and significantly shorten the activity duration of sand screen of changing the outfit, to improving desanding working environment further, enhancing productivity has positive effect.
The purpose of this utility model is achieved by the following technical solution:
A kind of fast-open type natural gas line desander that the utility model proposes, it comprises the cylindrical shell being installed on frame, be connected and installed in the tubular type front head plate of cylindrical shell, escape pipe, be fitted to the guide rail of cylinder inboard wall and be configured at the sand screen of guide rail, the inner face of tubular type front head plate be provided with sand screen before the pipe rank of pipe end adaptation form sleeve type pipe connecting structure, the tube wall of sand screen arranges one group and filters cylindrical void, it is characterized in that: be fitted with fast-assembling blind plate in the rear end of cylindrical shell, described fast-assembling blind plate is embraced by one group of fast-assembling coupling assembling hoop and is connected and installed in cylinder back-end face and forms fast-assembling on-off structure.Its design feature is: arrange one group of hoop at cylinder back-end and embrace the fast-assembling coupling assembling formation fast-assembling on-off structure connecting blind plate, inclined-plane close-fitting hoop is set at the inner groove of coupling assembling and embraces structure, fast-assembling blind plate firm grip hoop can be embraced and be fitted to cylinder back-end face composition hermetically-sealed construction, only need dismantle coupling assembling and can open cylindrical shell easily fast and carry out sand removal and the operation that changes the outfit.Show through on probation: convenient to operation, the laborsaving advantage saving time, alleviate workman's amount of labour that it has, and structure is simple, the sand removal of unlatching cylindrical shell changes the outfit, has good application prospect in petrochemical industry.
Furthermore, the utility model also has following technical characteristic:
The quantity of one group of fast-assembling coupling assembling is 2-3, and one group of described fast-assembling coupling assembling embraces adpting flange in cylinder back-end and fast-assembling blind plate by bolt connecting hoop.This structure design is convenient to the operation carried out quick-detachment to the fast-assembling blind plate of cylinder back-end and re-assembly especially, can complete the sand removal to sand screen and assembling operation fast.
The adpting flange place of cylinder back-end and fast-assembling blind plate is provided with the inclined-plane close-fitting hoop suitable with fast-assembling coupling assembling inner groove and embraces structure.It utilizes ramp structure to bind round the adpting flange embracing clamping fast-assembling blind plate, has positive effect to the sealing performance of raising fast-assembling blind plate to cylindrical shell.
The cooperation position place of cylinder back-end face and fast-assembling blind plate is provided with sealing ring.This structure design also can improve the sealing performance of fast-assembling blind plate to cylindrical shell further.
Cylindrical shell is fitted with safety air release valve, tubular type front head plate, escape pipe are fitted with input pressure change respectively send the change of interface, output pressure to send interface, becomes send the change of interface, output pressure to send interface equipped input pressure table, delivery gauge respectively at input pressure.This design is convenient to pressure changing in observation machine especially, dynamically grasps equipment operation condition and then the accurate filtration resistance understood in sand screen, can carry out the operation of sand removal and the sand screen that changes the outfit when output pressure is reduced to setup pressure value.
The utility model compared with the existing technology tool has the following advantages:
The utility model has been initiated and has been arranged at the cylinder back-end of pipeline desander the fast-assembling on-off structure being embraced connection by one group of fast-assembling coupling assembling bail, the inner groove of fast-assembling coupling assembling is provided with the close-fitting hoop suitable with fast-assembling blank flange inclined-plane and embraces structure, fast-assembling blind plate firm grip hoop can be embraced and be fitted to cylinder back-end face, can realize opening cylindrical shell fast conveniently by dismounting coupling assembling and sand removal is carried out and the goal of the invention of the operation that changes the outfit to sand filtering barrel, in addition, its inclined-plane close-fitting hoop is embraced structure and also greatly can be improved the sealing performance of fast-assembling blind plate to cylindrical shell.The utility model shows through on probation: it has really, and structure is simple, manufacturing cost is low, open cylindrical shell sand removal changes the outfit convenient to operation, the laborsaving outstanding advantages saving time, reduce labor strength, has obvious technique effect to improving desanding working environment further, shortening the sand removal activity duration and improving desanding operating efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model, and also make an abstract accompanying drawing.Be illustrated in cylinder back-end and embraced the structural representation connecting fast-assembling blind plate by one group of fast-assembling coupling assembling hoop.
Fig. 2 be Fig. 1 A-A view, be illustrated in the structural representation guide rail in cylindrical shell configuring sand screen.
Fig. 3 is B-B view (amplification) of Fig. 1, shows the connecting assembling structure schematic diagram of one group of fast-assembling coupling assembling.
Description of symbols in accompanying drawing:
1 is tubular type front head plate, and 2 is input pressure table, and 3 is pipe rank, and 4 is cylindrical shell, 5 is sand screen, and 6 are one group filters cylindrical void, and 7 is safety air release valve, and 8 is bolt, 9 is one group of fast-assembling coupling assembling, and 10 is sealing ring, and 11 is fast-assembling blind plate, 12 is cylinder chamber, and 13 embrace structure for inclined-plane close-fitting hoop, and 14 is escape pipe, 15 is delivery gauge, and 16 is guide rail, and 17 is frame, 18 is arrow, and b1 is that interface is sent in input pressure change, and b2 is that interface is sent in output pressure change.
Detailed description of the invention
Embodiment of the present utility model is further described below in conjunction with accompanying drawing:
A kind of fast-open type natural gas line desander, it is primarily of the cylindrical shell 4 being installed on frame 17, be fitted to the tubular type front head plate 1 of cylindrical shell 4, escape pipe 14, guide rail 16, sand screen 5, fast-assembling blind plate 11 and one group of fast-assembling coupling assembling 9 are formed, described tubular type front head plate 1 is fixedly connected with the inlet end being installed on cylindrical shell 4, tubular type front head plate 1 arranges input pressure change send interface b1 place to be equipped with input pressure table 2, escape pipe 14 is connected and installed on the rear side wall body of cylindrical shell 4, arranging output pressure change at escape pipe 14 send interface b2 place to be equipped with delivery gauge 15, cylindrical shell 4 is fitted with the safety air release valve 7 communicated with cylinder chamber 12, symmetrical installation two guide rails 16 in cylindrical shell 4, sand screen 5 is configured at also can along guide rail 16 slippage on guide rail 16, the inner face of tubular type front head plate 1 be provided with sand screen 5 before the pipe rank 3 of pipe end adaptation form sleeve type pipe connecting structure, on the tube wall of sand screen 5 uniform arrange one group filter cylindrical void 6, fast-assembling blind plate 11 is fitted with in the rear end of cylindrical shell 4, described fast-assembling blind plate 11 is that two fast-assembling coupling assembling 9 bails be fastenedly connected by bolt 8 are embraced and are connected and installed in cylindrical shell 4 rear end face and formed " fast-assembling on-off structure ", the cooperation position place of cylindrical shell 4 rear end face and fast-assembling blind plate 11 is provided with sealing ring 10, greatly can improve the sealing performance of fast-assembling blind plate 11 pairs of cylindrical shells 4, the adpting flange place of cylindrical shell 4 rear end and fast-assembling blind plate 11 is provided with the inclined-plane close-fitting hoop suitable with fast-assembling coupling assembling 9 inner groove and embraces structure 13, when tighten or looser a bolt 8 time, the effect that structure 13 pairs of fast-assembling blind plates 11 form banding or open is embraced by inclined-plane close-fitting hoop, fast-assembling blind plate 11 can be dismantled in light and fast ground, so far, can realize opening cylindrical shell 4 pairs of sand screens 5 fast and carry out sand removal and the goal of the invention of the operation that changes the outfit.
It is performed such installation and desanding operation: to be first positioned over by sand screen 5 on two guide rails 16 in cylindrical shell 4 and inwardly to pass along guide rail 16, make the front pipe end of sand screen 5 be set in tubular type front head plate 1 inner face pipe rank 3 on form sleeve type pipe connecting structure, fast-assembling blind plate 11 is close to cylindrical shell 4 rear end face, embrace the adpting flange in cylindrical shell 4 rear end and fast-assembling blind plate 11 with two fast-assembling coupling assembling 9 bails and tight a bolt 8, the inclined-plane close-fitting hoop of fast-assembling coupling assembling 9 inner groove can be made to embrace structure 13 clamp fast-assembling blind plate 11 clips and embrace and be connected to cylindrical shell 4 rear end face and form hermetically-sealed construction, finally, the appendix gathering natural gas is fixedly connected on the tubular type front head plate 1 of cylindrical shell 4 front end, so far namely fitting operation is completed.After conscientiously checking that confirmation is errorless, can open the main valve on appendix by the natural gas of collection input sand screen 5 in carry out desanding operation: from gas well collection ejection natural gas by as shown in arrow 18, enter in sand screen 5 by appendix through tubular type front head plate 1, because ceramic sand particle does not filter cylindrical void 6 by one group of sand screen 5, at this moment, the ceramic sand particle mixed in natural gas will be all barred from sand screen 5, and natural gas gas can successfully enter in a chamber 12 through one group of filtration cylindrical void 6 of sand screen 5, pure natural gas gas can be exported for subsequent treatment and transhipment storage operation to downstream tube section by escape pipe 14.So far, can complete and desanding operation is carried out to natural gas, when after the desanding running job of regular period, along be filtered in sand screen 5 stop accumulation ceramic sand grains be increased to some time, the filtration resistance of sand screen 5 can be made to increase and output pressure is declined, operating personnel can by input pressure table 2, delivery gauge 15 is seen pressure change and then is dynamically understood the operation conditions of fast-open type natural gas line desander and the situation of change of filtration resistance, when air pressure shown on delivery gauge 15 is reduced to the force value set by operational procedure, sand removal can be carried out as follows to change the outfit operation: the main valve on appendix or when opening bypass line and temporarily maintaining operation, after opening safety air release valve 7 release of pressure, only need looser a bolt 8 dismounting fast-assembling coupling assemblings 9, namely cylindrical shell 4 opened by quick release fast-assembling blind plate 11, extract sand screen 5 again out to carry out toppling over sand removal operation, after sand removal operation, carry out in a manner described again re-assemblying operation, desanding operation can be filtered by fast quick-recovery after errorless on inspection.Arrive this, can ideally realize the utility model open fast natural gas line desander carry out sand removal and change the outfit operation goal of the invention.Show through on probation: it has really, and open operation convenient and swiftly, laborsaving saves time, the advantage of the desanding working environment that reduces labor intensity, improves, shortening sand removal is changed the outfit activity duration and improve desanding operating efficiency and have positive effect.
Claims (5)
1. a fast-open type natural gas line desander, it comprises the cylindrical shell (4) being installed on frame (17), be connected and installed in the tubular type front head plate (1) of cylindrical shell (4), escape pipe (14), be fitted to the guide rail (16) of cylindrical shell (4) inwall and be configured at the sand screen (5) of guide rail (16), be provided with at the inner face of tubular type front head plate (1) and form sleeve type pipe connecting structure with the pipe rank (3) of the front pipe end adaptation of sand screen (5), the tube wall of sand screen (5) arranges one group and filters cylindrical void (6), it is characterized in that: be fitted with fast-assembling blind plate (11) in the rear end of cylindrical shell (4), described fast-assembling blind plate (11) is connected and installed in cylindrical shell (4) rear end face by one group of fast-assembling coupling assembling (9) hoop armful and forms fast-assembling on-off structure.
2. fast-open type natural gas line desander according to claim 1, it is characterized in that: the quantity of one group of fast-assembling coupling assembling (9) is 2-3, one group of described fast-assembling coupling assembling (9) embraces adpting flange in cylindrical shell (4) rear end and fast-assembling blind plate (11) by bolt (8) connecting hoop.
3. fast-open type natural gas line desander according to claim 1 and 2, is characterized in that: the adpting flange place of cylindrical shell (4) rear end and fast-assembling blind plate (11) is provided with the inclined-plane close-fitting hoop suitable with fast-assembling coupling assembling (9) inner groove and embraces structure (13).
4. fast-open type natural gas line desander according to claim 1 and 2, is characterized in that: the cooperation position place of cylindrical shell (4) rear end face and fast-assembling blind plate (11) is provided with sealing ring (10).
5. fast-open type natural gas line desander according to claim 1 and 2, it is characterized in that: on cylindrical shell (4), be fitted with safety air release valve (7), tubular type front head plate (1), escape pipe (14) are fitted with input pressure change respectively send the change of interface (b1), output pressure to send interface (b2), becomes send the change of interface (b1), output pressure to send interface (b2) place equipped input pressure table (2), delivery gauge (15) respectively at input pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520147236.8U CN204646210U (en) | 2015-03-16 | 2015-03-16 | Fast-open type natural gas line desander |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520147236.8U CN204646210U (en) | 2015-03-16 | 2015-03-16 | Fast-open type natural gas line desander |
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| Publication Number | Publication Date |
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| CN204646210U true CN204646210U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520147236.8U Active CN204646210U (en) | 2015-03-16 | 2015-03-16 | Fast-open type natural gas line desander |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735628A (en) * | 2018-07-19 | 2020-01-31 | 中石化广州工程有限公司 | full-bore pipeline type sand removing device |
| CN117489321A (en) * | 2023-12-29 | 2024-02-02 | 四川派盛通石油工程技术有限公司 | Wellhead chip catcher sledge |
-
2015
- 2015-03-16 CN CN201520147236.8U patent/CN204646210U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110735628A (en) * | 2018-07-19 | 2020-01-31 | 中石化广州工程有限公司 | full-bore pipeline type sand removing device |
| CN117489321A (en) * | 2023-12-29 | 2024-02-02 | 四川派盛通石油工程技术有限公司 | Wellhead chip catcher sledge |
| CN117489321B (en) * | 2023-12-29 | 2024-04-09 | 四川派盛通石油工程技术有限公司 | Wellhead chip catcher sledge |
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