CN208330260U - Degreasing unit - Google Patents
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- CN208330260U CN208330260U CN201820696422.0U CN201820696422U CN208330260U CN 208330260 U CN208330260 U CN 208330260U CN 201820696422 U CN201820696422 U CN 201820696422U CN 208330260 U CN208330260 U CN 208330260U
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Abstract
The utility model discloses a kind of degreasing units, belong to oil/gas well well workover technology field.The degreasing unit includes: disk in load-bearing, top connection, self-sealing rubber core, outer cylinder and lower contact.The degreasing unit is fixed on wellhead blowout preventor by the utility model by the second end of lower contact, and when acting the well workover pipe string across the degreasing unit, the inner wall of self-sealing rubber core and the outer wall of well workover pipe string are formed and sealed.At this time, steam can be pumped into the degreasing unit along at least one second venthole, to rinse and soften the pollutants such as the crude oil on well workover pipe string, sewage or greasy dirt after flushing etc. can be in the effects of striking off of self-sealing rubber core, and the degreasing unit is discharged along first through hole under the gravity of itself, to realize the removal operation to well workover pipe string.The pollutants such as the crude oil of absorption are taken and be dropped in out of well site in this way, avoiding well workover pipe string, cause the pollution of well site environment and surrounding body.
Description
Technical field
The utility model relates to oil/gas well well workover technology field, in particular to a kind of degreasing unit.
Background technique
In the development process of oil gas field, oil/gas well in oil gas field inevitably various failures,
At this point, the normal exploitation in order to guarantee oil gas field, need in oil/gas well tripping in well workover pipe string to carry out well workover.And in well workover
Cheng Zhong, the crude oil in oil/gas well are easily absorbing the outer wall in well workover pipe string, in this way, completing well workover and acting well workover pipe string
When, it is likely that it takes crude oil out of oil/gas well, and then is dropped in the well site of oil/gas well, dirt is caused to well site environment and surrounding body
Dye.
Currently, the crude oil pollution well site taken out of in order to avoid well workover pipe string and surrounding body, main by being laid with antiseepage cloth
With take cofferdam mode, carry out passively prevention and cure of pollution.However, carrying out prevention and cure of pollution in this way, not only input cost is high,
But also the solid pollutants such as additional antiseepage cloth can be brought.Therefore, a kind of degreasing unit is needed.
Utility model content
The utility model provides a kind of degreasing unit, which can be to the well workover pipe string for completing to rise out after well workover
Removal operation is carried out, the problem of the crude oil pollution well site environment and surrounding body taken out of to avoid well workover pipe string.The technical side
Case is as follows:
In a first aspect, provide a kind of degreasing unit, the degreasing unit includes: disk in load-bearing, top connection, from sealing
Core, outer cylinder and lower contact；
Disk is fixedly connected with the first end of the top connection in the load-bearing, the first end of the outer cylinder and the top connection
Second end be fixedly connected, the second end of the outer cylinder is fixedly connected with the first end of the lower contact, the of the lower contact
Two ends with the wellhead blowout preventor of oil well for being fixedly connected；
It is provided with first through hole and at least one second through-hole on the outer cylinder, it is each at least one described second through-hole
Second through-hole is respectively positioned on the top of the first through hole；
The self-sealing rubber core is in hollow structure, and the first end of the self-sealing rubber core is provided with and turns edge outside, described to turn edge outside
In the load-bearing between disk and the top connection, the second end of the self-sealing rubber core is located in the outer cylinder, and it is described from
The inner wall of sealing core with pass through disk in the load-bearing, the top connection, the self-sealing rubber core, the outer cylinder and the lower contact
The outer wall of well workover pipe string forms sealing.
Optionally, the degreasing unit further includes inner cylinder；
The first end of the inner cylinder is fixedly connected with the second end of the top connection, the second end of the inner cylinder and it is described under
The first end of connector is fixedly connected, and annular space is provided between the inner cylinder and the outer cylinder, multiple expansions are provided on the inner cylinder
Dissipate hole.
Optionally, the degreasing unit further includes sewage pipe and at least one air inlet pipe；
The sewage pipe and the first through hole are tightly connected, at least one described air inlet pipe and it is described at least one second
Through-hole corresponds, and is tightly connected.
Optionally, the degreasing unit further includes sealing structure；
It is respectively provided between the sewage pipe and the first through hole and between each air inlet pipe and corresponding second through-hole
There is the sealing structure.
Optionally, the first through hole corresponding position is provided with third through-hole on the inner cylinder, the sewage pipe passes through
The first through hole is fixedly connected with the third through-hole.
Optionally, the inner wall of the outer cylinder and be located at each second through-hole position be provided with spray head.
Optionally, the first end face of the top connection is provided with the first circumferential groove, described to turn edge outside positioned at described first
In circumferential groove, the depth of first circumferential groove is less than the outer thickness to turn edge.
Optionally, the end face of the one end connecting on disk with the top connection in the load-bearing is provided with the second circumferential groove,
It turns edge in second circumferential groove outside described, the depth of second circumferential groove is less than the outer thickness to turn edge.
Optionally, the degreasing unit further includes ring gasket, the ring gasket be used for the lower contact with it is described
Connection between wellhead blowout preventor is sealed.
Technical solution bring beneficial effect provided by the utility model at least may include:
The degreasing unit is fixed on wellhead blowout preventor by the utility model by the second end of lower contact, rise repair
When well casing column passes through the degreasing unit, the inner wall of self-sealing rubber core and the outer wall of well workover pipe string are formed and are sealed.At this point it is possible to along at least
One the second venthole is pumped into steam into the degreasing unit, to rinse and soften the pollutants such as the crude oil on well workover pipe string, punching
Sewage or greasy dirt after washing etc. can be discharged under the effect of striking off of self-sealing rubber core and the gravity of itself along first through hole
The degreasing unit, to realize the removal operation to well workover pipe string.Crude oil of absorption etc. is polluted in this way, avoiding well workover pipe string
Well site is taken and be dropped in object out of, causes the pollution of well site environment and surrounding body.
Detailed description of the invention
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of structural schematic diagram of degreasing unit provided by the embodiment of the utility model；
Fig. 2 is a kind of structural schematic diagram of degreasing unit provided by the embodiment of the utility model；
Fig. 3 is a kind of structural schematic diagram of degreasing unit provided by the embodiment of the utility model；
Fig. 4 is a kind of structural schematic diagram of degreasing unit provided by the embodiment of the utility model；
Fig. 5 is a kind of structural schematic diagram of degreasing unit provided by the embodiment of the utility model；
Fig. 6 is a kind of structural schematic diagram of sealing structure provided by the embodiment of the utility model；
Fig. 7 is a kind of structural schematic diagram of degreasing unit provided by the embodiment of the utility model；
Fig. 8 is a kind of structural schematic diagram of degreasing unit provided by the embodiment of the utility model.
Appended drawing reference:
01: disk in load-bearing；02: top connection；03: self-sealing rubber core；04: outer cylinder；05: lower contact；06: inner cylinder；07: blowdown
Pipe；08: air inlet pipe；09: sealing structure；10: spray head；11: ring gasket；12: stud；
011: the second circumferential groove；021: the first circumferential groove；031: turning edge outside；041: first through hole；042: the second is logical
Hole；061: diffusion hole；062: third through-hole；091: gasket；092: seal gasket；093: clamping nut.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Fig. 1 is a kind of structural schematic diagram of degreasing unit provided by the embodiment of the utility model.Referring to Fig. 1, oil removing dress
Set includes: disk 01 in load-bearing, top connection 02, self-sealing rubber core 03, outer cylinder 04 and lower contact 05.Disk 01 and top connection 02 in load-bearing
First end is fixedly connected, and the first end of outer cylinder 04 is fixedly connected with the second end of top connection 02, and the second end of outer cylinder 04 connects under
First 05 first end is fixedly connected, and the second end of lower contact 05 with the wellhead blowout preventor of oil well for being fixedly connected.On outer cylinder 04
It is provided with first through hole 041 and at least one second through-hole 042, each second through-hole 042 is equal at least one second through-hole 042
Positioned at the top of first through hole 041.Self-sealing rubber core 03 is in hollow structure, and the first end of self-sealing rubber core 03 is provided with outer turn edge
031, turn edge outside 031 be located at load-bearing between disk 01 and top connection 02, the second end of self-sealing rubber core 03 is located in outer cylinder 04, and oneself
The inner wall of sealing core 03 can with pass through load-bearing on disk 01, top connection 02, the well workover of self-sealing rubber core 03, outer cylinder 04 and lower contact 05
The outer wall of tubing string forms sealing.
Wherein, referring to fig. 2, it can be fixedly connected by stud 12 between disk 01 and top connection 02 in load-bearing.
Certainly, it can also be fixedly connected by other means between disk 01 and top connection 02 in load-bearing, for example, clip can be passed through
It is fixedly connected.Since self-sealing rubber core 03 has compressibility, disk 01 is fixedly connected with top connection 02 in load-bearing
When, the outer 031 generation elastic deformation that turns edge can be promoted, to realize the sealing in load-bearing between disk 01 and top connection 02.
It should be noted that when carrying out removal operation to the well workover pipe string for playing producing well by the degreasing unit, due to
The inner wall of self-sealing rubber core 03 and the outer wall of well workover pipe string are in sealing contact, in this way, during well workover pipe string plays producing well, it is self-styled
Glue core 03 can also strike off the sewage adsorbed on well workover pipe string or greasy dirt etc., avoid well workover pipe string by the sewage or greasy dirt after flushing
Etc. taking oil/gas well out of.Wherein, self-sealing rubber core 03 can be with cylindrical structure.Certainly, referring to Fig. 1, self-sealing rubber core 03 can also be in
Round-like structure, the big one end of 03 top external diameter of self-sealing rubber core can be set it is outer turn edge 031, the small one end of 03 top external diameter of self-sealing rubber core
It can be located in outer cylinder 04.Well workover pipe string rise speed can be not more than 0.15 meter per second.In the well workover pipe string progress to rising out
When removal operation, steam can be pumped into the degreasing unit by Boiler Steam vehicle, it is of course also possible to pass through steam clean vehicle
Steam is pumped into the degreasing unit, the utility model embodiment does not limit this.
It further, referring to fig. 2, can also be in order to guarantee the sealing effect in load-bearing between disk 01 and top connection 02
Ring gasket 11 is set between disk 01 and top connection 02 in load-bearing.For example, ring gasket 11 can be set turn edge outside 031
Between biend and the first end face of top connection 02, also can be set turn edge outside 031 first end face and load-bearing on disk 01
Between second end face, it is, of course, also possible to be arranged in load-bearing between the second end face of disk 01 and the first end face of top connection 02, only
It wants to guarantee the sealing effect in load-bearing between disk 01 and top connection 02.
It wherein, can be by welding between outer cylinder 04 and top connection 02 and between outer cylinder 04 and lower contact 05
It is fixedly connected, the mode that can also be connected through a screw thread is fixedly connected.Certainly, outer cylinder 04, top connection 02 and under connect
First 05 can design for integral type, and the utility model embodiment does not limit this.
Wherein, when being provided with multiple second through-holes 042 on outer cylinder 04, multiple second through-holes 042 can in the shape of a spiral and
Even distribution.Certainly, multiple second through-holes 042 can also be otherwise distributed, for example, multiple second through-holes 042 can be located at
It sustained height and is uniformly distributed.
In the utility model embodiment, the degreasing unit is fixed on wellhead blowout preventor by the second end of lower contact,
When acting the well workover pipe string across the degreasing unit, the inner wall of self-sealing rubber core and the outer wall of well workover pipe string are formed and are sealed.At this point,
It can be along the steam that at least one the second venthole is pumped into the degreasing unit, to rinse and soften the crude oil on well workover pipe string
Equal pollutants, sewage or greasy dirt after flushing etc. can be in the effects of striking off and the gravity lower edge of itself of self-sealing rubber core
The degreasing unit is discharged in first through hole, to realize the removal operation to well workover pipe string.In this way, avoiding well workover pipe string will adsorb
The pollutants such as crude oil take and be dropped in well site out of, cause the pollution of well site environment and surrounding body, it is thus also avoided that anti-because using
The increased economic costs such as cloth are seeped, the generation of solid pollutant is reduced.
Referring to Fig. 3, when self-sealing rubber core 03 to be fixed in load-bearing between disk 01 and top connection 02, in order to avoid from sealing
Core 03 glances off, so that the sealing effect between the inner wall of self-sealing rubber core 03 and the outer wall of well workover pipe string is reduced, top connection 02
First end face the first circumferential groove 021 can be set.In this way, can be by the first circumferential groove 021 to self-sealing rubber core 03
It is positioned, so that self-sealing rubber core 03 be avoided skewness occur.Outer turn edge of self-sealing rubber core 03 031 is being placed in the first circumference
After in groove 021, after guaranteeing that disk 01 is fixedly connected with top connection 02 in load-bearing, it can squeeze and promote outer 031 hair that turns edge
Raw deformation, the depth of the first circumferential groove 021 can be less than turn edge outside 031 thickness.
Certainly, referring to fig. 4, the second circumference has can be set in the end face of the one end connecting on disk 01 with top connection 02 in load-bearing
Groove 011, turn edge outside 031 can be located at the second circumferential groove 011 in, to be positioned to self-sealing rubber core 03.Second circumference is recessed
The depth of slot 011 can be less than 031 thickness of turning edge outside can squeeze after disk 01 is fixedly connected with top connection 02 in load-bearing
It presses and promotes outer to turn edge 031 deformation occurs.
Referring to Fig. 3 or Fig. 4, when the second end by lower contact 05 is fixedly connected with wellhead blowout preventor, in order to avoid under
It is leaked between connector 05 and wellhead blowout preventor, it can also be by the way that ring gasket be arranged between lower contact 05 and wellhead blowout preventor
11 realize sealing.Certainly, sealing, the utility model can also be realized between lower contact 05 and wellhead blowout preventor by other means
Embodiment does not limit this.
It should be noted that when ring gasket 11 is set between lower contact 05 and wellhead blowout preventor, in order to avoid sealing
There is deflection in steel ring 11, influences the sealing effect between lower contact 05 and wellhead blowout preventor, and the second end face of lower contact 05 may be used also
With setting and the matched sealed groove of ring gasket 11, to be positioned by sealed groove to ring gasket 11.
It is being pumped into steam into the degreasing unit along at least one second through-hole 042, and is being concentrated back at first through hole 041
When receiving sewage, in order to facilitate steam be pumped into and the centralized recovery of sewage, referring to Fig. 5, which can also include row
Dirty pipe 07 and at least one air inlet pipe 08, sewage pipe 07 and first through hole 041 are tightly connected, at least one air inlet pipe 08 and at least
One the second through-hole 042 corresponds, and is tightly connected.In this way, steam can be pumped into the degreasing unit along each air inlet pipe 08,
It rinses and softens the pollutant on well workover pipe string, sewage or greasy dirt after flushing etc. can be discharged along sewage pipe 07, to be collected
Middle recycling facilitates the operation of operator, improves the oil removal efficiency of well workover pipe string.
Referring to Fig. 5, when carrying out removal operation to well workover pipe string, in order to avoid between sewage pipe 07 and first through hole 041
Leakage phenomenon occurs, which can also include sealing structure 09, can be set between sewage pipe 07 and first through hole 041
There is sealing structure 09.In this way, can be sealed by sealing structure 09 to realization between sewage pipe 07 and first through hole 041.
Wherein, referring to Fig. 6, sealing structure 09 may include gasket 091 and/or seal gasket 092 and clamping nut
093.External screw thread has can be set in 07 outer surface of sewage pipe, by gasket 091 and/or 092 set of seal gasket on sewage pipe 07, it
Afterwards, clamping nut 093 is screwed on sewage pipe 07, is squeezed with being formed to gasket 091 and/seal gasket 092, to realize to row
Sealing between dirty pipe 07 and first through hole 041.
It should be noted that when being cased with gasket 091 and seal gasket 092 on sewage pipe 07, gasket 091 and seal gasket
092 positional relationship can be exchanged mutually.
Referring to Fig. 5, in order to avoid leakage phenomenon occurs between each air inlet pipe 08 and corresponding second through-hole 042, each
It is can be set between air inlet pipe 08 and corresponding second through-hole 042 just like sealing structure 09 shown in above-mentioned.In this way, can lead to
Sealing structure 09 is crossed to seal realization between each air inlet pipe 08 and corresponding second through-hole 042.Wherein, each air inlet pipe 08 with
Sealing between corresponding second through-hole 042 can be such as the sealing between sewage pipe 07 and first through hole 041, the utility model reality
Example is applied no longer to be described in detail.
When being pumped into steam into the degreasing unit, in order to avoid the steam that is pumped into is only to local location on well workover pipe string
Pollutant is rinsed and softens, and the outer wall oil removing of well workover pipe string is caused to be not thorough, in one possible implementation, referring to
Spray head 10 can be set at Fig. 7, the inner wall in outer cylinder 04 and the position positioned at each second through-hole 042.It is removed in this way, being pumped into this
The steam of oily device can be spread around under the action of spray head 10, to improve rushing for pollutants such as crude oil on well workover pipe string
It washes and Maceration area, and then improves the oil removal efficiency of crude oil on well workover pipe string.In addition, under the action of spray head 10, it can also be right
It is pumped into the steam generation throttling action of the degreasing unit, to increase the pump-in pressure of steam, to improve steam to well workover pipe string
The impact force of the pollutants such as upper crude oil improves the deoiling effect of the degreasing unit.
In alternatively possible implementation, referring to Fig. 8, which can also include inner cylinder 06, inner cylinder 06
First end is fixedly connected with the second end of top connection 02, and the second end of inner cylinder 06 is fixedly connected with the first end of lower contact 05, interior
It is provided with annular space between cylinder 06 and outer cylinder 04, multiple diffusion holes 061 are provided on inner cylinder 06.This is removed under the action of inner cylinder 06
The inside of oily device is divided into two spaces, and annular space of first space between outer cylinder 04 and inner cylinder 06, second space is interior
The space that cylinder 06, self-sealing rubber core 03 and well workover pipe string are formed.Since the first space and second space are connected by multiple diffusion holes 061
Logical, the steam for being pumped into the degreasing unit is introduced into the first space, and then under the action of multiple diffusion hole 061, to expand around
Scattered mode enters flushing and softening of the second space realization to pollutants such as crude oil on well workover pipe string, and then in self-sealing rubber core 03
Under the action of complete well workover pipe string on removal operation.In addition, since multiple diffusion holes 061 can be to the steaming into second space
Vapour generates throttling action, to increase the pressure for the steam for entering second space, and then improves steam to crude oil on well workover pipe string etc.
The impact force of pollutant improves the deoiling effect of the degreasing unit.
Wherein, multiple diffusion holes 061 can be distributed on inner cylinder 06, and there may be located in multiple diffusion holes 061
At least one diffusion hole 061 of the lower part of first through hole 041.In this way, to the sewage after well workover pipe string oil removing, it can be along at least one
A diffusion hole 061 flow to the annular space between outer cylinder 04 and inner cylinder 06, and then the degreasing unit is discharged along first through hole 041, convenient
The centralized recovery of sewage.
It should be noted that can also be mentioned above-mentioned when carrying out removal operation to well workover pipe string by the degreasing unit
To two kinds of possible implementations combine, the utility model embodiment does not limit this.Passing through above two possibility
At least one of implementation removal operation is carried out to well workover pipe string before, can also at first through hole 041 company of sealing
Sewage pipe 07 is connect, air inlet pipe 08 is tightly connected at each second through-hole 042.
Further, passing through second of possible implementation or two kinds of possible implementations mentioned above
When combining and carry out removal operation to well workover pipe string, and being tightly connected at first through hole 041 sewage pipe 07, referring to Fig. 8, in order to
Avoid the steam for being pumped into the first space directly right with first through hole 041 along the discharge of first through hole 041 degreasing unit, inner cylinder 06
Answer position that third through-hole 062 can be set, sewage pipe 07 can pass through first through hole 041 and be fixedly connected with third through-hole 062.
In this way, being pumped into the steam of the degreasing unit, the first space can be entered along at least one second through-hole 042, in multiple diffusion holes
Enter second space under 061 diffusion, to carry out removal operation, sewage or greasy dirt after removal operation etc. to well workover pipe string
The degreasing unit can be discharged along third through-hole 062 and sewage pipe 07, to avoid enter into the steam in the first space directly along the
The phenomenon that one through-hole 041 is discharged.
In the utility model embodiment, the degreasing unit is fixed on wellhead blowout preventor by the second end of lower contact,
When acting the well workover pipe string across the degreasing unit, the inner wall of self-sealing rubber core and the outer wall of well workover pipe string are formed and are sealed, at this point,
Gas can be pumped into the degreasing unit along at least one air inlet pipe.The diffusion hole that the gas being pumped into can be arranged on the inner cylinder
Under the action of spread, to improve flushing and Maceration area of the gas to pollutant on well workover pipe string, sewage after flushing or
Oil removing dress is discharged along third through-hole and sewage pipe under the effect of striking off of self-sealing rubber core and the gravity of itself in greasy dirt etc.
It sets, to realize the removal operation to well workover pipe string.The pollutants such as the crude oil of absorption are taken out of simultaneously in this way, avoiding well workover pipe string
It is dropped in well site, causes the pollution of well site environment and surrounding body, it is thus also avoided that because using the increased economic cost such as antiseepage cloth,
Reduce the generation of solid pollutant.
In this application, it should be understood that term " first ", " second ", " third " etc. are used for description purposes only, and cannot
It is interpreted as indication or suggestion relative importance or implicitly indicates the quantity of indicated technical characteristic.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (9)
1. a kind of degreasing unit, which is characterized in that the degreasing unit includes: disk in load-bearing (01), top connection (02), from sealing
Core (03), outer cylinder (04) and lower contact (05)；
Disk (01) is fixedly connected with the first end of the top connection (02) in the load-bearing, the first end of the outer cylinder (04) and institute
The second end for stating top connection (02) is fixedly connected, and the second end of the outer cylinder (04) and the first end of the lower contact (05) are fixed
Connection, the second end of the lower contact (05) with the wellhead blowout preventor of oil well for being fixedly connected；
Be provided with first through hole (041) and at least one second through-hole (042) on the outer cylinder (04), it is described at least one second
Each second through-hole (042) is respectively positioned on the top of the first through hole (041) in through-hole (042)；
The self-sealing rubber core (03) is in hollow structure, and the first end of the self-sealing rubber core (03) is provided with and turns edge (031) outside, institute
It states outer turn edge (031) to be located in the load-bearing between disk (01) and the top connection (02), the second of the self-sealing rubber core (03)
End is located in the outer cylinder (04), and the inner wall of the self-sealing rubber core (03) in the load-bearing disk (01), it is described on connect
The outer wall formation sealing of head (02), the self-sealing rubber core (03), the outer cylinder (04) and the well workover pipe string of the lower contact (05).
2. degreasing unit as described in claim 1, which is characterized in that the degreasing unit further includes inner cylinder (06)；
The first end of the inner cylinder (06) is fixedly connected with the second end of the top connection (02), the second end of the inner cylinder (06)
It is fixedly connected with the first end of the lower contact (05), is provided with annular space between the inner cylinder (06) and the outer cylinder (04), institute
It states and is provided with multiple diffusion holes (061) on inner cylinder (06).
3. degreasing unit as claimed in claim 1 or 2, which is characterized in that the degreasing unit further include sewage pipe (07) and
At least one air inlet pipe (08)；
The sewage pipe (07) and the first through hole (041) are tightly connected, at least one described air inlet pipe (08) and it is described extremely
Few second through-hole (042) corresponds, and is tightly connected.
4. degreasing unit according to claim 2, which is characterized in that on the inner cylinder (06) with the first through hole
(041) corresponding position is provided with third through-hole (062)；
The degreasing unit further includes sewage pipe (07) and at least one air inlet pipe (08)；
The sewage pipe (07) passes through the first through hole (041) and is fixedly connected with the third through-hole (062), and described at least one
A air inlet pipe (08) and at least one described second through-hole (042) correspond, and are tightly connected.
5. degreasing unit as claimed in claim 3, which is characterized in that the degreasing unit further includes sealing structure (09)；
Between the sewage pipe (07) and the first through hole (041) and each air inlet pipe (08) and corresponding second through-hole
(042) sealing structure (09) is provided between.
6. degreasing unit as claimed in claim 1 or 2, which is characterized in that the inner wall of the outer cylinder (04) and be located at each the
The position of two through-holes (042) is provided with spray head (10).
7. degreasing unit as described in claim 1, which is characterized in that the first end face of the top connection (02) is provided with first
Circumferential groove (021), described outer turn edge (031) are located in first circumferential groove (021), first circumferential groove
(021) depth is less than the outer thickness for turning edge (031).
8. degreasing unit as described in claim 1, which is characterized in that in the load-bearing on disk (01) with the top connection (02)
The end face of one end of connection is provided with the second circumferential groove (011), and described outer turn edge (031) is located at second circumferential groove
(011) in, the depth of second circumferential groove (011) is less than the outer thickness for turning edge (031).
9. degreasing unit as described in claim 1, which is characterized in that the degreasing unit further includes ring gasket (11), institute
Ring gasket (11) are stated for being sealed to the connection between the lower contact (05) and the wellhead blowout preventor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820696422.0U CN208330260U (en) | 2018-05-10 | 2018-05-10 | Degreasing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820696422.0U CN208330260U (en) | 2018-05-10 | 2018-05-10 | Degreasing unit |
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| Publication Number | Publication Date |
|---|---|
| CN208330260U true CN208330260U (en) | 2019-01-04 |
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ID=64776811
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820696422.0U Active CN208330260U (en) | 2018-05-10 | 2018-05-10 | Degreasing unit |
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| CN (1) | CN208330260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623310A (en) * | 2022-02-28 | 2022-06-14 | 中国水利水电第九工程局有限公司 | Integral ultraviolet curing repair process for sewage pipeline |
-
2018
- 2018-05-10 CN CN201820696422.0U patent/CN208330260U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623310A (en) * | 2022-02-28 | 2022-06-14 | 中国水利水电第九工程局有限公司 | Integral ultraviolet curing repair process for sewage pipeline |
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