CN209953309U

CN209953309U - Heat-insulating sealing steam jet cleaning device

Info

Publication number: CN209953309U
Application number: CN201920476842.2U
Authority: CN
Inventors: 武佳楠; 张斌; 李哲
Original assignee: Daqing Hongbo Shengda Petroleum Machinery Equipment Co Ltd
Current assignee: Daqing Hongbo Shengda Petroleum Machinery Equipment Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-01-17
Anticipated expiration: 2029-04-10

Abstract

The utility model belongs to the technical field of the oil field polished rod is clean, especially, relate to a heat preservation seal steam injection belt cleaning device, including unsteady self sealss subassembly, belt cleaning device main part and gland, the belt cleaning device main part includes a center section of thick bamboo, urceolus, flange and unsteady self sealss subassembly carrier down, urceolus cover outside and coaxial with a center section of thick bamboo, leave the ring chamber that is used for steam between urceolus and the center section of thick bamboo, the upper end and the unsteady self sealss subassembly carrier rigid coupling of urceolus and a center section of thick bamboo, unsteady self sealss subassembly setting is in unsteady self sealss subassembly carrier and the arbitrary direction of level slides, center section of thick bamboo lateral wall is opened. The floating self-sealing assembly designed by the device can automatically center along with the polish rod, so that the polish rod is more uniformly wiped, and the cleaning quality is better improved; the steam heat preservation cavity of the device can effectively prevent the melted wax from being condensed again, so that the wax is always in a melting state, and the wax can be sucked out conveniently.

Description

Heat-insulating sealing steam jet cleaning device

Technical Field

The utility model belongs to the technical field of the oil field beam-pumping unit polished rod is clean, especially, relate to a heat preservation sealing steam jet belt cleaning device.

Background

After a polished rod of an oil pumping unit in an oil field is used for a period of time, dirt and wax are very seriously accumulated on the polished rod, an old-fashioned operation method is that the polished rod is taken out and discharged on a liquid collecting pool on a construction site, an operator sprays steam on the polished rod to melt wax deposition and accumulated dirt on the polished rod and manually cleans the polished rod, and the washed oil dirt and wax are discharged through a liquid discharge pipe after entering the liquid collecting pool. When the operation method is used for taking the polished rod, oil stains can pollute a wellhead area; but also has great hidden danger that high-temperature steam scalds personnel. And because dirt contains wax, the melted wax is easy to condense again, so that the drainage pipeline is blocked, and the drainage pipeline needs to be dredged frequently. Increasing the labor intensity of operators.

SUMMERY OF THE UTILITY MODEL

For solving the problem in the background art, the utility model aims at providing a heat preservation sealing steam jet cleaning device, the utility model has the characteristics of safe in utilization, wash thoroughly, the flowing back is unblocked and the environmental protection.

The utility model provides a technical scheme is: a heat-preservation sealing steam jet cleaning device comprises a floating self-sealing assembly, a cleaning device main body and a gland; the cleaning device comprises a cleaning device body and a cleaning device body, wherein the cleaning device body comprises a central cylinder, an outer cylinder, a lower connecting flange and a floating self-sealing assembly carrier, the outer cylinder is sleeved outside the central cylinder and is coaxial with the central cylinder, a ring cavity used for passing steam is reserved between the outer cylinder and the central cylinder, the upper ends of the outer cylinder and the central cylinder are fixedly connected with the floating self-sealing assembly carrier, the lower ends of the outer cylinder and the central cylinder are fixedly connected with the lower connecting flange, the floating self-sealing assembly is arranged in the floating self-sealing assembly carrier, the floating self-sealing assembly is limited in the floating self-sealing assembly carrier by a gland, the gland is in threaded connection with the upper end of the floating self-sealing assembly carrier, the floating self-sealing assembly can horizontally slide in any direction in the floating self-sealing assembly carrier, a wax suction pipe is arranged on the central cylinder in a bypass mode, a steam inlet sleeve, a steam inlet is arranged on the side wall of the steam inlet sleeve in a bypass mode, at least three spraying layers are arranged on the side wall of the central cylinder along the axial direction, the number of spraying holes contained in each spraying layer is the same, the spraying holes incline downwards at an angle of 45 degrees, and all the spraying holes in the device are divided into 360-degree phase angles in the circumferential direction of the central cylinder; the floating self-sealing assembly comprises a rubber core upper fixing ring, an upper self-sealing rubber core, a rubber core middle fixing ring, a lower self-sealing rubber core and a rubber core lower fixing ring, wherein the five rubber cores are sequentially stacked from top to bottom and are connected in series, compressed and fixed through screws; the center of the upper self-sealing rubber core and the center of the lower self-sealing rubber core are both provided with openings.

The centers of the upper self-sealing rubber core and the lower self-sealing rubber core are respectively provided with a notch, and the notches of the upper self-sealing rubber core and the lower self-sealing rubber core are arranged in a crossed staggered manner; the upper self-sealing rubber core and the lower self-sealing rubber core are both made of polyurethane materials.

The utility model has the advantages that:

1. the design has the self sealss gluey core subassembly of floating on this device, can be along with polished rod automatic centering, makes two self sealss gluey cores hold the polished rod all the time comparatively evenly, guarantees that it is more even to cleaning of polished rod, and then reaches the purpose that promotes clean effect.

2. The design has the steam heat preservation on this device, guarantees to be in the molten state after the wax melts always, can be sucked more easily, and the greasy dirt of suction and wax pass through the tank car and gather, have avoided the environmental pollution in well head area, make the operation building site cleaner and environmental protection more.

3. The device adopts a plurality of spraying layers, so that the heating action time of steam on the light-collecting rod is prolonged, and the purpose of melting accumulated wax more ideally is achieved; all the injection holes equally divide the circumferential 360-degree phase angle of the central cylinder, so that steam can be injected to the polished rod in an all-around and dead-angle-free manner, and wax deposited on the polished rod can be more easily and fully melted.

4. The installation of this device is changed and is floated from the swift convenience of sealing the subassembly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a cross-sectional view of the present invention.

Fig. 3 is a cross-sectional view of the floating self-sealing assembly of the present invention.

Fig. 4 is an assembly view of the floating self-sealing assembly of the present invention.

Fig. 5 is a partially enlarged view of a portion a in fig. 2.

In the figure: 1-a gland, 2-a floating self-sealing assembly, 201-a rubber core upper fixing ring, 202-an upper self-sealing rubber core, 203-a rubber core middle fixing ring, 204-a lower self-sealing rubber core, 205-a rubber core lower fixing ring, 3-a floating self-sealing assembly carrier, 4-a steam inlet, 5-a lower connecting flange, 6-a central cylinder, 7-an outer cylinder, 8-a steam inlet sleeve, 9-a wax suction pipe, 10-an injection hole and 11-a notch.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The cleaning device comprises a floating self-sealing assembly 2, a cleaning device body and a gland 1; the cleaning device main body comprises a central cylinder 6, an outer cylinder 7, a lower connecting flange 5 and a floating self-sealing assembly carrier 3, wherein the outer cylinder 7 is sleeved outside the central cylinder 6 and is coaxial with the central cylinder 6, an annular cavity for passing steam is reserved between the outer cylinder 7 and the central cylinder 6, the steam continuously enters the central cylinder 6 through the annular cavity and a jet hole 10, steam spray washing is carried out on a polished rod, the annular cavity filled with the steam provides a heat preservation chamber, the wax is guaranteed to be always in a melting state after being melted, and the wax and dirt can be sucked out more easily. The upper ends of the outer cylinder 7 and the central cylinder 6 are fixedly connected with the floating self-sealing component carrier 3, the lower ends of the outer cylinder 7 and the central cylinder 6 are fixedly connected with the lower connecting flange 5, the floating self-sealing assembly 2 is arranged in the floating self-sealing assembly carrier 3, the floating self-sealing assembly 2 is limited in the floating self-sealing assembly carrier 3 by the gland 1, the gland 1 is in threaded connection with the upper end of the floating self-sealing assembly carrier 3, the floating self-sealing assembly 2 can slide in the floating self-sealing assembly carrier 3 in any horizontal direction, because the centering of the polish rod is in a free state when the polish rod is taken out, the floating self-sealing assembly 2 is designed into a floating device which moves left and right along with the polish rod, therefore, sealing can be guaranteed, the floating self-sealing assembly 2 is guaranteed to hold the polished rod tightly all the time to be cleaned evenly, the holding power is even, and the cleaning evenness can be guaranteed. The floating self-sealing assembly 2 in the embodiment has a horizontal floating range in any direction within 12.5 mm.

A wax suction pipe 9 is arranged on the central cylinder 6 in a bypass mode, and sucked wax is collected through a tank car, so that the operation site is cleaner and more environment-friendly. The steam inlet sleeve 8 is sleeved outside the wax suction pipe 9, and an annular cavity for steam inlet is reserved between the steam inlet sleeve 8 and the wax suction pipe 9, so that the steam cavity is used as heat insulation in the whole wax suction process, the wax is guaranteed to be always in a molten state after being molten, and the probability that the wax suction pipe 9 is blocked by the wax is reduced. The steam inlet 4 is arranged on the side wall of the steam inlet sleeve 8 in a bypass mode, and steam enters the device from the steam inlet 4.

At least three spraying layers are arranged on the side wall of the central cylinder 6 along the axial direction, and each spraying layer comprises the same number 10 of spraying holes 10, as shown in fig. 2, the number of spraying holes 10 is three in the embodiment, and each spraying layer comprises 4 spraying holes 10. The arrangement of the plurality of injection layers is mainly to increase the acting time of steam on the polished rod and ensure that the steam effectively and fully melts the wax deposited on the polished rod, as shown in fig. 5, the injection holes 10 incline downwards at an angle of 45 degrees in order to accelerate the sliding speed of the melted wax along the polished rod and expose the unmelted wax on the polished rod, so that the steam directly acts on the unmelted wax, and the reduction of the utilization rate of the steam caused by the repeated action of the steam on the melted wax is avoided. All the injection holes 10 in the device are equally divided by a phase angle of 360 degrees in the circumferential direction of the central cylinder 6. The 12 injection holes 10 in the embodiment divide the 360-degree phase angle of the circumference of the central cylinder 6 into equal fractions, so that steam can carry out multi-layer injection on the polish rod in an all-around and dead-angle-free manner, and the cleaning quality is effectively improved.

As shown in fig. 3 and 4, the floating self-sealing assembly 2 comprises a rubber core upper fixing ring 201, an upper self-sealing rubber core 202, a rubber core middle fixing ring 203, a lower self-sealing rubber core 204 and a rubber core lower fixing ring 205, wherein the five rubber cores are sequentially stacked from top to bottom and are connected in series, compressed and fixed through screws, the rubber core upper fixing ring 201, the rubber core middle fixing ring 203 and the rubber core lower fixing ring 205 are made of metal materials in the embodiment, so that the strength of compressing the upper self-sealing rubber core 202 and the lower self-sealing rubber core 204 is enhanced. Because there are connectors and the existence of righting the cover on the polished rod, its connector is greater than the size of polished rod far away with the size of righting the cover, for guaranteeing taking out smoothly of polished rod and guaranteeing to right the cover harmless on the polished rod, so go up the center department of self sealss rubber core 202 and lower self sealss rubber core 204 and all open notch 11, notch 11 size is greater than the polished rod connector and rights the size of cover, makes the connector with right the cover and can pass through smoothly. As shown in figure 4, the gaps 11 of the two are arranged in a crossed and staggered manner, so that the gripping effect is enhanced, and the gripping and wiping blind spots are avoided.

The upper and lower self-sealing

rubber cores

202 and 204 are made of polyurethane material because polyurethane has high mechanical strength and oxidation stability, high flexibility and resilience, and excellent oil resistance, solvent resistance, water resistance and fire resistance. Meets all the use requirements and is very suitable for being applied to the device. After the polish rod moving upwards is cleaned through steam injection, wax and dirt on the surface are basically cleaned, and finally the polish rod is gripped and scrubbed through the double-layer self-sealing rubber core, so that the cleaning effect is further improved.

When the device is used, the lower connecting flange 5 is connected with the wax crushing device, the wax crushing device crushes larger accumulated wax lumps, and steam sprayed from the injection holes 10 at the bottommost layer of the device directly acts on the wax crushing device, so that the steam starts to dissolve wax while the wax is crushed, and the crushing effect can reach the best.

The floating self-sealing assembly 2 designed by the device can automatically center along with the polish rod, so that the polish rod is more uniformly wiped, and the cleaning quality is better improved; the steam heat preservation cavity of the device can effectively prevent the melted wax from being condensed again, so that the wax is always in a melting state, and the wax can be sucked out conveniently.

Claims

1. The utility model provides a sealed steam jet cleaning device keeps warm which characterized in that: comprises a floating self-sealing assembly (2), a cleaning device body and a gland (1); the cleaning device comprises a cleaning device body and a cleaning device body, wherein the cleaning device body comprises a central cylinder (6), an outer cylinder (7), a lower connecting flange (5) and a floating self-sealing assembly carrier (3), the outer cylinder (7) is sleeved outside the central cylinder (6) and is coaxial with the central cylinder (6), a ring cavity used for passing steam is reserved between the outer cylinder (7) and the central cylinder (6), the upper ends of the outer cylinder (7) and the central cylinder (6) are fixedly connected with the floating self-sealing assembly carrier (3), the lower ends of the outer cylinder (7) and the central cylinder (6) are fixedly connected with the lower connecting flange (5), the floating self-sealing assembly (2) is arranged in the floating self-sealing assembly carrier (3), the floating self-sealing assembly (2) is limited in the floating self-sealing assembly carrier (3) by a gland (1), the gland (1) is in threaded connection with the upper end of the floating self-sealing assembly carrier (3), the floating self-sealing assembly (2) can slide in the floating, a wax suction pipe (9) is arranged on the central cylinder (6) in a bypass mode, a steam inlet sleeve (8) is sleeved outside the wax suction pipe (9), an annular cavity for steam inlet is reserved between the steam inlet sleeve (8) and the wax suction pipe (9), a steam inlet (4) is arranged on the side wall of the steam inlet sleeve (8) in a bypass mode, at least three injection layers are arranged on the side wall of the central cylinder (6) along the axis direction, the number of injection holes (10) contained in each injection layer is the same, the injection holes (10) incline downwards at an angle of 45 degrees, and all the injection holes (10) in the device equally divide a phase angle of 360 degrees in the circumferential direction of the central cylinder (6); the floating self-sealing assembly (2) comprises a rubber core upper fixing ring (201), an upper self-sealing rubber core (202), a rubber core middle fixing ring (203), a lower self-sealing rubber core (204) and a rubber core lower fixing ring (205), wherein the five rubber cores are stacked in sequence from top to bottom and are connected in series, compressed and fixed through screws; the centers of the upper self-sealing rubber core (202) and the lower self-sealing rubber core (204) are provided with gaps (11).

2. The heat-preserving sealing steam jet cleaning device according to claim 1, characterized in that: the center of the upper self-sealing rubber core (202) and the center of the lower self-sealing rubber core (204) are both provided with openings (11), and the openings (11) of the upper self-sealing rubber core and the lower self-sealing rubber core are arranged in a crossed and staggered manner.

3. The heat-preserving sealing steam jet cleaning device according to claim 1, characterized in that: the upper self-sealing rubber core (202) and the lower self-sealing rubber core (204) are both made of polyurethane materials.