CN211573478U

CN211573478U - Fast-assembling thermal recovery well head heat preservation cover

Info

Publication number: CN211573478U
Application number: CN201922362323.6U
Authority: CN
Inventors: 张翠苹; 贺新震; 高婷婷
Original assignee: Dongying East Machinery Manufacture Co ltd
Current assignee: Dongying East Machinery Manufacture Co ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-09-25
Anticipated expiration: 2029-12-25

Abstract

The utility model relates to a ready-package thermal recovery well head heat preservation cover. The technical scheme is as follows: the upper module and the lower module are of a two-petal structure, the upper module and the lower module are formed by oppositely inserting a first shell and a second shell respectively, the shells of the upper module and the lower module are made of glass fiber reinforced plastics and rock wool, the linings are made of insulating materials, the shapes of the linings of the upper module and the lower module are matched with the external shape and the structure of the wellhead device, the upper module and the lower module are provided with holes corresponding to the positions of a hand wheel and a valve of the wellhead device, the upper module and the lower module are provided with pipe connectors convenient for connecting pipelines, and the pipe connectors are provided with locking devices. The beneficial effects are that: the heat preservation cover can effectively restrain heat loss, reduce internal and external heat exchange and improve the heat preservation effect; the heat preservation cover is made into a module form according to the external shape and the structure of the wellhead device, can be quickly installed and disassembled, and is simple to disassemble and assemble and capable of being repeatedly used.

Description

Fast-assembling thermal recovery well head heat preservation cover

Technical Field

The utility model relates to an oil well head protector, in particular to ready-package thermal recovery well head heat preservation cover.

Background

The oil production plant Christmas tree well mouth needs to be insulated in order to ensure the normal operation of production, the traditional well mouth device is complicated in insulation work and high in labor intensity, the traditional insulation material is wrapped by felt, glass fiber cloth is trapped and bundled, the repeated wrapping rate is high, the repeated utilization rate of the insulation material is low under most conditions, cost saving is not facilitated, paint is repeatedly coated on the surface of the glass fiber cloth in order to prevent rainwater erosion, workers' hands, arms and facial sweat pores are often bundled by the glass fiber in the process of wrapping the glass fiber cloth, skin wounds and serious anaphylactic reactions of the workers are caused, after the insulation is finished, when the oil well maintenance, pump inspection, well washing and other operations are carried out, the wraps affect the operation, all the wraps are cut off by a knife and removed, the wraps are again after the construction operation is finished, the paint is coated, time and labor are wasted, the production operation is affected, the removed wraps have no recovery value and are not easy to degrade after being discarded, become industrial waste, cause environmental pollution, and further lead to the fragmentation of binder when demolising easily to produce more binder rubbish, bring the difficulty for follow-up cleaning. And the traditional heat preservation mode heat preservation effect is poor, and heat loss is too big, influences production efficiency.

The patent publication number of the Chinese utility model is "CN 2802068", relates to an oil well head heat preservation protection casing of oil well head ground oil transportation device of oil extraction well, it adopts novel insulation material and compound heat preservation measure. The heat-insulating layer is a three-layer composite heat-insulating measure consisting of a high-strength glass fiber reinforced plastic shell, a heat-insulating material lining and a heat-insulating fireproof coating, an upper part and a lower part are adopted, each part is of a two-petal structure and is fixedly connected through bolts, and the heat-insulating layer has the advantages of good heat-insulating effect, easiness in disassembly, convenience in installation, firmness and durability, cost reduction, capability of reducing the labor intensity of workers, smooth surface, convenience in cleaning, good safety, reusability, no environmental pollution and capability of preventing rain and snow weather from leaking, and is particularly suitable for being adopted in winter in oil fields in cold. Although this patent has solved heat preservation measure easy dismounting's problem, nevertheless, because the heat preservation protection casing is that two lamella formula structures pass through the bolt connection fixed, the cold air still carries out inside and outside heat exchange from the gap of two lamella heat preservation protection casings butt joints easily, heat preservation effect greatly reduced.

Disclosure of Invention

The utility model aims at providing a ready-package thermal recovery well head heat preservation cover to the above-mentioned defect that prior art exists, can effectively restrain the heat and run off, reduce inside and outside heat exchange, it is effectual to keep warm, and the dismouting is simple, but reuse.

The technical scheme is as follows: the utility model discloses an go up module, lower module, trompil, pipe connection mouth, joint, locking device, first casing, second casing, the heat preservation cover comprises last module and lower module, and the lower extreme of going up the module is pegged graft with lower module through connecting together, goes up the module and is two lamella formula structures with lower module, goes up module and lower module and is formed by first casing and second casing involution grafting respectively, the shell of last module and lower module adopt glass steel to add the rock wool, the inside lining adopts insulating material, the inside lining shape of last module and lower module be identical with wellhead assembly's external shape and structure, last module and lower module on offer the trompil with wellhead assembly hand wheel and the corresponding position of valve position, last module and lower module on be equipped with the pipe connection mouth of the connecting line of being convenient for, be equipped with locking device on the pipe connection mouth.

The locking device comprises a locking cover, a pin shaft, an annular lock catch and a lock hook, wherein the locking cover is movably connected to the pipe connecting opening of the first shell through the pin shaft, the lock hook is connected to the pipe connecting opening of the second shell in a welded mode, one end of the annular lock catch is hinged to the lower portion of the inner side of the locking cover, and the other end of the annular lock catch is hung in the lock hook in a matched mode.

A first clamping block is integrally formed on the inner side of the side wall, in contact with the second shell, of the first shell, a third clamping block is integrally formed on the outer side of the side wall, in contact with the first shell, of the second shell, and the first clamping block and the third clamping block are arranged in a matched and staggered mode.

And a rubber pad is adhered to the inner surface of the first clamping block, which is in contact with the third clamping block.

A second clamping block is integrally formed in the middle of the side wall, in contact with the second shell, of the first shell, a clamping groove is formed in the middle of the side wall, in contact with the first shell, of the second shell, and the second clamping block is matched and clamped in the clamping groove.

And a rubber pad is adhered to the inner surface of the second clamping block, which is in contact with the clamping groove.

The utility model has the advantages that: the first clamping block and the third clamping block are matched and staggered or the second clamping block and the clamping groove are tightly matched, so that heat loss is effectively restrained, internal and external heat exchange is reduced, and the heat preservation effect is improved; the heat-insulating cover is made of glass fiber reinforced plastic and rock wool through heat-insulating materials, the lining is made of insulating materials, and the heat-insulating cover is made into a module form according to the external shape and the structure of the wellhead device, so that the quick assembly and disassembly can be realized, the assembly and disassembly are simple, the operation time of heat-insulating work is reduced, the labor intensity is reduced, and the production loss caused by long-time shutdown of the wellhead is avoided; the garbage cleaning machine can be repeatedly used, the generation of fragment garbage is reduced, the environmental pollution is reduced, the waste of materials is avoided, the labor intensity caused by cleaning the fragment garbage is eliminated, and the purposes of reducing the cost and improving the economic benefit are finally achieved.

Drawings

FIG. 1 is a front view of the present invention;

fig. 2 is a side view of the present invention;

FIG. 3 is a perspective view of the present invention;

FIG. 4 is a schematic structural view of a first housing of the module in the first embodiment;

FIG. 5 is a schematic structural view of a second housing of the module in the first embodiment;

FIG. 6 is a top sectional view of the first embodiment;

FIG. 7 is a top sectional view of the second embodiment;

FIG. 8 is a schematic structural view of the locking device when locked;

FIG. 9 is a schematic view of the locking device when it is open;

in the figure: go up module 1, lower module 2, trompil 3, pipe connector 4, connect 5, locking device 6, first casing 7, second casing 8, locking closure 6.1, round pin axle 6.2, annular hasp 6.3, latch hook 6.4, first fixture block 7.1, second fixture block 7.2, third fixture block 8.1, draw-in groove 8.2.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Embodiment 1, as shown in fig. 1-3, the utility model discloses a last module 1, lower module 2, trompil 3, pipe connection mouth 4, connect 5, locking device 6, first casing 7, second casing 8, the heat preservation cover comprises last module 1 and lower module 2, goes up module 1's lower extreme and pegs graft together with lower module 2 through connecting 5, goes up module 1 and lower module 2 and is two lamella formula structures, goes up module 1 and lower module 2 and closes grafting formation by first casing 7 and second casing 8 respectively, last module 1 and lower module 2's shell adopt glass steel to add the rock wool, the inside lining adopts insulating material, have heat preservation, waterproof, corrosion-resistant characteristics. Go up module 1 and lower module 2's inside lining shape and well head device's outside shape and structure identical, be convenient for reduce the temperature gathering and run off, last module 1 and lower module 2 on set up with well head device hand wheel and the trompil 3 of the corresponding position of valve position, be convenient for connect hand wheel and valve, last module 1 and lower module 2 on be equipped with the pipe connector 4 of being convenient for connecting the pipeline, be equipped with locking device 6 on the pipe connector 4, locking device can help first casing and second casing fixed connection, avoids droing when using, influences the operation that keeps warm, influences production efficiency.

As shown in fig. 8-9, the locking device 6 includes a locking cover 6.1, a pin 6.2, an annular lock catch 6.3, and a lock hook 6.4, the locking cover 6.1 is movably connected to the pipe connection port 4 of the first housing 7 through the pin 6.2, the lock hook 6.4 is welded to the pipe connection port 4 of the second housing 8, one end of the annular lock catch 6.3 is hinged to the lower part of the inner side of the locking cover 6.1, and the other end of the annular lock catch 6.3 is engaged with and hung in the lock hook 6.4.

As shown in fig. 4-6, the first clamping block 7.1 is integrally formed on the inner side of the side wall of the first casing 7 contacting the second casing 8, the third clamping block 8.1 is integrally formed on the outer side of the side wall of the second casing 8 contacting the first casing 7, the first clamping block 7.1 and the third clamping block 8.1 are matched and staggered, and the staggered arrangement prevents cold air from directly entering from a butted gap, thereby reducing heat loss.

The rubber pad is adhered to the inner surface of the first clamping block 7.1, which is contacted with the third clamping block 8.1, the rubber pad can further play a role in sealing, can prevent heat exchange between the inside and the outside, reduce heat loss, and can also prevent rainwater from entering and eroding the wellhead device.

Embodiment 2, as shown in fig. 1-3, the utility model discloses a go up module 1, lower module 2, trompil 3, pipe connection mouth 4, connect 5, locking device 6, first casing 7, second casing 8, the heat preservation cover comprises last module 1 and lower module 2, goes up module 1's lower extreme and pegs graft together with lower module 2 through connecting 5, goes up module 1 and lower module 2 and is two lamella formula structures, goes up module 1 and lower module 2 and closes grafting formation by first casing 7 and second casing 8 respectively, last module 1 and lower module 2's shell adopt glass steel to add the rock wool, the inside lining adopts insulating material, have heat preservation, waterproof, corrosion-resistant characteristics. Go up module 1 and lower module 2's inside lining shape and well head device's outside shape and structure identical, be convenient for reduce the temperature gathering and run off, last module 1 and lower module 2 on set up with well head device hand wheel and the trompil 3 of the corresponding position of valve position, be convenient for connect hand wheel and valve, last module 1 and lower module 2 on be equipped with the pipe connector 4 of being convenient for connecting the pipeline, be equipped with locking device 6 on the pipe connector 4, locking device can help first casing and second casing fixed connection, avoids droing when using, influences the operation that keeps warm, influences production efficiency.

As shown in fig. 7, the difference from embodiment 1 lies in that a second clamping block 7.2 is integrally formed in the middle of the side wall of the first housing 7, which is in contact with the second housing 8, a clamping groove 8.2 is formed in the middle of the side wall of the second housing 8, which is in contact with the first housing 7, the second clamping block 7.2 is fitted and clamped in the clamping groove 8.2, and the second clamping block 7.2 is fitted and arranged with the clamping groove 8.2, so that cold air is prevented from directly entering from a butted gap, and heat loss can be reduced.

The rubber pad is adhered to the inner surface of the second clamping block 7.2, which is in contact with the clamping groove 8.2, the rubber pad can further play a role in sealing, internal and external heat exchange can be prevented, heat loss is reduced, and rainwater can be prevented from entering and eroding the wellhead device.

The heat preservation device of the utility model effectively restrains heat loss, reduces internal and external heat exchange and improves heat preservation effect by matching and staggering the first clamping block and the third clamping block or matching and clamping the second clamping block and the clamping groove; the heat-insulating cover is made of glass fiber reinforced plastics and rock wool through heat-insulating materials, the lining is made of insulating materials, and the heat-insulating cover is made into a module form according to the external shape and structure of the wellhead device; the garbage cleaning machine can be repeatedly used, the generation of fragment garbage is reduced, the environmental pollution is reduced, the waste of materials is avoided, the labor intensity caused by cleaning the fragment garbage is eliminated, and the purposes of reducing the cost and improving the economic benefit are finally achieved.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.

Claims

1. The utility model provides a ready-package thermal recovery well head heat preservation cover, characterized by: the heat-preservation cover comprises an upper module (1), a lower module (2), a hole (3), a pipe connecting port (4), a joint (5), a locking device (6), a first shell (7) and a second shell (8), the heat-preservation cover comprises the upper module (1) and the lower module (2), the lower end of the upper module (1) is spliced with the lower module (2) through the joint (5), the upper module (1) and the lower module (2) are of a two-petal structure, the upper module (1) and the lower module (2) are respectively formed by oppositely splicing the first shell (7) and the second shell (8), the outer shells of the upper module (1) and the lower module (2) are made of glass fiber reinforced plastic and rock wool, the linings are made of insulating materials, the shapes of the linings of the upper module (1) and the lower module (2) are matched with the external shape and the structure of a wellhead device, and the hole (3) corresponding to the positions of the wellhead device and a valve is arranged on the upper module (1) and the lower module (2), the upper module (1) and the lower module (2) are provided with pipe connectors (4) convenient for connecting pipelines, and the pipe connectors (4) are provided with locking devices (6).

2. The ready-package thermal recovery wellhead insulation cover according to claim 1, which is characterized in that: locking device (6) including locking closure (6.1), round pin axle (6.2), annular hasp (6.3), latch hook (6.4), locking closure (6.1) is on pipe connector (4) of first casing (7) through round pin axle (6.2) swing joint, latch hook (6.4) welded connection is on pipe connector (4) of second casing (8), the one end of annular hasp (6.3) articulates in the inboard below of locking closure (6.1), the other end cooperation of annular hasp (6.3) is hung in latch hook (6.4).

3. The ready-package thermal recovery wellhead insulation cover according to claim 2, which is characterized in that: first casing (7) and second casing (8) contact lateral wall inboard on integrated into one piece be equipped with first fixture block (7.1), second casing (8) and first casing (7) contact lateral wall outside on integrated into one piece be equipped with third fixture block (8.1), first fixture block (7.1) and third fixture block (8.1) cooperate crisscross setting.

4. The ready-package thermal recovery wellhead insulation cover according to claim 3, which is characterized in that: and a rubber pad is adhered to the inner surface of the first clamping block (7.1) in contact with the third clamping block (8.1).

5. The ready-package thermal recovery wellhead insulation cover according to claim 2, which is characterized in that: first casing (7) and the lateral wall middle part integrated into one piece that second casing (8) contacted be equipped with second fixture block (7.2), the lateral wall middle part that second casing (8) and first casing (7) contacted seted up draw-in groove (8.2), second fixture block (7.2) cooperation chucking sets up in draw-in groove (8.2).

6. The ready-package thermal recovery wellhead insulation cover according to claim 5, which is characterized in that: and a rubber pad is adhered to the inner surface of the second clamping block (7.2) in contact with the clamping groove (8.2).