Detachable wellhead heat preservation device

Abstract

The utility model discloses a detachable wellhead heat preservation device, which is applied to the field of heat preservation devices and comprises an upper heat preservation cover, a lower heat preservation cover is arranged at the bottom of the upper heat preservation cover, and heat preservation cotton is adhered to the interiors of the upper heat preservation cover and the lower heat preservation cover. The heat preservation device is designed to be of an integrated structure, when the upper heat preservation cover and the lower heat preservation cover are spliced and closed, various instruments, various valves and pipelines can be wrapped in the heat preservation device, no gap is generated between the instruments, the valves and the pipelines, the waterproof and anti-leakage effects are improved, and well mouth flow pipeline valves are not prone to corrosion; reinforcing strips and reinforcing ribs are machined on the upper heat preservation cover and the lower heat preservation cover, so that the overall structural strength of the upper heat preservation cover and the lower heat preservation cover is improved, and through the use of upper clamping seats of the connecting seats and upper clamping blocks of the reinforcing strips, the service life of the wellhead flow pipeline valve is prolonged; the upper heat preservation cover and the lower heat preservation cover can be conveniently spliced, fixed and detached, and convenience is provided for later installation and maintenance.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of heat preservation device, in particular to detachable wellhead heat preservation device. BACKGROUND

[0002] In the oilfield operation area field of the coastal or inland islands, the inside of various instruments and various valves and pipelines in the oilfield operation area oil and water well process needs to be heat preserved and protected, the traditional heat preservation and protection mode generally has two kinds, galvanized iron sheet heat preservation and wool winding and then brushing paint, galvanized iron sheet heat preservation: heat preservation effect is not remarkable, wellhead maintenance heat preservation body is difficult to disassemble, is disposable, cannot be repeatedly used, is discarded after disassembly, wool winding and brushing paint heat preservation: heat preservation effect is poor, rainwater leakage often occurs, internal pipeline and valve assembly are seriously corroded, are disposable, cannot be repeatedly used after disassembly.

[0003] In order to solve the deficiency of the above two kinds of heat preservation and protection devices, a protective cover made of glass fiber appears on the market, which is filled with heat preservation cotton for heat preservation, which can achieve the effect of heat preservation, but there are still some problems in use, such as various instruments and various valves and pipelines used for protective cover exist separately, one by one, which are not connected together as a whole, after the installation of the protective cover, there is a gap between the protective cover and the protective cover, which is easy to cause water inflow, resulting in easy corrosion of wellhead process pipeline valve, the protective effect is limited, at the same time, the traditional protective cover lacks reinforcing structure, the overall structural strength is limited, in the long-term use process, it is easy to deform under the influence of external environmental factors, and when the two protective covers of the traditional protective cover are spliced, the bolts are generally screwed, which needs a lot of time for installation and disassembly, and the bolts are easy to rust and difficult to disassemble. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a detachable wellhead heat preservation device, which has the advantages of good protection effect, high strength and convenient disassembly.

[0005] The above technical purpose of the utility model is realized by the following technical scheme: including upper heat preservation cover, the bottom of upper heat preservation cover is provided with lower heat preservation cover, the inside of upper heat preservation cover and lower heat preservation cover is all bonded with heat preservation material and heat insulation material and anti-permeation interlayer, the upper heat preservation cover and lower heat preservation cover are all injection molded with valve cover, the upper heat preservation cover and lower heat preservation cover are all bonded with reinforcing strip, the surface of upper heat preservation cover is symmetrically provided with connecting seat bolted with reinforcing strip, the surface of lower heat preservation cover is symmetrically provided with clamping block bolted with reinforcing strip, the connecting seat is hinged with clamping block matched use's clamping seat.

[0006] The utility model discloses adopt above -mentioned technical scheme, and the utility model discloses when the upper heat preservation cover and lower heat preservation cover splicing close, can cover various instruments and various valves and pipeline in it, and there is no gap in the middle, improves waterproof anti -leakage effect, wellhead flow process pipeline valve piece is not easy to rust, increases the service life of wellhead flow process pipeline valve piece, through the upper heat preservation cover and lower heat preservation cover all processing have the reinforcing strip, cooperates the use of reinforcing rib, improves the overall structural strength of upper heat preservation cover and lower heat preservation cover, through the use of the upper clamping block of connecting seat and reinforcing strip, can be convenient for upper heat preservation cover and lower heat preservation cover mutual splicing fixed and disassembled, provides the convenience for the installation and maintenance of later period.

[0007] The utility model further sets up: the material quality of upper heat preservation cover and lower heat preservation cover with valve cover is resin composite material.

[0008] Adopt above -mentioned technical scheme, improve upper heat preservation cover and lower heat preservation cover with valve cover durability.

[0009] The utility model further sets up: the upper heat preservation cover and lower heat preservation cover all have the reinforcing ear of mutual cooperation use and are injection molded.

[0010] Adopt above -mentioned technical scheme, improve the overall strength of upper heat preservation cover and lower heat preservation cover.

[0011] The utility model further sets up: the upper heat preservation cover and lower heat preservation cover all have the reinforcing rib of bolt connection with reinforcing strip.

[0012] Adopt above -mentioned technical scheme, further improve the structural strength of upper heat preservation cover and lower heat preservation cover.

[0013] The utility model further sets up: the connecting seat is inserted with the limiting rod, and the connecting seat, the clamping block and the clamping block all are equipped with the limiting slot of sliding connection with the limiting rod.

[0014] Adopt above -mentioned technical scheme, and the clamping block and clamping block are prevented from slipping.

[0015] The utility model further sets up: the upper heat preservation cover, lower heat preservation cover and valve cover all are equipped with the through groove.

[0016] Adopt above -mentioned technical scheme, and the rotating piece of valve is convenient for the outside.

[0017] The utility model further sets up: the top of limiting rod is bolted with the pull round head.

[0018] Adopt above -mentioned technical scheme, and the staff is convenient for pulling limiting rod.

[0019] The upper heat preservation cover, the lower heat preservation cover and the valve cover are all semicircular.

[0020] By adopting the technical scheme, when the upper heat preservation cover and the lower heat preservation cover are spliced and closed, various instruments, various valves and pipelines can be protected.

[0021] To sum up, the utility model has the following beneficial effects:

[0022] 1. The utility model discloses a heat preservation device which is designed as an integrated structure, various instruments, various valves and pipelines can be covered in the heat preservation device when the upper heat preservation cover and the lower heat preservation cover are spliced and closed, no gap is generated in the middle, the waterproof and anti-seepage effect is improved, the wellhead process pipeline valve is not easy to rust, and the service life of the wellhead process pipeline valve is increased.

[0023] 2. The utility model discloses a reinforcing strip is processed on the upper heat preservation cover and the lower heat preservation cover, the structure strength of the upper heat preservation cover and the lower heat preservation cover is improved by cooperating with the use of the reinforcing rib, the upper heat preservation cover and the lower heat preservation cover can be spliced, fixed and disassembled conveniently by using the clamping block on the reinforcing strip and the clamping seat on the connecting seat, and convenience is provided for the later installation and maintenance. DRAWINGS

[0024] Figure 1 It is the overall structure schematic view in the utility model;

[0025] Figure 2 It is the structure schematic view of the connecting seat in the utility model;

[0026] Figure 3 It is the structure schematic view of the clamping block in the utility model;

[0027] Figure 4 It is the structure schematic view of the clamping seat in the utility model;

[0028] Figure 5 It is the structure plan view of the lower heat preservation cover in the utility model;

[0029] Figure 6 It is the utility model Figure 1 A place enlarged view.

[0030] Reference signs: 1, upper heat preservation cover, 2, lower heat preservation cover, 3, heat preservation cotton, 4, valve cover, 5, reinforcing strip, 6, connecting seat, 7, clamping block, 8, clamping seat, 9, reinforcing lug, 10, reinforcing rib, 11, limiting rod, 12, through slot, 13, pull round head. PREFERRED EMBODIMENT

[0031] The utility model will be further explained in detail in combination with the drawings.

[0032] Example 1:

[0033] Referring to Figure 1 , Figure 5 and Figure 6 , a detachable wellhead heat preservation device comprises an upper heat preservation cover 1, a lower heat preservation cover 2 arranged at the bottom of the upper heat preservation cover 1, and heat preservation material 3 and heat insulation material and anti-permeation layers adhered to the interiors of the upper heat preservation cover 1 and the lower heat preservation cover 2, and valve covers 4 injection molded on the upper heat preservation cover 1 and the lower heat preservation cover 2. By designing the heat preservation device as an integrated structure, when the upper heat preservation cover 1 and the lower heat preservation cover 2 are spliced and closed, various instruments, various valves and pipelines can be covered therein without gaps, thereby improving the waterproof and anti-leakage effects, preventing the wellhead process pipeline valves from rusting and increasing the service life of the wellhead process pipeline valves.

[0034] Referring to Figure 1 and Figure 5 , the materials of the upper heat preservation cover 1, the lower heat preservation cover 2 and the valve covers 4 are resin composite materials. By setting the materials of the upper heat preservation cover 1, the lower heat preservation cover 2 and the valve covers 4 as resin composite materials, the durability of the upper heat preservation cover 1, the lower heat preservation cover 2 and the valve covers 4 is improved.

[0035] Referring to Figure 1 and Figure 5 , symmetrical reinforcing ears 9 that are used in cooperation are injection molded on the upper heat preservation cover 1 and the lower heat preservation cover 2. By setting the reinforcing ears 9, the overall strength of the upper heat preservation cover 1 and the lower heat preservation cover 2 is improved.

[0036] Referring to Figure 1 and Figure 5 , through-slots 12 are arranged on the upper heat preservation cover 1, the lower heat preservation cover 2 and the valve covers 4. By setting the through-slots 12, the rotating parts of the valves can be conveniently penetrated to the outside.

[0037] Referring to Figure 1 , the upper heat preservation cover 1, the lower heat preservation cover 2 and the valve covers 4 are all semicircular. By setting the upper heat preservation cover 1, the lower heat preservation cover 2 and the valve covers 4 as semicircular, the various valves and pipelines can be protected when the upper heat preservation cover 1 and the lower heat preservation cover 2 are spliced and closed.

[0038] The use process is briefly described as follows: by designing the heat preservation device as an integrated structure, when the upper heat preservation cover 1 and the lower heat preservation cover 2 are spliced and closed, various instruments, various valves and pipelines can be covered therein without gaps, thereby improving the waterproof and anti-leakage effects, preventing the wellhead process pipeline valves from rusting and increasing the service life of the wellhead process pipeline valves.

[0039] Referring to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6The detachable wellhead heat preservation device, the upper heat preservation cover 1 and the lower heat preservation cover 2 are bonded with the reinforcing strips 5, the surface of the upper heat preservation cover 1 is symmetrically provided with the connecting seats 6 which are bolted with the reinforcing strips 5, the surface of the lower heat preservation cover 2 is symmetrically provided with the clamping blocks 7 which are bolted with the reinforcing strips 5, the connecting seats 6 are hinged with the clamping seats 8 which are used in cooperation with the clamping blocks 7.

[0040] Reference Figure 1 The upper heat preservation cover 1 and the lower heat preservation cover 2 are bonded with the reinforcing ribs 10 which are bolted with the reinforcing strips 5, by arranging the reinforcing ribs 10, the structural strength of the upper heat preservation cover 1 and the lower heat preservation cover 2 is further improved.

[0041] Reference Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 6 The connecting seats 6 are inserted with the limiting rods 11, and the connecting seats 6, the clamping blocks 7 and the clamping seats 8 are all provided with the limiting grooves which are slidingly connected with the limiting rods 11, by arranging the limiting rods 11, the clamping seats 8 are limited, and the situation that the clamping blocks 7 and the clamping seats 8 are slipped is prevented.

[0042] Reference Figure 1 , Figure 2 and Figure 6 The top of the limiting rod 11 is bolted with the pulling round head 13, by arranging the pulling round head 13, the staff member can conveniently pull the limiting rod 11.

[0043] The use process is briefly described: by arranging the reinforcing strips 5 on the upper heat preservation cover 1 and the lower heat preservation cover 2, and cooperating with the use of the reinforcing ribs 10, the structural strength of the upper heat preservation cover 1 and the lower heat preservation cover 2 is improved, when the clamping seats 8 on the connecting seats 6 and the clamping blocks 7 on the reinforcing strips 5 are clamped together, the upper heat preservation cover 1 and the lower heat preservation cover 2 can be mutually spliced and fixed, the limiting rod 11 is penetrated through the limiting grooves, the clamping blocks 7 and the clamping seats 8 are mutually limited, after the limiting rod 11 is pulled out, the clamping blocks 7 and the clamping seats 8 can be separated, and convenience is provided for the later installation and maintenance.

[0044] The specific embodiment is only an explanation of the utility model, and is not a limitation of the utility model, and the person skilled in the art can make a modification without creative contribution according to the need after reading the specification, but as long as it is within the scope of the claims of the utility model, it is protected by the patent law.

Claims

1. A detachable wellhead heat-insulating device comprising an upper heat-insulating cover (1), characterized in that, The bottom of the upper heat preservation cover (1) is provided with a lower heat preservation cover (2), the interiors of the upper heat preservation cover (1) and the lower heat preservation cover (2) are bonded with heat preservation materials (3) and heat insulation materials and anti-permeation layers, the upper heat preservation cover (1) and the lower heat preservation cover (2) are both injection molded with valve covers (4), the upper heat preservation cover (1) and the lower heat preservation cover (2) are both bonded with reinforcing strips (5), the surface of the upper heat preservation cover (1) is symmetrically provided with connecting seats (6) bolted with the reinforcing strips (5), the surface of the lower heat preservation cover (2) is symmetrically provided with clamping blocks (7) bolted with the reinforcing strips (5), the connecting seats (6) are hingedly connected with clamping seats (8) used in cooperation with the clamping blocks (7).

2. The removable wellhead insulation system of claim 1, wherein, The materials of the upper heat preservation cover (1), the lower heat preservation cover (2) and the valve cover (4) are resin composite materials.

3. The removable wellhead insulation system of claim 1, wherein, The upper heat preservation cover (1) and the lower heat preservation cover (2) are both symmetrically injection molded with reinforcing ears (9) used in cooperation.

4. The removable wellhead insulation system of claim 1, wherein, The upper heat preservation cover (1) and the lower heat preservation cover (2) are both bonded with reinforcing ribs (10) bolted with the reinforcing strips (5).

5. The removable wellhead insulation system of claim 1, wherein, The connecting seats (6) are inserted with limiting rods (11), and the connecting seats (6), the clamping blocks (7) and the clamping seats (8) are all provided with limiting grooves in sliding connection with the limiting rods (11).

6. The removable wellhead insulation system of claim 1, wherein, The upper heat preservation cover (1), the lower heat preservation cover (2) and the valve cover (4) are all provided with penetrating grooves (12).

7. The removable wellhead insulation system of claim 5, wherein, The top of the limiting rod (11) is bolted with a pulling round head (13).

8. The removable wellhead insulation system of claim 1, wherein, The upper heat preservation cover (1), the lower heat preservation cover (2) and the valve cover (4) are all semicircular.

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