CN212900904U

CN212900904U - Anticorrosive heat preservation device for pressure vessel

Info

Publication number: CN212900904U
Application number: CN202021706971.5U
Authority: CN
Inventors: 巩英贤; 许盼盼; 韩大军; 刘帅
Original assignee: Shengli Oilfield Jinse Hekou Petrochemical Engineering Co ltd
Current assignee: Shengli Oilfield Jinse Hekou Petrochemical Engineering Co ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-04-06
Anticipated expiration: 2030-08-14

Abstract

The utility model relates to a pressure vessel technical field just discloses a pressure vessel is with anticorrosive heat preservation device, including the storage tank body, the fixed heat-conducting layer that has cup jointed of outer wall of storage tank body, the fixed back up coat that has cup jointed of outer wall of heat-conducting layer, the fixed heat preservation that has cup jointed of outer wall of back up coat, the aqua storage tank has been seted up with the juncture of back up coat to the heat-conducting layer. The utility model discloses can improve the corrosion resisting property of storage tank body and prolong its life, and the zinc piece change in the electrochemical protection device is very convenient, and its inside sealed environment can avoid the zinc piece to be influenced the utilization ratio by external factor, can keep warm to the water after the heating, avoid the heater strip to switch on always and the increase cost, and the device design as an organic whole, the loss of having avoided dismantling many times and the inconvenient problem of storage, and the outside mutual fixed connection of a plurality of layer structures of storage tank body, can improve intensity also can improve toughness, make its surface have certain buffer function.

Description

Anticorrosive heat preservation device for pressure vessel

Technical Field

The utility model relates to a pressure vessel technical field especially relates to a pressure vessel is with anticorrosive heat preservation device.

Background

The pressure intensity inside the liquefied natural gas storage tank is lower the less its is, causes its inside to remain liquefied gas easily, causes the waste of liquefied gas, increases use cost, in order to improve the rate of utilization of liquefied gas, people use heating device to heat liquefied gas, increases the utilization ratio.

In the prior art, a part of liquefied gas storage tanks are heated by sleeving a shell with a heating function, the corrosion resistance of the storage tank is improved relatively poorly by such heating devices, the storage tank occupies a large space during storage, the consumed electric energy is large during long-time heat preservation, and the use cost is increased.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the promotion to the corrosion protection performance of the tank body is poor, the occupied space is large during storage, the electric energy consumed during long-time heat preservation is large, the use cost is increased, and the corrosion-resistant heat preservation device for the pressure container is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an anticorrosive heat preservation device for pressure vessel, includes the storage tank body, the fixed heat-conducting layer that has cup jointed of outer wall of storage tank body, the fixed anchor coat that has cup jointed of outer wall of heat-conducting layer, the fixed heat preservation that has cup jointed of outer wall of anchor coat, the aqua storage tank has been seted up with the juncture of anchor coat to the heat-conducting layer, the inside fixedly connected with heater strip of aqua storage tank, fixedly connected with electrochemical protection device of department in the middle of the top of heat preservation outer wall.

Preferably, the electrochemical protection device comprises a protective shell, the bottom of the protective shell is fixedly connected to the middle of the top of the outer wall of the heat preservation layer, the left side of the top of the protective shell and the right side of the inner wall of the protective shell are both fixedly connected with copper connecting blocks, the right side of each copper connecting block is fixedly connected with a lead, the outer wall of each lead is movably sleeved with a protective tube, one end of each protective tube is fixedly connected to one side of each copper connecting block, the other end of each protective tube sequentially penetrates through the heat preservation layer, the reinforcing layer and the heat conduction layer from outside to inside and extends into the heat conduction layer, the other end of each protective tube is fixedly connected to the top of the outer wall of the storage tank body, a sealing door is movably sleeved in a through groove on the left side of the protective shell, slide rods are fixedly connected in grooves on the, and two ends of the pressure spring are respectively and fixedly connected to one side of the abutting plate and one side of the right copper connecting block.

Preferably, the shapes of the copper connecting blocks are respectively in a square shape and a flat plate shape, and the outer wall of the upper end of the sealing door is movably lapped with the elastic sheet in the square copper connecting block.

Preferably, the heat conduction layer is made of brass, and the thickness of the middle of the heat conduction layer is 0.5 times of the thickness of the two ends of the heat conduction layer.

Preferably, the top and the bottom of the inner wall of the water storage tank are respectively fixedly inserted with a water inlet pipe and a water outlet pipe, and the top of one end of each of the water inlet pipe and the water outlet pipe is in threaded connection with a sealing cover.

Preferably, the heating wire is spirally arranged inside the water storage tank.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a method of electrochemical protection device's sacrificial anode protection negative pole can improve the corrosion resisting property of storage tank body and prolong its life, and the zinc plate change in the electrochemical protection device is very convenient, and its inside sealed environment can avoid the zinc plate to be influenced the utilization ratio by external factors.

(2) The utility model discloses a cooperation of heat preservation and heater strip is used, can keep warm to the water after the heating, avoids the heater strip to switch on always and increase cost, and the device design as an organic whole, has avoided the loss of dismantling many times and the inconvenient problem of storage, and the outside mutual fixed connection of a plurality of layer structures of the storage tank pump body, can improve intensity also can improve toughness, makes its surface have certain buffer function.

Drawings

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

FIG. 2 is an enlarged view of portion A of the structure of FIG. 1;

fig. 3 is a top view of the electrochemical protection device of the present invention shown in fig. 2.

In the figure: 1. a tank body; 2. a heat conductive layer; 3. a reinforcement layer; 4. a heat-insulating layer; 5. a water storage compartment; 6. heating wires; 7. an electrochemical protection device; 71. a protective shell; 72. a copper connecting block; 73. a sealing door; 74. a wire; 75. a protective tube; 76. a pressure spring; 77. a slide bar; 78. and a support plate.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-3, an anti-corrosion and thermal insulation device for a pressure vessel comprises a storage tank body 1, a heat conduction layer 2 is fixedly sleeved on the outer wall of the storage tank body 1, the heat conduction layer 2 is made of brass, the thickness of the middle part of the heat conduction layer 2 is 0.5 times of the thickness of the two end parts, so that heat can be quickly conducted, the heating speed is improved, a reinforcing layer 3 is fixedly sleeved on the outer wall of the heat conduction layer 2, a thermal insulation layer 4 is fixedly sleeved on the outer wall of the reinforcing layer 3, a water storage tank 5 is arranged at the junction of the heat conduction layer 2 and the reinforcing layer 3, a water inlet pipe and a water outlet pipe are respectively and fixedly inserted at the top and the bottom of the inner wall of the water storage tank 5, a sealing cover is connected to the top of one end of the water inlet pipe and the top of one end of the water outlet pipe through threads, so that, the inner part of the water storage tank 5 is fixedly connected with a heating wire 6, the heating wire 6 is spirally arranged in the water storage tank 5, the middle part of the top of the outer wall of the heat preservation layer 4 is fixedly connected with an electrochemical protection device 7, the electrochemical protection device 7 comprises a protective shell 71, the bottom of the protective shell 71 is fixedly connected with the middle part of the top of the outer wall of the heat preservation layer 4, the left side of the top of the protective shell 71 and the right side of the inner wall are fixedly connected with copper connecting blocks 72, the copper connecting blocks 72 are respectively in a shape of a square and a flat plate, the outer wall of the upper end of a sealing door 73 is movably lapped with an elastic sheet in the square copper connecting block 72 to facilitate the circulation of ions, the right side of the copper connecting block 72 is fixedly connected with a lead 74, the outer wall of the lead 74 is movably sleeved with a protective tube 75, one end of the protective tube 75 is fixedly connected to one side, the sealing door 73 and the abutting plate 78 are made of brass, so that ion exchange between a zinc block and the storage tank body 1 is facilitated, the other end of the protective tube 75 sequentially penetrates through the heat insulation layer 4, the reinforcing layer 3 and the heat conduction layer 2 from outside to inside and extends into the heat conduction layer 2, the other end of the protective tube 75 is fixedly connected to the top of the outer wall of the storage tank body 1, the sealing door 73 is movably sleeved in the through groove on the left side of the protective shell 71, the slide rod 77 is fixedly connected in the grooves on the top and the bottom of the inner wall of the protective shell 71, the pressure spring 76 is movably sleeved at one end of the outer wall of the slide rod 77, the abutting plate 78 is movably sleeved at the other end of the outer wall of the slide rod 77, two ends of the pressure spring 76 are respectively and fixedly connected to one side of the abutting plate 78 and one side of the copper connecting block 72 on the right side, so that the corrosion resistance of the storage tank body 1 can be, can keep warm to the water after the heating, avoid heater strip 6 to switch on always and increase cost, and the device design as an organic whole, avoid the loss of dismantling many times and the inconvenient problem of storage, and the mutual fixed connection of a plurality of layer structures of storage tank body 1 outside, can the proof strength also can improve toughness, make its surface have certain buffer function.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides an anticorrosive heat preservation device for pressure vessel, includes storage tank body (1), its characterized in that, heat-conducting layer (2) have been cup jointed to the outer wall of storage tank body (1) is fixed, back up coat (3) have been cup jointed to the outer wall of heat-conducting layer (2), heat preservation (4) have been cup jointed to the outer wall of back up coat (3) is fixed, aqua storage tank (5) have been seted up with the juncture of back up coat (3) in heat-conducting layer (2), the inside fixedly connected with heater strip (6) of aqua storage tank (5), department fixedly connected with electrochemistry protection device (7) are located in the middle of the top of heat preservation (4) outer wall.

2. The anti-corrosion and thermal-insulation device for the pressure vessel is characterized in that the electrochemical protection device (7) comprises a protective shell (71), the bottom of the protective shell (71) is fixedly connected to the middle of the top of the outer wall of the thermal-insulation layer (4), the left side of the top of the protective shell (71) and the right side of the inner wall are both fixedly connected with a copper connecting block (72), the right side of the copper connecting block (72) is fixedly connected with a lead (74), the outer wall of the lead (74) is movably sleeved with a protective tube (75), one end of the protective tube (75) is fixedly connected to one side of the copper connecting block (72), the other end of the protective tube (75) sequentially penetrates through the thermal-insulation layer (4), the reinforcing layer (3) and the heat-conduction layer (2) from outside to inside and extends into the heat-conduction layer (2), and the other end of the protective tube (75) is fixedly connected to, sealing door (73) have been cup jointed in the activity of the left logical inslot of protective housing (71), fixedly connected with slide bar (77) in the recess of protective housing (71) inner wall top and bottom, pressure spring (76) have been cup jointed in the activity of the one end of slide bar (77) outer wall, butt plate (78) have been cup jointed in the activity of the other end of slide bar (77) outer wall, the both ends of pressure spring (76) are fixed connection respectively in one side of butt plate (78) and one side of copper connecting block (72) on right side.

3. The corrosion-resistant and heat-insulating device for the pressure container as claimed in claim 2, wherein the copper connecting block (72) is in a square shape and a flat plate shape, and the outer wall of the upper end of the sealing door (73) is movably overlapped with a spring plate inside the square copper connecting block (72).

4. The corrosion-resistant and heat-insulating device for the pressure vessel as claimed in claim 1, wherein the heat conducting layer (2) is made of brass, and the thickness of the heat conducting layer (2) in the middle is 0.5 times of the thickness of the heat conducting layer at two ends.

5. The corrosion-resistant heat-preservation device for the pressure vessel as claimed in claim 1, wherein a water inlet pipe and a water outlet pipe are fixedly inserted at the top and the bottom of the inner wall of the water storage tank (5) respectively, and a sealing cover is connected to the top of one end of each of the water inlet pipe and the water outlet pipe in a threaded manner.

6. The corrosion-prevention and heat-preservation device for the pressure vessel as claimed in claim 1, wherein the heating wire (6) is spirally arranged inside the water storage tank (5).