CN110081275B

CN110081275B - Heat preservation device based on petroleum liquid nitrogen pipeline

Info

Publication number: CN110081275B
Application number: CN201910378981.6A
Authority: CN
Inventors: 姚建玉
Original assignee: Jiangsu Shenshi New Material Technology Co ltd
Current assignee: JIANGSU SHENSHI NEW MATERIAL TECHNOLOGY Co.,Ltd.
Priority date: 2019-05-08
Filing date: 2019-05-08
Publication date: 2020-07-21
Anticipated expiration: 2039-05-08
Also published as: CN110081275A

Abstract

The invention provides a heat preservation device based on a petroleum liquid nitrogen pipeline, which comprises a protective shell A, a rectangular groove and a circular hole B, wherein the protective shell A is provided with a rectangular groove; the protective shell A is formed by welding one semicircular shell A and two rectangular plates A; the left end and the right end of the outer wall of the semicircular shell A are symmetrically welded with two rectangular plates A; the semicircular plate A, the semicircular plate B, the semicircular hoop, the semicircular clamping plate, the rubber pad and the heat-insulating layer are also arranged on the semicircular shell B and are the same as the semicircular shell A. According to the invention, the semicircular plate A and the semicircular plate B are matched with the semicircular groove A and the semicircular groove B as well as the semicircular groove C and the semicircular groove D, so that on one hand, the ventilation phenomenon at the joint can be prevented through the matching of the semicircular plate A and the semicircular groove A as well as the semicircular groove C; on the other hand through the cooperation in reinforcing heat preservation effect of semicircle board B and semicircle groove D can prevent that two sets of this devices from taking place to break away from through exogenic action messenger two sets of this devices after connecting.

Description

Heat preservation device based on petroleum liquid nitrogen pipeline

Technical Field

The invention belongs to the technical field of pipeline heat preservation devices, and particularly relates to a heat preservation device based on a petroleum liquid nitrogen pipeline.

Background

In the industrial and municipal fields, there are a large number of transportation pipelines, such as those for oil and nitrogen. In order to avoid the heat dissipation loss of the conveyed medium, the heat loss is prevented from causing heat unbalance, and heat preservation is performed, and corresponding heat preservation measures are generally adopted for pipelines. However, how to improve the heat preservation effect and minimize the intervention of cold air is the key point of the pipeline heat preservation device.

Based on the discovery of the inventor, the existing heat preservation device for the petroleum liquid nitrogen pipeline mainly has the following defects, such as:

the pipeline is seriously influenced by the environment, the temperature is different in one day in a large aspect, water drops are easily formed on the outer wall of the pipeline and the inner wall of the shell of the heat preservation device in a small aspect, the existing device cannot collect and absorb the water drops to cause the water drops, a part of the water drops enter the heat preservation layer to enable the heat preservation layer to be moist and reduce the heat preservation effect, and the water drops remained between the heat preservation layer and the outer wall of the pipeline after the heat preservation layer is saturated are easy to corrode the outer wall of the pipeline in the past, so that the pipeline is aged and damaged in advance; the sealed effect of junction is relatively poor, and the heat preservation device of pipeline all uses multisection heat preservation device to connect and forms, and every section heat preservation device splices each other by two semicircular insulation covers for simple to operate, and the heat preservation measure of current heat preservation device at every section heat preservation device's concatenation and multisection heat preservation device interconnect is more weak, and inside cold air entered into the heat preservation device from concatenation department and junction easily, so reduced heat preservation device's heat preservation effect.

Disclosure of Invention

In order to solve the technical problems, the invention provides a heat preservation device based on a petroleum liquid nitrogen pipeline, which aims to solve the problems that the existing heat preservation device is seriously influenced by the environment and the sealing effect of a joint is poor.

The purpose and the effect of the heat preservation device based on the petroleum liquid nitrogen pipeline are achieved by the following specific technical means:

the heat preservation device based on the petroleum liquid nitrogen pipeline comprises a protective shell A, a semicircular groove B, a rectangular plate A, a circular hole A, a rectangular strip, a semicircular plate A, a semicircular plate B, a semicircular clamp, a semicircular clamping plate, a semicircular clamping groove, a rubber pad, a heat preservation layer, a water absorption layer B, a protective shell B, a semicircular groove C, a semicircular groove D, a rectangular plate B, a rectangular groove and a circular hole B; the protective shell A is formed by welding one semicircular shell A and two rectangular plates A; the left end and the right end of the outer wall of the semicircular shell A are symmetrically welded with two rectangular plates A; the lower side position of the inner wall of the semicircular shell A is provided with a semicircular groove A, and the lower side position of the inner wall of the semicircular shell A is provided with a semicircular groove B at the position of the semicircular groove A; the center positions of the front end faces of the two rectangular plates A are welded with one rectangular strip, and the front end faces of the two rectangular plates A are positioned outside the rectangular strips and are provided with four circular holes A in a rectangular array shape; the top end face of the semicircular shell A is welded with the semicircular plate A; the outer wall of the semicircular plate A is welded with the semicircular plate B; four heat preservation layers are adhered to the inner wall of the semicircular shell A in a rectangular array shape; the protective shell B is formed by welding one semicircular shell B and two rectangular plates B; the lower position of the inner wall of the semicircular shell B is provided with a semicircular groove C, and the inner wall of the semicircular shell B is provided with a semicircular groove D at the position of the semicircular groove C; the front end faces of the two rectangular plates B are respectively provided with one rectangular groove, and the front end faces of the two rectangular plates B are positioned on the outer sides of the rectangular grooves and are respectively provided with four circular holes B in a rectangular array shape; the semicircular plate A, the semicircular plate B, the semicircular hoop, the semicircular clamping plate, the rubber pad and the heat-insulating layer are also arranged on the semicircular shell B and are the same as the semicircular shell A.

Further, the welding of semicircle shell A inner wall is rectangle array form four semicircle clamp, and every equal sliding connection has one on the semicircle clamp semicircle cardboard, and the semicircle shaped plate is the plank structure.

Furthermore, the rear end face of the semicircular clamping plate is provided with the semicircular clamping groove, the longitudinal section of the semicircular clamping groove is of a trapezoidal structure, and the shape of the semicircular hoop is matched with that of the semicircular clamping groove.

Furthermore, a layer of rubber pad is adhered to the front end face of the semicircular clamping plate.

Furthermore, the shape of the semicircular plate A is matched with that of the semicircular groove A.

Furthermore, the shape of the semicircular plate B is matched with that of the semicircular groove B, so that the semicircular plate B can be embedded into the semicircular groove B after installation.

Furthermore, the heat-insulating layer is formed by mutually adhering the water absorbing layer, the heat insulating layer and the water absorbing layer B.

Further, when the protective shell A and the protective shell B are buckled, the rectangular strip can be embedded into the semicircular groove C.

Further, when the protective housing A with protective housing B lock, just the rectangle strip embedding when semi-circular groove C is interior, circular port A with circular port B is adjusted well.

Compared with the prior art, the invention has the following beneficial effects:

due to the arrangement of the semicircular clamping plates, on one hand, the pipeline clamping device can play a certain supporting role when the pipeline is impacted or extruded to prevent external force from directly acting on the pipeline to damage the pipeline; on the other hand, the semicircular clamping groove sliding connection who sets up on the semicircular clamping plate is on semicircular clamp, and semicircular clamping groove and semicircular clamp longitudinal section are trapezium structure, so semicircular clamping plate can only rotate from semicircular clamp and take off, so can prevent that the semicircular clamping plate from dropping from semicircular clamp and causing unnecessary trouble when the installation.

According to the invention, due to the arrangement of the rubber pad, the rubber pad on the semicircular clamping plate is contacted with the outer wall of the pipeline, and the rubber pad can play a certain buffering role when being impacted or extruded.

According to the invention, due to the matched arrangement of the rectangular strips and the rectangular grooves, on one hand, after the protective shell A and the protective shell B are spliced with each other, the rectangular strips are embedded into the rectangular grooves, and the rectangular strips can seal the joint of the protective shell A and the protective shell B, so that the phenomenon that cold air enters the device through the joint to cause the reduction of the heat preservation effect is prevented; on the other hand, when the rectangle strip was embedded into the rectangular channel, circular port A and circular port B were adjusted well each other, so can avoid protective housing A and protective housing B to adjust the waste of time when circular port A and circular port B when fixed.

According to the invention, the semicircular plate A and the semicircular plate B are matched with the semicircular groove A and the semicircular groove B as well as the semicircular groove C and the semicircular groove D, so that on one hand, the ventilation phenomenon at the joint can be prevented through the matching of the semicircular plate A and the semicircular groove A as well as the semicircular groove C; on the other hand through the cooperation in reinforcing heat preservation effect of semicircle board B and semicircle groove D can prevent that two sets of this devices from taking place to break away from through exogenic action messenger two sets of this devices after connecting.

Drawings

Fig. 1 is an axial view structural schematic diagram of a protective shell a of the present invention.

Fig. 2 is a schematic axial view of the protective case B of the present invention.

Fig. 3 is an axial view structural diagram of the protective shell a of the present invention with the thermal insulation layer removed.

FIG. 4 is an axial view of the present invention shown in FIG. 3 with the semicircular snap plate and rubber pad removed.

Fig. 5 is an enlarged schematic view of the structure at a in fig. 4 according to the present invention.

FIG. 6 is an axial view of the semi-circular chuck plate and rubber pad of the present invention.

Figure 7 is an axial view of a thermal layer of the present invention.

Fig. 8 is an enlarged view of the structure of fig. 7 at B according to the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1-protective shell A, 101-semicircular shell A, 10101-semicircular groove A, 10102-semicircular groove B, 102-rectangular plate A, 10201-circular hole A, 2-rectangular strip, 3-semicircular plate A, 4-semicircular plate B, 5-semicircular hoop, 6-semicircular clamping plate, 601-semicircular clamping groove, 7-rubber pad, 8-thermal insulation layer, 801-water absorption layer, 802-thermal insulation layer, 803-water absorption layer B, 9-protective shell B, 901-semicircular shell B, 90101-semicircular groove C, 90102-semicircular groove D, 902-rectangular plate B, 90201-rectangular groove, 90202-circular hole B.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides a heat preservation device based on a petroleum liquid nitrogen pipeline, which comprises: the insulation board comprises a protective shell A1, a semicircular shell A101, a semicircular groove A10101, a semicircular groove B10102, a rectangular plate A102, a circular hole A10201, a rectangular strip 2, a semicircular plate A3, a semicircular plate B4, a semicircular clamp 5, a semicircular clamp plate 6, a semicircular clamp groove 601, a rubber pad 7, a heat preservation layer 8, a water absorption layer 801, a heat preservation layer 802, a water absorption layer B803, a protective shell B9, a semicircular shell B901, a semicircular groove C90101, a semicircular groove D90102, a rectangular plate B902, a rectangular groove 90201 and a circular hole B90202; the protective shell A1 is formed by welding a semicircular shell A101 and two rectangular plates A102; two rectangular plates A102 are symmetrically welded at the left end and the right end of the outer wall of the semicircular shell A101; a semicircular groove A10101 is formed in the lower side position of the inner wall of the semicircular shell A101, and a semicircular groove B10102 is formed in the lower side position of the inner wall of the semicircular shell A101, which is located at the position of the semicircular groove A10101; the center positions of the front end faces of the two rectangular plates A102 are welded with a rectangular strip 2, and the positions, located on the outer sides of the rectangular strips 2, of the front end faces of the two rectangular plates A102 are provided with four circular holes A10201 in a rectangular array shape; the top end face of the semicircular shell A101 is welded with a semicircular plate A3; the outer wall of the semicircular plate A3 is welded with a semicircular plate B4; four heat preservation layers 8 are adhered to the inner wall of the semicircular shell A101 in a rectangular array shape; the protective shell B9 is formed by welding a semicircular shell B901 and two rectangular plates B902; a semicircular groove C90101 is formed in the lower position of the inner wall of the semicircular shell B901, and a semicircular groove D90102 is formed in the position, located at the semicircular groove C90101, of the inner wall of the semicircular shell B901; the front end faces of the two rectangular plates B902 are both provided with a rectangular groove 90201, and the front end faces of the two rectangular plates B902 are both positioned outside the rectangular groove 90201 and are both provided with four circular holes B90202 in a rectangular array; the semicircular shell B901 is also provided with a semicircular plate A3, a semicircular plate B4, a semicircular hoop 5, a semicircular clamping plate 6, a rubber pad 7 and a heat preservation layer 8, which are the same as the semicircular shell A101.

Wherein, the welding of semi-circular shell A101 inner wall rectangular array form has four semi-circular clamps 5, and equal sliding connection has a semi-circular cardboard 6 on every semi-circular clamp 5 to semi-circular plate 6 is the plank structure, and semi-circular cardboard 6 can play the supporting role when the pipeline receives the extrusion, avoids the direct and pipeline contact of object.

Wherein, semicircular clamping groove 601 has been seted up to semicircular clamping plate 6 rear end face, and semicircular clamping groove 601 longitudinal section is trapezium structure to semicircular clamp 5 shape and semicircular clamping groove 601 shape phase-match, so semicircular clamping plate 6 can only follow the rotation of semicircular clamp 5 and take off, prevent that semicircular clamping plate 6 from dropping when the installation.

Wherein, semicircular cardboard 6 front end face is adhered with a layer of rubber pad 7, and rubber pad 7 can play the cushioning effect when the pipeline receives the extrusion.

Wherein, semicircle board A3 and semicircle groove A10101 shape phase-match, so install back semicircle board A3 can inlay in semicircle groove A10101, prevent that the junction from appearing the phenomenon of leaking out.

The semicircular plate B4 is matched with the semicircular groove B10102 in shape, so that the semicircular plate B4 can be embedded into the semicircular groove B10102 after installation, and the two protective shells A1 can be prevented from being separated from each other under the action of external force.

The heat preservation layer 8 is formed by mutually adhering a water absorption layer 801, a heat preservation layer 802 and a water absorption layer B803, so that water drops generated by the outer wall of the pipeline and the inner wall of the semicircular shell A101 due to the temperature difference action can be absorbed through the water absorption layer 801 and the water absorption layer B803, and the heat preservation effect is prevented from being influenced by the humidity of the heat preservation layer 802.

When the protective shell A1 and the protective shell B9 are buckled, the rectangular strip 2 can be embedded into the semicircular groove C90101, so that the rectangular strip 2 can play a sealing role when the protective shell A1 and the protective shell B9 are buckled.

When the protective shell A1 and the protective shell B9 are buckled and the rectangular strip 2 is embedded into the semicircular groove C90101, the circular hole a10201 and the circular hole B90202 are aligned, so that the protective shell A1 and the protective shell B9 can be conveniently fixed by using bolts.

When in use: firstly, combining and fastening the protective shell A1 and the protective shell B9, wherein the method comprises the following steps: firstly, the rectangular strip 2 on the protective shell A1 is embedded into a semicircular groove C90101 on the protective shell B9, at the moment, when the rectangular strip 2 is embedded into the semicircular groove C90101, the circular hole A10201 on the protective shell A1 and the circular hole B90202 on the protective shell B9 are aligned with each other and then fixed by using a fixing bolt, after the fixing is completed, firstly, the semicircular clamping plates 6 on the protective shell A1 and the protective shell B9 can play a certain supporting role when a pipeline is impacted or extruded so as to prevent external force from directly acting on the pipeline to cause pipeline damage; secondly, the rubber pads 7 on the semicircular clamping plates 6 are in contact with the outer wall of the pipeline, and the rubber pads 7 can play a role in buffering when being impacted or extruded; thirdly, the water absorbing layers 801 on the protective shell A1 and the protective shell B9 are both in contact with the outer wall of the pipeline, when water drops appear on the outer wall of the pipeline due to the action of temperature difference, the water drops on the outer wall of the pipeline can be absorbed by the water absorbing layers 801 to prevent the water drops from entering the insulating layer 802 to reduce the humidity of the insulating layer 802 and the insulating effect;

when two devices are connected, the semicircular plate A3 and the semicircular plate B4 on the first protective shell A1 can be embedded, and the semicircular groove A10101 and the semicircular groove B10102 on the second protective shell A1 can be embedded; the semicircular plate A3 and the semicircular plate B4 on the first protective shell B9 can be embedded, and the semicircular groove C90101 and the semicircular groove D90102 on the second protective shell B9 are respectively embedded, so that on one hand, the semicircular plate A3 is matched with the semicircular groove A10101 and the semicircular groove C90101, and the phenomenon of ventilation at the joint can be prevented; on the other hand, the semi-circular plate B4, the semi-circular groove B10102 and the semi-circular groove D90102 are matched to enhance the heat preservation effect, and meanwhile, the two sets of devices can be prevented from being separated from each other through external force after being connected.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. Heat preservation device based on oil liquid nitrogen pipeline, its characterized in that: this heat preservation device based on oil liquid nitrogen pipeline includes: the water-absorbing heat-insulating thermal insulation material comprises a protective shell A (1), a semicircular shell A (101), a semicircular groove A (10101), a semicircular groove B (10102), a rectangular plate A (102), a circular hole A (10201), a rectangular strip (2), a semicircular plate A (3), a semicircular plate B (4), a semicircular hoop (5), a semicircular clamping plate (6), a semicircular clamping groove (601), a rubber pad (7), a thermal insulation layer (8), a water absorbing layer (801), a heat insulating layer (802), a water absorbing layer B (803), a protective shell B (9), a semicircular shell B (901), a semicircular groove C (90101), a semicircular groove D (90102), a rectangular plate B (902), a rectangular groove (90201) and a circular hole B (90202); the protective shell A (1) is formed by welding one semicircular shell A (101) and two rectangular plates A (102); the left end and the right end of the outer wall of the semicircular shell A (101) are symmetrically welded with two rectangular plates A (102); the lower side position of the inner wall of the semicircular shell A (101) is provided with a semicircular groove A (10101), and the lower side position of the inner wall of the semicircular shell A (101) is provided with a semicircular groove B (10102) at the position of the semicircular groove A (10101); the center of the front end faces of the two rectangular plates A (102) is welded with one rectangular strip (2), and the front end faces of the two rectangular plates A (102) are positioned at the outer side of the rectangular strip (2) and are provided with four circular holes A (10201) in a rectangular array shape; the top end face of the semicircular shell A (101) is welded with the semicircular plate A (3); the outer wall of the semicircular plate A (3) is welded with the semicircular plate B (4); four heat preservation layers (8) are adhered to the inner wall of the semicircular shell A (101) in a rectangular array shape; the protective shell B (9) is formed by welding one semicircular shell B (901) and two rectangular plates B (902); a semicircular groove C (90101) is formed in the lower position of the inner wall of the semicircular shell B (901), and a semicircular groove D (90102) is formed in the position, located in the semicircular groove C (90101), of the inner wall of the semicircular shell B (901); the front end faces of the two rectangular plates B (902) are respectively provided with one rectangular groove (90201), and the positions, located on the outer side of the rectangular grooves (90201), of the front end faces of the two rectangular plates B (902) are respectively provided with four circular holes B (90202) in a rectangular array shape; the semicircular plate A (3), the semicircular plate B (4), the semicircular hoop (5), the semicircular clamping plate (6), the rubber pad (7) and the heat-insulating layer (8) are also arranged on the semicircular shell B (901) and the semicircular shell A (101) in the same way;

the inner wall of the semicircular shell A (101) is welded with four semicircular hoops (5) in a rectangular array shape, each semicircular hoop (5) is connected with one semicircular clamping plate (6) in a sliding mode, and each semicircular clamping plate (6) is of a wood plate structure;

the rear end face of the semicircular clamping plate (6) is provided with a semicircular clamping groove (601), the longitudinal section of the semicircular clamping groove (601) is of a trapezoidal structure, and the shape of the semicircular hoop (5) is matched with that of the semicircular clamping groove (601);

when the protective shell A (1) and the protective shell B (9) are buckled, the rectangular strip (2) can be embedded into the semicircular groove C (90101); when protective housing A (1) with protective housing B (9) lock, just rectangle strip (2) embedding when semi-circular groove C (90101) is interior, circular port A (10201) with circular port B (90202) is adjusted well.

2. The heat preservation device based on the petroleum liquid nitrogen pipeline as claimed in claim 1, characterized in that: the front end face of the semicircular clamping plate (6) is adhered with a layer of rubber pad (7).

3. The heat preservation device based on the petroleum liquid nitrogen pipeline as claimed in claim 1, characterized in that: the shape of the semicircular plate A (3) is matched with that of the semicircular groove A (10101).

4. The heat preservation device based on the petroleum liquid nitrogen pipeline as claimed in claim 1, characterized in that: the shape of the semicircular plate B (4) is matched with that of the semicircular groove B (10102).

5. The heat preservation device based on the petroleum liquid nitrogen pipeline as claimed in claim 1, characterized in that: the heat-insulating layer (8) is formed by mutually adhering the water absorbing layer (801), the heat-insulating layer (802) and the water absorbing layer B (803).