CN114321362B - Connection structure with heat insulation function and connection method - Google Patents

Connection structure with heat insulation function and connection method Download PDF

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Publication number
CN114321362B
CN114321362B CN202111669819.3A CN202111669819A CN114321362B CN 114321362 B CN114321362 B CN 114321362B CN 202111669819 A CN202111669819 A CN 202111669819A CN 114321362 B CN114321362 B CN 114321362B
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fixing piece
heat insulation
flexible
outside
external connecting
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CN114321362A (en
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李召生
王非
赵东平
王喆
英浩然
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Harbin Boiler Co Ltd
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Harbin Boiler Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The invention relates to the technical field of pressure containers, in particular to a connecting structure with a heat insulation function and a connecting method, aiming at solving the problems that the heat (cold) quantity of the traditional connecting structure is lost and the traditional connecting structure is limited in operation space and construction conditions, and sometimes is difficult or even difficult to realize, a fixing piece is cylindrical, the fixing piece is fixed on a shell, the middle part of a flexible heat insulation sleeve is inserted into the fixing piece, the end part of the flexible heat insulation sleeve is coated outside the fixing piece, a gland is sleeved outside an external connecting piece and is fixedly connected with the external connecting piece, the external connecting piece is inserted into the inside of the flexible heat insulation sleeve, the gland is coated outside the flexible heat insulation sleeve, a bolt penetrates through the fixing piece, the bolt is connected with a nut arranged outside the fixing piece, and the structure can be assembled by welding in advance by adopting a part in welded connection.

Description

Connection structure with heat insulation function and connection method
Technical Field
The invention relates to the technical field of pressure vessels, in particular to a connecting structure with a heat insulation function and a connecting method.
Background
The pressure vessel is a device for providing physical space for the realization of chemical processes such as separation, extraction, reaction, storage and the like, the chemical processes can be realized under the condition of certain temperature and pressure, and the maintenance of the temperature and the pressure is an important expression of the functions of the pressure vessel. The temperature rise or fall in the container may cause interruption or excessive amount of chemical process, resulting in reduced yield and purity of chemical products, resulting in significant economic loss, so that the container is covered with a heat insulation (cold) layer, but since the metal outer surface of many containers needs to be connected and fixed with other equipment, pipelines and the like through metal structural members, the metal structural members penetrate the heat insulation (cold) layer, and the heat (cold) quantity in the container may be dissipated along the metal connecting members. The heat (cold) loss can cause the local structure of the metal shell of the container and the surrounding temperature gradient, temperature difference stress exists, the stress index in the shell structure exceeds the design value to cause the failure of the pressure-bearing shell, the leakage of internal media, and secondary disasters such as fire, explosion, poisoning and the like are generated. Conventional all-metal welded structures require the use of welding equipment to complete the assembly, but are limited to operating spaces and construction conditions, sometimes difficult to construct and even difficult to achieve.
Disclosure of Invention
The purpose of the patent of the invention is that: the invention provides a connecting structure with a heat insulation function and a connecting method, which aims to solve the problems that the traditional connecting structure adopts an all-metal welding structure, and heat (cold) quantity dissipation channels exist due to incomplete heat (cold) insulation measures, so that unstable temperature in a container is easy to cause, and the connecting structure is limited in operation space and construction conditions and is difficult or even difficult to realize sometimes.
The purpose of the invention is realized in the following way: the connecting structure with the heat insulation function comprises an external connecting piece, a gland, a flexible heat insulation sleeve, a fixing piece and a shell;
the mounting is cylindric, and the mounting is fixed on the casing, and the bottom of flexible thermal insulation cover seals the setting, and the top of flexible thermal insulation cover is uncovered to be set up, and flexible thermal insulation cover inserts the inside that sets up at the mounting, and the bottom of flexible thermal insulation cover is leaned on the casing setting, and flexible thermal insulation cover top is equipped with outside extension border, and the border cladding sets up the outside at the mounting, the gland suit outside at external connecting piece and with external connecting piece fixed connection, the external connecting piece inserts the inside that sets up at flexible thermal insulation cover, and the gland cladding sets up the outside at flexible thermal insulation cover, the bolt runs through mounting, flexible thermal insulation cover and external connecting piece setting, and after the bolt passed mounting twice lateral wall, the bolt is connected with the nut that sets up at the mounting outside.
Further, the connecting structure further comprises a pin, and the pin penetrates through the nut and the bolt.
Still further, the outside of upper end and lower extreme of bolt all suit is provided with the bush.
Further, the connecting structure further comprises a heat preservation layer, and the heat preservation layer is sleeved outside the fixing piece.
Still further, the mounting is welded to the housing.
Further, the gland is welded with the external connecting piece.
A connection method of a connection structure with a heat insulation function comprises the following steps:
step one: fixing the fixing piece and the shell in a welding mode;
step two: inserting the flexible heat insulation sleeve into the fixing piece, and sleeving the end part of the flexible heat insulation sleeve outside the fixing piece;
step three: sleeving the gland outside the external connecting piece, and welding the gland and the external connecting piece;
step four: inserting the external connecting piece into the flexible heat insulation sleeve, and sleeving the gland on the outer part of the flexible heat insulation sleeve;
step five: the bolts penetrate through the side wall of the fixing piece, the side wall of the flexible heat insulation sleeve and the external connecting piece and then are connected with the nuts.
Step six: and a heat preservation layer is sleeved outside the fixing piece.
The beneficial effects are that:
1. the structure of the invention can solve the problem of heat (cold) loss caused by the connection of an external structural member and the metal surface of the container, the metal parts are isolated by adopting the flexible heat insulation sleeve made of the flexible heat insulation material, and the heat insulation layer wraps the position which is not covered by the flexible heat insulation sleeve, so that the heat (cold) loss at the connection position can be avoided. The safety and the reliability of the container are effectively protected.
2. Because the structure of the invention adopts the flexible material, the clearance can be eliminated by extruding the flexible material during installation, so that the parts can be reliably assembled without high machining precision, and the manufacturing difficulty is reduced. Meanwhile, as the flexible material has good vibration absorbing capacity, vibration transmitted by other equipment through the external connecting piece cannot cause adverse effects such as fatigue and the like on the container body.
3. The structure of the invention adopts the parts which are welded and connected to finish welding assembly in advance, then the two parts of the welded parts are connected and fixed by the fastener, and the installation can be finished by only a spanner, thus the invention has small influence on the operation space and the construction environment and is simple and convenient to assemble.
4. The bolts and nuts adopted by the invention are prefabricated to form holes, and are connected by the pins after being installed in place, so that the nuts can be prevented from falling off and falling off, and the reliable structure function is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic top view of the structure of the present invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention and are not to be construed as limiting the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless expressly stated otherwise, as understood by those skilled in the art. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or coupled. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" 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 should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
For the purpose of facilitating an understanding of the embodiments of the invention, reference will now be made to the drawings of several specific embodiments illustrated in the drawings and in no way should be taken to limit the embodiments of the invention.
The first embodiment is as follows: the connecting structure with the heat insulation function comprises an external connecting piece 1, a gland 2, a flexible heat insulation sleeve 3, a fixing piece 8 and a shell 10;
the mounting 8 is cylindric, and mounting 8 is fixed on casing 10, and the bottom of flexible thermal insulation cover 3 seals the setting, and the top of flexible thermal insulation cover 3 is uncovered to be set up, and flexible thermal insulation cover 3 inserts the inside that sets up at mounting 8, and the bottom of flexible thermal insulation cover 3 is leaned on casing 10 to be set up, and flexible thermal insulation cover 3 top is equipped with outside extension border, and the border cladding sets up the outside at mounting 8, gland 2 suit outside and with external connection 1 fixed connection at external connection 1, external connection 1 inserts the inside that sets up at flexible thermal insulation cover 3, gland 2 cladding sets up in the outside of flexible thermal insulation cover 3, bolt 6 runs through mounting 8, flexible thermal insulation cover 3 and external connection 1 setting, and after bolt 6 passed the both sides wall of mounting 8, bolt 6 is connected with the nut that sets up at mounting 8 outsidely.
In this embodiment, the following will be described: the structure of the invention can solve the problem of heat (cold) loss caused by the connection of the external structural member and the metal surface of the container, the metal parts are isolated by adopting the flexible heat insulation sleeve made of the flexible heat insulation material, and the heat insulation layer wraps the position which is not covered by the flexible heat insulation sleeve, so that the heat (cold) loss at the connection position can be avoided. The safety and the reliability of the container are effectively protected.
The second embodiment is as follows: the connecting structure with the heat insulation function further comprises a pin 4, and the pin 4 is arranged through a nut 5 and a bolt 6.
In this embodiment, the following will be described: the side wall of the nut is provided with two symmetrically arranged positioning holes, the bolt is provided with a kidney-shaped hole which is vertically arranged, the nut is arranged on the bolt, the nut is in threaded connection with the bolt, when the nut rotates to a proper position, a pin can be inserted into the positioning hole of the nut, and the pin sequentially penetrates through one positioning hole of the nut, the kidney-shaped hole of the bolt and the other positioning hole of the nut, so that the positioning of the nut is completed.
The bolts and nuts adopted by the invention are prefabricated to form holes, and are connected by the pins after being installed in place, so that the nuts can be prevented from falling off and falling off, and the reliable structure function is ensured.
Other embodiments are the same as the first embodiment.
And a third specific embodiment: a connecting structure with a heat insulation function is characterized in that bushings 9 are sleeved outside the upper end and the lower end of the bolt 6.
Other embodiments are the same as the second embodiment.
The specific embodiment IV is as follows: the utility model provides a connection structure with thermal insulation function, connection structure still includes heat preservation 7, heat preservation 7 suit is in the outside of mounting 8.
Other embodiments are the same as the third embodiment.
Fifth embodiment: a connecting structure with a heat insulation function is characterized in that a fixing piece 8 is welded with a shell 10.
In this embodiment, the following will be described: the structure of the invention adopts the parts which are welded and connected to finish welding assembly in advance, then the two parts of the welded parts are connected and fixed by the fastener, and the installation can be finished by only a spanner, thus the invention has small influence on the operation space and the construction environment and is simple and convenient to assemble.
Other embodiments are the same as the first embodiment.
Specific embodiment six: the gland 2 is welded with the external connecting piece 1.
In this embodiment, the following will be described: the structure of the invention adopts the parts which are welded and connected to finish welding assembly in advance, then the two parts of the welded parts are connected and fixed by the fastener, and the installation can be finished by only a spanner, thus the invention has small influence on the operation space and the construction environment and is simple and convenient to assemble.
Other embodiments are the same as the first embodiment.
Seventh embodiment: a connection method of a connection structure with a heat insulation function is used for connecting the connection structure with the heat insulation function, and specifically comprises the following steps:
step one: fixing the fixing piece 8 and the shell 10 in a welding mode;
step two: inserting the flexible heat insulation sleeve 3 into the fixing piece 8, and sleeving the end part of the flexible heat insulation sleeve 3 outside the fixing piece 8;
step three: sleeving the gland 2 outside the external connecting piece 1, and welding the gland 2 and the external connecting piece 1;
step four: the external connecting piece 1 is inserted into the flexible heat insulation sleeve 3, and the gland 2 is sleeved outside the flexible heat insulation sleeve 3;
step five: the bolt 6 passes through the side wall of the fixing piece 8, the side wall of the flexible heat insulation sleeve 3 and the external connecting piece 1 and then is connected with the nut 5.
Step six: and a heat preservation layer 7 is sleeved outside the fixing piece 8.
Working principle:
a connecting structure with heat insulation function comprises an external connecting piece, a gland, a flexible heat insulation sleeve, a fixing piece and a shell
The mounting is cylindric, and the mounting is fixed on the casing, and the middle part of flexible thermal insulation cover inserts the inside that sets up at the mounting, and the tip cladding of flexible thermal insulation cover sets up the outside at the mounting, the gland suit is outside at external connecting piece and with external connecting piece fixed connection, the external connecting piece inserts the inside that sets up at flexible thermal insulation cover, and the gland cladding sets up the outside at flexible thermal insulation cover, the bolt runs through the mounting setting, and the bolt is connected with the nut that sets up at the mounting outside.
The connecting structure further comprises a pin, and the pin penetrates through the nut and the bolt.
The upper end and the outer portion of lower extreme of bolt all suit is provided with the bush.
The connecting structure further comprises a heat preservation layer, and the heat preservation layer is sleeved outside the fixing piece.
The fixing piece is welded with the shell.
The gland is welded with the external connecting piece.
A connection method with a connection structure with a heat insulation function is used for connecting the connection structure with the heat insulation function, and specifically comprises the following steps:
step one: fixing the fixing piece and the shell in a welding mode;
step two: inserting the flexible heat insulation sleeve into the fixing piece, and sleeving the end part of the flexible heat insulation sleeve outside the fixing piece;
step three: sleeving the gland outside the external connecting piece, and welding the gland and the external connecting piece;
step four: inserting the external connecting piece into the flexible heat insulation sleeve, and sleeving the gland on the outer part of the flexible heat insulation sleeve;
step five: the bolts penetrate through the side wall of the fixing piece, the side wall of the flexible heat insulation sleeve and the external connecting piece and then are connected with the nuts.
Step six: and a heat preservation layer is sleeved outside the fixing piece.
The flexible heat insulation sleeve is arranged after the fixing piece and the shell are assembled in a welding mode as shown in the figure 1; welding the external connecting piece and the gland, then inserting one end of the external connecting piece into the pre-welded piece with the flexible heat insulation sleeve, and tightly pressing the flexible heat insulation sleeve by the gland and the external connecting piece; the fixing piece, the flexible heat insulation sleeve and the center of the prefabricated hole on the external connecting piece are aligned, after the flexible bolt is inserted into the hole, the bolt penetrates into and tightly presses the flexible heat insulation sleeve, one end of the bolt is screwed into the nut with the pin hole and tightly presses the flexible heat insulation sleeve, the pin is installed after the nut is aligned with the prefabricated pin hole of the bolt, and finally the equipment heat insulation layer is installed.
Example 1:
a connection structure with a heat insulation function and a connection method thereof, the composition of which comprises: connection structure, characterized by: the connecting structure comprises an external connecting piece, a flexible heat insulation sleeve, a fixing piece and a bushing, wherein the external connecting piece is screwed and fixed by bolts and nuts, and the external connecting piece is welded and connected with the gland. The fixing piece is welded with the shell. The bolt and the nut are connected by adopting threads and pins.
Example 2:
a connection structure with a heat insulation function and a connection method are utilized, and the method comprises the following steps:
the flexible heat insulation sleeve is arranged after the fixing piece and the shell are assembled in a welding mode as shown in the figure 1; welding the external connecting piece and the gland, then inserting one end of the external connecting piece into the fixed piece provided with the flexible heat insulation sleeve, and tightly pressing the flexible heat insulation sleeve by the gland and the external connecting piece; the fixing piece, the flexible heat insulation sleeve and the center of the prefabricated hole on the external connecting piece are aligned, after the bushing is inserted into the hole, the bolt penetrates into and tightly presses the bushing, one end of the bolt is screwed into the nut with the opened pin hole and compresses the bushing, the pin is installed after the nut is aligned with the prefabricated pin hole of the bolt, and finally the equipment heat insulation layer is installed.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (7)

1. A connection structure with thermal insulation function, its characterized in that: the device comprises an external connecting piece (1), a gland (2), a flexible heat insulation sleeve (3), a bolt (6), a fixing piece (8) and a shell (10);
the utility model provides a fixing piece (8) is cylindric, fixing piece (8) are fixed on casing (10), and the bottom of flexible thermal insulation cover (3) seals the setting, and the top of flexible thermal insulation cover (3) is uncovered to be set up, and flexible thermal insulation cover (3) inserts the inside that sets up at fixing piece (8), and the bottom of flexible thermal insulation cover (3) is leaned on casing (10) to set up, and flexible thermal insulation cover (3) top is equipped with outside extension border, and the border cladding sets up the outside at fixing piece (8), gland (2) suit outside and with external connecting piece (1) fixed connection at external connecting piece (1), outside connecting piece (1) inserts the inside that sets up at flexible thermal insulation cover (3), gland (2) cladding sets up outside at flexible thermal insulation cover (3), bolt (6) run through fixing piece (8), flexible thermal insulation cover (3) and external connecting piece (1), and bolt (6) pass behind the both sides wall of fixing piece (8), bolt (6) and set up at the outside nut of fixing piece (8).
2. The connection structure with a heat insulating function according to claim 1, wherein: the connecting structure further comprises a pin (4), and the pin (4) penetrates through the nut (5) and the bolt (6).
3. The connection structure with a heat insulating function according to claim 2, characterized in that: the upper end and the lower end of the bolt (6) are sleeved with bushings (9).
4. A connection structure with a heat insulating function according to claim 3, characterized in that: the connecting structure further comprises an insulation layer (7), and the insulation layer (7) is sleeved outside the fixing piece (8).
5. The connection structure with a heat insulating function according to claim 4, wherein: the fixing piece (8) is welded with the shell (10).
6. The connection structure with a heat insulating function according to claim 5, wherein: the gland (2) is welded with the external connecting piece (1).
7. A connection method of the connection structure having a heat insulating function according to any one of claims 1 to 6, characterized in that: the method comprises the following steps:
step one: fixing the fixing piece (8) and the shell (10) in a welding mode;
step two: inserting the flexible heat insulation sleeve (3) into the fixing piece (8), and sleeving the end part of the flexible heat insulation sleeve (3) outside the fixing piece (8);
step three: sleeving the gland (2) outside the external connecting piece (1), and welding the gland (2) and the external connecting piece (1);
step four: inserting the external connecting piece (1) into the flexible heat insulation sleeve (3), and sleeving the gland (2) outside the flexible heat insulation sleeve (3);
step five: the bolts (6) penetrate through the side wall of the fixing piece (8), the side wall of the flexible heat insulation sleeve (3) and the external connecting piece (1) and then are connected with the nuts (5);
step six: and a heat preservation layer (7) is sleeved outside the fixing piece (8).
CN202111669819.3A 2021-12-30 2021-12-30 Connection structure with heat insulation function and connection method Active CN114321362B (en)

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Application Number Priority Date Filing Date Title
CN202111669819.3A CN114321362B (en) 2021-12-30 2021-12-30 Connection structure with heat insulation function and connection method

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Application Number Priority Date Filing Date Title
CN202111669819.3A CN114321362B (en) 2021-12-30 2021-12-30 Connection structure with heat insulation function and connection method

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CN114321362B true CN114321362B (en) 2023-04-28

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050247365A1 (en) * 2004-05-08 2005-11-10 Schwartz Ben B Sectional heat insulating jacket
CN202692097U (en) * 2012-08-05 2013-01-23 哈尔滨锅炉厂有限责任公司 Smoke extraction device with anti-coking function
CN204533941U (en) * 2015-03-11 2015-08-05 顾地科技股份有限公司 A kind of flexible heat-insulating plastic pipe linkage structure
CN205227273U (en) * 2015-12-23 2016-05-11 哈尔滨锅炉厂有限责任公司 A sealing device for exhaust -heat boiler through -wall pipe
CN106247086A (en) * 2016-08-30 2016-12-21 哈尔滨锅炉厂有限责任公司 A kind of pressure vessel internals heat insulation structural and preparation method
CN111442184A (en) * 2020-04-20 2020-07-24 辰一(上海)石油天然气工程技术有限公司 Double-deck spherical tank is with takeover connection structure and double-deck spherical tank
CN113623480A (en) * 2021-09-14 2021-11-09 黑龙江德明科技开发有限公司 Water seepage prevention and corrosion prevention device at joint of underground pipe network and construction method

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