CN215177199U - Water-tight interface structure for all-welded heat exchanger - Google Patents

Water-tight interface structure for all-welded heat exchanger Download PDF

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Publication number
CN215177199U
CN215177199U CN202120971218.7U CN202120971218U CN215177199U CN 215177199 U CN215177199 U CN 215177199U CN 202120971218 U CN202120971218 U CN 202120971218U CN 215177199 U CN215177199 U CN 215177199U
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China
Prior art keywords
joint
annular groove
ring
heat exchanger
sealing gasket
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CN202120971218.7U
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Chinese (zh)
Inventor
李广辉
贾乾增
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Shandong Shiguang Industrial Equipment Group Co ltd
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Shandong Shiguang Industrial Equipment Manufacturing Co ltd
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Abstract

The utility model discloses a water sealing interface structure for an all-welded heat exchanger, which comprises a first joint and a second joint, a first annular groove is arranged on one side of the first joint, a first sealing gasket is fixedly attached to the inner wall of the first annular groove, a first inserting ring is welded on one side of the first joint outside the first annular groove, a second annular groove is arranged on one side of the second joint, a second sealing gasket is fixedly attached to the inner wall of the second annular groove, a second inserting ring is welded on one side of a second joint on the inner side of the second annular groove, the first joint is butted with the second joint, the first inserting ring is inserted into the second annular groove and is contacted with the second sealing gasket, the second inserting ring is inserted into the first annular groove and is in contact with the first sealing gasket, and the first joint and the second joint are fixed through bolts and fastening nuts. The utility model has the advantages of dual butt joint seal structure strengthens sealing performance.

Description

Water-tight interface structure for all-welded heat exchanger
Technical Field
The utility model relates to a heat exchanger technical field specifically is a water-stop interface structure for all-welded heat exchanger.
Background
The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, and is also called as a heat exchanger. The heat exchanger plays an important role in chemical industry, petroleum industry, power industry, food industry and other industrial production.
The heat exchanger is an energy-saving device for transferring heat between materials between two or more fluids with different temperatures, and is used for transferring heat from the fluid with higher temperature to the fluid with lower temperature to make the temperature of the fluid reach the index specified by the process so as to meet the requirements of process conditions, and is also one of main devices for improving the utilization rate of energy. The heat exchanger industry relates to more than 30 industries such as heating ventilation, pressure vessels, reclaimed water treatment equipment, chemical industry, petroleum and the like, and an industrial chain is formed mutually.
The joint on the general heat exchanger adopts butt joint sealing, only one layer of sealing structure is arranged in the joint, the sealing is not strict, and the phenomenon of water leakage exists after the joint is used for a long time.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an all-welded is water-stop interface structure for heat exchanger possesses dual butt joint seal structure, strengthens sealing performance's advantage, has solved only one deck seal structure in the joint, and is sealed rigorous inadequately, has the problem of the phenomenon of leaking after using for a long time.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a water-stop interface structure for all-welded heat exchanger, includes that first joint and second connect, first ring channel has been seted up to first joint one side, the laminating of first ring channel inner wall is fixed with first sealed the pad, the welding of first joint one side in the first ring channel outside has first grafting ring, the second ring channel has been seted up to second joint one side, the laminating of second ring channel inner wall is fixed with the sealed pad of second, and the welding of second joint one side of second ring channel inboard has the second to insert and connect the ring, first joint and second joint butt joint, first grafting ring injects in the second ring channel, first grafting ring and the sealed pad contact of second, second grafting ring injects in the first ring channel, the second inserts ring and the first sealed pad contact of filling, first joint and second joint are fixed through bolt and fastening nut.
Preferably, the first annular groove is not communicated with a through hole formed in the middle of the first joint, and one side of the first sealing gasket is aligned with one side of the first annular groove.
Preferably, the second annular groove is not communicated with a through hole formed in the middle of the second joint, and one side of the second sealing gasket is aligned with one side of the second annular groove.
Preferably, the first plug-in ring corresponds to the second annular groove, and the first plug-in ring is matched with the second annular groove.
Preferably, the second plug-in ring corresponds to the first annular groove, and the second plug-in ring is matched with the first annular groove.
Preferably, the first joint is provided with six first through holes matched with the bolts in an annular array, the second joint is provided with six second through holes matched with the bolts in an annular array, the six second through holes correspond to the six first through holes in a one-to-one mode, the bolts penetrate through the second through holes and the first through holes, and one end of each bolt is provided with a fastening nut in a threaded mode.
Compared with the prior art, the beneficial effects of the utility model are as follows: the utility model discloses a set up first grafting ring, first ring channel, second grafting ring sum second ring channel, reached dual butt joint seal structure, strengthen sealing performance's effect. The utility model is provided with a first plug-in ring, a first annular groove, a second plug-in ring and a second annular groove, and a first joint is connected with an external fluid conveying pipeline; the second joint is connected with a pipeline on the heat exchanger. When the first joint is in butt joint with the second joint, the first plug-in ring is correspondingly inserted into the second annular groove, the second sealing gasket is propped against the first plug-in ring under the action of self elasticity under the compression of the first plug-in ring, and the first plug-in ring is tightly contacted with the second sealing gasket; meanwhile, the second plug-in ring is correspondingly inserted into the first annular groove, under the compression of the second plug-in ring, the first sealing gasket is propped against the second plug-in ring under the action of self elastic force, and the second plug-in ring is tightly contacted with the first sealing gasket. And a first through hole formed in the first joint corresponds to a second through hole formed in the second joint, the bolt penetrates through the second through hole and the first through hole, a fastening nut is arranged at one end of the bolt in a threaded manner, and the fastening nut is screwed down to fix the first joint and the second joint. The first inserting ring and the second annular groove as well as the second inserting ring and the first annular groove form a double butt sealing structure, so that the sealing performance is enhanced.
Drawings
Fig. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the connection structure of the present invention in a front sectional view;
fig. 3 is an enlarged schematic view of fig. 2 a according to the present invention;
fig. 4 is a schematic view of a connection structure of a first joint in a front cross-sectional view according to the present invention;
fig. 5 is a schematic view of a connection structure of the second joint in front cross section.
In the figure: 1. a first joint; 2. fastening a nut; 3. a bolt; 4. a second joint; 5. a first gasket; 6. a first plug-in ring; 7. a second gasket; 8. a second plug-in ring; 9. a first annular groove; 10. a first through hole; 11. a second annular groove; 12. a second via.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Referring to fig. 1 to 5, the present invention provides an embodiment: the utility model provides a water-stop interface structure for all-welded heat exchanger, includes that first joint 1 and second connect 4, first ring channel 9 has been seted up to first joint 1 one side, first ring channel 9 does not communicate with the perforating hole of seting up in the middle of first joint 1, the laminating of first ring channel 9 inner wall is fixed with first sealed pad 5, one side of first sealed pad 5 aligns with one side of first ring channel 9, the welding of first joint 1 one side in the first ring channel 9 outside has first grafting ring 6, outside fluid conveying pipeline is connected to first joint 1. A second annular groove 11 is formed in one side of the second joint 4, the second annular groove 11 is not communicated with a through hole formed in the middle of the second joint 4, a second sealing gasket 7 is fixedly attached to the inner wall of the second annular groove 11, one side of the second sealing gasket 7 is aligned with one side of the second annular groove 11, a second inserting ring 8 is welded on one side of the second joint 4 on the inner side of the second annular groove 11, and the second joint 4 is connected with a pipeline on the heat exchanger.
The first joint 1 is butted with the second joint 4, the first inserting ring 6 corresponds to the second annular groove 11, the first inserting ring 6 is inserted into the second annular groove 11, the first inserting ring 6 is matched with the second annular groove 11, the first inserting ring 6 is contacted with the second sealing gasket 7, under the compression of the first inserting ring 6, the second sealing gasket 7 is propped against the first inserting ring 6 under the action of self elastic force, and the first inserting ring 6 is tightly contacted with the second sealing gasket 7. The second plug ring 8 corresponds to the first annular groove 9, the second plug ring 8 is inserted into the first annular groove 9, the second plug ring 8 is matched with the first annular groove 9, the second plug ring 8 is in contact with the first sealing gasket 5, under the compression of the second plug ring 8, the first sealing gasket 5 supports against the second plug ring 8 under the action of self elasticity, and the second plug ring 8 is in close contact with the first sealing gasket 5. The first inserting ring 6, the second annular groove 11, the second inserting ring 8 and the first annular groove 9 form a double butt sealing structure, and sealing performance is enhanced.
Example 2
Referring to fig. 1 and fig. 2, the present invention provides an embodiment: the utility model provides a water seal interface structure for all-welded heat exchanger, first joint 1 and second connect 4 to pass through bolt 3 and fastening nut 2 fixed, first joint 1 is last to be annular array and seted up six and bolt 3 assorted first through-hole 10, second joint 4 is last to be annular array and seted up six and bolt 3 assorted second through-hole 12, six second through-holes 12 and six first through-hole 10 one-to-one, bolt 3 passes second through-hole 12 and first through-hole 10, fastening nut 2 is installed to one end screw thread of bolt 3, tighten fastening nut 2, it is fixed with second joint 4 to make first joint 1.
The working principle is as follows: the first joint 1 is butted with the second joint 4, the first plug-in ring 6 is inserted into the second annular groove 11, and the first plug-in ring 6 is contacted with the second sealing gasket 7; the second plug ring 8 is inserted into the first annular groove 9, the second plug ring 8 is in contact with the first sealing gasket 5, and the first plug ring 6, the second annular groove 11, the second plug ring 8 and the first annular groove 9 form a double butt sealing structure.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides an all-welded is water-stop interface structure for heat exchanger, includes first joint (1) and second joint (4), its characterized in that: the sealing structure is characterized in that a first annular groove (9) is formed in one side of the first joint (1), a first sealing gasket (5) is fixedly attached to the inner wall of the first annular groove (9), a first inserting ring (6) is welded to one side of the first joint (1) on the outer side of the first annular groove (9), a second annular groove (11) is formed in one side of the second joint (4), a second sealing gasket (7) is fixedly attached to the inner wall of the second annular groove (11), a second inserting ring (8) is welded to one side of the second joint (4) on the inner side of the second annular groove (11), the first joint (1) is in butt joint with the second joint (4), the first inserting ring (6) is inserted into the second annular groove (11), the first inserting ring (6) is in contact with the second sealing gasket (7), the second inserting ring (8) is inserted into the first annular groove (9), and the second inserting ring (8) is in contact with the first sealing gasket (5), the first joint (1) and the second joint (4) are fixed through a bolt (3) and a fastening nut (2).
2. The water sealing interface structure for the all-welded heat exchanger according to claim 1, wherein: the first annular groove (9) is not communicated with a through hole formed in the middle of the first joint (1), and one side of the first sealing gasket (5) is aligned with one side of the first annular groove (9).
3. The water sealing interface structure for the all-welded heat exchanger according to claim 1, wherein: the second annular groove (11) is not communicated with a through hole formed in the middle of the second joint (4), and one side of the second sealing gasket (7) is aligned with one side of the second annular groove (11).
4. The water sealing interface structure for the all-welded heat exchanger according to claim 1, wherein: the first plug-in ring (6) corresponds to the second annular groove (11), and the first plug-in ring (6) is matched with the second annular groove (11).
5. The water sealing interface structure for the all-welded heat exchanger according to claim 1, wherein: the second plug-in ring (8) corresponds to the first annular groove (9), and the second plug-in ring (8) is matched with the first annular groove (9).
6. The water sealing interface structure for the all-welded heat exchanger according to claim 1, wherein: be the annular array on first joint (1) and seted up six and bolt (3) assorted first through-hole (10), be the annular array on second joint (4) and seted up six and bolt (3) assorted second through-hole (12), six second through-holes (12) and six first through-hole (10) one-to-one, bolt (3) pass second through-hole (12) and first through-hole (10), and fastening nut (2) are installed to the one end screw thread of bolt (3).
CN202120971218.7U 2021-05-08 2021-05-08 Water-tight interface structure for all-welded heat exchanger Active CN215177199U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120971218.7U CN215177199U (en) 2021-05-08 2021-05-08 Water-tight interface structure for all-welded heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120971218.7U CN215177199U (en) 2021-05-08 2021-05-08 Water-tight interface structure for all-welded heat exchanger

Publications (1)

Publication Number Publication Date
CN215177199U true CN215177199U (en) 2021-12-14

Family

ID=79367496

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202120971218.7U Active CN215177199U (en) 2021-05-08 2021-05-08 Water-tight interface structure for all-welded heat exchanger

Country Status (1)

Country Link
CN (1) CN215177199U (en)

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Address after: No. 44, Zone 5, Jinzhuang Village, Zhangxia Street, Changqing District, Jinan City, Shandong Province, 250308

Patentee after: Shandong Shiguang Industrial Equipment Group Co.,Ltd.

Address before: 250000 north of liantaishan Road, Zhangxia Town, Changqing District, Jinan City, Shandong Province

Patentee before: SHANDONG SHIGUANG INDUSTRIAL EQUIPMENT MANUFACTURING Co.,Ltd.