CN215060203U - Sealing joint for sleeve type hydrogen heat exchanger - Google Patents
Sealing joint for sleeve type hydrogen heat exchanger Download PDFInfo
- Publication number
- CN215060203U CN215060203U CN202121585279.6U CN202121585279U CN215060203U CN 215060203 U CN215060203 U CN 215060203U CN 202121585279 U CN202121585279 U CN 202121585279U CN 215060203 U CN215060203 U CN 215060203U
- Authority
- CN
- China
- Prior art keywords
- head
- sealing
- heat exchanger
- outer tube
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 81
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 17
- 239000001257 hydrogen Substances 0.000 title claims abstract description 17
- 238000003825 pressing Methods 0.000 claims description 26
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 241000309551 Arthraxon hispidus Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a hydrogen is sealing joint field for heat exchanger, and discloses a sealing joint for bushing type hydrogen heat exchanger, and it includes the sealed head of outer tube, the surface of the sealed head of outer tube has seted up the screw thread, and has cup jointed first sealing washer in the outside of the sealed head of outer tube, the sealed overhead one side fixedly connected with clamp head of keeping away from screw thread on it of outer tube, the sealed head of outer tube and clamp head's inside all runs through and has seted up logical groove, two it equals the through-hole of heat exchanger inner tube external diameter to cooperate to form a aperture between the logical groove, compress tightly overhead seal assembly who is used for compressing tightly itself that is provided with. The utility model discloses a compressing head of connecting on the outer tube sealing head can compress tightly casing heat exchanger's inner tube under seal assembly's effect, strengthens the leakproofness of passing position department between casing heat exchanger outer tube and the inner tube to reduce the outer tube interior cold fluid possibility of leaking.
Description
Technical Field
The utility model belongs to the sealing joint field for the hydrogen heat exchanger specifically is a sealing joint for bushing type hydrogen heat exchanger.
Background
The double-pipe heat exchanger is a heat exchanger which is most widely applied in petrochemical production at present. The device mainly comprises a shell (comprising an inner shell and an outer shell), a U-shaped elbow pipe, a stuffing box and the like. The required pipes can be made of common carbon steel, cast iron, copper, titanium, ceramic glass and the like respectively. The tube is typically secured to a support. Two different media can flow in the tube in opposite directions (or in the same direction) to achieve the purpose of heat exchange.
Cold fluid among the double-pipe heat exchanger carries out circulation flow in the outer tube when using, carries out the heat transfer with the hot gas in the inner tube, therefore the outer tube needs to be sealed, and the inner tube is connected with other equipment, but because the inner tube is located inside the outer tube, so still need to make inner tube and sealing joint head intercommunication when using sealing joint head to seal the outer tube.
The existing sealing joint is generally structured by sealing the outer pipe with threads, and sealing the position passing between the outer pipe and the inner pipe with an O-shaped ring. However, the O-ring is a soft seal, cannot adjust a pressing force, and easily causes leakage of a cold fluid, and for this reason, a sealing joint for a double pipe hydrogen heat exchanger is proposed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the O shape circle that proposes for solving among the above-mentioned background art is soft seal, can't adjust the packing force, causes the problem of the leakage of cold fluid easily, the utility model provides a sealing joint for bushing type hydrogen heat exchanger.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealing joint for bushing type hydrogen heat exchanger, includes the sealed head of outer tube, the surface of the sealed head of outer tube is seted up threadedly, and the outside of the sealed head of outer tube has cup jointed first sealing washer, the sealed overhead one side fixedly connected with of keeping away from screw thread on it of outer tube compresses tightly the head, the sealed head of outer tube and the inside of compressing tightly the head all run through and have seted up logical groove, two it equals the through-hole of heat exchanger inner tube external diameter to lead to the cooperation formation aperture between the groove, compress tightly overhead being provided with and being used for compressing tightly its seal assembly of own.
Further, seal assembly includes the knob that compresses tightly with compressing tightly first thread cover and cup jointing, compress tightly the knob and go up one side inside of keeping away from the pressure head and seted up the device groove, the internal connection in device groove has the second sealing washer that just the internal diameter equals the through-hole with the laminating of the pressure head outside.
Further, the outer diameter of one end, far away from the outer tube sealing head, of the compression knob is larger than that of one end, close to the outer tube sealing head, of the compression knob.
Further, the outer diameter of the first sealing ring is larger than the diameter of the second sealing ring, and the first sealing ring and the second sealing ring are both rubber sealing rings.
Further, the outer diameter of one end, close to the pressing head, of the outer pipe sealing head is larger than that of one end, far away from the pressing head, of the outer pipe sealing head.
Further, the outer surface of one end, close to the pressing head, of the outer pipe sealing head is not provided with threads.
Further, the length of the outer tube sealing head is greater than that of the compression head.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, the outer tube thread sealing connection of outer tube sealing head through screw thread and double-pipe heat exchanger to cup jointed first sealing washer in its sealed department, can strengthen the leakproofness between outer tube sealing head and the double-pipe heat exchanger outer tube through the effect of first sealing washer, and the pressure head of connecting on the outer tube sealing head can compress tightly double-pipe heat exchanger's inner tube under seal assembly's effect, strengthen the leakproofness of passing position department between double-pipe heat exchanger outer tube and the inner tube, thereby reduce the outer tube interior cold fluid possibility of leaking.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure of the present invention;
FIG. 3 is a schematic side view of the present invention;
FIG. 4 is a schematic cross-sectional view along the A-A direction of the present invention;
fig. 5 is a schematic sectional structure of the present invention;
in the figure: 1. an outer tube sealing head; 2. a first seal ring; 3. a compression head; 4. a through hole; 5. a seal assembly; 51. a compression knob; 52. and a second seal ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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.
The sealing joint for the double-pipe hydrogen heat exchanger provided by the embodiment comprises an outer pipe sealing head 1 connected with an outer pipe of the double-pipe heat exchanger, wherein the outer surface of the outer pipe sealing head 1 is provided with a thread for connection, the outer side of the outer pipe sealing head 1 is sleeved with a first sealing ring 2, the sealing property between the outer pipe sealing head 1 and an outer pipe of the double-pipe heat exchanger can be enhanced through the action of the first sealing ring 2, in addition, a pressing head 3 is fixedly connected to one side of the outer pipe sealing head 1, which is far away from the thread, through grooves are respectively formed in the inner parts of the outer pipe sealing head 1 and the pressing head 3 in a penetrating way, a through hole 4 with the diameter equal to the outer diameter of the inner pipe of the heat exchanger is formed between the two through grooves in a matching way, the inner pipe of the double-pipe heat exchanger passes through the through hole 4, and a sealing assembly 5 for pressing the inner pipe of the double-pipe heat exchanger is arranged on the pressing head 3, under the action of the sealing assembly 5, the inner pipe of the double-pipe heat exchanger can be compressed, and the tightness of the penetrating position between the outer pipe and the inner pipe of the double-pipe heat exchanger is enhanced, so that the possibility of leakage of cold fluid in the outer pipe is reduced.
The specific operation mode of the sealing assembly 5 is shown in fig. 5, the sealing assembly 5 includes a pressing knob 51 in threaded sleeve connection with the pressing head 3, an installation groove is formed inside one side of the pressing knob 51 far away from the pressing head 3, a second sealing ring 52 which is attached to the outer side of the pressing head 3 and has an inner diameter equal to that of the through hole 4 is connected inside the installation groove, thus, when the pressing knob 51 is screwed, the pressing knob 51 not only can extrude the pressing head 3 longitudinally to generate pressing force, but also can extrude the second sealing ring 52 transversely to enable the second sealing ring to be attached to the outer side of the pressing head 3, in addition, in order to facilitate rotation of the pressing knob 51, the outer diameter of one end of the pressing knob 51 far away from the outer tube sealing head 1 is larger than the outer diameter of one end of the pressing knob which is close to the outer tube sealing head 1.
As shown in fig. 5, the outer diameter of the first seal ring 2 is larger than the diameter of the second seal ring 52, and both the first seal ring 2 and the second seal ring 52 are rubber seal rings with good sealing performance, wear resistance and corrosion resistance.
For the convenience is installed and is dismantled whole device, as shown in figure 1, the external diameter that is close to the one end of collet 3 on the sealed head 1 of outer tube is greater than the external diameter of the one end of keeping away from collet 3 on it to the surface that is close to the one end of collet 3 on the sealed head 1 of outer tube does not set up the screw thread, in addition, for making this device can with the outer union coupling of double-pipe heat exchanger inseparabler, the length of the sealed head 1 of outer tube is greater than the length of collet 3.
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.
In the idle place of the device, all the electric devices and the drivers matched with the electric devices are arranged, and all the driving parts, which refer to the power element, the electric devices and the adaptive power supply, are connected through the conducting wires by the person skilled in the art, and specific connecting means refer to the following expressions that the electric connection is completed among the electric devices in sequence, and the detailed connecting means are well known in the art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a sealing joint for bushing type hydrogen heat exchanger, a serial communication port, including outer tube sealing head (1), the surface of outer tube sealing head (1) is seted up threadedly, and first sealing washer (2) have been cup jointed in the outside of outer tube sealing head (1), one side fixedly connected with clamping head (3) of screw thread on keeping away from it on outer tube sealing head (1), the inside of outer tube sealing head (1) and clamping head (3) all runs through and has seted up logical groove, two it equals through-hole (4) of heat exchanger inner tube external diameter to cooperate to form a aperture between the logical groove, be provided with on clamping head (3) and be used for compressing tightly its own seal assembly (5).
2. The sealing joint for the double-pipe hydrogen heat exchanger according to claim 1, wherein the sealing assembly (5) comprises a pressing knob (51) in threaded sleeve connection with the pressing head (3), a device groove is formed in one side, away from the pressing head (3), of the pressing knob (51), and a second sealing ring (52) which is attached to the outer side of the pressing head (3) and has an inner diameter equal to that of the through hole (4) is connected to the device groove.
3. The sealing joint for a double pipe hydrogen heat exchanger according to claim 2, wherein the outer diameter of the end of the compression knob (51) remote from the outer pipe sealing head (1) is larger than the outer diameter of the end thereof close to the outer pipe sealing head (1).
4. The sealing joint for a double pipe hydrogen heat exchanger according to claim 2, wherein the first sealing ring (2) has an outer diameter larger than the diameter of the second sealing ring (52), and the first sealing ring (2) and the second sealing ring (52) are both rubber sealing rings.
5. The sealing joint for a double pipe hydrogen heat exchanger according to claim 1, wherein the outer pipe sealing head (1) has an outer diameter at an end thereof close to the compression head (3) that is larger than an outer diameter at an end thereof remote from the compression head (3).
6. A sealing joint for a double pipe hydrogen heat exchanger according to claim 5, wherein the outer surface of the outer pipe sealing head (1) near one end of the compression head (3) is not threaded.
7. A sealing joint for a double pipe hydrogen heat exchanger according to claim 1, wherein the length of the outer pipe sealing head (1) is greater than the length of the compression head (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121585279.6U CN215060203U (en) | 2021-07-13 | 2021-07-13 | Sealing joint for sleeve type hydrogen heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121585279.6U CN215060203U (en) | 2021-07-13 | 2021-07-13 | Sealing joint for sleeve type hydrogen heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215060203U true CN215060203U (en) | 2021-12-07 |
Family
ID=79225735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121585279.6U Expired - Fee Related CN215060203U (en) | 2021-07-13 | 2021-07-13 | Sealing joint for sleeve type hydrogen heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215060203U (en) |
-
2021
- 2021-07-13 CN CN202121585279.6U patent/CN215060203U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211207 |