CN216643449U - Improve boiler tee bend of leakproofness - Google Patents
Improve boiler tee bend of leakproofness Download PDFInfo
- Publication number
- CN216643449U CN216643449U CN202220212731.2U CN202220212731U CN216643449U CN 216643449 U CN216643449 U CN 216643449U CN 202220212731 U CN202220212731 U CN 202220212731U CN 216643449 U CN216643449 U CN 216643449U
- Authority
- CN
- China
- Prior art keywords
- pipe
- heat exchange
- sealing
- exchange tube
- groove
- 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 claims abstract description 56
- 238000009434 installation Methods 0.000 abstract description 12
- 239000002184 metal Substances 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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- Branch Pipes, Bends, And The Like (AREA)
Abstract
The utility model relates to the field of metal pipe fittings, in particular to a boiler tee joint capable of improving sealing performance, which comprises a tee pipe and three pipe orifices arranged on the tee pipe; the device is characterized by also comprising a sealing structure arranged on the pipe orifice; the sealing structure comprises a mounting groove arranged on the pipe orifice, a sealing groove arranged in the mounting groove and a sealing ring arranged in the sealing groove. According to the utility model, through the arrangement of the sealing structure, when the heat exchange tube is connected and installed with the three-way pipe, the heat exchange tube is inserted into the installation groove, and the sealing ring in the installation groove is extruded, so that the joint of the heat exchange tube and the three-way pipe is sealed, and the sealing property is improved; through the setting of guide block, when the hot vapour was through the junction of play vapour mouth of pipe and heat exchange tube, can keep away from the gap of play vapour mouth of pipe and heat exchange tube junction along the face of guide block to reduce the contact in hot vapour and gap, reduce the volume that hot vapour got into the gap, thereby improve the leakproofness of three-way pipe.
Description
Technical Field
The utility model relates to the field of metal pipe fittings, in particular to a boiler tee joint for improving the sealing property.
Background
Parallel heat exchange tubes are arranged in a high-temperature reheater of a boiler system of a thermal power plant, during use, high-pressure steam is arranged in the heat exchange tubes, high-temperature flue steam is arranged outside the heat exchange tubes, the temperature of the high-temperature reheater is higher, and the temperature difference between the inside and the outside of the heat exchange tubes is larger.
Two heat exchange tubes with different diameters are arranged in the high-temperature reheater, and a three-way pipe is connected between the two heat exchange tubes with different diameters; generally, the three-way pipe and the heat exchange pipe are installed through welding in the prior art, the process is complex when the three-way pipe and the heat exchange pipe are installed through welding, time and labor are wasted, the cost is high, great fracture risks exist at a welding seam, when the fracture occurs at the welding seam, the sealing of the three-way pipe and the heat exchange pipe cannot be guaranteed, and the problem that the three-way pipe is very troublesome to replace is solved. Therefore, the utility model provides the boiler tee joint for improving the sealing performance.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that the three-way pipe is installed with a heat exchange pipe through welding, time and labor are wasted, the cost is high, a welding seam is easy to break, the sealing performance cannot be ensured, and the three-way pipe is troublesome to replace when needed.
In order to achieve the purpose, the utility model provides a boiler tee joint for improving the sealing property, which comprises a tee joint pipe and three pipe orifices arranged on the tee joint pipe; the device is characterized by also comprising a sealing structure arranged on the pipe orifice; the sealing structure comprises a mounting groove arranged on the pipe orifice, a sealing groove arranged in the mounting groove and a sealing ring arranged in the sealing groove.
Preferably, the heat exchange tube is arranged in the mounting groove on the tube opening and is matched with the mounting groove; the heat exchange tube is provided with a boss matched with the mounting groove; the pipe orifice and the heat exchange tube are respectively provided with an installation platform, and the installation platforms are provided with bolts.
Preferably, the pipe orifice is divided into a steam inlet pipe orifice arranged at one end of the three-way pipe and two steam outlet pipe orifices arranged at the other end of the three-way pipe.
Further preferably, a guide block is arranged on the steam outlet pipe opening.
Further preferably, the end of the boss is provided with a guide surface.
The utility model has the beneficial effects that: through the arrangement of the sealing structure, when the heat exchange tube is connected and installed with the three-way pipe, the heat exchange tube is inserted into the installation groove, and the sealing ring in the installation groove is extruded, so that the joint of the heat exchange tube and the three-way pipe is sealed, and the sealing performance is improved;
through the arrangement of the guide block, when hot steam passes through the joint of the steam outlet pipe orifice and the heat exchange pipe, the hot steam is far away from a gap at the joint of the steam outlet pipe orifice and the heat exchange pipe along the surface of the guide block, so that the contact between the hot steam and the gap is reduced, the amount of the hot steam entering the gap is reduced, and the sealing property of the three-way pipe is improved;
through the setting of mount table and bolt, change the connected mode of heat exchange tube and three-way pipe into bolted connection, be convenient for install, dismantle, simple process installation effectiveness is high, and is with low costs, is convenient for dismantle the maintenance or change the three-way pipe, in time changes the sealing washer to guarantee the leakproofness of three-way pipe.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall construction of the present invention;
FIG. 3 is an enlarged view of a portion of the utility model at A in FIG. 2;
FIG. 4 is a cross-sectional view of a tee of the present invention;
fig. 5 is a cross-sectional view of the guide block of the present invention.
The labels in the figure are: the three-way pipe comprises a three-way pipe 1, a pipe orifice 2, a steam inlet pipe orifice 21, a steam outlet pipe orifice 22, a guide block 23, a sealing structure 3, a mounting groove 31, a sealing groove 32, a sealing ring 33, a heat exchange pipe 4, a guide surface 41, a boss 42, a mounting table 5 and a bolt 6.
Detailed Description
The boiler tee joint with improved sealing performance of the utility model is further described by the following embodiments and the accompanying drawings.
Referring to the attached drawings 1-5, the boiler tee joint for improving the sealing performance comprises a tee pipe 1 and three pipe orifices 2 arranged on the tee pipe 1; the device is characterized by also comprising a sealing structure 3 arranged on the pipe orifice 2; the sealing structure 3 comprises a mounting groove 31 arranged on the pipe orifice 2, a sealing groove 32 arranged in the mounting groove 31 and a sealing ring 33 arranged in the sealing groove 32; according to the utility model, through the arrangement of the sealing structure 3, when the heat exchange tube 4 is connected and installed with the three-way pipe 3, the boss 42 on the heat exchange tube 4 is inserted into the installation groove 31, the sealing ring 33 in the installation groove 31 is extruded, the sealing ring 33 is deformed, and a gap between the heat exchange tube 4 and the three-way pipe 1 is filled, so that the joint of the heat exchange tube 4 and the three-way pipe 1 is sealed, and the sealing property is improved; through the setting of boss 42 and mounting groove 31, the steam that gets into three-way pipe 1 and heat exchange tube 4 junction gap need move along boss 42, through the setting of boss 42 and mounting groove 31, makes the joint gap between three-way pipe 1 and the heat exchange tube 4 form the multistage gyration, and passes through the setting of sealing washer 33 to improve the leakproofness of three-way pipe 1 and heat exchange tube 4 junction.
Referring to fig. 1-5, in the present invention, a heat exchange tube 4 adapted to an installation groove 31 is installed in the installation groove 31 provided on the nozzle 2; the heat exchange tube 4 is provided with a boss 42 matched with the mounting groove 31; the pipe orifice 2 and the heat exchange pipe 4 are both provided with mounting platforms 5, and bolts 6 are mounted on the mounting platforms 5; according to the utility model, the original welding fixation is changed into the bolt fixation through the arrangement of the mounting table 5 and the bolt 6, so that the three-way pipe 1 is convenient to mount and dismount, the mounting efficiency is improved, the cost is low, the three-way pipe 1 is convenient to dismount, maintain or replace, the sealing ring 33 is convenient to replace in time, and the sealing property of the three-way pipe 1 is ensured.
Referring to fig. 1-5, the pipe orifice 2 of the present invention is divided into a steam inlet pipe orifice 21 disposed at one end of the three-way pipe 1 and two steam outlet pipe orifices 22 disposed at the other end of the three-way pipe 1; the steam outlet pipe opening 22 is provided with a guide block 23; the end part of the boss 42 is provided with a guide surface 41; according to the utility model, through the arrangement of the guide block 23, when hot steam passes through the joint of the steam outlet pipe orifice 22 and the heat exchange pipe 4, the hot steam is far away from the gap at the joint of the steam outlet pipe orifice 22 and the heat exchange pipe 4 along the surface of the guide block 23, so that the contact between the hot steam and the gap is reduced, the amount of the hot steam entering the gap is reduced, and the sealing property of the three-way pipe 1 is improved.
Referring to the attached drawings 1-5, the application process of the utility model is that firstly, the sealing ring 33 is arranged in the sealing groove 32, then the boss 42 on the heat exchange tube 4 is inserted into the installation groove 31 through the guide surface 41, and then the three-way pipe 1 and the heat exchange tube 4 are fixedly connected through the bolt 6, namely the completion of the three-way pipe 1 is completed; when hot steam enters the three-way pipe 1 from the steam inlet pipe orifice 21, the sealing ring 33 at the steam inlet pipe orifice 21 seals the joint of the steam inlet pipe orifice 21 and the heat exchange pipe 4, when the hot steam passes through the joint of the steam outlet pipe orifice 22 and the heat exchange pipe 4, the hot steam is guided through the guide block 23, the moving direction of the hot steam is guided to be away from the gap at the joint of the steam outlet pipe orifice 22 and the heat exchange pipe 4, and therefore the sealing performance of the three-way pipe 1 is improved.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (5)
1. A boiler tee joint for improving the sealing performance comprises a tee joint pipe (1) and three pipe orifices (2) arranged on the tee joint pipe (1); the device is characterized by also comprising a sealing structure (3) arranged on the pipe orifice (2); the sealing structure (3) comprises a mounting groove (31) arranged on the pipe orifice (2), a sealing groove (32) arranged in the mounting groove (31) and a sealing ring (33) arranged in the sealing groove (32).
2. The boiler tee joint for improving the sealing performance of claim 1, wherein: the pipe orifice (2) is provided with a heat exchange pipe (4); the heat exchange tube (4) is provided with a boss (42) matched with the mounting groove (31); all be equipped with mount table (5) on mouth of pipe (2) and heat exchange tube (4), install bolt (6) on mount table (5).
3. The boiler tee joint for improving the sealing performance of claim 1, wherein: the pipe orifice (2) is divided into a steam inlet pipe orifice (21) arranged at one end of the three-way pipe (1) and two steam outlet pipe orifices (22) arranged at the other end of the three-way pipe (1).
4. The boiler tee joint for improving the sealing performance of claim 3, wherein: and a guide block (23) is arranged on the steam outlet pipe opening (22).
5. The boiler tee joint for improving the sealing performance of claim 2, wherein: the end of the boss (42) is provided with a guide surface (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220212731.2U CN216643449U (en) | 2022-01-26 | 2022-01-26 | Improve boiler tee bend of leakproofness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220212731.2U CN216643449U (en) | 2022-01-26 | 2022-01-26 | Improve boiler tee bend of leakproofness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216643449U true CN216643449U (en) | 2022-05-31 |
Family
ID=81727724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220212731.2U Expired - Fee Related CN216643449U (en) | 2022-01-26 | 2022-01-26 | Improve boiler tee bend of leakproofness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216643449U (en) |
-
2022
- 2022-01-26 CN CN202220212731.2U patent/CN216643449U/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: 20220531 |