CN108838175B - Pipeline sweeps silencing device - Google Patents
Pipeline sweeps silencing device Download PDFInfo
- Publication number
- CN108838175B CN108838175B CN201810852983.XA CN201810852983A CN108838175B CN 108838175 B CN108838175 B CN 108838175B CN 201810852983 A CN201810852983 A CN 201810852983A CN 108838175 B CN108838175 B CN 108838175B
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- China
- Prior art keywords
- plate
- shell
- piece
- filter plate
- placing
- Prior art date
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- 230000030279 gene silencing Effects 0.000 title claims abstract description 48
- 238000007664 blowing Methods 0.000 claims abstract description 26
- 239000002274 desiccant Substances 0.000 claims abstract description 22
- 238000004140 cleaning Methods 0.000 claims abstract description 14
- 238000007789 sealing Methods 0.000 claims description 9
- 238000010926 purge Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 7
- 210000004209 hair Anatomy 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 3
- 230000003584 silencer Effects 0.000 claims description 3
- 239000002893 slag Substances 0.000 abstract description 12
- 238000003466 welding Methods 0.000 abstract description 12
- 239000012535 impurity Substances 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 abstract description 3
- 241000221535 Pucciniales Species 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001680 brushing effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
Abstract
The invention relates to the technical field of fluid machinery, in particular to a pipeline blowing and silencing device which can conveniently clean impurities such as rust, welding slag and the like adhered to the left side surface of a filter plate and improve the steam conveying effect; meanwhile, the steam moisture absorbed by the silencing medium layer can be reduced, the service life of the silencing medium layer is prolonged, and the use reliability is improved; the vibration amplitude of the shell is slowed down, the noise is reduced, the surrounding environment is improved, and the usability is improved; comprises a shell, a filter plate, a discharge hopper and a bracket, wherein a baffle cover is arranged at the output end of the discharge hopper; the filter plate comprises a filter plate, a filter plate and a cleaning piece, wherein the filter plate is arranged on the left end of the filter plate; the drying agent is arranged in the placing piece; still include the bolster, the support includes down extension board, preceding extension board, back extension board and four sets of landing legs, and preceding extension board and back extension board set up respectively on both sides around lower extension board top, are provided with down the opening on the left half region in lower extension board top, and the hopper output passes down the opening.
Description
Technical Field
The invention relates to the technical field of fluid machinery, in particular to a pipeline blowing and silencing device.
Background
As is well known, the pipe blowing silencer is an auxiliary device for reducing noise in the process of blowing the inside of a corresponding pipe by steam after the installation or maintenance of related equipment such as a boiler, a steam turbine and the like is completed, so as to remove impurities such as scale, welding slag and the like remained in the pipe, and improving the surrounding environment, and is widely used in the field of fluid machinery; the existing pipeline blowing and silencing device comprises a shell, a filter plate, a discharge hopper and a support, wherein the shell is arranged on the support, a working cavity is formed in the shell, a silencing medium layer is arranged in the working cavity, the filter plate is arranged in the shell, the filter plate is positioned on the left side of the silencing medium layer, an air inlet and an air outlet are respectively formed in the left input end and the right output end of the shell, the air inlet and the air outlet are communicated with the working cavity, a discharge port is formed in the left half area of the bottom end of the shell, the input end of the discharge hopper penetrates through the support and is arranged on the discharge port, and a blocking cover is arranged on the output end of the discharge hopper; when the existing pipeline blowing and silencing device is used, the bracket is only required to be arranged in a designated area, the air inlet of the shell is connected with the air outlet pipe of related equipment, then steam for blowing the related equipment is input into the shell through the air inlet, impurities such as rusts and welding slag which are blown down are intercepted and filtered through the filter plate, the impurities such as the rusts and the welding slag which are intercepted fall into the discharge hopper to be collected, finally, the steam is output through the air outlet, and the noise of the steam passing through the interior of the shell is reduced through the silencing medium layer in the output process; when the existing pipeline blowing and silencing device is used, the fact that impurities such as rusts and welding slag which are blown off are easy to be partially adhered to the left side face of the filter plate is found, so that the filter plate is easy to be blocked, and the steam conveying effect is affected; when the steam passes through the silencing medium layer, the moisture of the steam is easily absorbed by the silencing medium layer, so that the service life of the silencing medium layer is influenced, and the use reliability of the silencing medium layer is limited; and steam easily drives the shell and shakes when passing through inside the shell to drive the support and shake and produce noise, influence surrounding environment, lead to its usability limited.
Disclosure of Invention
In order to solve the technical problems, the invention provides a device which can conveniently clean the impurities such as rust, welding slag and the like adhered on the left side surface of the filter plate and improve the steam conveying effect; meanwhile, the steam moisture absorbed by the silencing medium layer can be reduced, the service life of the silencing medium layer is prolonged, and the use reliability is improved; and the vibration amplitude of the shell is slowed down, the noise is reduced, the surrounding environment is improved, and the usability is improved.
The invention relates to a pipeline blowing and silencing device which comprises a shell, a filter plate, a discharge hopper and a support, wherein the shell is arranged on the support, a working cavity is formed in the shell, a silencing medium layer is arranged in the working cavity, the filter plate is arranged in the shell, the filter plate is positioned at the left side of the silencing medium layer, an air inlet and an air outlet are respectively formed in the left input end and the right output end of the shell, the air inlet and the air outlet are both communicated with the working cavity, a discharge port is formed in the left half area of the bottom end of the shell, the input end of the discharge hopper penetrates through the support and is arranged on the discharge port, and a blocking cover is arranged on the output end of the discharge hopper; the filter plate is characterized by further comprising a cleaning piece, wherein the cleaning piece is arranged in the shell, and the output end of the cleaning piece is contacted with the left end of the filter plate; the drying device comprises a shell, a placing piece and a fixing piece, wherein the placing piece is arranged in the shell, a drying agent is arranged in the placing piece, the fixing piece is arranged at the top end of the placing piece, and the fixing piece is connected with the shell; still include the bolster, the support includes down extension board, preceding extension board, back extension board and four sets of landing legs, preceding extension board and back extension board set up respectively on both sides around the extension board top down, four sets of landing legs set up respectively on extension board bottom left front side, left rear side, right front side and right rear side down, be provided with down the opening on the half region in extension board top left side down, and the discharge hopper output passes down the opening.
According to the pipeline blowing and silencing device, the shell is a square shell, the outer side wall of the filter plate is connected with the left half area of the inner side wall of the shell, and the outer side wall of the placing piece is in contact with the inner side wall of the shell.
The invention relates to a pipeline blowing and silencing device, which comprises a fixing frame, a servo motor, a rotating shaft and a brush head, wherein the fixing frame is arranged on the left half area of the bottom wall in a shell, the servo motor is arranged on the fixing frame, a transmission shaft is arranged at the left output end of the servo motor, the rotating shaft is arranged at the left end of the transmission shaft, the brush head is positioned at the left side of a filter plate, a plurality of groups of brush hairs are arranged on the right side surface of the brush head, the left end of the rotating shaft penetrates through the filter plate and is connected with the upper side of the right end of the brush head, and the plurality of groups of brush hairs are all contacted with the lower half area of the left end of the filter plate.
The invention relates to a pipeline blowing and silencing device, which comprises a net box, a fixed block and a sealing ring, wherein a placing cavity is formed in the net box, a drying agent is placed in the placing cavity, the fixed block is arranged at the top end of the net box, a mounting opening is formed in the top end of a shell, the fixed block is positioned in the mounting opening, the sealing ring is arranged on the outer side wall of the fixed block, and the outer side wall of the sealing ring is in contact with the inner side wall of the mounting opening.
The invention relates to a pipeline blowing and silencing device, wherein a fixing piece comprises a fixing plate and a plurality of groups of screws, the fixing plate is arranged at the top end of a fixing block, the outer side of the bottom end of the fixing plate is contacted with the outer side of the top end of a shell, and the output ends of the plurality of groups of screws sequentially penetrate through and are screwed on the fixing plate and the shell.
The invention relates to a pipeline purging and silencing device, which comprises a lower buffer spring set, a lower buffer plate, a front buffer spring set, a front buffer plate, a rear buffer spring set and a rear buffer plate, wherein the top end of a lower support plate, the rear end of a front support plate and the front end of a rear support plate are respectively provided with a lower placing groove, a front placing groove and a rear placing groove, the lower buffer spring set, the front buffer spring set and the rear buffer spring set are respectively arranged on the inner bottom wall of the lower placing groove, the inner front side wall of the front placing groove and the inner rear side wall of the rear placing groove, the lower buffer plate, the front buffer plate and the rear buffer plate are respectively arranged at the top end of the lower buffer spring set, the rear end of the front buffer plate and the front end of the rear buffer plate are respectively connected with the bottom end of a shell, the front end and the rear end, an upper through hole is formed in the left area of the top end of the lower buffer plate, and the input end of a discharge hopper penetrates through the upper through hole.
According to the pipeline purging and silencing device, the lower buffer plate, the front buffer plate and the rear buffer plate are all rubber plates.
The invention relates to a pipeline blowing and silencing device, which further comprises a shutter, wherein a taking and placing opening is formed in the front end of a net box, the shutter is arranged on the taking and placing opening, and the front side surface of the shutter is in contact with the inner front side wall of a shell.
The invention relates to a pipeline blowing and silencing device, which further comprises a handle, wherein the handle is arranged at the top end of a fixing plate.
Compared with the prior art, the invention has the beneficial effects that: impurities such as scale, welding slag and the like adhered to the left side surface of the filter plate can be swept down through the cleaning piece, so that the filter plate can be cleaned, and the steam conveying effect is improved; meanwhile, moisture in the steam can be adsorbed through the drying agent, so that the steam moisture absorbed by the silencing medium layer is reduced, the service life of the silencing medium layer is prolonged, and the use reliability is improved; and the buffer effect between the support and the shell can be enhanced through the buffer piece, so that the vibration amplitude of the shell is slowed down, the noise is reduced, the surrounding environment is improved, and the usability is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a right side view of FIG. 1;
FIG. 4 is an enlarged partial view of portion A of FIG. 1;
FIG. 5 is an enlarged partial view of portion B of FIG. 1;
the reference numerals in the drawings: 1. a housing; 2. a filter plate; 3. discharging a hopper; 4. a sound attenuation medium layer; 5. a cleaning member; 6. a placement member; 7. a drying agent; 8. a buffer member; 9. a lower support plate; 10. a rear support plate; 11. a support leg; 12. a fixing frame; 13. a servo motor; 14. a rotating shaft; 15. a brush head; 16. a transmission shaft; 17. brushing; 18. a net box; 19. a fixed block; 20. a seal ring; 21. a fixing plate; 22. a screw; 23. a lower buffer spring group; 24. a lower buffer plate; 25. a front buffer spring group; 26. a rear buffer plate; 27. a shutter; 28. a handle.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the pipeline blowing and silencing device comprises a shell 1, a filter plate 2, a discharge hopper 3 and a support, wherein the shell is arranged on the support, a working cavity is arranged in the shell, a silencing medium layer 4 is arranged in the working cavity, the filter plate is arranged in the shell, the filter plate is positioned at the left side of the silencing medium layer, an air inlet and an air outlet are respectively arranged at the left input end and the right output end of the shell, the air inlet and the air outlet are both communicated with the working cavity, a discharge port is arranged at the left half area of the bottom end of the shell, the input end of the discharge hopper penetrates through the support and is arranged on the discharge port, and a blocking cover is arranged at the output end of the discharge hopper; the filter plate also comprises a cleaning piece 5, wherein the cleaning piece is arranged in the shell, and the output end of the cleaning piece is contacted with the left end of the filter plate; the drying device also comprises a placing piece 6 and a fixing piece, wherein the placing piece is arranged inside the shell, a drying agent 7 is arranged in the placing piece, the fixing piece is arranged at the top end of the placing piece, and the fixing piece is connected with the shell; the support comprises a lower support plate 9, a front support plate, a rear support plate 10 and four groups of support legs 11, wherein the front support plate and the rear support plate are respectively arranged on the front side and the rear side of the top end of the lower support plate, the four groups of support legs are respectively arranged on the left front side, the left rear side, the right front side and the right rear side of the bottom end of the lower support plate, a lower through opening is formed in the left half area of the top end of the lower support plate, and the output end of the discharge hopper penetrates through the lower through opening; impurities such as scale, welding slag and the like adhered to the left side surface of the filter plate can be swept down through the cleaning piece, so that the filter plate can be cleaned, and the steam conveying effect is improved; meanwhile, moisture in the steam can be adsorbed through the drying agent, so that the steam moisture absorbed by the silencing medium layer is reduced, the service life of the silencing medium layer is prolonged, and the use reliability is improved; and the buffer effect between the support and the shell can be enhanced through the buffer piece, so that the vibration amplitude of the shell is slowed down, the noise is reduced, the surrounding environment is improved, and the usability is improved.
According to the pipeline blowing and silencing device, the shell is a square shell, the outer side wall of the filter plate is connected with the left half area of the inner side wall of the shell, and the outer side wall of the placing piece is in contact with the inner side wall of the shell; which can enhance the robustness between the filter plate and the placement member and the housing.
The invention relates to a pipeline blowing and silencing device, which comprises a fixing frame 12, a servo motor 13, a rotating shaft 14 and a brush head 15, wherein the fixing frame is arranged on the left half area of the bottom wall in a shell; the rotary shaft on the transmission shaft is driven by the servo motor to rotate, so that bristles on the brush head clean the left side surface of the filter plate, impurities such as rust, welding slag and the like adhered to the left side surface of the filter plate can be conveniently cleaned, and usability is improved.
The invention relates to a pipeline blowing and silencing device, which comprises a net box 18, a fixed block 19 and a sealing ring 20, wherein a placing cavity is formed in the net box, a drying agent is placed in the placing cavity, the fixed block is arranged at the top end of the net box, a mounting opening is formed in the top end of a shell, the fixed block is positioned in the mounting opening, the sealing ring is arranged on the outer side wall of the fixed block, and the outer side wall of the sealing ring is in contact with the inner side wall of the mounting opening; the drying agent can be stored through the net box, so that usability is improved.
The invention relates to a pipeline blowing and silencing device.A fixing piece comprises a fixing plate 21 and a plurality of groups of screws 22, wherein the fixing plate is arranged at the top end of a fixing block, the outer side of the bottom end of the fixing plate is contacted with the outer side of the top end of a shell, and the output ends of the plurality of groups of screws sequentially penetrate through and are screwed on the fixing plate and the shell; the fixing plate, the fixing block and the net box can be conveniently taken out from the inside of the shell through taking down the plurality of groups of screws from the shell, so that the drying agent can be replaced later, and the usability is improved.
The invention relates to a pipeline purging and silencing device, which comprises a lower buffer spring group 23, a lower buffer plate 24, a front buffer spring group 25, a front buffer plate, a rear buffer spring group and a rear buffer plate 26, wherein the top end of a lower support plate, the rear end of a front support plate and the front end of a rear support plate are respectively provided with a lower placing groove, a front placing groove and a rear placing groove; the damping effect between the support and the shell can be enhanced through the action of the spring, so that the vibration amplitude of the shell is slowed down, the noise is reduced, the surrounding environment is improved, and the usability is improved.
According to the pipeline purging and silencing device, the lower buffer plate, the front buffer plate and the rear buffer plate are all rubber plates; the buffer effect between the support and the shell can be enhanced through the softness of the rubber plate, so that the vibration amplitude of the shell can be slowed down, the noise can be reduced, the surrounding environment can be improved, and the usability can be improved.
The invention relates to a pipeline blowing and silencing device, which also comprises a baffle door 27, wherein the front end of a net box is provided with a taking and placing opening, the baffle door is arranged on the taking and placing opening, and the front side surface of the baffle door is contacted with the inner front side wall of a shell; the shutter can be opened and the drying agent in the net box can be taken out, so that the drying agent can be replaced conveniently, and the usability is improved.
The invention relates to a pipeline blowing and silencing device, which also comprises a handle 28, wherein the handle is arranged at the top end of a fixed plate; the fixing plate can be conveniently lifted, so that the fixing block and the net box can be taken out from the inside of the shell, the drying agent can be conveniently replaced, and the usability is improved.
The pipeline blowing and silencing device only needs to install the bracket in a designated area when in use, the air inlet of the shell is connected with the air outlet pipe of related equipment, then steam after blowing the related equipment is input into the shell through the air inlet, sundries such as rusts, welding slag and the like which are blown down are intercepted and filtered through the filter plate, the sundries such as the rusts, the welding slag and the like which are intercepted fall into the discharge hopper to be collected, the steam passing through the filter plate passes through the net box and the drying agent and absorbs moisture in the filter plate through the drying agent, finally the steam is output through the air outlet, and noise of the steam passing through the shell is reduced through the silencing medium layer in the output process; in the process, the rotating shaft on the transmission shaft can be driven by the servo motor to rotate, so that the brush hair on the brush head cleans the left side surface of the filter plate, and impurities such as rust, welding slag and the like adhered on the left side surface of the filter plate can be conveniently swept down; if the drying agent is to be replaced, a plurality of groups of screws are firstly taken down from the shell, then the handles are held by hands, the fixing plate, the fixing block and the net box are taken out from the inside of the shell, and then the baffle is opened and the drying agent is replaced.
The pipeline blowing and silencing device is arranged in a common mechanical mode, and can be implemented only by achieving the beneficial effects; the types of the components are not limited, so long as the beneficial effects can be achieved, the servo motor is common equipment in the market, the servo motor is provided with a control module and a wire, the servo motor can be used after being plugged in, and the internal structure of the servo motor is not changed.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (6)
1. The utility model provides a pipeline sweeps silencing device, including shell (1), filter (2), discharge hopper (3) and support, the shell sets up on the support, the shell is inside to be provided with the working chamber, and be provided with amortization medium layer (4) in the working chamber inside, the filter sets up in the shell, and the filter is located amortization medium layer left side, be provided with air inlet and gas outlet on left portion input and the right part output of shell respectively, and air inlet and gas outlet all communicate with each other with the working chamber, be provided with the discharge gate on the left half region of shell bottom, the discharge hopper input passes the support and sets up on the discharge gate, and be provided with the fender lid on the discharge hopper output; the filter is characterized by further comprising a cleaning piece (5), wherein the cleaning piece is arranged in the shell, and the output end of the cleaning piece is contacted with the left end of the filter plate; the drying device also comprises a placing piece (6) and a fixing piece, wherein the placing piece is arranged inside the shell, a drying agent (7) is arranged in the placing piece, the fixing piece is arranged at the top end of the placing piece, and the fixing piece is connected with the shell; the device comprises a support, a buffer piece (8), a lower support plate (9), a front support plate, a rear support plate (10) and four groups of supporting legs (11), wherein the front support plate and the rear support plate are respectively arranged on the front side and the rear side of the top end of the lower support plate; the cleaning piece comprises a fixing frame (12), a servo motor (13), a rotating shaft (14) and a brush head (15), wherein the fixing frame is arranged on the left half area of the bottom wall in the shell, the servo motor is arranged on the fixing frame, a transmission shaft (16) is arranged at the output end of the left part of the servo motor, the rotating shaft is arranged at the left end of the transmission shaft, the brush head is positioned at the left side of the filter plate, a plurality of groups of brush hair (17) are arranged on the right side surface of the brush head, the left end of the rotating shaft penetrates through the filter plate and is connected with the upper side of the right end of the brush head, and the plurality of groups of brush hair are all contacted with the lower half area of the left end of the filter plate; the drying agent placing device comprises a placing piece, a drying agent placing device and a drying agent placing device, wherein the placing piece comprises a net box (18), a fixing block (19) and a sealing ring (20), a placing cavity is formed in the net box, the drying agent is placed in the placing cavity, the fixing block is arranged at the top end of the net box, a mounting opening is formed in the top end of the shell, the fixing block is located in the mounting opening, the sealing ring is arranged on the outer side wall of the fixing block, and the outer side wall of the sealing ring is in contact with the inner side wall of the mounting opening.
2. A pipe blowing silencer as claimed in claim 1, wherein the fixing member comprises a fixing plate (21) and a plurality of sets of screws (22), the fixing plate is arranged at the top end of the fixing plate, the outer side of the bottom end of the fixing plate is contacted with the outer side of the top end of the casing, and the plurality of sets of screw output ends sequentially penetrate through and are screwed on the fixing plate and the casing.
3. A pipe purge silencer according to claim 2, wherein the buffer member comprises a lower buffer spring group (23), a lower buffer plate (24), a front buffer spring group (25), a front buffer plate, a rear buffer spring group and a rear buffer plate (26), wherein the lower support plate top, the front support plate rear end and the rear support plate front end are respectively provided with a lower placing groove, a front placing groove and a rear placing groove, the lower buffer spring group, the front buffer spring group and the rear buffer spring group are respectively arranged on the bottom wall in the lower placing groove, the front side wall in the front placing groove and the rear side wall in the rear placing groove, the lower buffer plate, the front buffer plate and the rear buffer plate are respectively arranged at the top end of the lower buffer spring group, the rear end of the front buffer spring group and the front end of the rear buffer spring group, and the front end of the rear buffer plate are respectively connected with the bottom end of the casing, the front end and the rear end, an upper through hole is arranged on the left area of the top end of the lower buffer plate, and the hopper input end passes through the upper through hole.
4. A pipe purge muffler according to claim 3, wherein the lower buffer plate, the front buffer plate and the rear buffer plate are rubber plates.
5. A pipe purge muffler apparatus as defined in claim 4, further comprising a shutter (27) provided with a pick-and-place opening at a front end of the net case, the shutter being provided on the pick-and-place opening with a front side surface of the shutter being in contact with a front side wall of the housing.
6. A pipe purge muffler apparatus as defined in claim 5, further comprising a handle (28) disposed at the top end of the mounting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810852983.XA CN108838175B (en) | 2018-07-30 | 2018-07-30 | Pipeline sweeps silencing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810852983.XA CN108838175B (en) | 2018-07-30 | 2018-07-30 | Pipeline sweeps silencing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108838175A CN108838175A (en) | 2018-11-20 |
| CN108838175B true CN108838175B (en) | 2024-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810852983.XA Active CN108838175B (en) | 2018-07-30 | 2018-07-30 | Pipeline sweeps silencing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108838175B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112077085B (en) * | 2020-09-16 | 2022-11-08 | 扬州德道市政设计院有限公司 | Silencer for steam blowing of pipeline |
| CN113333401B (en) * | 2021-05-13 | 2022-06-10 | 中国化学工程第四建设有限公司 | Pipeline purging silencer |
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