CN216923630U - Non-metal expansion joint with water retaining device - Google Patents

Non-metal expansion joint with water retaining device Download PDF

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Publication number
CN216923630U
CN216923630U CN202220711708.8U CN202220711708U CN216923630U CN 216923630 U CN216923630 U CN 216923630U CN 202220711708 U CN202220711708 U CN 202220711708U CN 216923630 U CN216923630 U CN 216923630U
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China
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ring
expansion
metal
water
metal frame
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CN202220711708.8U
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Chinese (zh)
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陈晓军
俞伟学
陈涵瑜
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Zhuji City Fengze Power Machinery Co ltd
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Zhuji City Fengze Power Machinery Co ltd
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Abstract

The application relates to a non-metal expansion joint with a water retaining device, which relates to the technical field of expansion joints and comprises metal frames arranged at the ends of two pipeline pipes, wherein an inner ring belt is arranged between the two metal frames, a water retaining mechanism used for blocking condensed water from flowing onto the inner ring belt is arranged on each metal frame, each water retaining mechanism comprises a water retaining plate, one end of each water retaining plate is connected with one metal frame, and the other end of each water retaining plate extends to the upper part of the inner ring belt and is bent upwards; and one end of the lining plate is arranged on the other metal frame opposite to the metal frame connected with the water baffle, and the other end of the lining plate extends to the upper part of the water baffle. Interior bushing plate and breakwater of this application block the comdenstion water in the pipeline respectively, and wherein the major function of breakwater blocks palirrhea comdenstion water, and the interior bushing plate blocks the comdenstion water that drips on the metal frame of inner circle area top to the probability of piling up has been reduced to condensate water and has taken to the inner circle.

Description

Non-metal expansion joint with water retaining device
Technical Field
The application relates to the technical field of expansion joints, in particular to a nonmetal expansion joint with a water retaining device.
Background
An expansion joint is also commonly called a compensator, or a telescopic joint. Expansion joints are widely used in modern industry and are typically provided on pipes to compensate for thermal elongation of the pipe, thereby reducing stress on the pipe wall and forces acting on the valve member or support structure.
In the related art, the nonmetal compensator generally includes a support frame connected to the medium flowing pipe and a flexible inner ring band disposed on the support frame, and the flexible inner ring band has an excellent expansion effect and can absorb an expansion amount when the pipe thermally expands.
However, because the flue gas temperature in the pipeline is higher and the pipe wall temperature is lower, more condensed water can be generated on the inner wall of the pipeline, and the condensed water in the pipeline is accumulated on the inner ring belt under the action of gravity due to the expansion of the inner ring belt on the metal compensator. The flue gas in the pipeline generally contains various corrosive chemical components, and the flue gas is dissolved in condensed water to cause the condensed water to corrode the inner ring belt, so that the inner ring belt is damaged.
SUMMERY OF THE UTILITY MODEL
In order to reduce the probability that the comdenstion water is piled up on the inner circle area, this application provides a nonmetal expansion joint with water retaining device.
The application provides a pair of non-metal expansion joint with water retaining device adopts following technical scheme:
the utility model provides a non-metal expansion joint with water retaining device, is provided with the inner circle area including setting up the metal crate at two pipeline pipe ends between two metal crates, be provided with on the metal crate and be used for blockking the manger plate mechanism that condensate water flows to the inner circle area, manger plate mechanism includes:
one end of the water baffle is connected with a metal frame, and the other end of the water baffle extends to the upper part of the inner ring belt and is bent upwards;
and one end of the lining plate is arranged on the other metal frame opposite to the metal frame connected with the water baffle, and the other end of the lining plate extends to the upper part of the water baffle.
Through adopting above-mentioned technical scheme, interior bushing plate and breakwater block the comdenstion water in the pipeline respectively, and wherein the major function of breakwater blocks palirrhea comdenstion water, and the interior bushing plate blocks the comdenstion water that drips on the metal frame of inner circle area top to the probability of piling up on condensate water flow to the inner circle area has been reduced.
Optionally, the inner circle area both ends all can be dismantled through coupling mechanism and connect on two metal crates, coupling mechanism includes:
the connecting ring is sleeved on the metal frame, and the inner ring belt is positioned between the connecting ring and the metal frame;
and the fastening assembly is arranged on the metal frame and is used for pushing the connecting ring to be matched with the metal frame to clamp the inner ring belt.
Through adopting above-mentioned technical scheme, when the inner circle area damages and when needing to be changed, unblock fastening components removes the go-between and breaks away from with the inner circle area, changes the completion back, establishes the go-between cover to the inner circle area, locks fastening components and makes go-between and metal crate cooperation press from both sides tight inner circle area to accomplish the connection of dismantling of inner circle area on metal crate.
Optionally, the fastening assembly comprises:
a fastening ring disposed on the metal frame;
the fastening screw is in threaded connection with the fastening ring and penetrates through the fastening ring along the radial direction of the fastening ring to abut against the surface of the connecting ring;
and the two fastening nuts are in threaded connection with the fastening screw rod and tightly abut against the two side walls of the connecting ring back to back.
Through adopting above-mentioned technical scheme, twist and move two fastening nut and keep away from each other, twist and move fastening screw and keep away from the go-between to relieve spacing to the go-between, the detachable go-between changes the inner lane area, changes after accomplishing, twists and moves fastening screw and supports tightly on the go-between, then twists two fastening nut and press from both sides tight fastening ring and lock the fastening screw position, thereby accomplish the fastening work to the go-between.
Optionally, an expansion mechanism for continuing to expand after the inner ring belt is damaged is arranged on the metal frame, and the expansion mechanism includes:
the two assembling rings are respectively and fixedly connected to the two metal frames, and the outer diameters of the two assembling rings are larger than that of the connecting ring;
the expansion ring belt is detachably connected to the two assembling rings through fixing components at two ends of the expansion ring belt respectively.
Through adopting above-mentioned technical scheme, thereby when the long-term service of inner circle area reaches the life-span limit and no longer has sealed effect, the expansion ring area continues to absorb the interior gas expansion volume of pipeline to prolonged the life of whole expansion joint, and through observing the expansion ring area inflation, the staff can know inside inner circle area inefficacy and need change.
Optionally, the fixing assembly includes:
the fixed flange is matched with the assembling ring to clamp the expansion ring belt;
the fixing bolt sequentially penetrates through the assembling ring, the expansion ring belt and the fixing flange, and a fixing nut abutting against the assembling ring is connected to the fixing bolt in a threaded mode.
By adopting the technical scheme, the fixing bolt is screwed to be separated from the fixing flange, the fixing flange is taken down, the expansion ring belt can be taken down to replace the inner ring belt positioned in the expansion ring belt, after the replacement is finished, the expansion ring belt is sleeved on the assembly ring, the fixing flange is moved to enable the fixing flange to be matched with the assembly ring to clamp the expansion ring belt tightly, and the fixing bolt is screwed to sequentially penetrate through the assembly ring and the expansion ring belt to be in threaded connection with the fixing flange, so that the expansion ring belt is fixed.
Optionally, a drain pipe for draining condensed water flowing onto the expansion loop belt is detachably connected to the expansion loop belt through a fitting assembly, and the fitting assembly includes:
the first flange plate is arranged on the drain pipe;
the second flange plate is matched with the first flange plate to clamp the expansion ring belt;
the assembling bolts sequentially penetrate through the first flange plate, the expansion ring belt and the second flange plate, and assembling nuts abutting against the second flange plate are connected to the assembling bolts through threads.
By adopting the technical scheme, the drain pipe is arranged on the expansion ring belt, when the inner ring belt fails and condensed water leaks out, the drain pipe can discharge the condensed water, so that the probability of accumulation of the condensed water on the expansion ring belt is reduced; when the drain pipe needs to be changed, the assembling bolt is screwed to be separated from the second flange plate, the second flange plate is moved to be separated from the expansion ring belt, the drain pipe is taken down for changing, after the change is completed, the second flange plate is moved to be matched with the first flange plate to clamp the expansion ring belt, the assembling bolt is moved to sequentially penetrate through the first flange plate, the expansion ring belt and the second flange plate, and the assembling nut is screwed to tightly abut against the second flange plate, so that the detachable connection of the drain pipe on the expansion ring belt is realized.
Optionally, two metal frames are provided with a limiting pull rod for limiting the distance between the two metal frames.
Through adopting above-mentioned technical scheme, spacing pull rod sets up between two metal crates, when having reduced the field installation, because do not have spacing location to because spacing size is incorrect when leading to inner race area and expansion ring area to carry out the three-dimensional direction inflation compensation between two pipelines leads to the probability of drawing the fracture damage.
Optionally, the limiting pull rod is detachably mounted on the two metal frames through two mounting assemblies, and the mounting assemblies include:
the lifting lug is tightly abutted against the pressing flange under the action of the fixing bolt, and the limit pull rod penetrates through the lifting lug;
and the two mounting nuts are in threaded connection with the limiting pull rod and are matched with each other to clamp the lifting lug.
Through adopting above-mentioned technical scheme, lug one end supports tightly on mounting flange through fixing bolt, and the lug other end cover is established on spacing pull rod, twists two mounting nuts that move and spacing pull rod threaded connection and be close to each other until pressing from both sides tight lug to accomplish spacing pull rod and connect dismantled on metal crate.
Optionally, the joints of the inner ring belt and the two metal frames are provided with first sealing gaskets, and the joints of the expansion ring belt and the assembly ring are provided with second sealing gaskets.
Through adopting above-mentioned technical scheme, the setting of first sealed pad is between inner circle area and two metal crates to strengthened the leakproofness between inner circle area and two metal crates, reduced the probability of flue gas leakage, guaranteed the inflation effect in inner circle area. The second sealing gasket is arranged between the expansion ring belt and the assembly ring, so that the sealing property between the expansion ring belt and the assembly ring is enhanced, and the expansion effect of the expansion ring belt after the inner ring belt is damaged is ensured.
Optionally, a plurality of rib plates are arranged on the metal frame at intervals, a third flange plate used for being connected with a pipeline is arranged on the metal frame, one end of each rib plate is connected with the assembling ring, and the other end of each rib plate is connected with the third flange plate.
By adopting the technical scheme, the rib plate is arranged between the metal frame and the pipeline joint, so that the connection strength between the metal frame and the pipeline is enhanced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the inner lining plate and the water baffle plate respectively block condensed water in the pipeline, wherein the water baffle plate has the main function of blocking reverse-flowing condensed water, and the inner lining plate blocks the condensed water dropping on the metal frame above the inner ring belt, so that the probability of accumulation of the condensed water flowing to the inner ring belt is reduced;
2. through unblock fastening components, remove the go-between and break away from with the inner circle area, change the completion back, establish the go-between cover and take to the inner circle, lock fastening components makes go-between and metal crate cooperation press from both sides tight inner circle area to accomplish the connection of dismantling of inner circle area on metal crate. (ii) a
3. The expansion ring belt can be taken down to replace the inner ring belt positioned in the expansion ring belt by twisting the fixing bolt to be separated from the fixing flange and taking down the fixing flange, after the replacement is finished, the expansion ring belt is sleeved on the assembly ring, the fixing flange is moved to enable the fixing flange to be matched with the assembly ring to clamp the expansion ring belt, and the fixing bolt is twisted to sequentially penetrate through the assembly ring and the expansion ring belt to be in threaded connection with the fixing flange, so that the expansion ring belt is fixed.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic cross-sectional view A-A of FIG. 1;
fig. 3 is an enlarged schematic view of a portion B in fig. 2.
Reference numerals: 1. a metal frame; 11. a third flange plate; 12. an inner loop band; 13. a first gasket; 14. a second gasket; 15. a drain pipe; 16. a limiting pull rod; 17. a rib plate; 2. a connecting mechanism; 21. a connecting ring; 22. a fastening assembly; 23. a fastening ring; 24. fastening a screw rod; 25. fastening a nut; 3. a water retaining mechanism; 31. a water baffle; 32. an inner liner plate; 4. an expansion mechanism; 41. assembling a ring; 42. an expansion loop band; 5. a fixing assembly; 51. a fixed flange; 52. fixing the bolt; 53. fixing a nut; 6. assembling the components; 61. a first flange plate; 62. a second flange plate; 63. assembling a bolt; 64. assembling a nut; 7. mounting the component; 71. lifting lugs; 72. and (7) installing a nut.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses nonmetal expansion joint with water retaining device.
Referring to fig. 1 and 2, the non-metallic expansion joint with a water retaining device comprises metal frames 1 connected with the pipe ends of two pipelines through a third flange plate 11, the two metal frames 1 are detachably connected with inner ring belts 12 through connecting mechanisms 2, and the metal frames 1 are provided with water retaining mechanisms 3 for blocking condensed water from flowing onto the inner ring belts 12.
Referring to fig. 2 and 3, the water blocking mechanism 3 includes a water blocking plate 31 and an inner lining plate 32, one end of the water blocking plate 31 is fixedly connected to the side wall of the two metal frames 1 at the opposite side, and the other end of the water blocking plate 31 extends between the two metal frames 1 and is bent towards the side far away from the inner ring belt 12. One end of the lining plate 32 is fixedly connected to the inner side wall of one metal frame 1 opposite to the water baffle 31, and the other end of the lining plate 32 extends towards the inside of the metal frame 1 and extends to one side of the water baffle 31 departing from the inner ring belt 12.
Referring to fig. 2 and 3, the connection mechanism 2 includes a connection ring 21 and a fastening assembly 22. Two ends of the inner ring belt 12 are respectively sleeved on the outer side walls of the two metal frames 1, and a first sealing gasket 13 is fixedly connected between the inner ring belt 12 and the metal frames 1. The connecting ring 21 is sleeved outside the inner ring belt 12 and is matched with the metal frame 1 to clamp the inner ring belt 12.
Referring to fig. 3, the fastening assembly 22 includes a fastening ring 23, a fastening screw 24 and two fastening nuts 25, one end of the fastening ring 23 is fixedly connected to the outer sidewall of the metal frame 1, and one end of the fastening ring 23 extends to one side of the connecting ring 21 away from the metal frame 1. The fastening screw 24 radially penetrates the fastening ring 23 along the metal frame 1 and abuts against the outer side wall of the connecting ring 21. Two fastening nuts 25 are in threaded connection with the fastening screws 24 and respectively abut against the fastening ring 23 on the side walls close to the metal frame 1 and the side walls far away from the metal frame 1.
Referring to fig. 2 and 3, the metal frame 1 is provided with an expansion mechanism 4 for continuing expansion after the inner loop tape 12 is damaged, and the expansion mechanism 4 includes two fitting rings 41 and an expansion loop tape 42. The two mounting rings 41 are respectively fixedly connected to the two metal frames 1, and the outer diameter of the mounting ring 41 is larger than that of the connecting ring 21. The two ends of the expansion ring belt 42 are sleeved on the two assembling rings 41 through the fixing component 5, and the fixing component 5 comprises a fixing flange 51 and a fixing bolt 52. A second gasket 14 is fixedly connected between the expansion ring band 42 and the mounting ring 41. The fixing flange 51 is positioned at one end of the expansion ring belt 42 sleeved on the assembly ring 41 and is matched with the assembly ring 41 to clamp the expansion ring belt 42, the fixing bolt 52 sequentially penetrates through the fixing flange 51, the expansion ring belt 42 and the assembly ring 41 along the radial direction of the expansion ring belt 42, and the fixing nut 53 tightly propped against the side wall of the assembly ring 41 close to the metal frame 1 is connected to the fixing bolt 52 in a threaded mode.
Referring to fig. 2 and 3, a drain pipe 15 for draining the condensate water onto the expansion ring belt 42 is detachably connected to the expansion ring belt 42 through the fitting assembly 6. The mounting assembly 6 includes a first flange 61, a second flange 62, and mounting bolts 63. The first flange 61 is fixedly connected to one end of the water discharge pipe 15 close to the metal frame 1 and is positioned on one side of the expansion ring belt 42 close to the metal frame 1, and the other end of the water discharge pipe 15 vertically penetrates through the expansion ring belt 42 downwards and is connected with a water discharge main pipe. The second flange 62 is located on a side of the band 42 facing away from the first flange 61 and cooperates with the first flange 61 to clamp the band 42. The assembling bolt 63 sequentially passes through the first flange plate 61, the expansion ring belt 42 and the second flange plate 62 along the radial direction of the expansion ring belt 42, and the assembling nut 64 tightly propped against the side wall of the second flange plate 62, which is far away from the expansion ring belt 42, is in threaded connection with the assembling bolt 63.
Referring to fig. 1 and 2, the two metal frames 1 are detachably connected with a limiting pull rod 16 for limiting the distance between the two metal frames 1 through the two mounting assemblies 7. The mounting assembly 7 comprises a lifting lug 71 and two mounting nuts 72, one end of the lifting lug 71 is positioned between the head of the fixing bolt 52 and the fixing flange 51, and the other end of the lifting lug 71 is provided with a through hole for the limiting pull rod 16 to pass through. The side walls of the limit pull rod 16 close to the two ends are both provided with threads, two mounting nuts 72 are in threaded connection with one end of the limit pull rod 16 provided with the threads and are respectively positioned at the two sides of the lifting lug 71, and the two mounting nuts 72 are matched and tightly abutted against the side walls of the two sides of the lifting lug 71
Referring to fig. 1 and 2, the third flange plate 11 is fixedly connected to two ends of the two metal frames 1 connected to the two pipelines, a plurality of rib plates 17 are fixedly connected to the metal frames 1 between the third flange plate 11 and the assembling ring 41 at intervals, and two ends of the rib plates 17 are respectively fixedly connected to two opposite side walls of the third flange plate 11 and the assembling ring 41.
The working principle of the embodiment of the application is as follows:
the inner lining plates 32 and the water baffles 31 respectively block condensed water on the metal frames 1 at two ends of the inner ring belt 12, and the inner lining plates 32 block the condensed water dropping on the metal frames 1 above the inner ring belt 12, so that the probability that the condensed water flows to the inner ring belt 12 and is accumulated is reduced.
When the inner ring belt 12 does not have the sealing effect any more after reaching the service life limit for a long time, the expansion ring belt 42 continues to absorb the expansion amount of the gas in the pipeline, and the drain pipe 15 discharges the condensed water leaked from the inner ring belt 12, so that the probability of accumulation of the condensed water on the expansion ring belt 42 is reduced, and the service life of the whole expansion joint is prolonged.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides a non-metal expansion joint with water retaining device which characterized in that: including setting up metal crate (1) at two pipeline pipe ends, be provided with inner circle area (12) between two metal crate (1), be provided with on metal crate (1) and be used for blockking that condensate water flows manger plate mechanism (3) on inner circle area (12), manger plate mechanism (3) include:
one end of the water baffle (31) is connected with one metal frame (1), and the other end of the water baffle (31) extends to the upper part of the inner ring belt (12) and is bent upwards;
one end of the lining plate (32) is arranged on the other metal frame (1) opposite to the metal frame (1) connected with the water baffle (31), and the other end of the lining plate (32) extends to the position above the water baffle (31).
2. The non-metallic expansion joint with a water retaining device of claim 1, wherein: inner circle area (12) both ends all can be dismantled through coupling mechanism (2) and connect on two metal crates (1), coupling mechanism (2) include:
the connecting ring (21) is sleeved on the metal frame (1), and the inner ring belt (12) is positioned between the connecting ring (21) and the metal frame (1);
and the fastening assembly (22) is arranged on the metal frame (1) and is used for pushing the connecting ring (21) to be matched with the metal frame (1) to clamp the inner ring belt (12).
3. The non-metallic expansion joint with a water retaining device of claim 2, wherein: the fastening assembly (22) comprises:
a fastening ring (23), the fastening ring (23) being provided on the metal frame (1);
the fastening screw (24) is in threaded connection with the fastening ring (23), penetrates through the fastening ring (23) along the radial direction of the fastening ring (23) and abuts against the surface of the connecting ring (21);
the two fastening nuts (25) are in threaded connection with the fastening screw (24) and tightly abut against two opposite side walls of the connecting ring (21).
4. The non-metallic expansion joint with a water retaining device of claim 1, wherein: the metal frame (1) is provided with an expansion mechanism (4) for continuing expansion after the inner ring belt (12) is damaged, and the expansion mechanism (4) comprises:
the two assembling rings (41), the two assembling rings (41) are respectively and fixedly connected to the two metal frames (1), and the outer diameters of the two assembling rings (41) are larger than that of the connecting ring (21);
the expansion ring belt (42), the both ends of expansion ring belt (42) all can be dismantled respectively and connect on two assembly rings (41) through fixed subassembly (5).
5. The non-metallic expansion joint with a water retaining device of claim 4, wherein: the fixing assembly (5) comprises:
the fixing flange (51), the fixing flange (51) and the assembling ring (41) are matched to clamp the expansion ring belt (42);
the fixing bolt (52) penetrates through the assembling ring (41), the expansion ring belt (42) and the fixing flange (51) in sequence, and a fixing nut (53) abutting against the assembling ring (41) is connected to the fixing bolt (52) in a threaded mode.
6. The non-metallic expansion joint with a water retaining device of claim 4, wherein: a drain pipe (15) for draining condensed water discharged onto the expansion ring band (42) is detachably connected to the expansion ring band (42) through a fitting assembly (6), and the fitting assembly (6) includes:
the first flange plate (61), the said first flange plate (61) is set up on the drain pipe (15);
the second flange plate (62), the said second flange plate (62) cooperates with first flange plate (61) to clamp the expansion ring belt (42);
the assembling bolt (63), the assembling bolt (63) passes through the first flange plate (61), the expansion ring belt (42) and the second flange plate (62) in sequence, and an assembling nut (64) abutting against the second flange plate (62) is connected to the assembling bolt (63) in a threaded mode.
7. The non-metallic expansion joint with a water retaining device of claim 1, wherein: and two limiting pull rods (16) for limiting the distance between the two metal frames (1) are arranged on the two metal frames (1).
8. The non-metallic expansion joint with a water retaining device of claim 7, wherein: spacing pull rod (16) through two installation component (7) demountable installation on two metal crates (1), installation component (7) include:
the lifting lug (71), the lifting lug (71) is tightly pressed on the fixing flange (51) under the action of the fixing bolt (52), and the limiting pull rod (16) penetrates through the lifting lug (71);
the two mounting nuts (72) are in threaded connection with the limiting pull rod (16) and are matched with each other to clamp the lifting lug (71).
9. The non-metallic expansion joint with a water retaining device of claim 4, wherein: the joint of the inner ring belt (12) and the two metal frames (1) is provided with a first sealing gasket (13), and the joint of the expansion ring belt (42) and the assembling ring (41) is provided with a second sealing gasket (14).
10. The non-metallic expansion joint with a water retaining device of claim 1, wherein: the pipeline connecting structure is characterized in that a plurality of rib plates (17) are arranged on the metal frame (1) at intervals, a third flange plate (11) used for being connected with a pipeline is arranged on the metal frame (1), one end of each rib plate (17) is connected with the assembling ring (41), and the other end of each rib plate (17) is connected with the third flange plate (11).
CN202220711708.8U 2022-03-29 2022-03-29 Non-metal expansion joint with water retaining device Active CN216923630U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220711708.8U CN216923630U (en) 2022-03-29 2022-03-29 Non-metal expansion joint with water retaining device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220711708.8U CN216923630U (en) 2022-03-29 2022-03-29 Non-metal expansion joint with water retaining device

Publications (1)

Publication Number Publication Date
CN216923630U true CN216923630U (en) 2022-07-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115962361A (en) * 2022-12-13 2023-04-14 诸暨市沣泽动力机械有限公司 Chimney nonmetal expansion joint

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115962361A (en) * 2022-12-13 2023-04-14 诸暨市沣泽动力机械有限公司 Chimney nonmetal expansion joint

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