CN219198507U - Expansion joint of flue gas desulfurization pipeline - Google Patents
Expansion joint of flue gas desulfurization pipeline Download PDFInfo
- Publication number
- CN219198507U CN219198507U CN202320756739.XU CN202320756739U CN219198507U CN 219198507 U CN219198507 U CN 219198507U CN 202320756739 U CN202320756739 U CN 202320756739U CN 219198507 U CN219198507 U CN 219198507U
- Authority
- CN
- China
- Prior art keywords
- joint
- flue
- expansion joint
- clamping
- fixedly connected
- 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.)
- Active
Links
Images
Landscapes
- Joints Allowing Movement (AREA)
Abstract
The utility model relates to an expansion joint, in particular to a flue gas desulfurization pipeline expansion joint. Including first flue joint, second flue joint and expansion joint body, the expansion joint body comprises outer festival and interior festival, is connected with adjusting part between outer festival and the interior festival, and adjusting part's bottom is connected with joint subassembly, and joint subassembly is used for driving expansion joint body joint between first flue joint and second flue joint. According to the utility model, the expansion joint body is composed of the outer joint and the inner joint, so that the adjusting component can be arranged between the outer joint and the inner joint, and the clamping component arranged at the bottom of the adjusting component can drive the expansion joint body to be clamped between the first flue joint and the second flue joint, thereby achieving the effect of enabling the expansion joint body to be conveniently separated from the first flue joint and the second flue joint.
Description
Technical Field
The utility model relates to an expansion joint, in particular to a flue gas desulfurization pipeline expansion joint.
Background
In order to protect the environment, the flue gas generated by the power generation system is required to be discharged into the atmosphere after being subjected to environmental protection treatment through a desulfurizing tower, the desulfurizing tower is connected with a desulfurizing flue, and an expansion joint is also arranged in the desulfurizing flue so as to adapt to movement caused by thermal expansion and contraction or other movements;
the Chinese patent publication number is as follows: CN214305856U, which belongs to the technical field of power plant equipment. The expansion joint solves the problems that the existing expansion joint of the desulfurization flue is easy to leak flue gas and the like. The expansion joint for the desulfurization flue comprises a first flue joint, a second flue joint and an expansion joint body, wherein the first flue joint, the second flue joint and the expansion joint body are both in a cylindrical shape, the expansion joint body is fixedly connected between the first flue joint and the second flue joint, the expansion joint body is made of 2205 stainless steel, the middle part of the expansion joint body protrudes outwards to form an expansion ring, two ends of the expansion joint body are respectively a first joint end and a second joint end, the first joint end is inserted into the first flue joint and is fixed through welding seal, and the second joint end is inserted into the second flue joint and is fixed through welding seal. The expansion joint of the desulfurization flue improves the tightness and the structural stability of the expansion joint, and reduces the possibility of smoke leakage at the expansion joint;
the expansion joint is characterized in that two ends of the expansion joint body are welded in the flue joint to be fixed, the tightness and the structural stability of the expansion joint are improved, but the mobility of the expansion joint body is reduced, the expansion joint body is likely to be corroded due to the fact that the expansion joint body is in contact with a flue, and if the expansion joint is corroded and needs to be replaced, the expansion joint is inconvenient to replace due to the fact that the expansion joint is welded.
Disclosure of Invention
The utility model aims to solve the defects and provide the flue gas desulfurization pipeline expansion joint which drives the clamping assembly to move through the adjusting assembly, so that the expansion joint body can be clamped and installed in the first flue joint and the second flue joint.
The expansion joint body can be installed inside the first flue connector and the second flue connector in a clamping mode through the adjusting assembly, and meanwhile, the sealing gaskets arranged at the top and the side faces of the connecting blocks are utilized, so that double sealing can be achieved in gaps generated between the two connecting blocks and the first flue connector and between the two connecting blocks and the second flue connector, and the situation that smoke flows out of the gaps is effectively reduced.
The utility model provides a flue gas desulfurization pipeline expansion joint which comprises a first flue joint, a second flue joint and an expansion joint body, wherein the expansion joint body is composed of an outer joint and an inner joint, an adjusting assembly is connected between the outer joint and the inner joint, the bottom of the adjusting assembly is connected with a clamping assembly, and the clamping assembly is used for driving the expansion joint body to be clamped between the first flue joint and the second flue joint.
As a further improvement of the technical scheme, the adjusting component comprises an elastic piece fixedly connected between the outer section and the inner section, a bottom block is fixedly connected to the bottom of the inner section, a sliding through hole is formed in the surface of the bottom block, a supporting block is arranged in the sliding through hole in a sliding mode, and the top of the supporting block is fixedly connected with the bottom of the outer section.
As a further improvement of the technical scheme, the clamping assembly comprises a connecting block fixedly connected with one side of the outer section, which is far away from the supporting block, the top of one side of the outer section, which is far away from the connecting block, is fixedly connected with a clamping block, the inside of the first flue connector and the inside of the second flue connector are provided with clamping grooves, and the inner walls of the clamping grooves are attached to the surfaces of the clamping blocks.
As a further improvement of the technical scheme, the side surfaces and the top surfaces of the two connecting blocks are fixedly connected with sealing gaskets, and the sealing gaskets are used for assisting the two connecting blocks to seal with gaps between the first flue connector and the second flue connector.
As a further improvement of the technical scheme, the inner walls of the two clamping grooves are provided with reinforcing grooves, the surfaces of the two clamping blocks are fixedly connected with reinforcing rods, and the surfaces of the reinforcing rods are attached to the inner walls of the reinforcing grooves.
Compared with the prior art, the utility model has the beneficial effects that:
in this flue gas desulfurization pipeline expansion joint, through utilizing expansion joint body to constitute by outer festival and interior festival, make adjusting part can set up between outer festival and interior festival to the joint subassembly that makes adjusting part bottom be equipped with can drive expansion joint body joint between first flue joint and second flue joint, reaches the effect that makes expansion joint body be convenient for connect with first flue joint and second flue joint separation dismantlement.
Drawings
The utility model is described in more detail below, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic view of the overall installation structure of embodiment 1 of the present utility model;
FIG. 2 is a schematic view showing an exploded structure of the mounting of embodiment 1 of the present utility model;
FIG. 3 is a schematic view showing a sectional structure in an installed state of embodiment 1 of the present utility model;
fig. 4 is a schematic diagram of the structure a in fig. 3 according to embodiment 1 of the present utility model.
The meaning of each reference sign in the figure is:
1. a first flue header; 11. a second flue header;
2. an expansion joint body; 21. an outer section; 22. an inner section;
3. an adjustment assembly; 31. an elastic member; 32. a bottom block; 33. a support block; 34. a sliding through hole;
4. a clamping assembly; 41. a clamping groove; 42. a connecting block; 43. a clamping block;
5. a sealing gasket;
6. a reinforcing rod; 61. and a reinforcing groove.
Detailed Description
In order to protect the environment, the flue gas generated by the power generation system is required to be discharged to the atmosphere after being subjected to environmental protection treatment through the desulfurizing tower, the desulfurizing flue is connected to the desulfurizing tower, the expansion joint is further arranged in the desulfurizing flue so as to adapt to the movement caused by thermal expansion and cold contraction or other movements, the two ends of the expansion joint body are welded in the flue joint by the expansion joint mentioned in the background, the tightness and the structural stability of the expansion joint are improved, but the activity of the expansion joint body is reduced, and the expansion joint body is possibly corroded due to the fact that the inner part of the expansion joint body is required to be contacted with the flue, and if the expansion joint is corroded, the expansion joint mentioned in the background is inconvenient to replace by adopting a welding mode.
Referring to fig. 1-4, the device includes a first flue connector 1, a second flue connector 11 and an expansion joint body 2, the expansion joint body 2 is composed of an outer joint 21 and an inner joint 22, an adjusting assembly 3 is connected between the outer joint 21 and the inner joint 22, a clamping assembly 4 is connected to the bottom of the adjusting assembly 3, and the clamping assembly 4 is used for driving the expansion joint body 2 to be clamped between the first flue connector 1 and the second flue connector 11. The expansion joint body 2 is composed of the outer joint 21 and the inner joint 22, and the adjusting component 3 can be arranged between the outer joint 21 and the inner joint 22, so that the clamping component 4 arranged at the bottom of the adjusting component 3 can drive the expansion joint body 2 to be clamped between the first flue joint 1 and the second flue joint 11, and the expansion joint body 2 is convenient to separate and disassemble from the first flue joint 1 and the second flue joint 11.
Firstly, a specific structure of the adjusting component 3 is disclosed, the adjusting component 3 comprises an elastic piece 31 fixedly connected between an outer joint 21 and an inner joint 22, a bottom block 32 is fixedly connected to the bottom of the inner joint 22, a sliding through hole 34 is formed in the surface of the bottom block 32, a supporting block 33 is slidably arranged in the sliding through hole 34, and the top of the supporting block 33 is fixedly connected with the bottom of the outer joint 21. When the expansion joint body 2 needs to be installed, the outer joint 21 is pressed towards the inner joint 22, so that the elastic piece 31 fixedly connected between the outer joint 21 and the inner joint 22 can be extruded, and the outer joint 21 is made of metal and has certain elasticity, so that the bottom of the outer joint 21 can be bent and slid to be attached to the surface of the inner joint 22, the supporting block 33 fixedly connected with the bottom of the outer joint 21 is driven to slide in the sliding through hole 34 formed in the surface of the bottom block 32, after the installation is completed, the outer joint 21 is loosened, the elastic piece 31 loses pressure rebound, the outer joint 21 is driven to return to the original position, and the expansion joint body 2 can normally work.
The main purpose of the elastic member 31 is: after the expansion joint body 2 is clamped and installed, the outer joint 21 is loosened, so that the elastic piece 31 loses pressure rebound, the outer joint 21 is driven to return to the original position, the elastic piece 31 is preferably a spiral spring piece, and a rubber pad can be used for achieving the purposes.
Secondly, a specific structure of the clamping assembly 4 is disclosed, the clamping assembly 4 comprises a connecting block 42 fixedly connected with one side, away from the outer joint 21, of the supporting block 33, a clamping block 43 is fixedly connected with the top of one side, away from the outer joint 21, of the connecting block 42, clamping grooves 41 are formed in the first flue connector 1 and the second flue connector 11, and the inner walls of the clamping grooves 41 are attached to the surfaces of the clamping blocks 43. When the outer joint 21 is extruded, the supporting block 33 fixedly connected with the bottom of the outer joint 21 can be driven to slide towards the inner joint 22, so that the connecting block 42 fixedly connected with the bottom of the supporting block 33 can slide towards the inside of the expansion joint body 2, the specific size of the clamping assembly 4 can be reduced, when the clamping assembly 4 enters the inside of the first flue joint 1 and the second flue joint 11, the outer joint 21 is loosened, the elastic piece 31 rebounds, the outer joint 21 is driven to return to the original position, and meanwhile, the clamping block 43 can be driven to be tightly attached to the clamping groove 41, so that the effect of clamping and installing the expansion joint body 2 is achieved.
The improvement of the embodiment is that: firstly, the expansion joint body 2 is composed of an outer joint 21 and an inner joint 22, the adjusting component 3 can be arranged between the outer joint 21 and the inner joint 22, when the expansion joint body 2 needs to be installed, the outer joint 21 is pressed towards the inner joint 22, the elastic piece 31 fixedly connected between the outer joint 21 and the inner joint 22 can be extruded, the bottom of the outer joint 21 can be bent and slid to be attached to the surface of the inner joint 22 due to certain elasticity of the outer joint 21, the supporting block 33 fixedly connected with the bottom of the outer joint 21 is driven to slide in the sliding through hole 34 formed in the surface of the bottom block 32, the connecting block 42 fixedly connected with the bottom of the supporting block 33 can slide towards the inside of the expansion joint body 2, the specific size of the clamping component 4 can be reduced, after the clamping component 4 enters the inside of the first flue joint 1 and the second flue joint 11, the outer joint 21 is loosened, the elastic piece 31 is rebounded, the outer joint 21 is driven to return to the original position, and the clamping block 43 can be driven to be tightly attached to the clamping groove 41, so that the clamping installation effect of the expansion joint body 2 is achieved.
Considering the sealing condition of the contact positions of the two connection blocks 42 and the first flue connector 1 and the second flue connector 11, in order to improve the sealing performance of the joint positions of the connection blocks 42 and the first flue connector 1 and the second flue connector 11, as shown in fig. 3-4, the side surfaces and the top surfaces of the two connection blocks 42 are fixedly connected with sealing gaskets 5, and the sealing gaskets 5 are used for assisting the sealing of the gaps between the two connection blocks 42 and the first flue connector 1 and the second flue connector 11.
The improvement is that: by utilizing the sealing gasket 5 fixedly connected to the top and the side surfaces of the connecting blocks 42, the gap between the two connecting blocks 42 and the first flue connector 1 and the second flue connector 11 can be doubly sealed, and the condition that the flue gas flows out of the gap is effectively reduced.
Because expansion joint body 2 and first flue joint 1 and second flue joint 11 adopt joint subassembly 4 to install, consider the stability of joint, through the fig. 3 shows, the reinforcement groove 61 has all been seted up to the inner wall of two joint grooves 41, and the equal fixedly connected with stiffening rod 6 of surface of two joint pieces 43, the laminating of the inner wall in stiffening rod 6 and reinforcement groove 61.
The improvement is that: when the clamping block 43 is clamped in the clamping groove 41, the reinforcing rod 6 which can drive the surface of the clamping block 43 to be fixedly connected stretches into the reinforcing groove 61, so that the connection stability of the clamping block 43 and the clamping groove 41 is increased, and the installation stability of the expansion joint body 2 is improved.
To sum up, the working principle of the scheme is as follows: firstly, the expansion joint body 2 is composed of an outer joint 21 and an inner joint 22, the adjusting component 3 can be arranged between the outer joint 21 and the inner joint 22, when the expansion joint body 2 needs to be installed, the outer joint 21 is pressed towards the inner joint 22, the elastic piece 31 fixedly connected between the outer joint 21 and the inner joint 22 can be extruded, the bottom of the outer joint 21 can be bent and slid to be attached to the surface of the inner joint 22 due to certain elasticity of the outer joint 21, the supporting block 33 fixedly connected with the bottom of the outer joint 21 is driven to slide in the sliding through hole 34 formed on the surface of the bottom block 32, the connecting block 42 fixedly connected with the bottom of the supporting block 33 slides towards the inside of the expansion joint body 2, the specific size of the clamping assembly 4 can be reduced, when the clamping assembly 4 enters the first flue joint 1 and the second flue joint 11, the outer joint 21 is loosened, the elastic piece 31 is rebounded, the outer joint 21 is driven to return to the original position, the clamping block 43 can be driven to be tightly attached to the clamping groove 41, when the clamping block 43 is clamped in the clamping groove 41, the reinforcing rod 6 fixedly connected with the surface of the clamping block 43 can be driven to extend into the reinforcing groove 61, so that the connection stability of the clamping block 43 and the clamping groove 41 is increased, and the installation stability of the expansion joint body 2 is improved;
the sealing gaskets 5 fixedly connected to the top and the side surfaces of the connecting blocks 42 are utilized, so that the gap between the two connecting blocks 42 and the first flue connector 1 and the second flue connector 11 can be doubly sealed, and the condition that smoke drifts out of the gap is effectively reduced.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a flue gas desulfurization pipeline expansion joint, includes first flue joint (1), second flue joint (11) and expansion joint body (2), its characterized in that: the expansion joint is characterized in that the expansion joint body (2) is composed of an outer joint (21) and an inner joint (22), an adjusting component (3) is connected between the outer joint (21) and the inner joint (22), a clamping component (4) is connected to the bottom of the adjusting component (3), and the clamping component (4) is used for driving the expansion joint body (2) to be clamped between the first flue joint (1) and the second flue joint (11).
2. The flue gas desulfurization pipeline expansion joint according to claim 1, wherein: the adjusting component (3) comprises an elastic piece (31) fixedly connected between the outer joint (21) and the inner joint (22), a bottom block (32) is fixedly connected to the bottom of the inner joint (22), a sliding through hole (34) is formed in the surface of the bottom block (32), a supporting block (33) is arranged in the sliding through hole (34) in a sliding mode, and the top of the supporting block (33) is fixedly connected with the bottom of the outer joint (21).
3. The flue gas desulfurization pipeline expansion joint according to claim 2, wherein: the clamping assembly (4) comprises a connecting block (42) fixedly connected with one side, away from the outer joint (21), of the supporting block (33), a clamping block (43) is fixedly connected with the top, away from the outer joint (21), of the connecting block (42), clamping grooves (41) are formed in the first flue connector (1) and the second flue connector (11), and the inner walls of the clamping grooves (41) are attached to the surfaces of the clamping blocks (43).
4. A flue gas desulfurization pipeline expansion joint according to claim 3, wherein: the side faces and the top faces of the two connecting blocks (42) are fixedly connected with sealing gaskets (5), and the sealing gaskets (5) are used for assisting the two connecting blocks (42) to seal gaps between the first flue connector (1) and the second flue connector (11).
5. A flue gas desulfurization pipeline expansion joint according to claim 3, wherein: reinforcing grooves (61) are formed in the inner walls of the clamping grooves (41), reinforcing rods (6) are fixedly connected to the surfaces of the clamping blocks (43), and the surfaces of the reinforcing rods (6) are attached to the inner walls of the reinforcing grooves (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320756739.XU CN219198507U (en) | 2023-04-07 | 2023-04-07 | Expansion joint of flue gas desulfurization pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320756739.XU CN219198507U (en) | 2023-04-07 | 2023-04-07 | Expansion joint of flue gas desulfurization pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219198507U true CN219198507U (en) | 2023-06-16 |
Family
ID=86719962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320756739.XU Active CN219198507U (en) | 2023-04-07 | 2023-04-07 | Expansion joint of flue gas desulfurization pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219198507U (en) |
-
2023
- 2023-04-07 CN CN202320756739.XU patent/CN219198507U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219198507U (en) | Expansion joint of flue gas desulfurization pipeline | |
| CN214119330U (en) | External corrugated pipe compensator sealing device | |
| CN210770948U (en) | Corrugated pipe compensator | |
| CN2849357Y (en) | Zero leakage gate valve | |
| CN2844701Y (en) | Nonmetal compensator of desulfurizer | |
| CN2872117Y (en) | Flexible sealer of vibration rod for shocking ash discharging mechanism | |
| CN215950664U (en) | Sealing ring of clamping type connecting pipe joint | |
| CN213451669U (en) | Fluoroplastic heat exchanger sealing structure | |
| CN201069335Y (en) | Heat exchanger of heat-resisting stress axial heat pipe | |
| CN212377523U (en) | Corrugated pipe | |
| CN219828044U (en) | Oil pipe sealing connection device | |
| CN201680091U (en) | Large-deflection loose tub compensating joint | |
| CN220168560U (en) | Combined rubber sealing ring | |
| CN206468978U (en) | A kind of bellows expansion joint with flexible strengthening ring | |
| CN207180957U (en) | A kind of small bellows leak test instrument | |
| CN101694257A (en) | Large deflection loose tube compensation joint | |
| CN213712276U (en) | Efficient wear-resistant metal expansion joint | |
| CN2890571Y (en) | Cross-wall sleeve | |
| CN218031938U (en) | Steel lining tetrafluoro pipe | |
| CN220581911U (en) | Water conservancy pipeline connecting device that leakproofness is strong | |
| CN219082589U (en) | PPR pipeline convenient to installation is dismantled | |
| CN215806993U (en) | Shock-absorbing sealing carbon steel plastic-coated pipe joint | |
| CN210291163U (en) | High-pressure-resistant heat insulation board | |
| CN209415500U (en) | A kind of sealing regenerative air heater | |
| CN216954939U (en) | Titanium reinforced U-shaped corrugated pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |