CN219912193U - Inlet and outlet pipeline structure for TRT or BPRT - Google Patents
Inlet and outlet pipeline structure for TRT or BPRT Download PDFInfo
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- CN219912193U CN219912193U CN202320716729.3U CN202320716729U CN219912193U CN 219912193 U CN219912193 U CN 219912193U CN 202320716729 U CN202320716729 U CN 202320716729U CN 219912193 U CN219912193 U CN 219912193U
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- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims 3
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an inlet and outlet pipeline structure for TRT or BPRT, which is characterized in that: including outlet pipe, outlet pipe is including the square rounding adapter of the export that connects gradually, first circular elbow pipe and expanding pipe, the one end of export square rounding adapter is rectangle, the other end is circular, the square end of export square rounding adapter is used for the square export of direct connection turbine equipment, the area of the round terminal surface of export square rounding adapter is not less than the area of its square terminal surface in order to guarantee that the air current normally passes through and not throttles, the external diameter of the round terminal surface of export square rounding adapter is not more than its square terminal surface length direction's size in order to guarantee to keep the safe interval with inlet pipe, the path end of expanding pipe is connected with first circular elbow pipe. The inlet and outlet pipeline structure for TRT or BPRT effectively reduces noise pollution by improving the outlet pipeline accessories.
Description
Technical Field
The utility model relates to the field of blast furnace smelting, in particular to an inlet and outlet pipeline structure for TRT or BPRT.
Background
In order to smoothly convey blast furnace gas, the caliber of inlet and outlet pipelines of TRT and BPRT equipment is designed to be larger than that of an inlet and an outlet of the equipment, as shown in figure 1, the prior structure is that the inlet pipeline is directly connected with a square outlet of the equipment by adopting an inlet square rounding adapter 1', the caliber of the inlet square rounding adapter 1' gradually expands to a required caliber towards the round end of the inlet square rounding adapter, the round end of the inlet square rounding adapter is connected with a round curved pipe 2', the round curved pipe 2' is connected with a duplex large-pull rod ripple compensator 3', the caliber of the round curved pipe 2' is larger, and the space at the inlet and the outlet of the equipment is limited, so that the same pipeline scheme as that at the inlet can not be adopted at the outlet of the equipment. As shown in fig. 2, the outlet pipeline structure of the device is that a rectangular connector 4' is firstly used for connecting a square outlet of the device, the rectangular connector 4' is connected with a rectangular bent pipe 5', the rectangular bent pipe 5' is connected with an outlet square rounding transfer pipe 6', the caliber of the outlet square rounding transfer pipe 6' is enlarged from a square end to a round end to a required caliber, and the round end of the outlet square rounding transfer pipe 6' is connected with a straight round pipe with a large caliber. The existing pipe structure has the following two disadvantages:
1) Due to technical limitation or price factors, the compound large-pull-rod corrugated compensator is adopted on the inlet pipeline, only radial vibration can be absorbed by the compound large-pull-rod corrugated compensator, axial vibration at the round bent pipe cannot be absorbed, vibration amplitude of the inlet pipeline is high, compensation effect of the compound large-pull-rod corrugated compensator on a pipe system is poor, vibration of the inlet pipeline is large, system operation stability is high, and frequent shutdown is caused by vibration.
2) The outlet pipeline adopts the export of rectangle joint lug connection equipment, and rethread rectangle curved connection pipe connects rectangle joint and square rounding adapter, and in order to consolidate the poor rectangle curved connection pipe of atress effect, the welding has the gusset that consolidates in the rectangle curved connection pipe, if the welding seam is insecure, and the air current erodes the noise very big, and noise pollution is serious.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an inlet and outlet pipeline structure for TRT or BPRT, which reduces noise and improves system stability.
In order to achieve the above purpose, the utility model is realized by the following technical scheme:
the utility model provides an exit pipeline structure for TRT or BPRT, including the outlet pipe, the outlet pipe is including the square rounding adapter of export that connects gradually, first circular elbow pipe and expanding pipe, the one end of export square rounding adapter is rectangle, the other end is circular, the square end of export square rounding adapter is used for the square export of direct connection turbine equipment, the area of the circular terminal surface of export square rounding adapter is not less than the area of its square terminal surface in order to guarantee that the air current normally passes through and not the restriction, the external diameter of the circular terminal surface of export square rounding adapter is not more than its square terminal surface length direction's size in order to guarantee to keep safe interval with the inlet pipe, the path end and the first circular elbow pipe of expanding pipe are connected.
Further, the outlet pipeline also comprises a plurality of straight round pipes and a plurality of second round bent pipes, the pipe diameters of the straight round pipes and the second round bent pipes are the same as the large diameter of the diameter expanding pipe, and the large diameter end of the diameter expanding pipe is connected with the straight round pipes or the second round bent pipes.
Further, the outlet pipeline is provided with a compound large pull rod ripple compensator, the large diameter end of the diameter expanding pipe is connected with a straight round pipe, the other end of the straight round pipe is connected with a second round bent pipe, and the other end of the second round bent pipe is connected with the compound large pull rod ripple compensator.
Further, the device also comprises an inlet pipeline, and a compensator for absorbing the axial deformation and the transverse deformation of the inlet pipeline is arranged on the inlet pipeline.
Further, the compensator for absorbing the axial deformation and the transverse deformation of the inlet pipeline simultaneously is a duplex straight pipe pressure balance type corrugated compensator, the inlet pipeline comprises an inlet square rounding adapter and a third round curved connecting pipe, the square end of the inlet square rounding adapter is used for being directly connected with the square inlet of the turbine equipment, one end of the third round curved connecting pipe is connected with the round end of the inlet square rounding adapter, and the other end of the third round curved connecting pipe is connected with the duplex straight pipe pressure balance type corrugated compensator.
Compared with the prior art, the inlet and outlet pipeline structure for TRT or BPRT has the following advantages:
1) The outlet pipe adopts the outlet square rounding adapter to be directly connected with the outlet of the equipment, the outlet square rounding adapter is connected with the first round bent pipe again, the caliber of the square rounding adapter and the caliber of the first round bent pipe are smaller, and then the caliber is expanded to the required caliber through the expanding pipe, so that the rectangular connector and the rectangular bent pipe in the prior art are removed, and the noise pollution is effectively reduced by improving the accessory of the outlet pipe.
2) The inlet pipeline is provided with the duplex straight pipe pressure balance type corrugated compensator, so that axial and transverse vibration can be absorbed, the running stability of the TRT/BPRT system is effectively improved, frequent shutdown caused by vibration is avoided, and economic benefit is improved.
Drawings
Fig. 1 is a schematic diagram of an inlet and outlet duct of a TRT apparatus of the background art;
FIG. 2 is a schematic diagram of an outlet conduit of a TRT apparatus of the background;
fig. 3 is a schematic view of an inlet and outlet duct of the TRT apparatus of the present utility model;
FIG. 4 is a schematic diagram of the outlet conduit of the TRT apparatus of the utility model;
fig. 5 is a view of the outlet rounding adapter C.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
This embodiment describes an inlet and outlet duct for a TRT or BPRT, comprising an inlet duct and an outlet duct. Fig. 3 shows a TRT apparatus comprising a turbine 100, a generator 200 and a sound insulation enclosure 300. As shown in fig. 3 to 5, the outlet pipe includes an outlet square rounding adapter 1, a first round elbow pipe 2 and an expanded pipe 3 which are sequentially connected, one end of the outlet square rounding adapter 1 is rectangular, the other end is round, the square end of the outlet square rounding adapter 1 is used for being directly connected with a square outlet of a turbine device, the area of the round end face of the outlet square rounding adapter is not smaller than the area of the square end face of the outlet square rounding adapter so as to ensure that air flow normally passes through but not throttled, the outer diameter of the round end face of the outlet square rounding adapter 1 is not larger than the size of the length direction of the square end face of the outlet square rounding adapter so as to ensure that a safe distance is kept between the round end face and the inlet pipe (as shown in fig. 5), and the small-diameter end of the expanded pipe 3 is connected with the first round elbow pipe 2. The caliber of the square-to-round adapter and the caliber of the first round bent pipe 2 are smaller, and then the diameter of the first round bent pipe 2 is expanded to the required caliber through the diameter expanding pipe 3, so that the first round bent pipe 2 has better installation stability due to the round section, and accessories such as reinforcing rib plates and the like do not need to be additionally arranged inside, so that the noise is low.
The outlet pipeline also comprises a plurality of straight round pipes 4 and a plurality of second round bent pipes 5, the pipe diameters of the straight round pipes 4 and the second round bent pipes 5 are the same as the large diameter of the expanded pipe 3, and the large diameter end of the expanded pipe 3 can be connected with the straight round pipes 4 or the second round bent pipes 5 according to the overall shape of the site space and the outlet pipeline. The diameters of the straight round pipe 4 and the second round bent pipe 5 are larger, which is beneficial to the transportation of blast furnace gas.
In this embodiment, the outlet pipe is provided with a duplex large-pull-rod corrugated compensator 6, the large-diameter end of the diameter-expanding pipe 3 is connected with a straight round pipe 4, the other end of the straight round pipe 4 is connected with a second round bent pipe 5, and the other end of the second round bent pipe 5 is connected with the duplex large-pull-rod corrugated compensator 6.
The inlet pipe is provided with a compensator for absorbing both axial and transverse deformations of the inlet pipe, which in this embodiment is a duplex straight pipe pressure balanced corrugated compensator 7. The inlet pipeline comprises an inlet square rounding adapter 8 and a third round bent pipe 9, the square end of the inlet square rounding adapter 8 is used for being directly connected with a square inlet of the turbine equipment, the pipe diameter of the round end of the inlet square rounding adapter 8 is larger than the length direction of the square end face of the round end, one end of the third round bent pipe 9 is connected with the round end of the inlet square rounding adapter 8, and the other end of the third round bent pipe 9 is connected with the duplex straight pipe pressure balance type corrugated compensator 7. The inlet pipeline also comprises a straight circular pipe 4, and two ends of the duplex straight pipe pressure balance type corrugated compensator 7 on the inlet pipeline are respectively connected with the straight circular pipe 4 and a third round bent pipe 9. The duplex straight pipe pressure balance type ripple compensator 7 can absorb axial and transverse deformation of the inlet pipeline, reduce the overall amplitude of the inlet pipeline, effectively improve the running stability of a TRT or BPRT system, reduce shutdown caused by abnormal vibration of TRT or BPRT equipment and improve economic benefit.
Through engineering application practice, the scheme can effectively improve the running stability of the TRT or BPRT system, avoid frequent shutdown caused by vibration and has great economic benefit; meanwhile, by improving the accessory of the TRT or BPRT outlet pipeline, the square connecting pipe is reduced at the outlet, so that noise pollution can be effectively reduced.
The embodiments are merely illustrative of the technical solution of the present utility model, and not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present utility model, and therefore all other embodiments obtained by those skilled in the art without making creative efforts are intended to fall within the protection scope of the present utility model.
Claims (5)
1. An inlet and outlet pipeline structure for TRT or BPRT, which is characterized in that: including outlet pipe, outlet pipe is including the square rounding adapter of the export that connects gradually, first circular elbow pipe and expanding pipe, the one end of export square rounding adapter is rectangle, the other end is circular, the square end of export square rounding adapter is used for the square export of direct connection turbine equipment, the area of the round terminal surface of export square rounding adapter is not less than the area of its square terminal surface in order to guarantee that the air current normally passes through and not throttles, the external diameter of the round terminal surface of export square rounding adapter is not more than its square terminal surface length direction's size in order to guarantee to keep the safe interval with inlet pipe, the path end of expanding pipe is connected with first circular elbow pipe.
2. The inlet and outlet pipe structure for TRT or BPRT according to claim 1, wherein: the outlet pipeline also comprises a plurality of straight round pipes and a plurality of second round bent pipes, the pipe diameters of the straight round pipes and the second round bent pipes are the same as the large diameter of the diameter expanding pipe, and the large diameter end of the diameter expanding pipe is connected with the straight round pipes or the second round bent pipes.
3. The inlet and outlet pipe structure for TRT or BPRT according to claim 1, wherein: the outlet pipeline is provided with a compound large pull rod ripple compensator, the large diameter end of the diameter-expanding pipe is connected with a straight round pipe, the other end of the straight round pipe is connected with a second round bent pipe, and the other end of the second round bent pipe is connected with the compound large pull rod ripple compensator.
4. The inlet and outlet pipe structure for TRT or BPRT according to claim 1, wherein: the device also comprises an inlet pipeline, and a compensator for simultaneously absorbing the axial deformation and the transverse deformation of the inlet pipeline is arranged on the inlet pipeline.
5. The inlet and outlet pipe structure for TRT or BPRT according to claim 4, wherein: the compensator for absorbing the axial and transverse deformation of the inlet pipeline simultaneously is a duplex straight pipe pressure balance type ripple compensator, the inlet pipeline comprises an inlet square rounding adapter and a third round bending pipe, the square end of the inlet square rounding adapter is used for being directly connected with the square inlet of the turbine equipment, one end of the third round bending pipe is connected with the round end of the inlet square rounding adapter, and the other end of the third round bending pipe is connected with the duplex straight pipe pressure balance type ripple compensator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320716729.3U CN219912193U (en) | 2023-03-30 | 2023-03-30 | Inlet and outlet pipeline structure for TRT or BPRT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320716729.3U CN219912193U (en) | 2023-03-30 | 2023-03-30 | Inlet and outlet pipeline structure for TRT or BPRT |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219912193U true CN219912193U (en) | 2023-10-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320716729.3U Active CN219912193U (en) | 2023-03-30 | 2023-03-30 | Inlet and outlet pipeline structure for TRT or BPRT |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219912193U (en) |
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2023
- 2023-03-30 CN CN202320716729.3U patent/CN219912193U/en active Active
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