CN219976164U - Flow regulating device for branch pipe of steam pipeline - Google Patents
Flow regulating device for branch pipe of steam pipeline Download PDFInfo
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- CN219976164U CN219976164U CN202321051561.5U CN202321051561U CN219976164U CN 219976164 U CN219976164 U CN 219976164U CN 202321051561 U CN202321051561 U CN 202321051561U CN 219976164 U CN219976164 U CN 219976164U
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- 230000008020 evaporation Effects 0.000 description 8
- 238000001704 evaporation Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to the technical field of pipeline steam flow regulating devices, in particular to a steam pipeline branch pipe flow regulating device which comprises a steam main pipe and a plurality of steam branch pipes connected to the side wall of the steam main pipe, wherein each steam branch pipe is provided with a steam flow regulating mechanism, each steam branch pipe comprises a shell, an annular seat, a torsion ring and a plurality of circular arc fan-shaped blades, the annular seat is fixedly connected to the inner wall of the shell, the circular arc fan-shaped blades are connected to the annular seat in a surrounding mode in a rotating mode, the circular arc fan-shaped blades are positioned between the annular seat and the torsion ring, and a convex column is fixedly connected to the middle part of one side of each circular arc fan-shaped blade.
Description
Technical Field
The utility model relates to the technical field of pipeline steam flow regulating devices, in particular to a steam pipeline branch pipe flow regulating device.
Background
The MVR evaporation technology is used as an efficient and energy-saving evaporation mode and is widely applied to various solution concentration or crystallization working conditions, and the main principle is that an electric energy is utilized to drive an impeller to mechanically compress secondary steam generated by evaporation so as to increase the internal energy and improve the steam temperature, and then the MVR evaporation technology is used as an evaporation heat source to replace the traditional raw steam, so that the purposes of energy recovery, energy conservation and consumption reduction are achieved. The MVR evaporation device generally adopts a mode of parallel connection of single or multi-body evaporators according to the multiple of material concentration and evaporation capacity, namely one MVR vapor compressor simultaneously provides vapor for one or more evaporators, and when the MVR vapor compressor simultaneously provides vapor for a plurality of evaporators which are connected in parallel, reasonable distribution of the vapor of each evaporator which is connected in parallel becomes an important factor which directly influences the operation effect of the MVR evaporation system.
In search, the prior patent publication No. CN108954643B discloses an air flow regulating device for a ventilating duct system, wherein partial fluid is forced to be distributed into each branch pipe through a guide plate arranged in a main pipe, namely a sheet-shaped structure for guiding the branch pipe is arranged in the main pipe, and partial fluid in the main pipe is forced to flow into the branch pipe according to the installation direction of the guide structure; however, the disclosed patent cannot monitor the pressure conditions in the steam header pipe and each steam branch pipe, and cannot adjust the flow rate of the steam of each branch pipe in real time according to the actual operation requirements of the steam header pipe and each steam branch pipe, so that improvement is needed.
Disclosure of Invention
The utility model aims to provide a flow regulating device for a branch pipe of a steam pipeline, which is used for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a steam conduit branch pipe flow regulating device, including the steam house steward and connect a plurality of steam branch pipes at the steam house steward lateral wall, all be equipped with steam flow regulating mechanism on every steam branch pipe, steam flow regulating mechanism includes the casing, annular seat, twist ring and a plurality of circular arc fan-shaped blade, annular seat fixed connection is on shells inner wall, a plurality of circular arc fan-shaped blade encircle round and rotate to connect on annular seat, circular arc fan-shaped blade is located annular seat and twist ring between, a side middle part fixedly connected with projection of circular arc fan-shaped blade is equipped with a plurality of arc grooves on the twist ring, the projection activity is inserted and is established in the arc groove, still include the driving mechanism that the drive twist ring was twisted.
Preferably, the driving mechanism comprises a motor, a gear and an arc-shaped rack, wherein the arc-shaped rack is fixedly connected to the circumferential side wall of the torsion ring, the gear is arranged on an output shaft of the motor, and the gear is meshed with the arc-shaped rack.
Preferably, the steam branch pipe comprises two sections of branch pipes, and the shell is used for connecting and communicating with the two sections of branch pipes; the diameter of the central through hole of the annular seat, the diameter of the central through hole of the torsion ring and the inner diameter of the steam branch pipe are equal.
Preferably, one side fixedly connected with motor casing of casing, motor casing and casing intercommunication, the motor passes through the bolt to be installed in the motor casing.
Preferably, one side of the motor casing, which is far away from the casing, is provided with an access hole, and a cover plate is arranged at the access hole through bolts and nuts.
Preferably, the multi-stage evaporator further comprises an MVR vapor compressor and a plurality of evaporators, one end of the vapor main pipe is closed, the other end of the vapor main pipe is connected with a vapor outlet of the MVR vapor compressor, and one end of the vapor branch pipe, which is far away from the vapor main pipe, is connected with the evaporators.
Compared with the prior art, the utility model has the beneficial effects that:
according to the flow regulating device for the branch pipes of the steam pipeline, through a first pressure transmitter arranged on a main steam pipe and a second pressure transmitter arranged on each branch steam pipe, the rotation of a motor in each branch steam pipe can be controlled and regulated according to the difference value of the pressure transmitters respectively arranged on each branch steam pipe and the main steam pipe, the opening and closing angles of arc fan-shaped blades in each steam flow regulating mechanism are driven, and finally the steam flow of each branch steam pipe is regulated; the problems that the pressure condition of a steam main pipe and each steam branch pipe cannot be monitored and the flow of each branch pipe steam cannot be regulated in real time according to the actual operation requirements of the steam main pipe and each steam branch pipe in the prior art are solved.
Drawings
FIG. 1 is a schematic diagram of the whole structure of the present utility model.
Fig. 2 is a schematic structural diagram of a steam header pipe and a steam branch pipe in the present utility model.
Fig. 3 is a schematic cross-sectional view of fig. 2 in accordance with the present utility model.
Fig. 4 is a schematic view of the internal structure of the housing according to the present utility model.
Fig. 5 is a schematic structural view of the annular seat, the circular arc fan-shaped blades and the torsion ring in the utility model.
Fig. 6 is a schematic view of the structure of the torsion ring and the driving mechanism in the present utility model.
Fig. 7 is a schematic structural view of an arc fan blade according to the present utility model.
The meaning of each reference numeral in the figures is:
1. MVR vapor compressor; 2. an evaporator; 30. a steam header pipe; 31. a steam branch pipe; 4. a first pressure transmitter; 5. a second pressure transmitter; 60. a housing; 61. an annular seat; 62. arc fan-shaped blades; 620. a convex column; 63. a torsion ring; 630. an arc-shaped groove; 631. an arc-shaped rack; 64. a motor; 65. a gear; 66. a motor housing; 67. and a cover plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus 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.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.
The utility model provides a technical scheme that:
referring to fig. 1-7, the flow regulator for branch pipes of steam pipes comprises a steam header pipe 30, a plurality of steam branch pipes 31 connected to the side wall of the steam header pipe 30, and specifically, an MVR steam compressor 1 and a plurality of evaporators 2, wherein the number of the evaporators 2 is the same as that of the steam branch pipes 31, and the number of the evaporators 2 in the utility model is preferably 3; one end of the steam main pipe 30 is closed, the other end of the steam main pipe 30 is open, the other end of the steam main pipe 30 is connected with a steam outlet of the MVR steam compressor 1 (flange connection can be adopted), and one end of the steam branch pipe 31, which is far away from the steam main pipe 30, is connected with the evaporator 2.
In use, the MVR vapor compressors 1 are started to operate, and steam enters each of the steam branch pipes 31 through the steam header pipe 30 and finally enters the evaporators 2, and one MVR vapor compressor 1 can simultaneously provide steam for one or more evaporators 2.
Because each steam branch pipe is led out from the steam main pipe, and the positions of the steam branch pipes are relatively close to each other, the steam in each steam branch pipe is unevenly distributed, and the heat source supply of the heat transfer element using the steam in each steam branch pipe as the heat source is insufficient. Each steam branch pipe generally provides steam for heat exchange equipment with different heat transfer areas, so that the downstream flow resistance of each branch pipe is different, and the uneven steam flow distribution of each steam pipeline is aggravated; in order to facilitate the adjustment of the steam flow in each steam branch pipe, a steam flow adjustment mechanism is provided on each steam branch pipe 31.
Specifically, the steam flow regulating mechanism comprises a shell 60, an annular seat 61, a twisting ring 63 and a plurality of circular arc fan-shaped blades 62, wherein the circumferential side wall of the annular seat 61 is fixedly connected to the inner wall of the shell 60, the circular arc fan-shaped blades 62 are connected to the annular seat 61 in a surrounding mode in a rotating mode, the circular arc fan-shaped blades 62 are located between the annular seat 61 and the twisting ring 63, a convex column 620 is fixedly connected to one middle portion of one side of the circular arc fan-shaped blades 62, a plurality of arc grooves 630 are formed in the twisting ring 63, the convex column 620 is movably inserted into the arc grooves 630, and the column wall of the convex column 620 is abutted to the inner wall of the arc grooves 630, and the steam flow regulating mechanism further comprises a driving mechanism for driving the twisting ring 63 to twist.
When the steam flow on the steam branch pipe 31 needs to be increased, the driving mechanism drives the torsion ring 63 to rotate clockwise, so that the plurality of circular arc fan-shaped blades 62 can be driven to rotate and spread, the circulation aperture is increased, and the steam throughput can be increased; when the steam flow on the steam branch pipe 31 needs to be reduced, the driving mechanism drives the torsion ring 63 to rotate anticlockwise, so that the plurality of circular arc fan-shaped blades 62 can be driven to rotate and shrink, the flow aperture is reduced, and the steam throughput can be reduced.
The steam branch pipe 31 comprises two sections of branch pipes, a shell 60 is used for connecting the two sections of branch pipes and is communicated with the two sections of branch pipes, one end of a first section of branch pipe is connected and communicated with the steam main pipe 30, one end of a second section of branch pipe is connected with the evaporator 2, and the other end of the first section of branch pipe and the other end of the second section of branch pipe are respectively connected with the shell 60; the center through hole diameter of the annular seat 61, the center through hole diameter of the torsion ring 63, and the inner diameter of the steam manifold 31 are equal.
Specifically, referring to fig. 4-6, the driving mechanism includes a motor 64, a gear 65 and an arc-shaped rack 631, the arc-shaped rack 631 is fixedly connected to the circumferential side wall of the torsion ring 63, the gear 65 is mounted on the output shaft of the motor 64, and the gear 65 is meshed with the arc-shaped rack 631.
The starting motor 64 works to drive the output shaft to rotate clockwise/anticlockwise, and the gear 65 is meshed with the arc-shaped rack 631 to drive the torsion ring 63 to rotate anticlockwise/clockwise; when the torsion ring 63 rotates counterclockwise/clockwise, the circular arc fan blades 62 are driven to rotate to contract/expand, so that the flow rate of steam in the steam manifold 31 can be reduced/increased.
A motor casing 66 is fixedly connected to one side of the casing 60, the motor casing 66 is communicated with the casing 60, and the motor 64 is mounted in the motor casing 66 through bolts.
One side of the motor casing 66, which is far away from the casing 60, is provided with an access hole, the access hole is provided with a cover plate 67 through bolts and nuts, and the cover plate 67 can be detached by screwing the nuts, so that the motor is convenient to overhaul and maintain.
The motor 64 and the gear 65 are separated by the baffle plate, the output shaft of the motor 64 passes through the baffle plate and is rotationally connected with the baffle plate through a bearing, and the baffle plate can prevent steam from directly entering into contact with the motor to avoid the motor from being heated; of course, a motor shell can be provided with a part of heat dispersing holes at the moment according to the requirement, and the heat dispersing holes are communicated with an inner cavity for installing the motor, so that the heat of the motor is conveniently dispersed; the heat dissipation holes are not communicated with the inside of the shell 60, so that steam is prevented from overflowing.
The first pressure transmitter 4 is installed at a position of the steam manifold 30 close to the MVR steam compressor, and the first pressure transmitter 4 is used for detecting the steam pressure in the steam manifold 30; a second pressure transmitter 5 for detecting the pressure of the steam in the steam branch pipe 31 is installed on each steam branch pipe 31, and the second pressure transmitter 5 is installed on the second section branch pipe of the steam branch pipe 31; the steam flow regulating device further comprises a controller, wherein the first pressure transmitter 4, the second pressure transmitter 5 and the motor are electrically connected to the controller, the controller can control and regulate the motor in each steam branch pipe to rotate according to the difference value of the pressure transmitters respectively installed on each steam branch pipe and the steam header pipe, the opening and closing angles of the arc fan-shaped blades in each steam flow regulating mechanism are driven, and finally the steam flow of each steam branch pipe is regulated; the steam flow of each steam branch pipe can be adjusted according to actual needs; the practicability of the device is greatly improved.
The driving mechanism can adjust the degree of driving the torsion ring to twist by the driving mechanism in each steam branch pipe according to the difference value of pressure transmitters respectively installed on each steam branch pipe and the steam main pipe.
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 (6)
1. The utility model provides a steam conduit branch pipe flow regulation device, includes steam header pipe (30) and connects a plurality of steam branch pipes (31) at steam header pipe (30) lateral wall, installs first pressure transmitter on the steam header pipe, installs second pressure transmitter on the steam branch pipe, its characterized in that: each steam branch pipe (31) is provided with a steam flow regulating mechanism, each steam flow regulating mechanism comprises a shell (60), an annular seat (61), a twisting ring (63) and a plurality of arc fan-shaped blades (62), each annular seat (61) is fixedly connected to the inner wall of the shell (60), each arc fan-shaped blade (62) surrounds one circle and is rotationally connected to the corresponding annular seat (61), each arc fan-shaped blade (62) is located between the corresponding annular seat (61) and the corresponding twisting ring (63), one side middle part of each arc fan-shaped blade (62) is fixedly connected with a convex column (620), each twisting ring (63) is provided with a plurality of arc grooves (630), and each convex column (620) is movably inserted into each arc groove (630), and each arc-shaped blade also comprises a driving mechanism for driving the twisting ring (63) to twist.
2. A steam pipe branch flow regulating device according to claim 1, wherein: the driving mechanism comprises a motor (64), a gear (65) and an arc-shaped rack (631), the arc-shaped rack (631) is fixedly connected to the circumferential side wall of the torsion ring (63), the gear (65) is arranged on the output shaft of the motor (64), and the gear (65) is meshed with the arc-shaped rack (631).
3. A steam pipe branch flow regulating device according to claim 1, wherein: the steam branch pipe (31) comprises two sections of branch pipes, and the shell (60) is used for connecting and communicating with the two sections of branch pipes; the diameter of the central through hole of the annular seat (61), the diameter of the central through hole of the torsion ring (63) and the inner diameter of the steam branch pipe (31) are equal.
4. A steam pipe branch flow regulating device according to claim 1, wherein: one side of casing (60) fixedly connected with motor casing (66), motor casing (66) and casing (60) intercommunication, motor (64) pass through the bolt and install in motor casing (66).
5. The steam pipe branch flow adjusting device according to claim 4, wherein: one side of the motor casing (66) far away from the casing (60) is provided with an access hole, and a cover plate (67) is arranged at the access hole through bolts and nuts.
6. A steam pipe branch flow regulating device according to claim 1, wherein: the novel steam generator further comprises an MVR steam compressor (1) and a plurality of evaporators (2), one end of a steam main pipe (30) is closed, the other end of the steam main pipe (30) is connected with a steam outlet of the MVR steam compressor (1), and one end of a steam branch pipe (31) far away from the steam main pipe (30) is connected with the evaporators (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321051561.5U CN219976164U (en) | 2023-05-05 | 2023-05-05 | Flow regulating device for branch pipe of steam pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321051561.5U CN219976164U (en) | 2023-05-05 | 2023-05-05 | Flow regulating device for branch pipe of steam pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219976164U true CN219976164U (en) | 2023-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321051561.5U Active CN219976164U (en) | 2023-05-05 | 2023-05-05 | Flow regulating device for branch pipe of steam pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219976164U (en) |
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2023
- 2023-05-05 CN CN202321051561.5U patent/CN219976164U/en active Active
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