CN210135595U - Variable cross-section flow guiding device - Google Patents
Variable cross-section flow guiding device Download PDFInfo
- Publication number
- CN210135595U CN210135595U CN201920928846.XU CN201920928846U CN210135595U CN 210135595 U CN210135595 U CN 210135595U CN 201920928846 U CN201920928846 U CN 201920928846U CN 210135595 U CN210135595 U CN 210135595U
- Authority
- CN
- China
- Prior art keywords
- motor
- lead screw
- variable cross
- section flow
- guide rods
- 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.)
- Expired - Fee Related
Links
- 239000002184 metal Substances 0.000 claims abstract description 8
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000003546 flue gas Substances 0.000 abstract description 15
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 13
- 230000001133 acceleration Effects 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Images
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a variable cross-section flow guiding device, which comprises a fixed bracket, a lead screw motor and a lead screw shaft are arranged on the fixed bracket, the upper end of the lead screw shaft is connected with the fixed bracket through a bearing seat, the lower end of the lead screw shaft is connected with the lead screw motor through a coupler, a fixed seat is fixedly arranged on the upper part of the lead screw, a flange nut is arranged below the fixed seat on the lead screw, the fixed seat and the flange nut are connected through ribs, a metal net-shaped umbrella surface is covered and arranged on the ribs, the lead screw motor is fixedly arranged in a shell, at least two guide rods are evenly distributed on the periphery of the lead screw, the lower ends of the guide rods are fixedly connected with the shell, the upper ends of the guide rods are fixedly connected with the fixed seat, the flange nut is sheathed on the guide rods, a rotating motor is arranged, this device simple structure, reasonable in design realizes the acceleration of flue gas through the flow cross sectional area who changes in the pipeline.
Description
Technical Field
The invention relates to a variable cross-section flow guide device.
Background
In the actual operation of a boiler or a sintering machine, the device of an owner is generally low-load, when the device is in low-load operation, the flow velocity of flue gas in a pipeline is too low to meet the requirement of no ash falling, and the flue gas of a supplementary circulation flue consumes more energy, so that the economic benefit is greatly reduced, and meanwhile, the energy conservation and the environmental protection are not enough. At present, no mature variable cross-section flow guide device is applied to an actual pipeline in the market, and a generally adopted smoke supplement device still consumes more energy.
Disclosure of Invention
The invention provides a variable cross-section flow guide device.
The invention adopts the scheme that the variable cross-section flow guide device comprises a fixed support, wherein a lead screw motor and a vertically arranged lead screw shaft are arranged on the fixed support, the upper end of the lead screw shaft is connected with the fixed support through a bearing seat, the lower end of the lead screw shaft is connected with the lead screw motor through a coupler for transmission, a fixed seat is fixedly arranged at the upper part of the lead screw, a flange nut which is in threaded fit with the fixed seat is arranged below the lead screw, the fixed seat and the flange nut are connected through umbrella ribs, and a metal net-shaped umbrella cover is covered on the umbrella ribs.
Further, the rib includes a plurality of skeleton units of circumference equipartition, and the skeleton unit includes stock, quarter butt, and the stock lower extreme is articulated with flange nut, and the quarter butt upper end is articulated with the fixing base, and the quarter butt lower extreme is articulated with the stock middle part, and the netted umbrella face of metal is installed on the stock.
Further, the screw motor is fixedly installed in the shell, at least two guide rods are uniformly distributed on the periphery of the screw, the lower ends of the guide rods are fixedly connected with the shell, the upper ends of the guide rods are fixedly connected with the fixed seat, and the flange nuts are sleeved on the guide rods and are in sliding fit with the guide rods.
Furthermore, a rotating motor is installed below the shell on the fixed support, the rotating motor is vertically arranged, an output shaft of the rotating motor is connected with the lower end of the transmission shaft through a coupler, and the upper end of the transmission shaft is fixedly connected with the shell.
Further, the fixed support comprises an upper support body and a lower support body, the upper end of the screw rod shaft is connected with the upper support body through a bearing seat, a motor support is installed on the lower portion of the lower support body, and the rotating motor is installed on the motor support.
Furthermore, a collecting ring used for connecting the rotating motor with an external power supply is sleeved on the transmission shaft, a lead of the rotating motor is connected with the collecting ring, the collecting ring is connected with an external power supply through the lead, and the collecting ring is fixedly installed on the lower frame body.
Further, the screw rod motor is a worm gear motor.
Further, the rotating motor is a direct current motor.
Furthermore, the upper frame body and the lower frame body have the same structure and comprise an inner base and an outer connecting ring which are coaxial, and the periphery of the inner base is connected with the outer connecting ring through a plurality of radial rods which are uniformly distributed on the circumference.
Compared with the prior art, the invention has the following beneficial effects: simple structure, reasonable in design realizes the acceleration of flue gas through the circulation cross sectional area who changes in the pipeline.
Drawings
The invention is further described with reference to the following figures.
FIG. 1 is a schematic structural view of the apparatus;
fig. 2 is a schematic view of the installation structure of the device.
In the figure: 1-a fixed seat; 2-umbrella ribs; 201-long rod; 202-short bar; 3, putting the frame body on the frame body; 4-flange nut; 5-a screw shaft; 6-a guide rod; 7-a screw motor; 8-a shell; 9-a collecting ring; 10-lower frame body; 11-a drive shaft; 12-a rotating electric machine; 13-a motor support; 14-a separator plate; 15-flue gas duct; 16-flue gas inlet.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1-2, a variable cross-section flow guiding device comprises a fixed support, a screw motor and a vertically arranged screw shaft are mounted on the fixed support, the upper end of the screw shaft is connected with the fixed support through a bearing seat, the lower end of the screw shaft is connected with the screw motor through a coupler for transmission, a fixed seat is fixedly mounted at the upper part of the screw shaft, a flange nut in threaded fit with the fixed seat is mounted below the fixed seat on the screw shaft, the fixed seat and the flange nut are connected through ribs, a metal mesh umbrella fabric is mounted on the ribs in a covering manner, the metal mesh umbrella fabric can be combined with an electrostatic dust removal technology, the device can change the opening and closing degree of the umbrella fabric according to actual needs, controllably adjusts the cross section of the whole pipeline, and an umbrella-shaped curved surface pressurizing.
In this embodiment, the rib includes a plurality of skeleton units of circumference equipartition, and the skeleton unit includes stock, quarter butt, and the stock lower extreme is articulated with flange nut, and the quarter butt upper end is articulated with the fixing base, and the quarter butt lower extreme is articulated with the stock middle part, and the netted umbrella face of metal is installed on the stock.
In this embodiment, the screw rod motor is fixedly installed in the housing, at least two guide rods are uniformly distributed on the periphery of the screw rod, the lower ends of the guide rods are fixedly connected with the housing (in a screwed manner or welded manner), the upper ends of the guide rods are fixedly connected with the fixed seat (in a screwed manner or locked by screws), and the flange nuts are sleeved on the guide rods and are in sliding fit with the guide rods.
In this embodiment, install the rotation motor in the casing below on the fixed bolster, the rotation motor is vertically put, and the output shaft of rotating the motor passes through the shaft coupling and connects the transmission shaft lower extreme, and the transmission shaft upper end is connected fixedly with the casing. Whole device is at the during operation, rotates the motor drive umbrella face and carries out low-speed rotation, makes the umbrella face more be difficult for the laying dust, prevents to pile up on the umbrella face in long-term operating condition flue gas.
In this embodiment, the fixed bracket includes an upper bracket body and a lower bracket body, the upper end of the screw shaft is connected with the upper bracket body through a bearing seat, a motor bracket is installed at the lower part of the lower bracket body, and the rotating motor is installed on the motor bracket.
In this embodiment, the transmission shaft is sleeved with a slip ring for connecting the rotating motor with an external power source, a lead of the rotating motor is connected with the slip ring, the slip ring is connected with an external power source through a lead, and the slip ring is fixedly installed on the lower frame body.
In this embodiment, the lead screw motor is a worm gear motor, and the problem that the umbrella cover is blown to close by too large flue gas flow rate is effectively prevented by utilizing the self-locking characteristic of the worm gear motor.
In this embodiment, the rotating motor is a dc motor.
In this embodiment, go up support body, lower support body structure the same, including inner base, the outer go-between with the axle center, the outer go-between is connected through the radial pole of a plurality of circumference equipartitions to inner base periphery, goes up support body, lower support body and installs the back in the pipeline, even fixes through screw and pipeline.
When in use, the device is arranged in a flue gas pipeline through a fixing frame; when the umbrella cover enters a low-load state, the flange nut is lifted to a set height through the preset starting time or a limit signal of the screw rod motor, the umbrella cover is opened to a set degree, the size of the through section area meets the requirement of flue gas acceleration, and then the rotating motor is started through the stepless speed regulation switch to drive the umbrella cover to rotate, so that the flue gas is prevented from being accumulated on the umbrella cover in a long-term working state; after the work is finished, the flange nut descends and resets by driving the screw rod motor to rotate reversely, and the umbrella cover returns to the initial closed state and position.
During the in-service use, can install this device at the entry end of flue gas pipeline to through installing the division board in casing top, separate device lower part drive unit and flue gas pipeline, only remain the work umbrella face in the pipeline that has the flue gas, not only avoided the umbrella face like this when the integral rotation, the worm gear motor rotates thereupon and to the influence that the flue gas velocity of flow caused, also played the dustproof guard action of separating the temperature to motor circuit simultaneously.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. Further, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Those not described in detail in this specification are within the skill of the art.
The above-mentioned preferred embodiments, further illustrating the objects, technical solutions and advantages of the present invention, should be understood that the above-mentioned are only preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a variable cross section guiding device, includes the fixed bolster, its characterized in that: the umbrella is characterized in that a lead screw motor and a vertically arranged lead screw shaft are mounted on the fixed support, the upper end of the lead screw shaft is connected with the fixed support through a bearing seat, the lower end of the lead screw shaft is connected with the lead screw motor through a coupler for transmission, a fixed seat is fixedly mounted at the upper part of the lead screw, a flange nut in threaded fit with the fixed seat is mounted below the fixed seat on the lead screw, the fixed seat and the flange nut are connected through umbrella ribs, and a metal net-shaped umbrella cover is mounted on the.
2. A variable cross-section flow guide device according to claim 1, wherein: the umbrella rib comprises a plurality of framework units which are uniformly distributed on the circumference, each framework unit comprises a long rod and a short rod, the lower end of each long rod is hinged to a flange nut, the upper end of each short rod is hinged to a fixing seat, the lower end of each short rod is hinged to the middle of each long rod, and the metal net-shaped umbrella cover is installed on each long rod.
3. A variable cross-section flow guide device according to claim 1, wherein: the screw rod motor is fixedly installed in the shell, at least two guide rods are uniformly distributed on the periphery of the screw rod, the lower ends of the guide rods are fixedly connected with the shell, the upper ends of the guide rods are fixedly connected with the fixed seat, and the flange nuts are sleeved on the guide rods and are in sliding fit with the guide rods.
4. A variable cross-section flow guide device according to claim 3, wherein: the rotary motor is installed below the shell on the fixed support, the rotary motor is vertically arranged, an output shaft of the rotary motor is connected with the lower end of the transmission shaft through a coupler, and the upper end of the transmission shaft is fixedly connected with the shell.
5. A variable cross-section flow guide device according to claim 4, wherein: the fixed support comprises an upper support body and a lower support body, the upper end of the screw rod shaft is connected with the upper support body through a bearing seat, a motor support is installed on the lower portion of the lower support body, and the rotating motor is installed on the motor support.
6. A variable cross-section flow guide device according to claim 5, wherein: the transmission shaft is sleeved with a collecting ring used for connecting the rotating motor with an external power supply, a lead of the rotating motor is connected with the collecting ring, the collecting ring is connected with the external power supply through the lead, and the collecting ring is fixedly arranged on the lower frame body.
7. A variable cross-section flow guide device according to claim 1, wherein: the screw motor is a worm gear motor.
8. A variable cross-section flow guide device according to claim 4, wherein: the rotating motor is a direct current motor.
9. A variable cross-section flow guide device according to claim 4, wherein: the upper frame body and the lower frame body have the same structure and comprise an inner base and an outer connecting ring which are coaxial, and the periphery of the inner base is connected with the outer connecting ring through a plurality of radial rods which are uniformly distributed on the circumference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920928846.XU CN210135595U (en) | 2019-06-20 | 2019-06-20 | Variable cross-section flow guiding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920928846.XU CN210135595U (en) | 2019-06-20 | 2019-06-20 | Variable cross-section flow guiding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210135595U true CN210135595U (en) | 2020-03-10 |
Family
ID=69707286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920928846.XU Expired - Fee Related CN210135595U (en) | 2019-06-20 | 2019-06-20 | Variable cross-section flow guiding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210135595U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160073A (en) * | 2019-06-20 | 2019-08-23 | 福州大学 | Variable cross-section diversion device and application method |
-
2019
- 2019-06-20 CN CN201920928846.XU patent/CN210135595U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160073A (en) * | 2019-06-20 | 2019-08-23 | 福州大学 | Variable cross-section diversion device and application method |
| CN110160073B (en) * | 2019-06-20 | 2024-02-06 | 福州大学 | Variable cross-section flow guiding device and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208707182U (en) | A kind of low voltage drawing-out switching carbinet with dust-proof fire-proof function | |
| CN210135595U (en) | Variable cross-section flow guiding device | |
| CN208845395U (en) | A kind of novel easy-to-mount heat transmission blower | |
| CN111921614B (en) | Raw material grinding device is used in new material processing of conveniently falling material | |
| CN211275831U (en) | Dust collector is used in cable material workshop | |
| CN207229430U (en) | Ventilation blower energy saving device for ventilation | |
| CN205977737U (en) | Domestic ball -type electric fan | |
| CN110160073B (en) | Variable cross-section flow guiding device and use method thereof | |
| CN213906064U (en) | Special switch board of photovoltaic power generation station | |
| CN206131224U (en) | Air condensing units organizes dust keeper | |
| CN108825539A (en) | A kind of bladeless fan with purification function | |
| CN213514278U (en) | Temperature-lowering type air inducing device beneficial to air circulation | |
| CN208686634U (en) | A kind of bladeless fan with purification function | |
| CN209335586U (en) | A kind of liftable force device machine table | |
| CN210141667U (en) | Structure improved cooling fan | |
| CN208824651U (en) | A kind of powdered lubricant crushing dust-extraction unit | |
| CN213761027U (en) | Low-voltage detachable electric gate of pulse dust collector | |
| CN208654376U (en) | It is a kind of being capable of the dust-proof fiber cable cross connection box of dedusting | |
| CN217721885U (en) | Electrical cabinet with heat dissipation structure for injection molding machine | |
| CN219248389U (en) | Dust filtering and ventilating device of communication machine room | |
| CN209414206U (en) | A kind of blower | |
| CN215500206U (en) | Dust-protection type computer network controlgear | |
| CN217364531U (en) | Tea fermentation pile-turning machine | |
| CN220875374U (en) | Ganoderma lucidum spore powder collector | |
| CN109867152A (en) | A kind of automatic charging device having dust collection function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200310 |