CN110124462A - A kind of variable cross section guiding device - Google Patents
A kind of variable cross section guiding device Download PDFInfo
- Publication number
- CN110124462A CN110124462A CN201910469537.5A CN201910469537A CN110124462A CN 110124462 A CN110124462 A CN 110124462A CN 201910469537 A CN201910469537 A CN 201910469537A CN 110124462 A CN110124462 A CN 110124462A
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- China
- Prior art keywords
- pipe
- outer shell
- fluorine rubber
- drawstring
- shell barrel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of variable cross section guiding devices, it includes outer shell barrel, fluorine rubber-pipe and rope hauling device, fluorine rubber-pipe is coaxially placed in outer shell barrel, and two pipe ends of fluorine rubber-pipe are overlapped fixation with the both ends of outer shell barrel, at least a pair of of deflecting guide groove is installed on the inner wall of outer shell barrel, outlet hole is offered on the barrel of outer shell barrel, rope hauling device includes a drawstring, drawstring is wound in the middle part of the outer surface of fluorine rubber-pipe and forms rope sling, and the two ends of drawstring respectively respectively draw after the deflecting guide groove of side from outlet hole and be connected to outside outer shell barrel by pile warp, it is tightened by pulling the drawstring two ends outside outer shell barrel to make to be wrapped in rope sling on fluorine rubber-pipe, fluorine rubber-pipe is driven to narrow to middle part, water conservancy diversion cross section becomes smaller, after unclamping drawstring two ends, fluorine rubber-pipe, which can reset, to be strutted, water conservancy diversion cross section recovery becomes larger, to realize the variable cross-section process of the guiding device.It has the following advantages: realizing the variation of water conservancy diversion cross section in flue, prevent flue from falling ash, structure is simple, easy to maintain.
Description
Technical field
The present invention relates to a kind of variable cross section guiding devices.
Background technique
In boiler or sintering machine actual motion, load can be changed according to external condition (such as when economic depression, meeting
Underrun, can oepration at full load when Economic Climate), when oepration at full load, dry desulfurization absorbing tower bottom velocity is able to satisfy
Grey requirement is not fallen, without mending flue gas;And in underrun, absorb the bottom of the tower flow velocity is lower, and cycle flue need to mend flue gas extremely
Absorb the bottom of the tower guarantees that higher do not generate of tower bottom flow velocity falls grey phenomenon, but the flue gas for mending cycle flue compares energy consumption, stands in industry
Main angle, their device is underload, and 75% or more load operation of subsequent desulfurizer basic need, compares consumption
Energy.
By inquiry, the flue diameter in application is from a meter Zhi San meters at present, diameter etc., but gas flow rate is big in flue
Many places are between 3m/s-4.5m/s.Such as to prevent dust from falling after rise, gas velocity will at least increase to 5.5m/s in flue.
According to gas flow rate equation: flow=flow velocity * sectional area, to make gas flow rate increase to 5.5m/s, section face
Product will reduce original 54.5%.
For this point, consider that a kind of guiding device of variable cross section is arranged in tower bottom, when boiler or sintering machine underload are transported
When row, original tower bottom section can be reduced by adjusting guiding device, to achieve the purpose that speed-raising without falling showing for ash
As.
Summary of the invention
The present invention provides a kind of variable cross section guiding device, which overcome the prior arts described in background technology not
Foot.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of variable cross section guiding device, it includes columnar outer shell barrel, fluorine rubber-pipe flexible and rope hauling device, the fluorine
Rubber tube is coaxially placed in outer shell barrel, and two pipe ends of fluorine rubber-pipe are overlapped fixation with the both ends of outer shell barrel, the outer shell barrel it is interior
At least a pair of of deflecting guide groove is installed on wall, this to deflecting guide groove outer shell barrel inner wall to respectively setting one in side direction, this is outer
Outlet hole is offered on the barrel of thimble, which includes a drawstring, which is wound in the outer surface of the fluorine rubber-pipe
Middle part simultaneously forms rope sling, and the two ends of drawstring respectively respectively draw after the deflecting guide groove of side from outlet hole and be connected to outer shell barrel by pile warp
Outside, it is tightened by pulling the drawstring two ends outside outer shell barrel to make to be wrapped in rope sling on fluorine rubber-pipe, drives fluorine rubber-pipe to middle part
It narrowing, water conservancy diversion cross section becomes smaller, and after unclamping drawstring two ends, fluorine rubber-pipe can reset again to be strutted, and water conservancy diversion cross section recovery becomes larger, thus
Realize the variable cross-section process of the guiding device.
Among one embodiment: the rope hauling device further includes a catapult coil, which encircles in the outer of fluorine rubber-pipe
Surface middle part, the drawstring by passing around the catapult coil to wind fluorine rubber-pipe and forming rope sling, and the two ends of the drawstring from
Draw after being pulled out in the catapult coil and is connected to deflecting guide groove.
Among one embodiment: pin configuration being installed at the outlet hole of the outer shell barrel, offers lead in the pin configuration
The both ends of through-hole, the drawstring are pierced by using the lead hole of the pin configuration to outside outer shell barrel after outlet hole is pierced by.
Among one embodiment: the deflecting guide groove is the through slot of arc trend, and notch is walked backwards to the arc of the deflecting guide groove
To parallel with outer shell barrel inner wall.
The technical program compared with the background art, it has the following advantages:
1, the present apparatus is installed in flue, makes fluorine rubber-pipe of the air-flow Jing Guo the present apparatus in flue, it is outer by pulling
Drawstring two ends outside thimble make to be wrapped in rope sling on fluorine rubber-pipe and tighten, and drive fluorine rubber-pipe to narrow to middle part, water conservancy diversion cross section
Become smaller, after unclamping drawstring two ends, fluorine rubber-pipe can reset again to be strutted, and water conservancy diversion cross section recovery becomes larger, to realize that the water conservancy diversion fills
The variable cross-section process set, i.e., the variation of water conservancy diversion cross section can pass through when boiler or sintering machine underrun in realization flue
Guiding device is adjusted, original tower bottom water conservancy diversion cross section is reduced, to achieve the purpose that phenomenon of the gas flow speeding without falling ash.
2, present apparatus structure is simple, and without excessive piston, the accurate devices such as bearing are more suitable in chemical environment complexity,
It is used at the equipment such as the big boiler of Dust Capacity, desulfurizing tower flue.
3, this product uses fluorine rubber-pipe, and inner surface is smooth, and area of section is shunk uniformly, is not easy dust stratification or is corroded,
It is easy to maintenance, it is at low cost.
4, it is convenient to operate, and need to only adjust the tensile elongation of drawstring, i.e., adjustable flue inner section area.
5, it can be widely used in the flue of the devices such as desulfurizing tower, boiler, other opposite variable cross-section mode costs are lower, prevent
The only excellent effect that flue dust is fallen after rise, it is possible to increase the production efficiency of the equipment such as boiler or desulfurizing tower extends the flue service life, increases
Factory's benefit.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is one of the overall schematic of variable cross section guiding device.
Fig. 2 is the two of the overall schematic of variable cross section guiding device.
Fig. 3 is the overall perspective of variable cross section guiding device.
Fig. 4 is one of partial structure diagram of variable cross section guiding device (not having fluorine rubber-pipe, pin configuration).
Fig. 5 is two (not having fluorine rubber-pipe, pin configuration) of the partial structure diagram of variable cross section guiding device.
Fig. 6 is state diagram of the fluorine rubber-pipe when drawstring is tightened.
Fig. 7 is scheme of installation of the variable cross section guiding device in flue.
Specific embodiment
Fig. 1 to Fig. 6 is please referred to, a kind of variable cross section guiding device 100, it includes columnar outer shell barrel 10, fluorine flexible
Rubber tube 20 and rope hauling device, the fluorine rubber-pipe 20 are coaxially placed in outer shell barrel 10, and two pipe ends and shell of fluorine rubber-pipe 20
The both ends of cylinder 10, which are overlapped, to be fixed, and has clearance space, the shell between 10 inner wall of outer surface and outer shell barrel of the fluorine rubber-pipe 20
At least a pair of of deflecting guide groove 30 is installed on the inner wall of cylinder 10, this to deflecting guide groove 30 outer shell barrel 10 inner wall in side direction
One is respectively set, outlet hole 11 is offered on the barrel of the outer shell barrel 10, which includes a drawstring 40, the drawstring 40 winding
In the middle part of the outer surface of the fluorine rubber-pipe 20 and form rope sling, and the deflecting guide groove of the respective side of the two ends difference pile warp of drawstring 40
Draw after 30 from outlet hole 11 and is connected to outside outer shell barrel 10.Preferably, which is circular cylinder.
The rope hauling device further includes a catapult coil (not shown), the spiral of the shape similar plastics of the catapult coil
Beam hair rope, the catapult coil have certain elasticity, which encircles in the middle part of the outer surface in fluorine rubber-pipe 20, the drawstring
40 by passing around the catapult coil to wind fluorine rubber-pipe 20 and forming rope sling, i.e., the drawstring 40 is passed around in the catapult coil
, and the both ends of the drawstring 40 draw after pulling out in the catapult coil and are connected to deflecting guide groove 30.Drawstring can be made using catapult coil
40 are more steadily wrapped in the middle part of fluorine rubber-pipe 20, and can be when drawstring 40 is tightened, and fluorine rubber-pipe 20 is in all directions
Tightening degree is more uniform.
Pin configuration 50 is installed at the outlet hole 11 of the outer shell barrel 10, offers lead hole in the pin configuration 50
51, the two ends of the drawstring 40 are pierced by using the lead hole 51 of the pin configuration 50 to outer shell barrel after outlet hole 11 is pierced by
Outside 10.The specific structure of the pin configuration 50 is adaptively adjusted according to the actual situation, and the purpose of the pin configuration 50 is to change
Become the outlet direction of 40 two ends of drawstring.
The deflecting guide groove 30 is the through slot of arc trend, and the arc trend and 10 inner wall of outer shell barrel of the deflecting guide groove 30 are flat
Row.
Please refer to Fig. 7, the present apparatus is connected directly between on flue, outer shell barrel 10 be 100 mass of bogey and with flue 200
The component being directly connected to, since working environment has corrosivity, to guarantee device normal operation and its service life, the material of outer shell barrel 10
Matter selects carbon steel identical with flue material or glass reinforced plastic can be in outer shell barrel to further increase the corrosion resistance of outer shell barrel
10 outer wall brushing flue gas anticorrosive paints.
Fluorine rubber-pipe 20 is the unique part with smoke contacts in flue, and shape is straight barrel type under softened state, due to
Smoke contacts, necessary corrosion-resistant, the high temperature resistant of component with smoke contacts, and its elasticity is kept at high operating temperatures.Fluorubber
It is remained to excellent heat resistance, inoxidizability, oil resistivity, corrosion resistance and resistance to weathering, and at high operating temperatures
Keep good elasticity and leakproofness.Wherein 23 type fluorubber elongations are 200%~600%, and tearing toughness is in 2~7MPa
Between, impregnating its volume expansion in 27 days in 98% HNO3 at room temperature is only 13%~15%.
When the present apparatus 100 operates, by pulling 40 two ends of drawstring outside outer shell barrel 10 to make to be wrapped on fluorine rubber-pipe 20
Rope sling tightening, drives fluorine rubber-pipe 20 to narrow to middle part, and water conservancy diversion cross section becomes smaller, and after unclamping drawstring two ends, fluorine rubber-pipe 20 is again
It can reset and strut, water conservancy diversion cross section recovery becomes larger, thus realize the variable cross-section process of the device 100, the receipts of 40 two ends of drawstring
Putting can also be realized by automatic control technology and be automatically brought into operation to 40 two ends of drawstring by manual operation or motor operation,
To realize the automatic control to flue cross section.
The above is only the preferred embodiment of the present invention, the range implemented of the present invention that therefore, it cannot be limited according to, i.e., according to
Equivalent changes and modifications made by the invention patent range and description, should still be within the scope of the present invention.
Claims (4)
1. a kind of variable cross section guiding device, it is characterised in that: filled including columnar outer shell barrel, fluorine rubber-pipe flexible and drawstring
It sets, which is coaxially placed in outer shell barrel, and two pipe ends of fluorine rubber-pipe are overlapped fixation with the both ends of outer shell barrel, the shell
At least a pair of of deflecting guide groove is installed on the inner wall of cylinder, this to deflecting guide groove outer shell barrel inner wall to respectively setting one in side direction
It is a, outlet hole is offered on the barrel of the outer shell barrel, which includes a drawstring, which is wound in the fluorine rubber-pipe
Simultaneously form rope sling in the middle part of outer surface, and the two ends of drawstring respectively pile warp respectively draw after the deflecting guide groove of side from outlet hole be connected to it is outer
Outside thimble, tightened by pulling the drawstring two ends outside outer shell barrel to make to be wrapped on fluorine rubber-pipe rope sling, drive fluorine rubber-pipe to
Middle part is narrowed, and water conservancy diversion cross section becomes smaller, and after unclamping drawstring two ends, fluorine rubber-pipe can reset again to be strutted, and water conservancy diversion cross section recovery becomes larger,
To realize the variable cross-section process of the guiding device.
2. a kind of variable cross section guiding device according to claim 1, it is characterised in that: the rope hauling device further includes a bullet
Archwire circle, the catapult coil are encircled in the middle part of the outer surface of fluorine rubber-pipe, which winds fluorine by passing around the catapult coil
Rubber tube simultaneously forms rope sling, and the both ends of the drawstring draw after pulling out in the catapult coil and are connected to deflecting guide groove.
3. a kind of variable cross section guiding device according to claim 1, it is characterised in that: pacify at the outlet hole of the outer shell barrel
Equipped with pin configuration, lead hole is offered in the pin configuration, the two ends of the drawstring are after outlet hole is pierced by using this
The lead hole of pin configuration is pierced by outside outer shell barrel.
4. a kind of variable cross section guiding device according to claim 1, it is characterised in that: the deflecting guide groove is that an arc is walked
To through slot, notch backwards to the deflecting guide groove arc trend it is parallel with outer shell barrel inner wall.
Priority Applications (1)
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CN201910469537.5A CN110124462A (en) | 2019-05-31 | 2019-05-31 | A kind of variable cross section guiding device |
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CN201910469537.5A CN110124462A (en) | 2019-05-31 | 2019-05-31 | A kind of variable cross section guiding device |
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CN110124462A true CN110124462A (en) | 2019-08-16 |
Family
ID=67583247
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CN201910469537.5A Pending CN110124462A (en) | 2019-05-31 | 2019-05-31 | A kind of variable cross section guiding device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110514389A (en) * | 2019-09-30 | 2019-11-29 | 西南科技大学 | A kind of hole wall porosity of wind tunnel test is continuously adjusted device and experimental method |
CN110686850A (en) * | 2019-09-30 | 2020-01-14 | 中国空气动力研究与发展中心高速空气动力研究所 | Test device and test method for continuously adjusting opening-closing ratio of transonic test section |
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EP0743480B1 (en) * | 1995-05-18 | 2000-03-08 | HYDAC Befestigungstechnik GmbH | Clamp having holding- and supporting band |
JP2000241010A (en) * | 1999-02-24 | 2000-09-08 | Taikisha Ltd | Flexible duct with air volume regulating mechanism and air conditioner facility using it |
FR2883952A1 (en) * | 2005-03-30 | 2006-10-06 | Trelleborg Fluid & Acoustic Solutions Tfas | Rapid pipe connection, e.g. for air supply systems in supercharged car engines, comprises a male union, a gasket and a female union which is made in one piece with the associated fluid pipe as a monolithic body |
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CN205937962U (en) * | 2016-08-30 | 2017-02-08 | 威海市海王旋流器有限公司 | Adjustment valve |
CN206911128U (en) * | 2017-04-20 | 2018-01-23 | 华电电力科学研究院 | A kind of ash handling equipment for preventing underload denitrating flue gas entrance horizontal flue dust stratification from blocking |
CN208186397U (en) * | 2018-04-27 | 2018-12-04 | 天津恩纳社环保有限公司 | Smoke gas collecting apparatus is adjusted in the outstanding even formula of one kind |
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EP0743480B1 (en) * | 1995-05-18 | 2000-03-08 | HYDAC Befestigungstechnik GmbH | Clamp having holding- and supporting band |
JP2000241010A (en) * | 1999-02-24 | 2000-09-08 | Taikisha Ltd | Flexible duct with air volume regulating mechanism and air conditioner facility using it |
FR2883952A1 (en) * | 2005-03-30 | 2006-10-06 | Trelleborg Fluid & Acoustic Solutions Tfas | Rapid pipe connection, e.g. for air supply systems in supercharged car engines, comprises a male union, a gasket and a female union which is made in one piece with the associated fluid pipe as a monolithic body |
CN203024601U (en) * | 2012-11-05 | 2013-06-26 | 江阴达源环保设备有限公司 | Fire-proof air-regulating pipeline |
CN105090583A (en) * | 2015-08-21 | 2015-11-25 | 重庆市龙佰绪生态农业开发有限公司 | Water pipe connecting valve |
CN205937962U (en) * | 2016-08-30 | 2017-02-08 | 威海市海王旋流器有限公司 | Adjustment valve |
CN206911128U (en) * | 2017-04-20 | 2018-01-23 | 华电电力科学研究院 | A kind of ash handling equipment for preventing underload denitrating flue gas entrance horizontal flue dust stratification from blocking |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110514389A (en) * | 2019-09-30 | 2019-11-29 | 西南科技大学 | A kind of hole wall porosity of wind tunnel test is continuously adjusted device and experimental method |
CN110686850A (en) * | 2019-09-30 | 2020-01-14 | 中国空气动力研究与发展中心高速空气动力研究所 | Test device and test method for continuously adjusting opening-closing ratio of transonic test section |
CN110514389B (en) * | 2019-09-30 | 2020-11-24 | 西南科技大学 | Hole wall opening-closing ratio continuously adjustable device for wind tunnel test and test method |
CN110686850B (en) * | 2019-09-30 | 2021-07-27 | 中国空气动力研究与发展中心高速空气动力研究所 | Test device and test method for continuously adjusting opening-closing ratio of transonic test section |
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Application publication date: 20190816 |