CN204119002U - Vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) - Google Patents

Vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) Download PDF

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Publication number
CN204119002U
CN204119002U CN201420198960.9U CN201420198960U CN204119002U CN 204119002 U CN204119002 U CN 204119002U CN 201420198960 U CN201420198960 U CN 201420198960U CN 204119002 U CN204119002 U CN 204119002U
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trt
shedder
vortex
upper plate
rods
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李树浩
宋东兴
朱晓涵
金俊伟
陈亚炜
谭馨
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Abstract

A kind of vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT), it comprises body and strutting piece, described body comprises lower shoe, guide rail, cylinder shedder, leading-off rods, spring, guide rod, permanent magnet, coil windings and upper plate, the both sides of described upper plate and lower shoe are fixed with two guide rails respectively, laterally be provided with cylinder shedder between two side rails, the two ends of described cylinder shedder are connected to outward extending leading-off rods between guide rail; The external part of each described leading-off rods is connected with the guide rod longitudinally upwards extended, and described upper plate is run through in each described guide rod upper end, and the upper surface of described upper plate is provided with the coil windings run through for described guide rod; Described guide rod is provided with the hollow stem of permanent magnet in being; Between leading-off rods and upper plate, be provided with spring, thus, the utility model structure is simple, not only solving the powerup issue of Detection System for Bridge, can also avoiding because using chemical cell pollution on the environment.

Description

Vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT)
Technical field
The utility model relates to the technical field of stream generating device, particularly relates to a kind of current vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) being applied to the continuous power supply of Detection System for Bridge.
Background technology
Along with the development of China's communication, bridge volume of traffic rapid growth, requires more and more higher to the detectability of bridge.Current Bridge Testing Equipment mainly uses powered battery, such as dynamic strain indicator, but this supply power mode exist perishable, change difficulty, shortcoming such as harm environment etc.The more important thing is, battery electric quantity is once exhaust and do not change in time, and detection system cannot normally work, and this brings very large obstacle to undoubtedly the application of bridge monitoring device.
For this reason, designer of the present utility model is because above-mentioned defect, and by concentrating on studies and designing, research and design goes out a kind of water flow power generator being applied to the continuous power supply of Detection System for Bridge, to overcome above-mentioned defect.
Summary of the invention
The purpose of this utility model is to provide a kind of current vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) being applied to Detection System for Bridge, its structure is simple, clean energy resource can be provided to structures such as Detection System for Bridges, environmental-protecting performance is better, improve the isostructural stability of Detection System for Bridge, also avoid that tradition power supply exists perishable, change difficulty, shortcoming such as harm environment etc.
For achieving the above object, the utility model discloses a kind of vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT), it comprises body and strutting piece, and described body is installed on bridge by strutting piece, it is characterized in that:
Described body comprises lower shoe, guide rail, cylinder shedder, leading-off rods, spring, guide rod, permanent magnet, coil windings and upper plate, the both sides of described upper plate and lower shoe are fixed with two guide rails respectively, laterally be provided with cylinder shedder between two side rails, the two ends of described cylinder shedder are connected to outward extending leading-off rods between guide rail;
The external part of each described leading-off rods is connected with the guide rod longitudinally upwards extended, and described leading-off rods is fixed in the lower end of each described guide rod, and described upper plate is run through in upper end, and the upper surface of described upper plate is provided with two respectively for the coil windings that described guide rod runs through;
Described guide rod is provided with the hollow stem of permanent magnet in being;
The spring that elastic-restoring force is provided is provided with between each described leading-off rods and upper plate.
Wherein: described base is interval with tripod and lower tripod, described body is fixed between tripod and lower tripod; Described lower shoe is fixed on lower tripod, and described upper plate is fixed on tripod.
Wherein: described lower shoe, guide rail, cylinder shedder, leading-off rods, spring, guide rod, permanent magnet and upper plate are made up of stainless steel, and all at surface-coated organic oil enamelled coating.
Wherein: described coil windings is also connected with rectification circuit.
Wherein: the two ends of described spring are fixed on upper plate and leading-off rods respectively by stainless steel substrates.
Wherein: described spring is positioned at the inner side of guide rail.
Wherein: the material of this permanent magnet is NdFe40SH.
Wherein: the length of described cylinder shedder is 1m, and diameter is 0.06m.
By said structure, the utility model has following technique effect:
1, structure is simple, easy for installation, and it is convenient to safeguard, cost is lower, applied range;
2, do not need the devices such as gear drive, directly use connecting rod is by cylindrical reciprocating motion state transfer to permanent magnet, improves capacity usage ratio;
3, be bridge safety supervision system power supply nearby, solve the cisco unity malfunction because battery-powered is interrupted that monitoring system may exist, cause bridge safety supervision to there is the problem of hidden danger;
4, adopt water can be the power resources of Detection System for Bridge, adopt vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) to meet the policy requirements of national energy-saving reduction of discharging completely as power supply source, while environmental protection again.
The utility model will be further described in detail by the following specific embodiments, and will be more apparent and obvious to understand further combined with the description of the drawings.
accompanying drawing explanation
Fig. 1 shows the end view of the utility model strutting piece.
Fig. 2 shows the front view of the utility model strutting piece.
Fig. 3 shows the front view of the utility model body.
Fig. 4 shows the end view of the utility model body.
Reference numeral:
101, body; 102, base; 103, upper tripod; 104, lower tripod; 1, lower shoe; 2, guide rail; 3, cylinder shedder; 4, leading-off rods; 5, spring; 6, guide rod; 7, permanent magnet; 8, coil windings; 9, upper plate.
Embodiment
See Fig. 1-4, show the concrete structure of vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) of the present utility model, it comprises body 101 and strutting piece, and described body 101 is installed in the structure of the bridges such as bridge pier by strutting piece.
Wherein, described strutting piece comprises structural bases 102 such as being fixed on bridge pier, and described base 102 is interval with tripod 103 and lower tripod 104, described body 101 is fixed between tripod 103 and lower tripod 104.
See Fig. 3 and Fig. 4, described body comprises lower shoe 1, guide rail 2, cylinder shedder 3, leading-off rods 4, spring 5, guide rod 6, permanent magnet 7, coil windings 8 and upper plate 9, described lower shoe 1 is fixed on lower tripod 104, described upper plate 9 is fixed on tripod 103, by the robust support of tripod, effectively can improve the stable support of device, avoid the vibration of main body itself, improve service behaviour.
The both sides of described upper plate 9 and lower shoe 1 are fixed with two guide rails 2 respectively, four guide rails 2 altogether, described guide rail 2 is by being fixedly welded between upper plate 9 and lower shoe 1, laterally cylinder shedder 3 is provided with between two side rails 2, the two ends of described cylinder shedder 3 are connected to outward extending leading-off rods 4 between guide rail 2, thus, cylinder shedder 3 slides up and down between guide rail 2 by two ends leading-off rods 4.
The external part of each described leading-off rods 4 is connected with the guide rod 6 longitudinally upwards extended, described leading-off rods 4 is fixed in the lower end of each described guide rod 6, described upper plate 9 is run through in upper end, and the upper surface of described upper plate 9 is provided with two respectively for the coil windings 8 that described guide rod 6 runs through, described guide rod 6 is hollow stem, is provided with permanent magnet 7 in its hollow stem, thus, when cylinder shedder 3 slides up and down, permanent magnet 7 coil windings 8 in guide rod 6 moves up and down, and realizes generating.
Wherein, in order to realize vibration, between each described leading-off rods 4 and upper plate 9, spring 5 is provided with, to provide elastic-restoring force.
Wherein, described lower shoe 1, guide rail 2, cylinder shedder 3, leading-off rods 4, spring 5, guide rod 6, permanent magnet 7 and upper plate 9 are made up of stainless steel, and at surface-coated organic oil enamelled coating, thus be positioned at below the water surface at this device, avoid being immersed in the problem that will inevitably occur the aspects such as oxide etch in natural water body for a long time, therefore, the resistance to oxidation corrosive power of device significantly strengthens, and safe operating life extends.
Wherein, described coil windings 8 also can be connected with rectification circuit.
Wherein, the two ends of described spring 5 are fixed on upper bed-plate 9 and leading-off rods 4 respectively by stainless steel substrates, and optionally, described spring 5 can be positioned at the inner side (namely shown in Fig. 3) of guide rail 2, also can be positioned at outside and other suitable position.
Wherein, the material of this permanent magnet 7 is NdFe40SH.
Introduce the embody rule of this device below, carrying out normal work period, be subject to the impact of the uncertain factor such as water impact and water surface wave from front, vibration will be produced, this directly affects fail safe and the service behaviour of device, and leg-of-mutton bracing frame be fixed in bridge pier fluoran stream surface, and then the base plate of handle assembly and triangular support bracket are fixed together, the vibration of reducer, improves its service behaviour.
In specifically arranging, also need to arrange waterproof case at the interface joining part at winding coil, be namely wrapped with mackintosh at interface, waterproof effect is better.
Preferably, only have the natural frequency of vibration of device and the whirlpool lift-off frequency of cylinder shedder both sides close to time, just there will be stable vibration phenomenon, this timer could normal work.The reference formula of device parameter setting is shown in formula 1, works as V rduring for 4.0--9.0, just can lock, i.e. stable vibration.Consider the maximum stress value that the impulsive force of resistance suffered by device and water must be less than device and can bear, therefore in general design, vibration frequency should be made to be about 2Hz.
Preferably, cylinder shedder length directly affect cylinder shedder fluoran stream surface amass, under identical energy conversion efficiency, answer flow area and energy output proportional, therefore, under the constitutionally stable prerequisite of assurance device, cylinder shedder length should be increased as far as possible.Considering that device is fixed on bridge pier, is assurance device fixed effect, and does not affect and navigate, can be preferably cylinder shedder length to equal bridge pier width, although do not show in the accompanying drawings, but those skilled in the art can understand and implement.
Preferably, this device is the flowing being hindered fluid by cylinder shedder in essence, and the energy of flow is converted into cylinder shedder itself vibrates and then generating, and therefore, cylinder shedder surface damp is the key factor affecting energy conversion efficiency.Have radial extension slot on cylinder shedder surface and/or damping rubber layer is set and effectively can increase energy output.
By the utility model, following advantage can be realized:
1, apparatus structure is simple, not fragile; Eliminate general hydroelectric great number of driving gear, simplified structure, reduce transmission link, improve generating efficiency.
2, bridge place needs to carry out safety monitoring, navigation channel illumination at night etc., and this clean energy resource directly utilizes, and both can avoid grid-connected loss, can save again the existing energy, reaches effects of energy saving and emission reduction.
For Xiang River, Xiang River flow rate of water flow winter is 0.5m/s, and summer is 1m/s.Being averaged flow velocity is that 0.8m/s designs, and model parameter and actual condition are adapted.
When fluid walks around cylinder shedder, will be separated, thus form wake zone after structure, and vortex periodically occurs from Blast Furnace Top Gas Recovery Turbine Unit (TRT) both sides under certain condition to release phenomenon.For elastic cylinder shedder, when the natural frequency of frequency close to Blast Furnace Top Gas Recovery Turbine Unit (TRT) is let out in whirlpool the process of releasing of vortex control by the vibration of Blast Furnace Top Gas Recovery Turbine Unit (TRT), and vortex is released and the vibration of Blast Furnace Top Gas Recovery Turbine Unit (TRT) has identical frequency, thus produces vortex-induced vibration.The amplitude of vortex-induced vibration is by dimensionless group specific speed V rcontrol, generally in current, work as V rduring for 4.0--9.0, the locking phenomena of occurrence frequency.When vibration is stablized, system vibrational frequency f is about natural frequency of structures f ns, amplitude A is about the twice of shedder equivalent diameter D.
V r = V f ns × D Formula 1
In formula: V r---system dimensionless specific speed;
V---fluid-flow rate, m/s;
F ns---do not consider the natural frequency of structures of attached fluid mass, Hz;
D---shedder equivalent diameter, m.
f ns = 1 2 π × K s m Formula 2
In formula: f ns---do not consider the natural frequency of structures of attached fluid mass, Hz;
K s---the elastic coefficient, N/m;
M---shedder and other oscillating component gross masses, kg.
Consider the job stability under actual condition and adaptability, therefore control system vibration frequency is about 2Hz, amplitude is 0.12m, shedder 1 diameter is selected to be 0.06m, length is 1m, the quality of shedder, connecting rod and permanent magnet and be 9.5kg, and the coefficient of elasticity of spring is 1500N/m.
Utilize the vibration of this shedder to drive permanent magnet to do linear reciprocating motion, according to Faraday's electromagnetic induction law, the relative position of permanent magnet and winding during motion, can be changed, cause the change of the magnetic flux through winding, thus produce alternation induced electromotive force.This Blast Furnace Top Gas Recovery Turbine Unit (TRT) relies on shedder be the reciprocating motion of sinusoidal rule and produce sinusoidal ac, and therefore induced electromotive force is:
e = Blv m cos wt = 2 E cos wt Formula 3
V in formula m---the amplitude of mover movement velocity, m/s;
E---be the effective value of electromotive force, V;
W---angular frequency, rad/s.
Existing correlative study provides, when selecting the parameter such as winding, permanent magnet and actual condition to adapt, in shedder oscillating region, namely in the square-section of L*4D carry out the energy of flow and this model is drawn and the electric energy transformed out exists certain proportionate relationship:
Energy transformation ratio is approximately following formula:
P = 0.103 × ρV 3 2 × 4 D × L Formula 4
P in formula---Blast Furnace Top Gas Recovery Turbine Unit (TRT) peak power output, W;
ρ---moving fluid density, kg/m 3;
V---fluid-flow rate, m/s;
Through on-the-spot investigation, Xiang River Orange Islet section cross section mean flow rate u=0.8m/s.In specific design, can be set to: shedder length L=1m, shedder diameter D=0.06m, thus, can obtain each device energy output is:
P = 0.103 × 1000 × 0.8 3 2 × 4 × 0.06 × 1 = 6.33 w
For Xiang River Orange Islet bridge, can have 12 with the bridge pier of this device that fixes, each bridge pier in the vertical direction can fix 5 Blast Furnace Top Gas Recovery Turbine Unit (TRT), amounts to 60.Total power P is:
P＝6.33×60＝0.38kW
It is evident that, above description and record be only citing instead of in order to limit disclosure of the present utility model, application or use.Although described in an embodiment and be described in the drawings embodiment, but the utility model do not limit by accompanying drawing example and describe in an embodiment as the optimal mode thought at present to implement the specific examples of instruction of the present utility model, scope of the present utility model will comprise any embodiment of specification and the appended claim fallen into above.

Claims (9)

1. a vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT), it comprises body and strutting piece, and described body is installed on bridge by strutting piece, it is characterized in that:
Described body comprises lower shoe, guide rail, cylinder shedder, leading-off rods, spring, guide rod, permanent magnet, coil windings and upper plate, the both sides of described upper plate and lower shoe are fixed with two guide rails respectively, laterally be provided with cylinder shedder between two side rails, the two ends of described cylinder shedder are connected to outward extending leading-off rods between guide rail;
The external part of each described leading-off rods is connected with the guide rod longitudinally upwards extended, and described leading-off rods is fixed in the lower end of each described guide rod, and described upper plate is run through in upper end, and the upper surface of described upper plate is provided with two respectively for the coil windings that described guide rod runs through;
Described guide rod is provided with the hollow stem of permanent magnet in being;
The spring that elastic-restoring force is provided is provided with between each described leading-off rods and upper plate.
2. vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, is characterized in that; The base of this strutting piece is interval with tripod and lower tripod, described body is fixed between tripod and lower tripod; Described lower shoe is fixed on lower tripod, and described upper plate is fixed on tripod.
3. vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, is characterized in that; The lower shoe of this body, guide rail, cylinder shedder, leading-off rods, spring, guide rod, permanent magnet and upper plate are made up of stainless steel, and all at surface-coated organic oil enamelled coating.
4. vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, is characterized in that; The coil windings of this body is also connected with rectification circuit.
5. vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, is characterized in that; The both ends of the spring of this body is fixed on upper bed-plate and leading-off rods respectively by stainless steel substrates.
6. vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, is characterized in that; The spring of this body is positioned at the inner side of guide rail.
7. vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, is characterized in that; The material of the permanent magnet of this body is NdFe40SH.
8. vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, is characterized in that; The cylinder shedder length of this body is 1m, and diameter is 0.06m.
9. vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) according to claim 1, is characterized in that; The cylinder shedder surface of this body has radial extension slot and/or arranges damping rubber layer.
CN201420198960.9U 2014-04-23 2014-04-23 Vortex magneto-electric Blast Furnace Top Gas Recovery Turbine Unit (TRT) Expired - Fee Related CN204119002U (en)

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CN104811009A (en) * 2015-04-30 2015-07-29 江苏科技大学 Fin type marine vertical tube vortex-excited vibration self power generation monitoring device
CN105242206A (en) * 2015-09-15 2016-01-13 河北工程大学 Vortex induced vibration water flow energy power generation test system
CN108266327A (en) * 2018-03-26 2018-07-10 华中科技大学 A kind of model wind generating device
CN109736998A (en) * 2018-12-29 2019-05-10 西安理工大学 A kind of multistable galloping fluid dynamic energy power generator
CN110594102A (en) * 2019-10-14 2019-12-20 石家庄铁道大学 Bladeless wind power generation equipment based on galloping principle
CN110792658A (en) * 2019-10-29 2020-02-14 江苏科技大学 Marine magnetic suspension vortex-induced vibration suppression device
WO2020093515A1 (en) * 2018-11-06 2020-05-14 江苏科技大学 Amplitude conversion magnetic-boundary vortex-induced vibration power generation apparatus

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104811009A (en) * 2015-04-30 2015-07-29 江苏科技大学 Fin type marine vertical tube vortex-excited vibration self power generation monitoring device
CN104811009B (en) * 2015-04-30 2016-06-08 江苏科技大学 The spontaneous power utilization monitoring device of wing pendulum-type vortex-induced vibration of marine riser
CN105242206A (en) * 2015-09-15 2016-01-13 河北工程大学 Vortex induced vibration water flow energy power generation test system
CN105242206B (en) * 2015-09-15 2018-09-04 河北工程大学 Vortex-induced vibration flow energy power generation test system
CN108266327A (en) * 2018-03-26 2018-07-10 华中科技大学 A kind of model wind generating device
CN108266327B (en) * 2018-03-26 2023-12-19 华中科技大学 Novel wind power generation device
WO2020093515A1 (en) * 2018-11-06 2020-05-14 江苏科技大学 Amplitude conversion magnetic-boundary vortex-induced vibration power generation apparatus
US11732684B2 (en) 2018-11-06 2023-08-22 Jiangsu University Of Science And Technology Ocean current vortex-induced vibration power generation device
CN109736998A (en) * 2018-12-29 2019-05-10 西安理工大学 A kind of multistable galloping fluid dynamic energy power generator
CN110594102A (en) * 2019-10-14 2019-12-20 石家庄铁道大学 Bladeless wind power generation equipment based on galloping principle
CN110792658A (en) * 2019-10-29 2020-02-14 江苏科技大学 Marine magnetic suspension vortex-induced vibration suppression device
CN110792658B (en) * 2019-10-29 2021-07-06 江苏科技大学 Marine magnetic suspension vortex-induced vibration suppression device

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