CN106837880A - One kind vortex deicing system and vortex de-icing method - Google Patents
One kind vortex deicing system and vortex de-icing method Download PDFInfo
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- CN106837880A CN106837880A CN201710119180.9A CN201710119180A CN106837880A CN 106837880 A CN106837880 A CN 106837880A CN 201710119180 A CN201710119180 A CN 201710119180A CN 106837880 A CN106837880 A CN 106837880A
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- pressure
- temperature
- vortex
- regulation
- compressed air
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/58—Cooling; Heating; Diminishing heat transfer
- F04D29/582—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps
- F04D29/584—Cooling; Heating; Diminishing heat transfer specially adapted for elastic fluid pumps cooling or heating the machine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Tents Or Canopies (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention provides one kind vortex deicing system and vortex de-icing method, it is related to vortex deicing field, including deicer and regulation device, the deicer includes vortex heating power rifle, the compressed air inlet of the vortex heating power rifle is connected by compressed air hose with compressed air source, the hot gas flow export of the vortex heating power rifle is connected with blowning installation, the air intake vent of the blowing mouth of the blowning installation towards blower fan.Vortex de-icing method is mainly comprised the following steps：Pressure judges, deicer regulation and control and work are fed back.The vortex deicing system carries out deicing using heating power rifle is vortexed, and because working medium is air, use cost is low and convenient, and used as critical component, vortex heating power rifle is without any electrical connection, it is only necessary to which compressed air just can continuously provide heat, easy maintenance, live compressed air source easily obtains.The occasion of the various industrial fan systems and various bad environments worked under outdoor placement and cryogenic conditions is applicable to, deicing efficiency is high.
Description
Technical field
The invention provides one kind vortex deicing system and vortex de-icing method, it is related to vortex deicing field.
Background technology
In recent years, northern haze is serious, and the vapor for causing power plant cooling tower to produce cannot spread, and make air pressure significantly
Increase, but nighttime temperature is low in addition, causes temperature lower soon in each Fan Equipment inlet velocity, causes multiple devices porch to tie
Ice is blocked, and causes system pressure to drastically reduce crisis system operation, there is the danger of chain chaser at any time, in the case, operation
Operator on duty will notify that maintainer removes icing, and pressure could recover normal after it removes icing.
It is existing change big grid filter screen, artificial deicing, electrical heating scene, blowtorch melt, from warm-air pipe skirt, use cycle
Various methods such as water- to-water heat exchanger carry out deicing, but prior art has problems with.
1st, change the filter screen of big grid, for stopping that debris have an impact, clammy air enter blower fan and pipeline easily including
Portion freezes.
2nd, artificial deicing, labor intensive and can not deicing in time.
3rd, electrical heating scene is generally that conductor threatens to personnel and equipment, and the fast heating effect of wind speed is poor.
4th, blowtorch melts, and blast is had resulted in containing coal dust in live air, and the fast heating effect of wind speed is poor.
5th, expensive from hot air duct skirt, poor sealing easily causes hot blast leakage and threatens personal safety and equipment fortune
OK.
6th, Heat Exchanger in Circulating Water System, cost is big, and the easy fouling of pipeline, leakage can cause moisture to be more easy to freeze more greatly, and wind speed adds soon
Thermal effect is poor.
The content of the invention
In order to solve problem above, the invention provides one kind vortex deicing system, blower fan must easily and effectively can be entered
Row deicing, elevation system pressure improves the automation of deicing system.
Technical scheme is as follows：One kind vortex deicing system, including deicer and regulation device, the deicing
Device includes vortex heating power rifle, and the compressed air inlet of the vortex heating power rifle is connected by compressed air hose with compressed air source
Connect, the hot gas flow export of the vortex heating power rifle is connected with blowning installation, blowing mouth the entering towards blower fan of the blowning installation
Air port.
Technical solution of the present invention also includes：The regulation device includes control cabinet, and the control cabinet is electrically connected with the solenoid valve,
The magnetic valve is arranged on compressed air hose.
Technical solution of the present invention also includes：The regulation device includes pressure sensor, and pressure is provided with the control cabinet
Power monitoring module, the pressure sensor is electrically connected with pressure monitor module, the pressure tap of the pressure sensor be arranged on into
On wind pipeline, system pressure is monitored.
Technical solution of the present invention also includes：The regulation device includes being installed in temperature, pressure measuring instrument, the control cabinet
There is temperature, pressure monitoring modular, the temperature, pressure measuring instrument is electrically connected with temperature, pressure monitoring modular, the temperature, pressure is surveyed
Amount instrument apart from blower fan air intake vent 10cm~20cm, the temperature, pressure measuring instrument and assembling in sustained height, to temperature and
Pressure is monitored.
Technical solution of the present invention also includes：Temperature control regulation door, the temperature control are installed on the vortex heating power rifle
System regulation door is electrically connected with control cabinet, and hot blast temperature that can be conveniently and efficiently to being vortexed heating power rifle is adjusted.
Technical solution of the present invention also includes：Be provided with the compressed air hose live compressed air interface or directly with
Air compression plant is connected, if job site can be right with it by live compressed air interface if having compressed air source in itself
Connect, it's not true can be compressed by standby air compression plant to air.
Technical solution of the present invention also includes：The air inlet of the blower fan is arranged on the side of afterbody, the blowning installation
It is cyclic structure, the cyclic structure is enclosed within the end of blower fan afterbody, cyclic structure inner side is provided with blowing mouth, the blowing mouth
Towards the air inlet of blower fan, heat-energy losses can be reduced, and save the device space.
Calculation specifications are carried out by taking the blower fan of model 9-26-6.3A as an example below.
Filter screen diameter：D=0.435m filter screen length：L=0.5m frost shape ice concentrations ρ=880kg/m3
Icing thickness：The thawing enthalpy h=335KJ/kg heat transfer efficiencys of δ=0.001m ice：η=50%~70%
V=Π DL δ=3.14*0.435*0.5*0.001=6.83*10-4m3
M=ρ V=880*6.83*10-4m3=0.6kg
Q=m*h=0.6*335=201J
Q1=Q/ η=201/0.5=402J
The heat of vortex tube：1cfm≈1.7m3/h
Commonly vortex tube flow is：qv=2~8cfm=3.4~13.6m3/h
T=70 DEG C of density of temperature：ρk=1.029kg/m3(looking into conventional atmospheric density table)
Air enthalpy is calculated：H=(1.01+1.84d) t+2500d (kj/kg dry air)
In formula：T-air themperature DEG C
The water capacity kg/kg dry air of d-air
The average specific heat at constant pressure kj/ (kg.K) of 1.01-dry air
The average specific heat at constant pressure kj/ (kg.K) of 1.84-vapor
The latent heat of vaporization kj/kg of water at 2500-0 DEG C
From swirler air pressure d=20%~40% out
H=(1.01+1.84*20%) * 70+2500*20%=596.46ki/kg
q1=h* ρk*qv=596.46*1.029*3.4=2086.8kj/h
T=Q1/q1=0.2h
Can be removed using present apparatus 0.2h=12min and frozen.
Present invention also offers one kind vortex de-icing method, mainly comprise the following steps：Pressure judges, deicer regulates and controls and works
Feedback；The pressure judges that step was mainly into after winter, as the system pressure P obtained by pressure sensor measurement1Less than pre-
If minimal pressure force value P0When, deicer regulation and control step is carried out, work as P1More than or equal to P0When, pressure sensor continues to system
Pressure is measured, until P1Less than P0Untill entering deicer regulation and control step afterwards.
The deicer regulation and control step mainly includes：
As the temperature t that temperature, pressure measuring instrument is measured1Less than or equal to the freezing temperature t of setting0, and Pb1More than or equal to setting
Icing pressure Pb0When, magnetic valve is opened, according to the t for measuring1And Pb1Regulation temperature control regulation door makes the heat of vortex heating power rifle
Air temperature removes the icing on blower fan, and enters work feedback step；
When the temperature, pressure that temperature, pressure measuring instrument is measured is unsatisfactory for t1＜=t0And Pb1＞=Pb0When, again to temperature
Pressure is detected, until the temperature t for measuring2＜=t0And Pb2＞=Pb0When, open magnetic valve, regulation temperature control regulation
Door makes the hot blast temperature of vortex heating power rifle remove the icing on blower fan, and enters work feedback step.
The work feedback step mainly includes：Enter work feedback step after the completion of deicer regulation and control step, this
When pressure sensor redeterminate system pressure P2；
Work as P2More than or equal to P0When, close magnetic valve and terminate regulation and control, work as P2Less than P0When, re-start deicer regulation and control
Step, until the P that pressure sensor is measured2More than or equal to P0When, close magnetic valve and terminate regulation and control.
Beneficial effects of the present invention are：The vortex deicing system, deicing is carried out using heating power rifle is vortexed, because working medium is empty
Gas, use cost is low and convenient, in 7Bar, on the premise of 25 DEG C of air, and reachable+180 DEG C of the maximum temperature that can be provided, and conduct
Critical component, vortex heating power rifle is without any electrical connection, it is only necessary to which compressed air just can continuously provide heat, installation, dismounting side
Just, easy maintenance.
For power plant and other industrial and mining enterprises, live compressed air source easily obtains.The vortex deicing system does not have in itself
Moving component, can work long hours without maintenance, will not also cause mechanical oscillation and electromagnetic interference.It is applicable to outdoor putting
Put and cryogenic conditions under the various industrial fan systems that work.Be equally applicable to low temperature, high pressure, high pollution, dust concentration it is high,
The occasion of the bad environments such as high noisy, high risk gas, deicing efficiency is high, with good practicality and marketing valency
Value.
Brief description of the drawings
Fig. 1 is present invention vortex deicing system structural representation；
Fig. 2 judges schematic flow sheet for pressure of the present invention；
Fig. 3 is that deicer of the present invention regulates and controls flow chart；
Fig. 4 is present invention work feedback schematic diagram；
Fig. 5 is blowing device schematic view of the mounting position.
Wherein, 1, live compressed air interface, 2, main valve, 3, magnetic valve, 4, compressed air hose, 5, vortex tube, 6, blow
Device, 7, blower fan, 8, pressure sensor, 9, temperature, pressure measuring instrument, 10, control cabinet.
Specific embodiment
Below in conjunction with drawings and Examples, the invention will be described further.
Simultaneously as simply section Example hereinafter described, in the case where not conflicting, embodiment in the application and
Feature in embodiment can be mutually combined.
One kind vortex deicing system, including deicer and regulation device, the deicer include vortex heating power rifle 5,
The compressed air inlet of the vortex heating power rifle 5 is connected by compressed air hose 4 with compressed air source, the vortex heating power rifle 5
Hot gas flow export be connected with blowning installation 6, the air intake vent of the blowing mouth of the blowning installation 6 towards blower fan 7.
The regulation device includes control cabinet 10, and the control cabinet 10 is electrically connected with magnetic valve 3, and the magnetic valve 3 is installed
On compressed air hose 4.
The regulation device includes being provided with pressure monitor module, the pressure in pressure sensor 8, the control cabinet 10
Sensor 8 is electrically connected with pressure monitor module, and the pressure tap of the pressure sensor 8 is arranged on intake stack, to system pressure
Power is monitored.
The regulation device includes being provided with temperature, pressure monitoring modular in temperature, pressure measuring instrument 9, the control cabinet 10,
The temperature, pressure measuring instrument 9 is electrically connected with temperature, pressure monitoring modular, and the temperature, pressure measuring instrument 9 is apart from the inlet air of blower fan 7
Mouth 10cm~20cm, the temperature, pressure measuring instrument 9 is arranged on sustained height, temperature and pressure is monitored with blower fan 7.
Temperature control regulation door is installed, the temperature control regulation door is electrically connected with control cabinet 7 on the vortex heating power rifle 5
Connect, hot blast temperature that can be conveniently and efficiently to vortex heating power rifle 5 is adjusted.
Live compressed air interface 1 is installed on the compressed air hose 4 or is directly connected with air compression plant, if
Job site can be interfaced by live compressed air interface 1 if having compressed air source in itself, and it's not true can lead to
Standby air compression plant is crossed to be compressed air.
The air inlet of the blower fan 7 is arranged on the side of afterbody, and the blowning installation 6 is cyclic structure, the ring-type
Structure is enclosed within the end of the afterbody of blower fan 7, and cyclic structure inner side is provided with blowing mouth, the blowing mouth towards blower fan 7 air inlet,
Heat-energy losses can be reduced, and save the device space.
Main valve 2 is installed on the compressed air hose 4.Total valve 2 is closed when summer does not use, when entrance winter (temperature
Less than 5 DEG C) after, open total valve 2.
As shown in figs. 2 to 4, the regulation and control of the system mainly include that pressure judges, deicer regulation and control and work feed back three
Step, the pressure judges that step is mainly as the system pressure P obtained by the measurement of pressure sensor 81Less than default minimal pressure
Force value P0When, deicer regulation and control step is carried out, work as P1More than or equal to P0When, pressure sensor 8 continues to survey system pressure
Amount, until P1Less than P0Untill entering deicer regulation and control step afterwards.Wherein P0Minimum pressure is allowed by system, less than the pressure
The automatic chaser of system after power, the herein P by taking 1000MW boiler dilution airs as an example0=5kpa.
The deicer regulation and control are mainly comprised the following steps：Porch external environment temperature is measured according to temperature and pressure sensor 8
Degree and pressure judge whether to freeze, and its freezing temperature and pressure are shown in Table one.
Table one：Freezing temperature and pressure gauge
As the temperature t that temperature, pressure measuring instrument 9 is measured1Less than or equal to the freezing temperature t of setting0, and Pb1More than or equal to setting
Fixed icing pressure Pb0When, magnetic valve 3 is opened, according to the t for measuring1And Pb1Regulation temperature control regulation door makes vortex heating power rifle 5
Hot blast temperature remove blower fan 7 on icing, and enter work feedback step；When the temperature pressure that temperature, pressure measuring instrument 9 is measured
Power is unsatisfactory for t1＜=t0And Pb1＞=Pb0When, temperature, pressure is detected again, until the temperature t for measuring2＜=t0And
Pb2＞=Pb0When, magnetic valve 3 is opened, regulation temperature control regulation door makes the hot blast temperature t ' of vortex heating power rifle, removes blower fan 7
On icing, and enter work feedback step.T ' and t0Corresponding table be shown in Table two.
Table two：T and t ' corresponding tables
| Environment temperature t (DEG C) | Output temperature t ' (DEG C) |
| - 20~-10 | 70~75 |
| - 5~-10 | 65~70 |
| 0~-5 | 50~65 |
| 5~0 | 40~50 |
The work feedback step mainly includes：Enter work feedback step after the completion of deicer regulation and control step, this
When pressure sensor 8 redeterminate system pressure P2；Work as P2More than or equal to P0When, close magnetic valve 3 and terminate regulation and control, work as P2Less than P0
When, deicer regulation and control step is re-started, until the P that pressure sensor 8 is measured2More than or equal to P0When, close the knot of magnetic valve 3
Beam regulates and controls.
Wherein purged using the timing of the reasonable set time of magnetic valve 3, can be set according to weather condition on time setting
Time interval.
The above, is only presently preferred embodiments of the present invention, and any formal limitation is not done to the present invention, all at this
Any modification, equivalent and improvement etc. are made within the spirit and principle of invention, protection scope of the present invention is should be included in
Within.
Claims (10)
- It is 1. a kind of to be vortexed deicing system, it is characterised in that：Including deicer and regulation device, the deicer includes vortex Heating power rifle, the compressed air inlet of the vortex heating power rifle is connected by compressed air hose with compressed air source, the vortex heat The hot gas flow export of power rifle is connected with blowning installation, the air intake vent of the blowing mouth of the blowning installation towards blower fan.
- 2. one kind as claimed in claim 1 is vortexed deicing system, it is characterised in that：The regulation device includes control cabinet, institute State control cabinet to be electrically connected with the solenoid valve, the magnetic valve is arranged on compressed air hose.
- 3. one kind as claimed in claim 2 is vortexed deicing system, it is characterised in that：The regulation device includes pressure sensing Device, is provided with pressure monitor module in the control cabinet, the pressure sensor is electrically connected with pressure monitor module, the pressure The pressure tap of sensor is arranged on intake stack.
- 4. one kind as claimed in claim 3 is vortexed deicing system, it is characterised in that：The regulation device is surveyed including temperature, pressure Amount instrument, is provided with temperature, pressure monitoring modular, the temperature, pressure measuring instrument and temperature, pressure monitoring modular in the control cabinet Electrical connection, the temperature, pressure measuring instrument is pacified apart from blower fan air intake vent 10cm~20cm, the temperature, pressure measuring instrument with blower fan Mounted in sustained height.
- 5. one kind as claimed in claim 4 is vortexed deicing system, it is characterised in that：Temperature is installed on the vortex heating power rifle Door is controlled to adjust, the temperature control regulation door is electrically connected with control cabinet.
- 6. one kind as claimed in claim 1 is vortexed deicing system, it is characterised in that：Scene is installed on the compressed air hose Compressed air interface is directly connected with air compression plant.
- 7. one kind as claimed in claim 1 is vortexed deicing system, it is characterised in that：The air inlet of the blower fan is arranged on afterbody Side on, the blowning installation is cyclic structure, and the cyclic structure is enclosed within the end of blower fan afterbody, and cyclic structure inner side sets It is equipped with blowing mouth, air inlet of the blowing mouth towards blower fan.
- 8., using the vortex de-icing method of the vortex deicing system as described in claim 1 to 7 is any, mainly comprise the following steps：Pressure Judge, deicer regulation and control and work are fed back；The pressure judges that step was mainly into after winter, when pressure sensor measurement The system pressure P of gained1Less than default minimal pressure force value P0When, deicer regulation and control step is carried out, work as P1More than or equal to P0 When, pressure sensor continues to measure system pressure, until P1Less than P0Untill entering deicer regulation and control step afterwards.
- 9. one kind as claimed in claim 8 is vortexed de-icing method, it is characterised in that：The deicer regulation and control step is mainly wrapped Include：As the temperature t that temperature, pressure measuring instrument is measured1Less than or equal to the freezing temperature t of setting0, and Pb1More than or equal to the knot of setting Ice pressure Pb0When, magnetic valve is opened, according to the t for measuring1And Pb1Regulation temperature control regulation door makes the hot blast temperature of vortex heating power rifle Degree removes the icing on blower fan, and enters work feedback step；When the temperature, pressure that temperature, pressure measuring instrument is measured is unsatisfactory for t1＜=t0And Pb1＞=Pb0When, temperature, pressure is carried out again Detection, until the temperature t for measuring2＜=t0And Pb2＞=Pb0When, magnetic valve is opened, regulation temperature control regulation door makes vortex heat The hot blast temperature of power rifle removes the icing on blower fan, and enters work feedback step.
- It is 10. a kind of as claimed in claim 8 or 9 to be vortexed deicing system, it is characterised in that：The work feedback step is mainly wrapped Include：Enter work feedback step after the completion of deicer regulation and control step, now pressure sensor redeterminates system pressure P2；Work as P2More than or equal to P0When, close magnetic valve and terminate regulation and control, work as P2Less than P0When, deicer regulation and control step is re-started, Until the P that pressure sensor is measured2More than or equal to P0When, close magnetic valve and terminate regulation and control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710119180.9A CN106837880B (en) | 2017-03-01 | 2017-03-01 | Vortex deicing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710119180.9A CN106837880B (en) | 2017-03-01 | 2017-03-01 | Vortex deicing method |
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| CN106837880A true CN106837880A (en) | 2017-06-13 |
| CN106837880B CN106837880B (en) | 2023-03-24 |
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| CN204285918U (en) * | 2014-12-09 | 2015-04-22 | 苟仲武 | A kind of evaporimeter potentiating and anti-caking frost device |
| CN105298646A (en) * | 2014-05-29 | 2016-02-03 | 通用电气公司 | Systems and methods for de-icing inlet screens and dehumidifying inlet air filters for gas turbine engines |
| CN206626021U (en) * | 2017-03-01 | 2017-11-10 | 许超 | One kind vortex deicing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102235361A (en) * | 2010-04-20 | 2011-11-09 | 上海工程技术大学 | Method and device for constant pressure control of screw air compressor |
| CN201826276U (en) * | 2010-04-23 | 2011-05-11 | 阳碁动力节能科技股份有限公司 | Spraying, deicing and snow-removing device |
| CN101916108A (en) * | 2010-08-31 | 2010-12-15 | 上海交通大学 | Automation device for use in civil aircraft environment control system function test |
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|---|---|
| CN106837880B (en) | 2023-03-24 |
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