CN107121008B - For the condenser cleaning equipment and cleaning guide of open circulation water system - Google Patents
For the condenser cleaning equipment and cleaning guide of open circulation water system Download PDFInfo
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- CN107121008B CN107121008B CN201710469437.3A CN201710469437A CN107121008B CN 107121008 B CN107121008 B CN 107121008B CN 201710469437 A CN201710469437 A CN 201710469437A CN 107121008 B CN107121008 B CN 107121008B
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- 238000004140 cleaning Methods 0.000 title claims abstract description 67
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 40
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 63
- 239000000498 cooling water Substances 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 abstract description 24
- 239000008239 natural water Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 10
- 230000003628 erosive effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 230000005514 two-phase flow Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 241000143060 Americamysis bahia Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001112 coagulating effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000010977 unit operation Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G1/00—Non-rotary, e.g. reciprocated, appliances
- F28G1/12—Fluid-propelled scrapers, bullets, or like solid bodies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of condenser cleaning equipment for open circulation water system, water source and condenser cooling water system including rivers,lakes and seas, the water source of rivers,lakes and seas is entered by condenser cooling water system entry, flow through and return to rivers,lakes and seas from outlet after the heat exchanger tube of condenser, heat exchanger tube is internally provided with cleaning guide, cleaning guide includes pedestal, several blades and centrum, the setting of several blades equiangularly spacing is fixed on pedestal, and one end of the narrower width of several blades is fixed on the bottom of centrum, the other end is fixed on the bottom of pedestal, pedestal is fixed in heat exchanger tube, the head face cooling water direction of flow of centrum.The invention discloses a kind of cleaning guide.The present invention has advantages below：Due to having used the grains of sand carried in natural water to implement uninterrupted on-line cleaning for heat exchange tube of condenser, therefore cost is extremely cheap, and cleaning performance is notable.
Description
Technical field
The present invention relates to turbine condenser in a kind of cleaning device, more particularly to a kind of thermoelectricity or nuclear power generating sets
Cleaning device.
Background technology
The importance of condenser cleaning：Turbine back pressure is to influence unit economy and the important parameter of security, at it
In actual moving process, the change of the factor such as load, environment temperature, condenser operation conditions, it can all cause back pressure off-design
Value.After unit operation, cold-end equipment such as condenser, cooling tower etc., the problem of due to safeguard, run etc., push away over time
Move, the continuous fouling of heat-transfer surface, heat exchange property gradually fails, often below design requirement, causes unit economy to decline serious, example
The unit that a such as rate of load condensate is 90%, year operating 5500h, power are 680MW, when condenser fouling reaches 0.5mm thickness,
It can make constantly rise is lost with coal during generating, annual coal consumption will increase by more than 30,000 tons, if coal price is calculated by 500 yuan of 1t,
Its increased cost is more than 1,800 ten thousand yuan.If the thickness of incrustation scale reaches 1mm, the consume can of coal amount reaches
50000t or so, generated output decline 10% or so.Therefore the clean rate of condenser decides turbine back pressure, so as to determine
The economy of unit and the discharge capacity of pollutant.
Current condenser typically uses Chemical cleaning, rubber ball cleaning, the cleaning of condenser projectile, cleaning robot cleaning etc.
Condenser cleaning technique, but the cleaning performance that these cleaning techniques have is poor, and some cleaning costs are high, imitated without that can take into account cleaning
Fruit, the cleaning method for cleaning cost.
Open circulation water system：Condenser is mostly using water as cooling working medium.By the difference of way of supplying water, it is divided into open type
Circulation and closed circle water system.Supply water from open water supplies such as river, river, lake, seas, draining still flows back to therein, title
For open circulation water system.Supply water and still return to cooling tower (water from artificial water source, drainings such as cooling tower or cooling ponds
Pond) recycle, referred to as closed circle water system.Because open circulating water taking and discharging derives from rivers,lakes and seas, rotating
In the case of filter screen and secondary filter filter effect are normal, fishes and shrimps, floating log and the larger barrier of other sizes are filtered out
Afterwards, the grains of sand of small size is entered circulation, Solid-fluid Two-phase Flow is formed in heat exchanger tube with cooling water.
The content of the invention
The technical problems to be solved by the invention be the provision of that a kind of cleaning performance is good and cleaning cost is cheap is directed to
The condenser cleaning equipment of open circulation water system.
The present invention is that solve above-mentioned technical problem by the following technical programs：A kind of coagulating for open circulation water system
Vapour device cleaning device, including the water source of rivers,lakes and seas and condenser cooling water system, the water source of the rivers,lakes and seas, which passes through, to coagulate
Vapour device cooling water system entrance enters, and flows through and returns to rivers from condenser cooling water system outlet after the heat exchanger tube (2) of condenser
Hu Hai, cleaning guide (1) is provided with the heat exchanger tube (2) of the condenser, the cleaning guide (1) includes pedestal
(7), several blades (8) and centrum (6), the setting of several described blades (8) equiangularly spacing are fixed on pedestal (7)
On, centrum (6) is fixed on the top of pedestal (7), and one end of the narrower width of several blades (8) is fixed on centrum (6)
Bottom, the other end are fixed on the bottom of pedestal (7), and pedestal (7) is fixed in the heat exchanger tube (2) of condenser, the head of centrum (6)
Face cooling water direction of flow；
The structure of each blade (8) is identical, and blade profile is quadrangle, has certain thickness；
The blade (8) from the side, has 5 end points, is successively：First end point (81), the second end points (82), the 3rd
End points (83), the 4th end points (84), the 5th end points (85), the first end point (81) of each blade are fixed on the bottom of centrum (6)
Portion, circle and centrum (6) concentric where first end point (81), and diameter is less than the diameter of centrum (6) the widest part, the second end points
(82) first end point (81) is slightly lower in height than, and the diameter of a circle at place is slightly larger than the circle where first end point (81), institute
It is a segmental arc to state between the second end points (82) and the 3rd end points (83), and vaned 3rd end points (83) of institute is in a circle
Zhou Shang, the diameter of a circle where vaned 3rd end points (83) of the institute are more than the diameter of centrum (6) the widest part, are pedestal (7)
2 times of diameter of a circle, are a straightway between the 3rd end points (83) and the 4th end points (84), the straightway is worn where bottom
The axial line of centrum (6) is crossed, is a straightway between the 4th end points (84) and the 5th end points (85), and institute vaned the
In a height, vaned 5th end points (85) of the institute is fixed in pedestal for four end points (84) and the 5th end points (85)
(7) on, and the circle where the 5th end points (85) is identical with the maximum gauge of pedestal (7), the circle where the 4th end points (84) it is straight
Footpath is slightly less than the circle where the 3rd end points (83), is an arc between the 5th end points (85) and first end point (81), and
The camber line segment length is more than the camber line segment length being less than between the 3rd end points (83) and the second end points (82).
As the technical scheme further optimized, the cleaning guide (1) is fixed on changing for condenser by support (3)
In heat pipe (2).
As the technical scheme further optimized, the pedestal (7) is located at the center of support (3), some supports (3) etc.
Spacing is set, and support (3) one end is fixed on pedestal (7), and the other end is fixed on heat exchanger tube (2).
As the technical scheme further optimized, each blade (8) height 45mm, geometrical pitch 225mm, the number of turns 0.2.
As the technical scheme further optimized, each blade (8) uses Steel coil blade.
Invention additionally discloses a kind of cleaning guide, including pedestal (7), several blades (8) and centrum (6), institute
The setting for stating several blades (8) equiangularly spacing is fixed on pedestal (7), and centrum (6) is fixed on the top of pedestal (7),
And one end of the narrower width of several blades (8) is fixed on the bottom of centrum (6), the other end is fixed on the bottom of pedestal (7)；
The blade (8) is quadrangle, from the side, has 5 end points, is successively：First end point (81), the second end points
(82), the 3rd end points (83), the 4th end points (84), the 5th end points (85), the first end point (81) of each blade are fixed on vertebra
The bottom of body (6), circle and centrum (6) concentric where first end point (81), and diameter is less than the straight of centrum (6) the widest part
Footpath, the second end points (82) is slightly lower in height than first end point (81), and the diameter of a circle at place is slightly larger than first end point (81)
The circle at place, it is a segmental arc between second end points (82) and the 3rd end points (83), and vaned 3rd end points of institute
(83) on a circumference, the diameter of a circle where vaned 3rd end points (83) of the institute is more than centrum (6) the widest part
Diameter, 2 times of diameter of a circle where pedestal (7) bottom, for always between the 3rd end points (83) and the 4th end points (84)
Line segment, the straightway pass through the axial line of centrum (6), are a straight lines between the 4th end points (84) and the 5th end points (85)
Section, and vaned 4th end points (84) of institute and the 5th end points (85) be in a height, vaned 5th end points of the institute
(85) it is fixed on pedestal (7), and the circle where the 5th end points (85) is identical with the maximum gauge of pedestal (7), the 4th end points
(84) diameter of a circle where is slightly less than the circle where the 3rd end points (83), the 5th end points (85) and first end point (81) it
Between be an arc, and the camber line segment length is more than and is less than camber line segment length between the 3rd end points (83) and the second end points (82)
Degree.
As the technical scheme further optimized, each blade (8) uses Steel coil blade, height 45mm, geometry spiral shell
Away from 225mm, the number of turns 0.2.
The present invention has advantages below compared with prior art：Cleaning method in the present invention, due to having used natural water
In the grains of sand that carry implement uninterrupted on-line cleaning for heat exchange tube of condenser, therefore cost is extremely cheap.
Due to having installed cleaning guide additional in pipe, the design of its distinctive helical blade shape passes through the device
The carrying grains of sand cooling water tangential flow velocity and annular flow strengthen, therefore the intensity and cleaning performance of grains of sand erosion incrustation scale
Greatly enhance.On the other hand, cleaning guide therein, the flow field in pipe has been disturbed so that more grains of sand constantly collide
Or flowed in near-wall, help to destroy the current boundary layer of near wall, so that scale forming matter is not easy accumulation simultaneously
Incrustation scale is formed, reaches the effect of antiscale.
Brief description of the drawings
Fig. 1 is structure diagram of the present invention for the condenser cleaning equipment of open circulation water system
Fig. 2 is partial enlargement section view of the present invention for a visual angle of the condenser cleaning equipment of open circulation water system
Figure；
Fig. 3 is that the present invention cuts open for the partial enlargement at another visual angle of the condenser cleaning equipment of open circulation water system
View；
Fig. 4 is stereogram of the present invention for the condenser cleaning equipment of open circulation water system.
Embodiment
Embodiments of the invention are elaborated below, the present embodiment is carried out lower premised on technical solution of the present invention
Implement, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to following implementation
Example.
The applicant in long-term thermoelectricity or nuclear power generating sets in the research of the cleaning of turbine condenser, progressively find with
Lower effect：
The erosion effect of the grains of sand：Erosion corrosion, abbreviation erosion.Solid impact in liquid, can be right when on material surface
Material surface produces abrasion.Whereupon it may be inferred that after the grains of sand enter bank of condenser pipes with cooling water, can be collided with tube wall
Friction, so as to form the cleaning to tube wall incrustation scale.So if can be by improving collision of the grains of sand with restraining wall in water body
Probability, then it can effectively strengthen erosion effect of the grains of sand to wall incrustation scale, improve bank of condenser pipes cleannes.
The disorderly effect of cause of the grains of sand：Recirculated water near-wall in condenser Bottomhole pressure can form a very thin boundary layer,
The flow velocity of water is progressively increased to accordingly without the original value of friction outflow, therefore close by the zero of Gu Bichu in this thin layer
The water flow velocity in boundary layer at tube wall is very small, and the salinity of precipitation is difficult to be taken away in time, is constantly accumulated around tube wall, most
Be attached to eventually on tube wall and form incrustation scale, this be also most condenser cleaning programs after the completion of cleaning, condenser is in a short time again
The reason for fouling, if it is possible to constantly destroyed to the fluid boundary layer of near wall, you can to cause what is separated out from water
Scale forming matter is not easy to be deposited in the wall of heat-exchanging tube bundle, and its generation can be prevented so as to not formed in incrustation scale.Remember according to pertinent literature
Carry, in the mixing two phase flow of current and the grains of sand, the grains of sand have a disorderly effect of special cause for current, i.e., the current that the grains of sand pass through are attached
Closely, turbulence degree can strengthen.Therefore, if the constantly collision of more grains of sand can be caused or flowed in near-wall,
Contribute to the current boundary layer of destruction near wall, so that scale forming matter is not easy to accumulate and formed incrustation scale, reach antiscale
Effect.
The effect of guiding device：On the books in the research of correlation, when two phase flow flows through spiral flow deflector in pipe, it is cut
Significantly strengthen to speed and the flowing of ring dress, fluid tangentially scatters along flow deflector.
Theoretical and actual discovery based on more than, the applicant's research is using the grains of sand carried in natural water to condenser
Heat exchanger tube implements uninterrupted on-line cleaning, and devises cleaning device as described below.
As shown in fig.1, a kind of condenser cleaning equipment for open circulation water system of the present embodiment, including rivers lake
The water source and condenser cooling water system, the water source of the rivers,lakes and seas in sea are entered by condenser cooling water system entry,
Flow through and return to rivers,lakes and seas from condenser cooling water system outlet after the heat exchanger tube of condenser.The adjacent heat exchange tubes of the condenser
Tube wall between be provided with cleaning guide 1.
Fig. 2 and Fig. 3 is referred to simultaneously, the cleaning guide 1 includes pedestal 7, several blades 8 and centrum 6, described
The setting that several blades 8 are angularly equidistant, and one end of the narrower width of several blades 8 is fixed on the bottom of centrum 6, separately
One end is fixed on pedestal 7.Pedestal 7 is fixed in the heat exchanger tube 2 of condenser by support 3.Pedestal 7, centrum 6 and heat exchanger tube 2 are same
Axle center, support 3 are connected with the bottom of pedestal 7, and the base diameter (maximum gauge) of pedestal 7 is generally less than the diameter of heat exchanger tube 2
1/3, the top of pedestal 7 is connected with the bottom of centrum 6, and the bottom that the diameter at the top of pedestal 7 is generally less than or equal to pedestal 7 is straight
The 1/2 of footpath.
In the embodiment, 3 blades 8 are provided with.
As shown in figure 4, the structure of each blade 8 is identical, blade profile is quadrangle, has certain thickness, with one of them
Blade 8 carries out the explanation of structure.The blade 8 from the side, has 5 end points, is successively：First end point 81, the second end points
82nd, the 3rd end points 83, the 4th end points 84, the 5th end points 85.The first end point 81 of each blade is fixed on the bottom of centrum 6,
Circle and the concentric of centrum 6 where first end point 81, and diameter is less than the diameter of the widest part of centrum 6.Second end points 82 is in height
Upper slightly below end points 81, and the diameter of a circle at place is slightly larger than the circle where end points 81.The end points of second end points 82 and the 3rd
It is a segmental arc between 83, and vaned 3rd end points 83 of institute is on a circumference, vaned 3rd end points 83 of the institute
The diameter of a circle at place is more than 2 times of the diameter of the widest part of centrum 6, about diameter of a circle where the bottom of pedestal 7.3rd end
It is a straightway between the end points 84 of point 83 and the 4th, the straightway passes through the axial line of centrum 6, the 4th end points 84 and the 5th
It is a straightway between end points 85, and vaned 4th end points 84 of institute and the 5th end points 85, in a height, this is all
5th end points 85 of blade is fixed on pedestal 7, and the circle where the 5th end points 85 is identical with the maximum gauge of pedestal 7, the
Diameter of a circle where four end points 84 is slightly less than the circle where the 3rd end points 83.Between 5th end points 85 and first end point 81
It is an arc, and the camber line segment length is more than the camber line segment length being less than between the 3rd end points 83 and the second end points 82.
As the technical scheme of optimization, wherein cleaning guide 1 is fixed in the heat exchanger tube 2 of condenser by support 3.Institute
The center that pedestal 7 is located at support 3, some spaced sets of support 3 are stated, the one end of support 3 is fixed on pedestal 7, and the other end is solid
Determine onto heat exchanger tube 2.Preferably, using 3 supports 3.
As optimal embodiment, each blade 8 uses Steel coil blade, height 45mm, geometrical pitch 225mm, circle
Number 0.2, the head face cooling water direction of flow of centrum 6, cooling water and the grains of sand obtain certain radial direction speed after centrum 6
Degree, flows subsequently through blade 8, and the tangential flow velocity and annular flow for carrying the cooling water of the grains of sand are strengthened, to the tube wall stream of heat exchanger tube 2
Go.Therefore by the water conservancy diversion of cleaning guide 1, the intensity increase of grains of sand erosion heat exchanger tube 2, cleaning performance enhancing.
From the system diagram (Fig. 3) of whole purging system as can be seen that the cooling water containing the grains of sand enters condensing in nature
Device cooling water inlet, then distribution are disposed with cleaning guide 1 into heat exchange tube of condenser 2 in heat exchanger tube 2.The cleaning
Guider 1 is fixed in heat exchanger tube 2 by support 3, when the cooling water with the grains of sand flows through the cleaning guide 1, the grains of sand
The water conservancy diversion of guider 1 washed with cooling water, scatters to its circumference, flows to the wall direction of heat exchanger tube 2, adds the grains of sand
Exchange the impact strength and probability of the tube wall of heat pipe 2, be consequently formed it is strong to wall wash away and the cleaning performance to incrustation scale, with this
Simultaneously as the presence of cleaning guide 1, has disturbed the flow field in pipe so that more grains of sand constantly collide or in pipe
Wall flows about, and helps to destroy the current boundary layer of near wall, so that scale forming matter is not easy to accumulate and formed incrustation scale,
Reach the effect of antiscale.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (7)
1. a kind of condenser cleaning equipment for open circulation water system, including the water source of rivers,lakes and seas and condenser cooling
Water system, the water source of the rivers,lakes and seas are entered by condenser cooling water system entry, after the heat exchanger tube (2) for flowing through condenser
Rivers,lakes and seas are returned to from condenser cooling water system outlet, it is characterised in that are provided with the heat exchanger tube (2) of the condenser clear
Guider (1) is washed, the cleaning guide (1) includes pedestal (7), several blades (8) and centrum (6), if described
The setting of dry blade (8) equiangularly spacing is fixed on pedestal (7), and centrum (6) is fixed on the top of pedestal (7), and if
One end of the narrow width of dry blade (8) is fixed on the bottom of centrum (6), and the other end is fixed on the bottom of pedestal (7), pedestal
(7) it is fixed in the heat exchanger tube (2) of condenser, the head face cooling water direction of flow of centrum (6)；
The structure of each blade (8) is identical, and blade profile is quadrangle, has certain thickness；
The blade (8) from the side, has 5 end points, is successively：First end point (81), the second end points (82), the 3rd end points
(83), the 4th end points (84), the 5th end points (85), the first end point (81) of each blade are fixed on the bottom of centrum (6), the
Circle and centrum (6) concentric where end point (81), and diameter is less than the diameter of centrum (6) the widest part, the second end points (82)
It is less than first end point (81) in height, and the diameter of a circle at place is more than the circle where first end point (81), second end
It is a segmental arc between point (82) and the 3rd end points (83), and vaned 3rd end points (83) of institute is somebody's turn to do on a circumference
Diameter of a circle where vaned 3rd end points (83) be more than the diameter of centrum (6) the widest part, where being pedestal (7) bottom
2 times of diameter of a circle, are a straightway between the 3rd end points (83) and the 4th end points (84), and the straightway passes through centrum
(6) axial line, it is a straightway between the 4th end points (84) and the 5th end points (85), and vaned 4th end points of institute
(84) and the 5th end points (85) is in a height, and vaned 5th end points (85) of the institute is fixed on pedestal (7), and
Circle where 5th end points (85) is identical with the maximum gauge of pedestal (7), and the diameter of a circle where the 4th end points (84) is less than the
Circle where three end points (83), it is an arc between the 5th end points (85) and first end point (81), and camber line segment length
Degree is more than or less than the camber line segment length between the 3rd end points (83) and the second end points (82).
2. the condenser cleaning equipment according to claim 1 for open circulation water system, it is characterised in that described clear
Guider (1) is washed to be fixed on by support (3) in the heat exchanger tube (2) of condenser.
3. the condenser cleaning equipment according to claim 1 for open circulation water system, it is characterised in that the base
Seat (7) is located at the center of support (3), some support (3) spaced sets, and support (3) one end is fixed on pedestal (7), separately
One end is fixed on heat exchanger tube (2).
4. the condenser cleaning equipment according to claim 1 for open circulation water system, it is characterised in that Mei Geye
Piece (8) height 45mm, geometrical pitch 225mm, the number of turns 0.2.
5. the condenser cleaning equipment according to claim 1 for open circulation water system, it is characterised in that Mei Geye
Piece (8) uses Steel coil blade.
6. a kind of cleaning guide, it is characterised in that including pedestal (7), several blades (8) and centrum (6), if described
The setting of dry blade (8) equiangularly spacing is fixed on pedestal (7), and centrum (6) is fixed on the top of pedestal (7), and if
One end of the narrow width of dry blade (8) is fixed on the bottom of centrum (6), and the other end is fixed on the bottom of pedestal (7)；
The blade (8) is quadrangle, from the side, has 5 end points, is successively：First end point (81), the second end points
(82), the 3rd end points (83), the 4th end points (84), the 5th end points (85), the first end point (81) of each blade are fixed on vertebra
The bottom of body (6), circle and centrum (6) concentric where first end point (81), and diameter is less than the straight of centrum (6) the widest part
Footpath, the second end points (82) is less than first end point (81) in height, and the diameter of a circle at place is more than where first end point (81)
Circle, be a segmental arc between second end points (82) and the 3rd end points (83), and vaned 3rd end points (83) of institute is equal
On a circumference, the diameter of a circle where vaned 3rd end points (83) of the institute is more than the diameter of centrum (6) the widest part, is
2 times of diameter of a circle, are a straightway between the 3rd end points (83) and the 4th end points (84) where pedestal (7) bottom, should
Straightway passes through the axial line of centrum (6), is a straightway between the 4th end points (84) and the 5th end points (85), and all
In a height, vaned 5th end points (85) of the institute is fixed for 4th end points (84) of blade and the 5th end points (85)
It is identical with the maximum gauge of pedestal (7) in the circle on pedestal (7), and where the 5th end points (85), where the 4th end points (84)
Diameter of a circle is less than the circle where the 3rd end points (83), is a camber line between the 5th end points (85) and first end point (81)
Section, and the camber line segment length is more than or less than the camber line segment length between the 3rd end points (83) and the second end points (82).
7. a kind of cleaning guide according to claim 6, it is characterised in that each blade (8) uses Steel coil
Blade, height 45mm, geometrical pitch 225mm, the number of turns 0.2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469437.3A CN107121008B (en) | 2017-06-20 | 2017-06-20 | For the condenser cleaning equipment and cleaning guide of open circulation water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469437.3A CN107121008B (en) | 2017-06-20 | 2017-06-20 | For the condenser cleaning equipment and cleaning guide of open circulation water system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107121008A CN107121008A (en) | 2017-09-01 |
| CN107121008B true CN107121008B (en) | 2018-03-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710469437.3A Active CN107121008B (en) | 2017-06-20 | 2017-06-20 | For the condenser cleaning equipment and cleaning guide of open circulation water system |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1100855B (en) * | 1953-04-24 | 1961-03-02 | Andre Vandevelde | Device for heat exchange between a flue gas stream and a liquid to be heated |
| DE3703302A1 (en) * | 1987-02-04 | 1988-08-18 | Omnical Gmbh | HEAT EXCHANGER WITH TUBES FLOWED FROM FLUE GAS |
| US5528790A (en) * | 1995-09-21 | 1996-06-25 | Curran; Ed | Pipe scraper assembly |
| US6085376A (en) * | 1998-08-07 | 2000-07-11 | Itc, Inc. | Pipe cleaning apparatus |
| CN101033929A (en) * | 2007-04-18 | 2007-09-12 | 清华大学 | Member for online cleaning and removing scale of heat exchange tube |
| CN203454917U (en) * | 2013-08-29 | 2014-02-26 | 安徽新力电业科技咨询有限责任公司 | Condenser cleaning system in turbine closed circulating water system |
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| CN107121008A (en) | 2017-09-01 |
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Effective date of registration: 20240417 Address after: No. 669 Mingzhu Avenue, Baiyan Science and Technology Park, High tech Zone, Hefei City, Anhui Province, 231283 Patentee after: East China electric power test and Research Institute of China Datang Group Science and Technology Research Institute Co.,Ltd. Country or region after: China Patentee after: Huainan Luohe Power Generation Co.,Ltd. Patentee after: DATANG BOILER PRESSURE VESSEL EXAMINATION CENTER Co.,Ltd. Address before: No. 669 Mingzhu Avenue, Baiyan Science and Technology Park, High tech Zone, Hefei City, Anhui Province, 231283 Patentee before: East China electric power test and Research Institute of China Datang Group Science and Technology Research Institute Co.,Ltd. Country or region before: China Patentee before: Datang Anhui Power Generation Co.,Ltd. Huainan Luohe Power Generation Branch Patentee before: DATANG BOILER PRESSURE VESSEL EXAMINATION CENTER Co.,Ltd. |