CN107218590A - According to the steam generator system of steam-water ratio automatic pollution discharge - Google Patents
According to the steam generator system of steam-water ratio automatic pollution discharge Download PDFInfo
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- CN107218590A CN107218590A CN201710540470.0A CN201710540470A CN107218590A CN 107218590 A CN107218590 A CN 107218590A CN 201710540470 A CN201710540470 A CN 201710540470A CN 107218590 A CN107218590 A CN 107218590A
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- monitoring
- steam
- quality
- boiler
- water
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/56—Boiler cleaning control devices, e.g. for ascertaining proper duration of boiler blow-down
- F22B37/565—Blow-down control, e.g. for ascertaining proper duration of boiler blow-down
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B37/00—Component parts or details of steam boilers
- F22B37/02—Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
- F22B37/48—Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
- F22B37/54—De-sludging or blow-down devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Testing And Monitoring For Control Systems (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The invention provides a kind of steam generator system according to steam-water ratio automatic pollution discharge, the quantity of steam and the water of input boiler that the system is produced according to boiler are automatically controlled.The present invention can carry out Intelligent pollution discharge, prevent due to the substantial amounts of thermal waste that boiler blow-off failure is caused.
Description
Technical field
The invention belongs to field of boilers, belong to F22 fields.
Background technology
Traditional boiler blow-out system includes home server.Home server receives the information that controller is sent, and passes through
The operating scheme that pre-set control programs and parameter are obtained in home server, the operation side that controller is obtained according to home server
Case control steam generator system operation, the i.e. operation of steam generator system can only be obtained according to default control program and parameter in home server
The operating scheme operation arrived.However, system for field complex is changeable, when the operating scheme that home server is obtained can not be met
, it is necessary to which attendant arrives at control program and parameter that scene updates home server, so as to local during the demand of field conditions
Server is met the operating scheme of field conditions, it is impossible to neatly adjust the control program and parameter in home server.
The content of the invention
The present invention obtains blowdown flow rate and produces quantity of steam by monitoring the blowdown flow rate of every boiler in real time and producing quantity of steam
Dynamic relationship, and above-mentioned dynamic relationship sent to client by cloud server in real time, client can be slapped in time
Hold boiler blow-out system running situation, it is possible to carry out the adjustment of parameters sewage by client in time, prevent because boiler is arranged
The substantial amounts of thermal waste that the dirty system failure is caused.
To achieve these goals, technical scheme is as follows：
A kind of steam generator system, including monitoring and diagnosis controller and boiler,
The boiler includes setting blowoff valve, the connection of blowoff valve one end on the blow-off pipe for being arranged on boiler-steam dome lower end, blow-off pipe
Adjustment mechanism for valve, adjustment mechanism for valve and monitoring and diagnosis controller carry out data cube computation, so as to by valve opening data transfer
Monitoring and diagnosis controller is given, while receiving instruction from monitoring and diagnosis controller, the aperture of blowoff valve is adjusted；
Further comprise flowmeter on the blow-off pipe, measure the flow of blowdown；The flowmeter enters with monitoring and diagnosis controller
Row data cube computation, to pass data to monitoring and diagnosis controller, when monitoring and diagnosis controller calculates unit according to flowmeter
Between blowdown quality；
Flowmeter is set on the water inlet manifold of the boiler, for detecting the flow entered in boiler, the flowmeter and monitoring
Diagnosing controller carries out data cube computation, to give monitoring and diagnosis controller, monitoring and diagnosis controller root by the data transfer of measurement
Enter the quality of the water of boiler according to the flow rate calculation unit interval of measurement；
When the ratio of the quality of the water of the blowdown of monitoring and diagnosis controller detection and the quality of the water of input boiler exceedes the upper limit, prison
Control diagnosing controller turns the aperture of blowoff valve down by adjustment mechanism for valve automatically；If detection blowdown water quality with it is defeated
When the ratio for entering the quality of the water of boiler exceedes lower limit, monitoring and diagnosis controller tunes up blowoff valve automatically by adjustment mechanism for valve
Aperture；
The monitoring and diagnosis controller and cloud server data cube computation, so as to by the data transfer of monitoring to cloud server,
Cloud server is connected with client, the data that client can be monitored by cloud server.
Preferably, monitoring and diagnosis controller by the quality of the water of blowdown, input boiler water quality and its ratio, row
The aperture of dirty valve is sent to cloud server, and cloud server is by above-mentioned data transfer to client；
Client inputs the numerical value of the aperture of blowoff valve, monitoring and diagnosis is passed to by cloud server according to obtained data
Controller, the aperture of blowoff valve is adjusted by monitoring and diagnosis controller manually.
Preferably, in the case that if the aperture of blowoff valve were maximum, quality and the water of input boiler of the water of blowdown
The ratio of quality is still less than lower limit, then client can give a warning；
If in the case of the closing of blowoff valve, the ratio of the quality of water of the quality of the water of blowdown with inputting boiler is still more than
Higher limit, then client can give a warning.
Preferably, setting afterheat heat exchanger on the blow-off pipe, the afterheat heat exchanger is convector, described to dissipate
Hot device includes upper header and lower collector pipe, connects radiating tube between the upper header and lower collector pipe, the radiating tube include base tube with
And the fin positioned at matrix periphery, the cross section of the base tube is isosceles triangle, and the fin includes the first fin
With the second fin, first fin is stretched out from isosceles triangle drift angle, second fin include from etc.
Multiple fin extended outwardly where two waists of lumbar triangle shape and multiple dissipated from what the first fin stretched out
Backing, the second fin extended to same direction is parallel to each other, first fin, the end shape of the second fin extension
Into the second isosceles triangle；The substrate tube sets and sets second fluid inside first fluid passage, first fin
Passage, the first fluid passage is connected with second fluid passage.
Preferably, second fin is relative to the face specular where the first fin center line, adjacent institute
The distance for the second fin stated is L1, and the base length of the isosceles triangle is W, the waist of second isosceles triangle
Length is S, meets equation below：
L1/S*100=A*Ln (L1/W*100)+B* (L1/W)+C, wherein Ln is logarithmic function, and A, B, C are coefficient, 0.68<A<
0.72,22<B<26,7.5<C<8.8；
0.09<L1/S<0.11,0.11<L1/W<0.13
4mm<L1<8mm
40mm <S<75mm
45mm <W<85mm
The drift angle of isosceles triangle is a, 110 °<a<160°.
Compared with prior art, steam generator system of the invention has the following advantages：
1）The present invention obtains blowdown flow rate and produces the dynamic of quantity of steam by monitoring the blowdown flow rate of boiler in real time and producing quantity of steam
Relation, and above-mentioned dynamic relationship is sent to client by cloud server in real time, client can grasp boiler in time
Drainage running situation, it is possible to carry out the adjustment of parameters sewage by client in time, prevent due to boiler blow-out system
The substantial amounts of thermal waste that failure is caused.
2）The present invention develops a kind of heat exchanger of new UTILIZATION OF VESIDUAL HEAT IN, and its structure is optimized, and reaches and most saves
Heat transfer effect.
Brief description of the drawings
Fig. 1 is the schematic diagram that drainage of the present invention is automatically controlled；
Fig. 2 is the main structure diagram of radiator one embodiment of the present invention；
Fig. 3 is the main structure diagram of radiator one embodiment of the present invention；
Fig. 4 is the schematic diagram of Fig. 2 right side observation；
Fig. 5 is the sectional drawing of the fin of providing holes；
Fig. 6 is the schematic flow sheet of cloud computing control of the present invention.
Reference is as follows：
1 drum, 2 afterheat heat exchangers, 3 flowmeters, 4 pressure gauges, 5 thermometers, 6 Water Test Kits, 7 adjustment mechanism for valve, 8 blowdowns
Valve, 9 valves, 10 adjustment mechanism for valve, 11 flowmeters, 12 CSRC diagnosing controllers, 13 cloud servers, 14 clients,
15 base tubes, 16 first fluid passages, 17 first fin, 18 second fin, 19 second fin, 20 first waists, 21 second
Waist, 22 bases, 23 holes, 24 second fluid passages.
Embodiment
The embodiment to the present invention is described in detail below in conjunction with the accompanying drawings.
Herein, if without specified otherwise, being related to formula, "/" represents division, and "×", " * " represent multiplication.
A kind of boiler thermodynamic system, the boiler thermodynamic system includes at least one boiler, for producing steam, the pot
Stove carries out data cube computation with monitoring and diagnosis controller 12, so that the operation to boiler is monitored.The monitoring and diagnosis controller
12 with the data cube computation of cloud server 13, so as to by the data transfer of monitoring to cloud server, cloud server 13 and client
End 14 is connected, the various information that client 14 can be monitored by cloud server.
Preferably, client can control the operation of steam generator system with input data.
As shown in figure 1, the boiler includes automatically controlling drainage, the drainage that automatically controls is produced according to boiler
Raw quantity of steam and the water of input boiler are automatically controlled.If the ratio between quantity of steam and the water for inputting boiler is small
In lower numerical limit, then monitoring and diagnosis controller 12 automatically controls reduction blowdown flow rate.If quantity of steam with input boiler water it
Between ratio be more than limit value, then monitoring and diagnosis controller 12 automatically control increase blowdown flow rate.Specific control system is as follows：
As shown in figure 1, the boiler includes flowmeter 3, pressure gauge 4 and the thermometer 5 being arranged on steam (vapor) outlet pipeline, it is used for
Flow velocity, the pressure and temperature of measurement output steam.The flowmeter 3, pressure gauge 4 and thermometer 5 respectively with monitoring and diagnosis control
Device 12 carry out data cube computation, so as to by the data transfer of measurement to monitoring and diagnosis controller 12, the root in monitoring and diagnosis controller
According to the vapor (steam) temperature of measurement, pressure, the quality of steam of flow relocity calculation unit interval.
The boiler includes setting blowoff valve 8, blowoff valve 8 one on the blow-off pipe for being arranged on the lower end of boiler-steam dome 1, blow-off pipe
Connecting valve adjusting means 7 is held, adjustment mechanism for valve 7 carries out data cube computation with monitoring and diagnosis controller 20, so as to which valve is opened
Degrees of data passes to monitoring and diagnosis controller 20, while receiving instruction from monitoring and diagnosis controller 20, adjusts opening for blowoff valve 8
Degree.
Further comprise flowmeter 11 on the blow-off pipe, measure the flow of blowdown.The flowmeter 11 and monitoring and diagnosis
Controller 20 carries out data cube computation, to pass data to monitoring and diagnosis controller 20.Monitoring and diagnosis controller 20 is according to stream
Gauge calculates the blowdown flow rate of unit interval, so as to calculate blowdown quality.Blowdown quality can be using the close of the sewer of experience
Spend to calculate, specifically the data stored in controller 20 can also be called to calculate by measuring blowdown temperature water quality.
Flowmeter is set on the water inlet manifold of the boiler, for detect enter boiler in flow, the flowmeter with
Monitoring and diagnosis controller 20 carry out data cube computation, so as to by the data transfer of measurement to monitoring and diagnosis controller 20, monitoring and diagnosis
Controller 20 enters the flow of the water of boiler according to the flow rate calculation unit interval of measurement, so as to calculate the quality of water outlet.Water
Quality can be calculated using the density of water, specifically can also call the number stored in controller 20 by measuring the temperature of water
According to calculating.
Certainly, into boiler water be both circulating water pipe and filling pipe water summation.Preferably, can be in moisturizing
Set respectively on pipe and circulating water pipe with the flowmeter of the data cube computation of monitoring and diagnosis controller 20, by both calculate flows it
With, thus the unit of account time enter the total water of boiler.The present invention can be using various control strategy come control of sewage disposal amount.
One preferred control strategy is：The quality of steam that monitoring and diagnosis controller 20 is calculated and the quality of the water of input boiler
Ratio be less than lower limit, then show that blowdown rate is too high, thus monitoring and diagnosis controller 20 pass through adjustment mechanism for valve 7 automatically adjust
The aperture of small blowoff valve 8.By aforesaid operations, blowdown can be avoided excessive, cause the waste of the energy.If quality of steam with it is defeated
The ratio for entering the quality of the water of boiler is more than higher limit, then shows that blowdown rate is too low, may influence the life-span of boiler, then monitor
Diagnosing controller 20 improves the aperture of blowoff valve 8 by adjustment mechanism for valve 7 automatically.
Monitoring and diagnosis controller 20 passes quality of steam, the quality and its ratio that input boiler water, the aperture of blowoff valve 39
Cloud server 13 is sent to, cloud server 13 is by above-mentioned data transfer to client 14.
Client 14 can input the numerical value of the aperture of blowoff valve 8 according to obtained data, be passed by cloud server 13
Monitoring and diagnosis controller 20 is passed, the aperture of blowoff valve is adjusted by monitoring and diagnosis controller manually.
Preferably, in the case that if the aperture of blowoff valve 8 were maximum, quality of steam and the quality of the water of input boiler
Ratio is still more than higher limit, then client can give a warning, and points out whether drainage breaks down.
If preferably, in the case of the closing of blowoff valve 8, the ratio of quality of steam and the quality of the water of input boiler
Still it is less than lower limit, then client can give a warning, points out whether drainage breaks down.
One preferred control strategy be the water for the blowdown that monitoring and diagnosis controller 20 is detected by flowmeter 11 quality with
When the ratio for inputting the quality of the water of boiler exceedes the upper limit, then show that blowdown flow rate is excessive, therefore monitoring and diagnosis controller 20 passes through
Adjustment mechanism for valve 7 turns the aperture of blowoff valve 8 down automatically.If the quality of the water of the blowdown of detection and the matter of the water of input boiler
When the ratio of amount exceedes lower limit, then show that blowdown flow rate is too small, therefore monitoring and diagnosis controller 20 is automatic by adjustment mechanism for valve 7
Tune up the aperture of blowoff valve 8.By in this way, avoid the water quality in drum too poor, in order to avoid cause the corrosion of boiler-steam dome.
Monitoring and diagnosis controller 20 is by the quality of the water of blowdown, the quality for the water for inputting boiler and its ratio, blowoff valve 8
Aperture is sent to cloud server 13, and cloud server 13 is by above-mentioned data transfer to client 14.
Client 14 can input the numerical value of the aperture of blowoff valve 8 according to obtained data, be passed by cloud server 13
Monitoring and diagnosis controller 20 is passed, the aperture of blowoff valve is adjusted by monitoring and diagnosis controller 20 manually.
In the case that if the aperture of blowoff valve were maximum, the ratio of the quality and the quality of the water of input boiler of the water of blowdown
Still it is less than lower limit, then client can give a warning；
If in the case of the closing of blowoff valve, the ratio of the quality of water of the quality of the water of blowdown with inputting boiler is still more than
Higher limit, then client can give a warning.
One preference policy, the drum 1 also includes Water Test Kits 6, to measure the water quality in drum.The water quality point
Analyzer 6 carries out data cube computation with monitoring and diagnosis controller 20, to receive the data of measurement, according to the data of measurement to blowoff valve
8 carry out aperture control.If the as shown by data water quality of measurement is excessively poor, such as a certain index exceeds the data upper limit, then needs to carry out
Timely blowdown, therefore monitoring and diagnosis controller 20 tunes up the aperture of blowoff valve 8 by adjustment mechanism for valve 7 automatically.If measurement
As shown by data water quality it is good, then monitoring and diagnosis controller 20 turns the aperture of blowoff valve 8 down by adjustment mechanism for valve 7 automatically.Must
Even blowoff valve can be closed in the case of wanting.
The aperture of the water quality data measured in drum, blowoff valve 8 is sent to cloud server by monitoring and diagnosis controller 20
13, cloud server 13 is by above-mentioned data transfer to client 14.
Client 14 can input the numerical value of the aperture of blowoff valve 8 according to obtained data, be passed by cloud server 13
Monitoring and diagnosis controller 20 is passed, the aperture of blowoff valve is adjusted by monitoring and diagnosis controller 20 manually.
One preference policy, sets Water Test Kits on blow-off line（It is not shown）, to measure the water in blow-off pipe
Matter.The Water Test Kits carries out data cube computation with monitoring and diagnosis controller 20, to receive the data of measurement, according to measurement
Data carry out aperture control to blowoff valve.If the as shown by data water quality of measurement is excessively poor, such as a certain index exceeds the data upper limit,
Then need to carry out timely blowdown, therefore monitoring and diagnosis controller 20 tunes up opening for blowoff valve 8 automatically by adjustment mechanism for valve 7
Degree.If the as shown by data water quality of measurement is good, monitoring and diagnosis controller 20 turns blowoff valve down automatically by adjustment mechanism for valve 7
8 aperture.Even blowoff valve can be closed in the case of necessity.
The aperture of the water quality data measured in blow-off pipe, blowoff valve 8 is sent to cloud service by monitoring and diagnosis controller 20
Device 13, cloud server 13 is by above-mentioned data transfer to client 14.
Client 14 can input the numerical value of the aperture of blowoff valve 8 according to obtained data, be passed by cloud server 13
Monitoring and diagnosis controller 20 is passed, the aperture of blowoff valve is adjusted by monitoring and diagnosis controller 20 manually.
Preferably, waste heat utilization heat exchanger 2 is connected on the blow-off line, to make full use of the heat of sewage.Change
The low-temperature receiver inlet tube of hot device 2 sets valve 9, and the valve 9 is connected with adjustment mechanism for valve 10, adjustment mechanism for valve 10 and monitoring
Diagnosing controller 20 carries out data cube computation, so as to by simultaneously the aperture data transfer of valve 9 is to monitoring and diagnosis controller 20 and connects
The instruction of monitored diagnosing controller 20.If the blowdown flow rate increase that monitoring and diagnosis controller 20 is measured, monitoring and diagnosis control
Device 20 increases the aperture of valve 9 by adjustment mechanism for valve 10, to increase the low-temperature receiver amount into heat exchanger 2, keeps heat exchanger 2 defeated
The temperature of the low-temperature receiver gone out is constant, while avoiding low-temperature receiver from overheating.If the blowdown flow rate that monitoring and diagnosis controller 20 is measured is reduced, supervise
The aperture that diagnosing controller 20 reduces valve 9 by adjustment mechanism for valve 10 is controlled, to reduce the low-temperature receiver amount into heat exchanger 2, is protected
The temperature for holding the low-temperature receiver of the output of heat exchanger 2 is constant, while avoiding low-temperature receiver heating effect too poor.Preferably, the heat exchanger 2 can
It is multiple to set.
The aperture of the valve 9 of measurement, the aperture data of blowoff valve 8 are sent to cloud server by monitoring and diagnosis controller 20
13, cloud server 13 is by above-mentioned data transfer to client 14.
Client 14 can input the numerical value of the aperture of valve 9 according to obtained data, be transmitted by cloud server 13
To monitoring and diagnosis controller 20, the aperture of blowoff valve is adjusted by monitoring and diagnosis controller 20 manually.
As preference policy, monitoring and diagnosis controller 20 can be by calculating quality of steam and blowdown quality sum and input
The ratio of the quality of the water of boiler calculates the water loss of boiler.If the water loss calculated exceedes the upper limit, monitoring and diagnosis control
Device 20 then sends alarm.
Monitoring and diagnosis controller 20 by quality of steam, blowdown quality, input boiler water quality and its quality of steam with
The ratio data of blowdown quality sum and the quality of the water of input boiler is sent to cloud server 13, and cloud server 13 will be upper
Data transfer is stated to client 14.
If the water loss calculated exceedes the upper limit, client 13 then sends alarm.
As preference policy, water-level gauge is set in drum 1（It is not shown）, the water-level gauge and monitoring and diagnosis controller 20
Data cube computation is carried out, so as to which measurement data is passed into monitoring and diagnosis controller 20.Monitoring and diagnosis controller 20 is according to measurement
The height of water level change of data unit of account time, so as to calculate the mass change of the water unit interval in drum 1.Monitoring is examined
Disconnected controller 20 adjusts the aperture of blowoff valve 8 according to the change of steam production, the water of boiler input and drum water.
If the quality of steam that monitoring and diagnosis controller 20 is calculated is plus the mass change sum and the water of input boiler of the water of boiler-steam dome 1
The ratio of quality be less than certain numerical value, then show that blowdown rate is too high, therefore monitoring and diagnosis controller 20 is filled by valve regulated
Put the 7 automatic apertures for turning blowoff valve 8 down.By aforesaid operations, blowdown can be avoided excessive, cause the waste of the energy.By increasing
Plus steam water-level detection, further increase measurement data it is accurate.
Monitoring and diagnosis controller 20 produces the mass change of the water unit interval in the water level of measurement, drum 1, steam
The mass change sum and the matter of the water of input boiler of amount, the water of boiler input and quality of steam plus the water of boiler-steam dome 1
The ratio data of amount is sent to cloud server 13, and cloud server 13 is by above-mentioned data transfer to client 14.
Client 14 can input the numerical value of the aperture of valve 9 according to obtained data, be transmitted by cloud server 13
To monitoring and diagnosis controller 20, the aperture of blowoff valve is adjusted by monitoring and diagnosis controller 20 manually.
As preference policy, monitoring and diagnosis controller 20 can by calculate quality of steam, the variable quality of drum water with
Blowdown quality three sum calculates the water loss of boiler with the ratio of the quality of the water of input boiler.If the water loss calculated
More than the upper limit, monitoring and diagnosis controller 20 then sends alarm.
Monitoring and diagnosis controller 20 is by quality of steam, the variable quality of drum water and blowdown quality and its quality of steam, vapour
Bao Shui variable quality and the ratio data of blowdown quality three sum and the quality of the water of input boiler are sent to cloud service
Device 13, cloud server 13 is by above-mentioned data transfer to client 14.
If the water loss calculated exceedes the upper limit, client 13 then sends alarm.
Preferably, setting the temperature of measurement drum reclaimed water and the device of drum pressure, described device and monitoring and diagnosis control
The data cube computation of device 20 processed, monitoring and diagnosis controller 20 calculates the mass change of drum reclaimed water according to the temperature and pressure of measurement.It is logical
The quality of excess temperature and calculation of pressure water so that result is more accurate.
The temperature of drum reclaimed water and drum pressure data are sent to cloud server 13, high in the clouds by monitoring and diagnosis controller 20
Server 13 is by above-mentioned data transfer to client 14.
Preferably, the device of measurement vapor (steam) temperature and pressure is set in drum, described device and monitoring and diagnosis controller
20 data cube computations, monitoring and diagnosis controller 20 is calculated in drum according to height of water level in the temperature and pressure and drum of measurement
The quality of steam.So, in calculating above, according to the mass change of steam, the quality of output steam and drum in drum
The size of the conjunction of the mass change three of reclaimed water and the ratio of the quality of the water of input boiler carrys out the aperture of control of sewage disposal valve.So
So that result of calculation is more accurate.
Equally, be also required to the mass change of steam in drum, export when the loss for calculating water steam quality and
The mass change and blowdown flow rate sum of drum reclaimed water are contrasted with boiler input water.
Preferably, thermometer can be set on blow-off pipe, monitoring and diagnosis controller 20 is according to the water temperature of blowdown, water
The quality of the water of the blowdown of composition and flow relocity calculation unit interval.
Preferably, the temperature, pressure of steam and the relation data of density are prestored in monitoring and diagnosis controller 20,
To calculate quality of steam.The temperature and density relationship data of water can also be prestored, while calculating the quality of drum reclaimed water.
Relation for the temperature of sewage, composition and density is also prestored in lower monitoring and diagnosis controller 20.
Above-mentioned all measurement data and calculating data can be sent to high in the clouds by monitoring and diagnosis controller 20
Server 13, cloud server 13 is by above-mentioned data transfer to client 14.Client can obtain the letter of system operation in time
Breath.
Preferably, heat exchanger is convector.Certain sewage, which can be directly entered in convector, to be heated,
As shown in Figure 1.Certainly, after the recirculated water in radiator can also be exchanged heat by heat exchanger and sewer, it is recycled to heating
Radiator is heated.
The radiator includes upper header and lower collector pipe, and radiating tube, such as Fig. 2,3 are connected between the upper header and lower collector pipe
Shown, the radiating tube includes base tube 15 and the fin 17-19 positioned at base tube periphery, as shown in Figure 2,3, the base tube
Cross section is isosceles triangle, and the fin includes the first fin 17 and the second fin 18,19, first fin
17 stretch out from isosceles triangle drift angle, and second fin 18,19 includes two waist institutes from isosceles triangle
The multiple fin 18 extended outwardly and the multiple fin 19 stretched out from the first fin, to same direction
Second fin 18,19 of extension is parallel to each other, for example, as illustrated, from the second waist of isosceles triangle 21（The waist on the left side）To
Second fin 18,19 of outer extension is parallel to each other, from the first waist of isosceles triangle 20（Waist on the right of i.e.）Stretched out
Two fin 18,19 are parallel to each other, and first fin 17, the end of the second fin 18,19 extension form the second isosceles
Triangle, as shown in Fig. 2 the length of the waist of the second isosceles triangle is S；The inside of base tube 15 sets first fluid passage
16, the inside of the first fin 17 sets second fluid passage 24, and the first fluid passage 17 and second fluid passage connect
Logical 24.For example, as described in Figure 2, in the connection of isosceles triangle corner position.
General radiating tube is all surrounding or both sides set fin, but is found in engineering, one contacted with wall
Generally heat convection effect is bad for the fin of side, because relatively poor, therefore this hair that air flows in wall side
It is bright that isosceles triangle base 22 is set to plane, therefore when fin is installed, can be directly close with wall by plane
Contact, compared with other radiators, can greatly save installing space, it is to avoid the waste in space, while taking special dissipate
Backing form, it is ensured that meet optimal radiating effect.
Preferably, second fin 18,19 is relative to the face specular where the center line of the first fin 17, i.e.,
Relative to the face specular where the line at the midpoint where the summit and base of isosceles triangle.
Preferably, the second fin extends perpendicular to two waists of the second isosceles triangle.
In the case that the length on the side of isosceles triangle is certain, the first fin 17 and the second fin 18,19 are longer, then
Heat transfer effect is better in theory, is found in process of the test, when the first fin and the second fin reach certain length
Wait, then heat transfer effect just increases very unobvious, be primarily due to, with the first fin and the increase of the second fin length, dissipating
The temperature of backing end is also more and more lower, with temperature reduction to a certain extent, then heat transfer effect can be caused unobvious, opposite to go back
Add the cost of material and considerably increase the space occupied of radiator, meanwhile, in heat transfer process, if the second radiating
Spacing between piece is too small, also easily causes the deterioration of heat transfer effect, because with the increase of radiating length of tube, air rose
Boundary layer is thickening in journey, and boundary layer mutually coincides between causing abutting fins, deteriorates heat transfer, and radiating length of tube is too low or the
Spacing between two fin causes heat exchange area to reduce very much greatly, have impact on the transmission of heat, therefore in the second adjacent radiating
The distance of piece, the length of side of isosceles triangle, between the length and heat sink length of the first fin and the second fin
Meet the size relationship of an optimization.
Therefore, the present invention optimal is dissipated by what thousands of test datas of multiple various sizes of radiators were summed up
The dimensionally-optimised relation of hot device.
The distance of described the second adjacent fin is L1, and the base length of the isosceles triangle is W, described second
The length of the waist of isosceles triangle is S, and the relation of above-mentioned three meets equation below：
L1/S*100=A*Ln (L1/W*100)+B* (L1/W)+C, wherein Ln is logarithmic function, and A, B, C are coefficient, 0.68<A<
0.72,22<B<26,7.5<C<8.8；
0.09<L1/S<0.11,0.11<L1/W<0.13
4mm<L1<8mm
40mm <S<75mm
45mm <W<85mm
The drift angle of isosceles triangle is a, 110 °<a<160°.
Preferably, base tube length is L, 0.02<W/L<0.08,800mm<L<2500mm.
Preferably, A=0.69, B=24.6, C=8.3.
It should be noted that adjacent second fin apart from L1 be counted since the center of the second fin away from
From as shown in Figure 1.
By being tested again after result of calculation, by calculating the numerical value on border and median, the result of gained is basic
Upper to be matched with formula, error is substantially within 3.54%, and maximum relative error is no more than 3.97%, and mean error is
2.55%。
It is preferred that, the distance of described the second adjacent fin is identical.
Preferably, the width of the first fin is greater than the width of the second fin.
It is preferred that, the width of the first fin is b1, and the width of the second fin is b2, wherein 2.2*b2<b1<3.1*
b2;
Preferably, 0.9mm<b2<1mm,2.0mm<b1<3.2mm.
Preferably, the width of second fluid passage is 0.85-0.95 times of the width of the second fin, it is preferably
0.90-0.92 times.
Width b1, b2 herein refers to the mean breadth of fin.
It is preferred that, the providing holes 23 on the first and/or second fin, for destroying laminar sublayer.Main cause is
Two fin are mainly exchanged heat by the convection current of air, and air carries out the stream of free convection from the bottom up of the second fin
Dynamic, during air flows upwards, the thickness in boundary layer constantly becomes big, in addition finally result in adjacent second fin it
Between boundary layer overlapped, such a situation can cause heat exchange deterioration.Therefore boundary layer can be destroyed by providing holes 9,
So as to augmentation of heat transfer.
It is preferred that, the shape in hole 23 is semicircle or circular.
It is preferred that, the whole fin of the insertion of hole 23.
As one preferably, along the direction of the flowing of air, i.e., from the bottom of radiator to the top of radiator, hole 23
Area constantly increase.Main cause is that, along the direction of the flowing of air, the thickness in boundary layer constantly increases, therefore logical
The area for setting and being continuously increased hole 23 is crossed, can constantly to increase the destructiveness in boundary layer, so that augmentation of heat transfer.
It is preferred that, the hole 23 of maximum area is 1.25-1.37 times of minimum area, preferably 1.32 times.
As one preferably, along the direction of the flowing of air, i.e., from the bottom of radiator to the top of radiator, hole 23
Density（That is quantity）Constantly increase.Main cause is that, along the direction of the flowing of air, the thickness in boundary layer constantly increases
Greatly, therefore by setting the density in ever-increasing hole 23, it can constantly to increase the destructiveness in boundary layer, so that
Augmentation of heat transfer.
It is preferred that, the most close local density of hole 23 is 1.26-1.34 times of most thin local density, preferably 1.28
Times.
As one preferably, on same second fin, from fin root（I.e. with the connecting portion of base tube 15）To radiating
Between piece top, the area in each hole 239 constantly diminishes.Main cause is the temperature of fin from fin root to fin top
Degree constantly declines, therefore the thickness in boundary layer is constantly reduced, the area in the hole 23 by setting change, it is possible to achieve destruction
The thickness of the diverse location in boundary layer, so as to save material.
It is preferred that, the PTAT example relation in the change and fin of the area in hole 23.
As one preferably, on same second fin, from fin root（I.e. with the connecting portion of base tube 1）To fin
Between top, the density in hole 23 is constantly reduced.Main cause is that, from fin root to fin top, the temperature of fin is continuous
Decline, therefore the thickness in boundary layer is constantly reduced, the density in the hole 23 by setting change, it is possible to achieve destruction boundary layer
The thickness of diverse location, so as to save material.
It is preferred that, the PTAT example relation in the change and fin of the density in hole 23.
It is preferred that, for the width b2 between the second fin it is changed according to certain rule, specific rule is
From the base angle of isosceles triangle to drift angle, the width of the second fin 18 extended from two waists of isosceles triangle is increasingly
Greatly, from the drift angle of isosceles triangle to the end of the first fin 17, the second fin 19 extended from the first fin 18 is wide
Degree is less and less.Main cause is the second fin set in waist, and heat dissipation capacity gradually increases from base angle to drift angle, therefore is needed
Increase the area of radiating, therefore increase the area of dissipation of fin by increasing the width of fin.Similarly, along first
Fin 18, from bottom to end, the quantity of radiating is fewer and fewer, therefore the corresponding area for reducing fin.By such
Set, radiating efficiency can be greatly improved, while greatly saving material.
Preferably, from the base angle of isosceles triangle to drift angle, the second radiating extended from two waists of isosceles triangle
The increased amplitude of the width of piece 18 is increasing, from the drift angle of isosceles triangle to the end of the first fin 17, from the first radiating
The amplitude for the width reduction of the second fin 19 that piece 17 extends is less and less.It is found through experiments that, by above-mentioned setting, with increase
Or reduction amplitude is identical compares, it is possible to increase about 16% radiating effect.Therefore with good radiating effect.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore protection scope of the present invention should
It is defined when by claim limited range.
Claims (3)
1. a kind of steam generator system according to steam-water ratio automatic pollution discharge, including central diagnosis monitor and boiler, the boiler include
Flowmeter, pressure gauge and thermometer on steam (vapor) outlet pipeline are arranged on, flow velocity, pressure and temperature for measuring output steam
Degree；The flowmeter, pressure gauge and thermometer carry out data cube computation with monitoring and diagnosis controller respectively, so as to by the data of measurement
Monitoring and diagnosis controller is passed to, when in monitoring and diagnosis controller according to the vapor (steam) temperature of measurement, pressure, flow relocity calculation unit
Between quality of steam；
The boiler includes setting blowoff valve, the connection of blowoff valve one end on the blow-off pipe for being arranged on boiler-steam dome lower end, blow-off pipe
Adjustment mechanism for valve, adjustment mechanism for valve carries out data cube computation with monitoring and diagnosis controller, so as to which blowdown valve opening data are passed
Monitoring and diagnosis controller is passed, while receiving instruction from monitoring and diagnosis controller, the aperture of blowoff valve is adjusted；
Flowmeter is set on the water inlet manifold of the boiler, for detecting the flow entered in boiler, the flowmeter and monitoring
Diagnosing controller carries out data cube computation, to give monitoring and diagnosis controller, monitoring and diagnosis controller root by the data transfer of measurement
Enter the quality of the water of boiler according to the flow rate calculation unit interval of measurement；
If the ratio between the quality of steam of monitoring and diagnosis controller detection and the quality of the water of input boiler is less than lower limit number
Value, then monitoring and diagnosis controller reduces the aperture of blowoff valve by adjustment mechanism for valve automatically, if quality of steam and input pot
Ratio between the quality of the water of stove is more than limit value, then monitoring and diagnosis controller passes through the adjustment mechanism for valve row of tuning up automatically
The aperture of dirty valve.
2. steam generator system as claimed in claim 1, it is characterised in that if in the case that the aperture of blowoff valve is maximum, steam
The ratio of quality and the quality of the water of input boiler is still more than higher limit, then client can give a warning.
3. steam generator system as claimed in claim 1, it is characterised in that if in the case of the closing of blowoff valve, quality of steam
Still it is less than lower limit with the ratio of the quality for the water for inputting boiler, then client can give a warning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540470.0A CN107218590B (en) | 2015-09-21 | 2015-09-21 | According to the boiler system of steam-water ratio automatic pollution discharge |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510602933.2A CN105135407B (en) | 2015-09-21 | 2015-09-21 | According to the cloud observing and controlling steam generator system of blowdown ratio automatic pollution discharge |
| CN201710540470.0A CN107218590B (en) | 2015-09-21 | 2015-09-21 | According to the boiler system of steam-water ratio automatic pollution discharge |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510602933.2A Division CN105135407B (en) | 2015-09-21 | 2015-09-21 | According to the cloud observing and controlling steam generator system of blowdown ratio automatic pollution discharge |
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| Publication Number | Publication Date |
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| CN107218590A true CN107218590A (en) | 2017-09-29 |
| CN107218590B CN107218590B (en) | 2018-09-18 |
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| CN201510602933.2A Expired - Fee Related CN105135407B (en) | 2015-09-21 | 2015-09-21 | According to the cloud observing and controlling steam generator system of blowdown ratio automatic pollution discharge |
| CN201710540470.0A Expired - Fee Related CN107218590B (en) | 2015-09-21 | 2015-09-21 | According to the boiler system of steam-water ratio automatic pollution discharge |
| CN201710540469.8A Expired - Fee Related CN107270272B (en) | 2015-09-21 | 2015-09-21 | According to the boiler system of blowdown flow rate and carrying capacity automatic pollution discharge |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710540469.8A Expired - Fee Related CN107270272B (en) | 2015-09-21 | 2015-09-21 | According to the boiler system of blowdown flow rate and carrying capacity automatic pollution discharge |
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Families Citing this family (14)
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| CN109058970B (en) * | 2017-05-22 | 2020-04-17 | 中北大学 | Intelligent control boiler system with variable spacing of slitting heat exchange parts |
| CN109253441B (en) * | 2017-05-22 | 2021-03-09 | 中北大学 | Intelligent control's steam boiler system |
| CN106989379B (en) * | 2017-05-22 | 2018-07-06 | 中北大学 | A kind of steam boiler system of intelligent control blowing time |
| CN107101190B (en) * | 2017-06-05 | 2018-06-19 | 中北大学 | A kind of boiler system of cloud computing blowdown reference data |
| CN108980809B (en) * | 2017-06-05 | 2019-07-23 | 中北大学 | According to the cloud computing boiler system of steam-water ratio auto-control blowdown |
| CN107062191B (en) * | 2017-06-12 | 2018-08-17 | 中北大学 | A kind of boiler system of intelligent storage blowdown data |
| CN109373306A (en) * | 2017-06-12 | 2019-02-22 | 中北大学 | The boiler system changed according to pH value intelligent control blowdown speed law |
| CN107289441B (en) * | 2017-07-18 | 2018-08-14 | 中北大学 | A kind of boiler system of cloud computing intelligent storage blowdown data |
| CN107218589B (en) * | 2017-07-18 | 2019-02-22 | 中北大学 | A kind of boiler system automatically controlling the blowdown of cloud computing pH value |
| CN107289439B (en) * | 2017-07-18 | 2018-08-14 | 中北大学 | The boiler system of cloud computing intelligent control of sewage disposal time |
| CN107289440B (en) * | 2017-07-18 | 2019-02-22 | 中北大学 | A kind of boiler system of cloud computing intelligent control of sewage disposal speed |
| CN109812794B (en) * | 2019-01-30 | 2020-09-08 | 新奥数能科技有限公司 | Method and device for setting boiler pollution discharge time interval |
| CN114777498A (en) * | 2022-03-23 | 2022-07-22 | 北京首钢股份有限公司 | Blow-down device of vaporization cooling system of steel rolling heating furnace |
| CN116412350B (en) * | 2023-03-15 | 2024-04-02 | 湖北清江水电开发有限责任公司 | Automatic sewage draining system and sewage draining method for air storage tank |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107270272B (en) | 2018-09-14 |
| CN105135407A (en) | 2015-12-09 |
| CN107218590B (en) | 2018-09-18 |
| CN107270272A (en) | 2017-10-20 |
| CN105135407B (en) | 2017-10-24 |
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