CN105135406B - According to the intelligent monitoring steam generator system of steam water-level dynamic calculation water loss - Google Patents

According to the intelligent monitoring steam generator system of steam water-level dynamic calculation water loss Download PDF

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Publication number
CN105135406B
CN105135406B CN201510602552.4A CN201510602552A CN105135406B CN 105135406 B CN105135406 B CN 105135406B CN 201510602552 A CN201510602552 A CN 201510602552A CN 105135406 B CN105135406 B CN 105135406B
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CN
China
Prior art keywords
monitoring
water
quality
diagnosis controller
steam
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Expired - Fee Related
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CN201510602552.4A
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CN105135406A (en
Inventor
孙福振
李业刚
赵炜
张雪原
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Shandong University of Technology
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Shandong University of Technology
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Priority to CN201710540490.8A priority Critical patent/CN107314362B/en
Priority to CN201510602552.4A priority patent/CN105135406B/en
Priority to CN201710540475.3A priority patent/CN107270273B/en
Publication of CN105135406A publication Critical patent/CN105135406A/en
Application granted granted Critical
Publication of CN105135406B publication Critical patent/CN105135406B/en
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B35/00Control systems for steam boilers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/02Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/56Boiler cleaning control devices, e.g. for ascertaining proper duration of boiler blow-down
    • F22B37/565Blow-down control, e.g. for ascertaining proper duration of boiler blow-down
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22STEAM GENERATION
    • F22BMETHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00Component parts or details of steam boilers
    • F22B37/02Component parts or details of steam boilers applicable to more than one kind or type of steam boiler
    • F22B37/48Devices for removing water, salt, or sludge from boilers; Arrangements of cleaning apparatus in boilers; Combinations thereof with boilers
    • F22B37/54De-sludging or blow-down devices

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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)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

The invention provides a kind of steam generator system, monitoring and diagnosis controller calculates the water loss of boiler by calculating quality of steam, the variable quality of drum water and blowdown quality three sum with the ratio of the quality of the water of input boiler;The monitoring and diagnosis controller and cloud server data cube computation, so as to the data that, to cloud server, cloud server is connected with client by the data transfer of monitoring, and client can be monitored by cloud server.Client of the present invention can grasp the running situation of boiler water loss in time, it is possible in time by client, prevent due to the substantial amounts of thermal waste that boiler water loss is caused.

Description

According to the intelligent monitoring steam generator system of steam water-level dynamic calculation water loss
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 is taken above-mentioned dynamic relationship by monitoring the water loss rate of every boiler in real time by high in the clouds in real time Business device sends client to, and client can grasp boiler blow-out system running situation in time, it is possible to pass through client in time The adjustment of parameters sewage is carried out, is prevented due to the substantial amounts of thermal waste that boiler blow-out 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 flowmeter, pressure gauge and the thermometer being arranged on steam (vapor) outlet pipeline, for measuring output Flow velocity, the pressure and temperature of steam;The flowmeter, pressure gauge and thermometer carry out data company with monitoring and diagnosis controller respectively Connect, to give monitoring and diagnosis controller by the data transfer of measurement, 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 further comprising flowmeter on the blow-off pipe for being arranged on boiler-steam dome lower end, the blow-off pipe, Measure the flow of blowdown;The flowmeter carries out data cube computation with monitoring and diagnosis controller, is examined to pass data to monitoring Disconnected controller, monitoring and diagnosis controller calculates the blowdown quality of unit interval according to flowmeter;
Flowmeter is set on the water inlet manifold of the boiler, for detect enter boiler in flow, the flowmeter with Monitoring and diagnosis controller carries out data cube computation, to give monitoring and diagnosis controller, monitoring and diagnosis control by the data transfer of measurement Device enters the quality of the water of boiler according to the flow rate calculation unit interval of measurement;
Water-level gauge is set in drum, and the water-level gauge carries out data cube computation with monitoring and diagnosis controller, to measure number According to monitoring and diagnosis controller is passed to, the water level that monitoring and diagnosis controller 20 calculates the drum unit interval according to the data of measurement is high Degree change, so as to calculate the mass change of the unit interval water in drum;
Monitoring and diagnosis controller by calculate quality of steam, the variable quality of drum water and blowdown quality three sum with it is defeated The ratio for entering 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 processed then sends alarm;
The monitoring and diagnosis controller and cloud server data cube computation, so as to by the data transfer of monitoring to cloud service Device, cloud server is connected with client, the data that client can be monitored by cloud server.
Preferably, data below is sent to cloud server by prison monitoring and diagnosis controller:
Quality of steam, the variable quality of drum water, blowdown quality, the quality of the water of input boiler;
Quality of steam, the variable quality of drum water and blowdown quality three's sum;
The ratio of quality of steam, the variable quality of drum water and blowdown quality three sum and the quality of the water of input boiler Value;
Cloud server is by above-mentioned data transfer to client;
If the water loss calculated exceedes the upper limit, client then sends alarm.
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)Above-mentioned dynamic relationship is passed through cloud service by the present invention in real time by monitoring the water loss amount of boiler in real time Device sends client to, and client can grasp steam generator system running situation in time, prevents from causing because boiler water loss is excessive Substantial amounts of thermal waste.
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 Blowoff valve, 9 valves, 10 adjustment mechanism for valve, 11 flowmeters, 12 CSRC diagnosing controllers, 13 cloud servers, 14 clients End, 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, Flow velocity, pressure and temperature for measuring output steam.The flowmeter 3, pressure gauge 4 and thermometer 5 respectively with monitoring and diagnosis Controller 12 carry out data cube computation, so as to by the data transfer of measurement to monitoring and diagnosis controller 12, in monitoring and diagnosis controller It is middle 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 lower limit less than certain numerical value, then show that blowdown rate is too high, therefore monitoring and diagnosis controller 20 passes through Adjustment mechanism for valve 7 turns the aperture of blowoff valve 8 down automatically.By aforesaid operations, blowdown can be avoided excessive, cause the wave of the energy Take.By increase steam water-level detect, 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 (2)

1. a kind of steam generator system, including monitoring and diagnosis controller and boiler,
The boiler includes flowmeter, pressure gauge and the thermometer being arranged on steam (vapor) outlet pipeline, for measuring output steam Flow velocity, pressure and temperature;The flowmeter, pressure gauge and thermometer carry out data cube computation with monitoring and diagnosis controller respectively, To give monitoring and diagnosis controller by the data transfer of measurement, according to the vapor (steam) temperature of measurement, pressure in monitoring and diagnosis controller Power, the quality of steam of flow relocity calculation unit interval;
The boiler includes further comprising flowmeter on the blow-off pipe for being arranged on boiler-steam dome lower end, the blow-off pipe, measures The flow of blowdown;The flowmeter carries out data cube computation with monitoring and diagnosis controller, to pass data to monitoring and diagnosis control Device processed, monitoring and diagnosis controller calculates the blowdown quality of unit interval according to flowmeter;
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;
Water-level gauge is set in drum, and the water-level gauge carries out data cube computation with monitoring and diagnosis controller, so as to which measurement data is passed Monitoring and diagnosis controller is passed, the height of water level that monitoring and diagnosis controller calculates the drum unit interval according to the data of measurement becomes Change, so as to calculate the mass change of the unit interval water in drum;
Monitoring and diagnosis controller is by calculating quality of steam, the variable quality of drum water and blowdown quality three sum and input pot The ratio of the quality of the water of stove calculates the water loss of boiler;If the water loss calculated exceedes the upper limit, monitoring and diagnosis controller Then send alarm;
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.
2. data below is sent to cloud server by steam generator system as claimed in claim 1, monitoring and diagnosis controller:
Quality of steam, the variable quality of drum water, blowdown quality, the quality of the water of input boiler;
Quality of steam, the variable quality of drum water and blowdown quality three's sum;
The ratio of quality of steam, the variable quality of drum water and blowdown quality three sum and the quality of the water of input boiler;
Cloud server is by above-mentioned data transfer to client;
If the water loss calculated exceedes the upper limit, client then sends alarm.
CN201510602552.4A 2015-09-21 2015-09-21 According to the intelligent monitoring steam generator system of steam water-level dynamic calculation water loss Expired - Fee Related CN105135406B (en)

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