CN105135407A - Cloud measurement and control boiler system automatically discharging sewage according to sewage discharging ratio - Google Patents
Cloud measurement and control boiler system automatically discharging sewage according to sewage discharging ratio Download PDFInfo
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- CN105135407A CN105135407A CN201510602933.2A CN201510602933A CN105135407A CN 105135407 A CN105135407 A CN 105135407A CN 201510602933 A CN201510602933 A CN 201510602933A CN 105135407 A CN105135407 A CN 105135407A
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- monitoring
- fin
- diagnosis controller
- water
- quality
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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
- F22B37/48—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
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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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B35/00—Control systems for steam boilers
Abstract
The invention provides a boiler system. The boiler system carries out automatic control according to the mass of discharged sewage and the amount of water input into a boiler. A monitoring diagnosis controller is in data connection with a cloud server, so that monitored data are transmitted to the cloud server, the cloud server is connected with a client side, and the client side can obtain the monitored data by means of the cloud server. By means of the client side, the sewage discharge operation condition can be mastered in time, sewage discharge parameters can be adjusted in time, and the situation that due to sewage discharge faults of the boiler, a large amount of heat wastes is avoided.
Description
Technical field
The invention belongs to field of boilers, belong to F22 field.
Background technology
Traditional boiler blow-out system comprises home server.Home server receives the information that controller sends, by the operating scheme that pre-set control programs in home server and parameter obtain, controller controls steam generator system according to the operating scheme that home server obtains and runs, and the operating scheme that namely operation of steam generator system can only obtain according to the control program preset in home server and parameter runs.But, system for field complex is changeable, when the operating scheme that home server obtains cannot meet the demand of field conditions, attendant is needed to arrive at the on-the-spot control program and the parameter that upgrade home server, so that home server is met the operating scheme of field conditions, the control program in home server and parameter cannot be adjusted neatly.
Summary of the invention
The present invention is by monitoring the blowdown flow rate of every platform boiler and generation quantity of steam in real time, obtain the dynamic relationship of blowdown flow rate and generation quantity of steam, and send real-time for above-mentioned dynamic relationship to client by cloud server, client can grasp boiler blow-out system ruuning situation in time, and the adjustment of parameters sewage can be carried out in time by client, prevent a large amount of thermal waste because boiler blow-out system fault causes.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of steam generator system, comprises monitoring and diagnosis controller and boiler,
Described boiler comprises the blow-off pipe being arranged on boiler-steam dome lower end, blow-off pipe arranges blowoff valve, blowoff valve one end connects adjustment mechanism for valve, adjustment mechanism for valve and monitoring and diagnosis controller carry out data cube computation, valve opening data are passed to monitoring and diagnosis controller, accept instruction from monitoring and diagnosis controller simultaneously, regulate the aperture of blowoff valve;
Described blow-off pipe comprises flowmeter further, measures the flow of blowdown; Described flowmeter and monitoring and diagnosis controller carry out data cube computation, data are passed to monitoring and diagnosis controller, monitoring and diagnosis controller calculates the blowdown quality of unit interval according to flowmeter;
The water inlet manifold of described boiler arranges flowmeter, for detecting the flow entered in boiler, described flowmeter and monitoring and diagnosis controller carry out data cube computation, the data of measurement are passed to monitoring and diagnosis controller, monitoring and diagnosis controller enters the quality of the water of boiler according to the flow rate calculation unit interval of measuring;
The quality of the water of the blowdown that monitoring and diagnosis controller detects exceedes in limited time with the ratio of the quality of the water of input boiler, and monitoring and diagnosis controller turns the aperture of blowoff valve down automatically by adjustment mechanism for valve; If the quality of the water of the blowdown detected exceedes lower prescribing a time limit with the ratio of the quality of the water of input boiler, monitoring and diagnosis controller tunes up the aperture of blowoff valve automatically by adjustment mechanism for valve;
Described monitoring and diagnosis controller and cloud server data cube computation, the data of monitoring are passed to cloud server, cloud server and client's side link, client can obtain the data of monitoring by cloud server.
As preferably, the aperture of the quality of the water of the quality of the water of blowdown, input boiler and ratio thereof, blowoff valve is sent to cloud server by monitoring and diagnosis controller, and above-mentioned data are passed to client by cloud server;
Client is according to the data obtained, and the numerical value of the aperture of input blowoff valve, is passed to monitoring and diagnosis controller by cloud server, carried out the aperture of manual adjustments blowoff valve by monitoring and diagnosis controller.
As preferably, if when the aperture of blowoff valve is maximum, the quality of the water of blowdown is still less than lower limit with the ratio of the quality of the water of input boiler, then client can give a warning;
If when the closedown of blowoff valve, the quality of the water of blowdown is still greater than higher limit with the ratio of the quality of the water of input boiler, then client can give a warning.
As preferably, described blow-off pipe arranges afterheat heat exchanger, described afterheat heat exchanger is convector, described radiator comprises upper header and lower collector pipe, radiating tube is connected between described upper header and lower collector pipe, described radiating tube comprises base tube and is positioned at the fin of matrix periphery, the cross section of described base tube is isosceles triangle, described fin comprises the first fin and the second fin, described first fin stretches out from isosceles triangle drift angle, described second fin comprises multiple fin of stretching from the facing epitaxy at two waist places of isosceles triangle and from the outward extending multiple fin of the first fin, the second fin extended to same direction is parallel to each other, described first fin, the end that second fin extends forms the second isosceles triangle, described substrate tube arranges first fluid passage, and described first fin inside arranges second fluid passage, described first fluid passage and second fluid channel connection.
As preferably, described second fin is relative to the face specular at the first fin center line place, and the distance of adjacent the second described fin is L1, and the base length of described isosceles triangle is W, the length of the waist of described second isosceles triangle is S, meets following formula:
L1/S*100=A*Ln (L1/W*100)+B* (L1/W)+C, wherein Ln is logarithmic function, A, B, C are coefficients, 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 ° of <a<160 °.
Compared with prior art, steam generator system of the present invention has following advantage:
1) the present invention is by monitoring the blowdown flow rate of boiler and generation quantity of steam in real time, obtain the dynamic relationship of blowdown flow rate and generation quantity of steam, and send real-time for above-mentioned dynamic relationship to client by cloud server, client can grasp boiler blow-out system ruuning situation in time, and the adjustment of parameters sewage can be carried out in time by client, prevent a large amount of thermal waste because boiler blow-out system fault causes.
2) this invention exploits a kind of heat exchanger of new UTILIZATION OF VESIDUAL HEAT IN, and its structure is optimized, reach the heat transfer effect saved most.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that drainage of the present invention controls automatically;
Fig. 2 is the main TV structure schematic diagram of a radiator of the present invention embodiment;
Fig. 3 is the main TV structure schematic diagram of a radiator of the present invention embodiment;
Fig. 4 is the schematic diagram that the right side of Fig. 2 is observed;
Fig. 5 is the sectional drawing of the fin of providing holes;
Fig. 6 is the schematic flow sheet that cloud computing of the present invention controls.
Reference numeral 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 valves, 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 waists, 22 bases, 23 holes, 24 second fluid passages.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Herein, if do not have specified otherwise, relate to formula, "/" represents division, "×", " * " represent multiplication.
A kind of boiler thermodynamic system, described boiler thermodynamic system comprises at least one boiler, and for generation of steam, described boiler and monitoring and diagnosis controller 12 carry out data cube computation, to monitor the operation of boiler.Described monitoring and diagnosis controller 12 and cloud server 13 data cube computation, the data of monitoring are passed to cloud server, cloud server 13 is connected with client 14, and client 14 can obtain the various information of monitoring by cloud server.
As preferably, client can input the operation of Data Control steam generator system.
As shown in Figure 1, described boiler comprises automatic control of sewage disposal system, and the quantity of steam that described automatic control of sewage disposal system produces according to boiler controls automatically with the water yield of input boiler.If the ratio between the water yield of quantity of steam and input boiler is less than lower numerical limit, then monitoring and diagnosis controller 12 controls to reduce blowdown flow rate automatically.If the ratio between the water yield of quantity of steam and input boiler is greater than limit value, then monitoring and diagnosis controller 12 controls to increase blowdown flow rate automatically.Concrete control system is as follows:
As shown in Figure 1, described boiler comprises the flowmeter 3 be arranged on steam (vapor) outlet pipeline, pressure gauge 4 and thermometer 5, for measuring the flow velocity, the pressure and temperature that export steam.Described flowmeter 3, pressure gauge 4 and thermometer 5 carry out data cube computation with monitoring and diagnosis controller 12 respectively, the data of measurement are passed to monitoring and diagnosis controller 12, according to vapor (steam) temperature, pressure, the quality of steam of flow relocity calculation unit interval measured in monitoring and diagnosis controller.
Described boiler comprises the blow-off pipe being arranged on boiler-steam dome 1 lower end, blow-off pipe is arranged blowoff valve 8, blowoff valve 8 one end connects adjustment mechanism for valve 7, adjustment mechanism for valve 7 and monitoring and diagnosis controller 20 carry out data cube computation, valve opening data are passed to monitoring and diagnosis controller 20, accept instruction from monitoring and diagnosis controller 20 simultaneously, regulate the aperture of blowoff valve 8.
Described blow-off pipe comprises flowmeter 11 further, measures the flow of blowdown.Described flowmeter 11 carries out data cube computation, data are passed to monitoring and diagnosis controller 20 with monitoring and diagnosis controller 20.Monitoring and diagnosis controller 20 calculates the blowdown flow rate of unit interval according to flowmeter, thus calculates blowdown quality.Blowdown quality can adopt the density of the sewer of experience to calculate, and the data also specifically can calling storage in controller 20 by measuring blowdown temperature water quality calculate.
The water inlet manifold of described boiler arranges flowmeter, for detecting the flow entered in boiler, described flowmeter and monitoring and diagnosis controller 20 carry out data cube computation, the data of measurement are passed 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 measuring, thus calculates the quality of water outlet.The quality of water can adopt the density of water to calculate, and also can specifically be called the data stored in controller 20 by the temperature measuring water and calculate.
Certainly, the water entering boiler is the water yield summation of circulating water pipe and filling pipe.As preferably, the flowmeter with monitoring and diagnosis controller 20 data cube computation can be set respectively on filling pipe and circulating water pipe, by flow sum both calculating, thus the unit of account time enter the total water yield of boiler.The present invention can adopt various control strategy to carry out control of sewage disposal amount.
A preferred control strategy is: the quality of steam that monitoring and diagnosis controller 20 calculates is less than lower limit with the ratio of the quality of the water of input boiler, then show that blowdown rate is too high, therefore the aperture of blowoff valve 8 turned automatically down by monitoring and diagnosis controller 20 by adjustment mechanism for valve 7.By aforesaid operations, blowdown can be avoided excessive, cause the waste of the energy.If quality of steam is greater than higher limit with the ratio of the quality of the water of input boiler, then shows that blowdown rate is too low, may affect the life-span of boiler, then monitoring and diagnosis controller 20 improves the aperture of blowoff valve 8 automatically by adjustment mechanism for valve 7.
The aperture of quality of steam, the quality inputting boiler water and ratio thereof, blowoff valve 39 is sent to cloud server 13 by monitoring and diagnosis controller 20, and above-mentioned data are passed to client 14 by cloud server 13.
Client 14, according to the data obtained, can input the numerical value of the aperture of blowoff valve 8, passes to monitoring and diagnosis controller 20 by cloud server 13, is carried out the aperture of manual adjustments blowoff valve by monitoring and diagnosis controller.
As preferably, if when the aperture of blowoff valve 8 is maximum, quality of steam is still greater than higher limit with the ratio of the quality of the water of input boiler, then client can give a warning, and whether prompting drainage breaks down.
As preferably, if when the closedown of blowoff valve 8, quality of steam is still less than lower limit with the ratio of the quality of the water of input boiler, then client can give a warning, and whether prompting drainage breaks down.
Preferred control strategy is that the quality of the water of the blowdown that monitoring and diagnosis controller 20 is detected by flowmeter 11 exceedes with the ratio of the quality of the water of input boiler and prescribes a time limit, then show that blowdown flow rate is excessive, therefore the aperture of blowoff valve 8 turned automatically down by monitoring and diagnosis controller 20 by adjustment mechanism for valve 7.If the quality of the water of the blowdown detected exceedes lower prescribing a time limit with the ratio of the quality of the water of input boiler, then show that blowdown flow rate is too small, therefore monitoring and diagnosis controller 20 tunes up the aperture of blowoff valve 8 automatically by adjustment mechanism for valve 7.By such setting, avoid the water quality in drum too poor, in order to avoid cause the corrosion of boiler-steam dome.
The aperture of the quality of the water of blowdown, the quality inputting the water of boiler and ratio thereof, blowoff valve 8 is sent to cloud server 13 by monitoring and diagnosis controller 20, and above-mentioned data are passed to client 14 by cloud server 13.
Client 14, according to the data obtained, can input the numerical value of the aperture of blowoff valve 8, passes to monitoring and diagnosis controller 20 by cloud server 13, is carried out the aperture of manual adjustments blowoff valve by monitoring and diagnosis controller 20.
If when the aperture of blowoff valve is maximum, the quality of the water of blowdown is still less than lower limit with the ratio of the quality of the water of input boiler, then client can give a warning;
If when the closedown of blowoff valve, the quality of the water of blowdown is still greater than higher limit with the ratio of the quality of the water of input boiler, then client can give a warning.
A preference policy, described drum 1 also comprises Water Test Kits 6, to measure the water quality in drum.Described Water Test Kits 6 carries out data cube computation with monitoring and diagnosis controller 20, to accept the data measured, the data according to measuring carry out aperture control to blowoff valve 8.If the tables of data open fire matter measured is excessively poor, such as a certain index exceeds the data upper limit, then need to carry out timely blowdown, and therefore monitoring and diagnosis controller 20 tunes up the aperture of blowoff valve 8 automatically by adjustment mechanism for valve 7.If the tables of data open fire matter measured is good, then the aperture of blowoff valve 8 turned automatically down by monitoring and diagnosis controller 20 by adjustment mechanism for valve 7.Even blowoff valve can be closed in necessary situation.
The aperture of the water quality data measured in drum, blowoff valve 8 is sent to cloud server 13 by monitoring and diagnosis controller 20, and above-mentioned data are passed to client 14 by cloud server 13.
Client 14, according to the data obtained, can input the numerical value of the aperture of blowoff valve 8, passes to monitoring and diagnosis controller 20 by cloud server 13, is carried out the aperture of manual adjustments blowoff valve by monitoring and diagnosis controller 20.
A preference policy, blow-off line arranges Water Test Kits (not shown), to measure the water quality in blow-off pipe.Described Water Test Kits and monitoring and diagnosis controller 20 carry out data cube computation, to accept the data measured, the data according to measuring carry out aperture control to blowoff valve.If the tables of data open fire matter measured is excessively poor, such as a certain index exceeds the data upper limit, then need to carry out timely blowdown, and therefore monitoring and diagnosis controller 20 tunes up the aperture of blowoff valve 8 automatically by adjustment mechanism for valve 7.If the tables of data open fire matter measured is good, then the aperture of blowoff valve 8 turned automatically down by monitoring and diagnosis controller 20 by adjustment mechanism for valve 7.Even blowoff valve can be closed in necessary situation.
The aperture of the water quality data measured in blow-off pipe, blowoff valve 8 is sent to cloud server 13 by monitoring and diagnosis controller 20, and above-mentioned data are passed to client 14 by cloud server 13.
Client 14, according to the data obtained, can input the numerical value of the aperture of blowoff valve 8, passes to monitoring and diagnosis controller 20 by cloud server 13, is carried out the aperture of manual adjustments blowoff valve by monitoring and diagnosis controller 20.
As preferably, described blow-off line connects waste heat utilization heat exchanger 2, to make full use of the heat of sewage.The low-temperature receiver inlet tube of heat exchanger 2 arranges valve 9, described valve 9 is connected with adjustment mechanism for valve 10, adjustment mechanism for valve 10 and monitoring and diagnosis controller 20 carry out data cube computation, the aperture data of valve 9 are passed to monitoring and diagnosis controller 20 and accepts the instruction of monitoring and diagnosis controller 20 simultaneously.If the blowdown flow rate that monitoring and diagnosis controller 20 is measured increases, then monitoring and diagnosis controller 20 increases the aperture of valve 9 by adjustment mechanism for valve 10, to increase the low-temperature receiver amount entering heat exchanger 2, the temperature constant of the low-temperature receiver keeping heat exchanger 2 to export, avoids low-temperature receiver overheated simultaneously.If the blowdown flow rate that monitoring and diagnosis controller 20 is measured reduces, then monitoring and diagnosis controller 20 reduces the aperture of valve 9 by adjustment mechanism for valve 10, to reduce the low-temperature receiver amount entering heat exchanger 2, the temperature constant of the low-temperature receiver keeping heat exchanger 2 to export, avoids low-temperature receiver heating effect too poor simultaneously.As preferably, described heat exchanger 2 can arrange multiple.
The aperture of the valve 9 of measurement, the aperture data of blowoff valve 8 are sent to cloud server 13 by monitoring and diagnosis controller 20, and above-mentioned data are passed to client 14 by cloud server 13.
Client 14, according to the data obtained, can input the numerical value of the aperture of valve 9, passes to monitoring and diagnosis controller 20 by cloud server 13, is carried out the aperture of manual adjustments blowoff valve by monitoring and diagnosis controller 20.
As preference policy, monitoring and diagnosis controller 20 can calculate the water loss of boiler by calculation of steam quality and blowdown quality sum with the ratio of the quality of the water of input boiler.If the water loss calculated exceedes the upper limit, monitoring and diagnosis controller 20 sends alarm.
Quality of steam, blowdown quality, the quality inputting the water of boiler and quality of steam thereof and blowdown quality sum are sent to cloud server 13 with the ratio data of the quality of the water of input boiler by monitoring and diagnosis controller 20, and above-mentioned data are passed to client 14 by cloud server 13.
If the water loss calculated exceedes the upper limit, client 13 sends alarm.
As preference policy, arrange water-level gauge (not shown) in drum 1, described water-level gauge and monitoring and diagnosis controller 20 carry out data cube computation, measurement data is passed to monitoring and diagnosis controller 20.Monitoring and diagnosis controller 20 according to the height of water level change of the data unit of account time of measuring, thus calculates the mass change of the water unit interval in drum 1.Monitoring and diagnosis controller 20 regulates the aperture of blowoff valve 8 according to steam production, the water yield of boiler input and the change of the drum water yield.If the quality of steam that monitoring and diagnosis controller 20 calculates adds that the ratio of the quality of the mass change sum of boiler-steam dome 1 water and the water of input boiler is lower than certain numerical value, then show that blowdown rate is too high, therefore the aperture of blowoff valve 8 turned automatically down by monitoring and diagnosis controller 20 by adjustment mechanism for valve 7.By aforesaid operations, blowdown can be avoided excessive, cause the waste of the energy.Detecting by increasing steam water-level, further increasing the accurate of the data of measurement.
The water yield of the mass change of the water unit interval in the water level of measurement, drum 1, steam production, boiler input and quality of steam are added that the mass change sum of boiler-steam dome 1 water is sent to cloud server 13 with the ratio data of the quality of the water of input boiler by monitoring and diagnosis controller 20, and above-mentioned data are passed to client 14 by cloud server 13.
Client 14, according to the data obtained, can input the numerical value of the aperture of valve 9, passes to monitoring and diagnosis controller 20 by cloud server 13, is carried out the aperture of manual adjustments blowoff valve by monitoring and diagnosis controller 20.
As preference policy, monitoring and diagnosis controller 20 can calculate the water loss of boiler by the variable quality of calculation of steam quality, drum water and blowdown quality three sum with the ratio of the quality of the water of input boiler.If the water loss calculated exceedes the upper limit, monitoring and diagnosis controller 20 sends alarm.
The variable quality of the variable quality of quality of steam, drum water and blowdown quality and quality of steam thereof, drum water and blowdown quality three sum are sent to cloud server 13 with the ratio data of the quality of the water of input boiler by monitoring and diagnosis controller 20, and above-mentioned data are passed to client 14 by cloud server 13.
If the water loss calculated exceedes the upper limit, client 13 sends alarm.
As preferably, arrange and measure the temperature of water and the device of drum pressure in drum, described device and monitoring and diagnosis controller 20 data cube computation, monitoring and diagnosis controller 20 calculates the mass change of water in drum according to the temperature and pressure measured.Calculated the quality of water by temperature and pressure, make result more accurate.
The temperature of water in drum and drum pressure data are sent to cloud server 13 by monitoring and diagnosis controller 20, and above-mentioned data are passed to client 14 by cloud server 13.
As preferably, arrange the device measuring vapor (steam) temperature and pressure, described device and monitoring and diagnosis controller 20 data cube computation in drum, monitoring and diagnosis controller 20, according to the temperature and pressure measured and drum middle water level height, calculates the quality of steam in drum.Like this, in calculating above, carry out the aperture of control of sewage disposal valve according to conjunction and the size of the ratio of the quality of the water of input boiler of the mass change three of water in the mass change of steam in drum, the quality exporting steam and drum.Make result of calculation more accurate like this.
Equally, also need when calculating the loss of water that the mass change of water in the mass change of steam in drum, the quality exporting steam and drum and blowdown flow rate sum and boiler are inputted the water yield to contrast.
As preferably, can on blow-off pipe set temperature meter, monitoring and diagnosis controller 20 is according to the quality of the water of the water temperature of blowdown, the composition of water and the blowdown of flow relocity calculation unit interval.
As preferably, in monitoring and diagnosis controller 20, prestore the temperature, pressure of steam and the relation data of density, so that calculation of steam quality.Also can prestore temperature and the density relationship data of water, calculate the quality of water in drum.Relation for the temperature of sewage, composition and density also prestores in lower monitoring and diagnosis controller 20.
Above-mentioned all measurement data and calculating data can deliver to cloud server 13 by monitoring and diagnosis controller 20, and above-mentioned data are passed to client 14 by cloud server 13.Client can obtain the information of system cloud gray model in time.
As preferably, heat exchanger is convector.Certain sewage directly can enter in convector and heat, as shown in Figure 1.Certainly, the recirculated water in radiator is recycled to convector and heats after also can carrying out heat exchange by heat exchanger and sewer.
Described radiator comprises upper header and lower collector pipe, radiating tube is connected between described upper header and lower collector pipe, as Fig. 2, shown in 3, described radiating tube comprises base tube 15 and is positioned at the fin 17-19 of base tube periphery, as Fig. 2, shown in 3, the cross section of described base tube is isosceles triangle, described fin comprises the first fin 17 and the second fin 18, 19, described first fin 17 is outward extending from isosceles triangle drift angle, described second fin 18, 19 comprise multiple fin 18 of stretching from the facing epitaxy at two waist places of isosceles triangle and from the outward extending multiple fin 19 of the first fin, the second fin 18 extended to same direction, 19 is parallel to each other, such as, as shown in the figure, waist from the isosceles triangle second waist 21(left side) outward extending second fin 18, 19 is parallel to each other, from the isosceles triangle first waist 20(i.e. waist on the right) outward extending second fin 18, 19 is parallel to each other, described first fin 17, second fin 18, 19 ends extended form the second isosceles triangle, as shown in Figure 2, the length of the waist of the second isosceles triangle is S, described base tube 15 inside arranges first fluid passage 16, and described first fin 17 inside arranges second fluid passage 24, described first fluid passage 17 and second fluid channel connection 24.Such as, as described in Figure 2, be communicated with at isosceles triangle corner position.
General radiating tube is all that surrounding or both sides arrange fin, but find in engineering, generally heat convection effect is bad for the fin of the side contacted with wall, because air wall side flow relatively poor, therefore isosceles triangle base 22 is set to plane by the present invention, time therefore fin is installed, can directly by plane and wall close contact, compared with other radiator, installing space can be saved greatly, avoid the waste in space, take special fin form simultaneously, ensure to meet best radiating effect.
As preferably, described second fin 18,19 relative to the face specular at the first fin 17 center line place, namely relative to the face specular at the line place of the summit of isosceles triangle and the mid point at place, base.
As preferably, the second fin extends perpendicular to two waists of the second isosceles triangle.
When the length on the limit of isosceles triangle is certain, first fin 17 and the second fin 18, 19 is longer, then heat transfer effect is better in theory, find in process of the test, when the first fin and the second fin reach certain length time, then heat transfer effect just increases very not obvious, main because along with the first fin and the increase of the second fin length, also more and more lower in the temperature of fin end, along with temperature is reduced to a certain degree, heat transfer effect then can be caused not obvious, also add the cost of material on the contrary and considerably increase the space occupied of radiator, simultaneously, in heat transfer process, if the spacing between the second fin is too little, also the deterioration of heat transfer effect is easily caused, because along with the increase of radiating tube length, in air uphill process, boundary layer is thickening, boundary layer between abutting fins is caused to overlap mutually, worsen heat transfer, spacing between too low or the second fin of radiating tube length causes too greatly heat exchange area to reduce, have impact on the transmission of heat, therefore in the distance of the second adjacent fin, the length of side of isosceles triangle, an optimized size relationship is met between the length of the first fin and the second fin and heat sink length.
Therefore, the present invention is the dimensionally-optimised relation of the radiator of the best summed up by thousands of test datas of the radiator of multiple different size.
The distance of described the second adjacent fin is L1, and the base length of described isosceles triangle is W, and the length of the waist of described second isosceles triangle is S, and the relation of above-mentioned three meets following formula:
L1/S*100=A*Ln (L1/W*100)+B* (L1/W)+C, wherein Ln is logarithmic function, A, B, C are coefficients, 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 ° of <a<160 °.
As preferably, base tube length is L, 0.02<W/L<0.08,800mm<L<2500mm.
As preferably, A=0.69, B=24.6, C=8.3.
It should be noted that, the distance L1 of adjacent second fin is the distance counted from the center of the second fin, as shown in Figure 1.
By testing after result of calculation, by the numerical value of computation bound and median, the result of gained matches with formula substantially, and error is substantially within 3.54%, and maximum relative error is no more than 3.97%, and mean error is 2.55% again.
Preferably, the distance of described the second adjacent fin is identical.
As preferably, the width of the first fin is greater than the width of the second fin.
Preferably, 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;
As preferably, 0.9mm<b2<1mm, 2.0mm<b1<3.2mm.
As preferably, the width of second fluid passage be the 0.85-0.95 of the width of the second fin doubly, be preferably 0.90-0.92 doubly.
Width b1, b2 herein refer to the mean breadth of fin.
Preferably, providing holes 23 on the first and/or second fin, for breakable layer laminar sublayer.Main cause is that the second fin carries out heat exchange mainly through the convection current of air, air upwards carries out the flowing of free convection from the bottom of the second fin, in the process of air flows upwards, the thickness in boundary layer constantly becomes large, even finally cause the boundary layer between adjacent second fin to overlap, this kind of situation can cause the deterioration of heat exchange.Therefore boundary layer can be destroyed by providing holes 9, thus augmentation of heat transfer.
Preferably, the shape in hole 23 is semicircle or circular.
Preferably, the through whole fin in hole 23.
As one preferably, along the direction of the flowing of air, the top namely from the bottom of radiator to radiator, the area in hole 23 constantly increases.Main cause is the direction of the flowing along air, and the thickness in boundary layer constantly increases, and therefore by arranging the area constantly increasing hole 23, can make constantly to increase the destructiveness in boundary layer, thus augmentation of heat transfer.
Preferably, 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, the top namely from the bottom of radiator to radiator, the density (i.e. quantity) in hole 23 constantly increases.Main cause is the direction of the flowing along air, and the thickness in boundary layer constantly increases, and therefore by arranging the density in ever-increasing hole 23, can make constantly to increase the destructiveness in boundary layer, thus augmentation of heat transfer.
Preferably, the density in the place that hole 23 is the closeest is 1.26-1.34 times of the density in the thinnest place, preferably 1.28 times.
As one preferably, on same second fin, from fin root (namely and the connecting portion of base tube 15) to fin top, the area in each hole 239 constantly diminishes.Main cause is from fin root to fin top, and the temperature of fin constantly declines, and therefore the thickness in boundary layer constantly reduces, and by arranging the area in the hole 23 of change, can realize the thickness of the diverse location destroying boundary layer, thus save material.
Preferably, the PTAT example relation on the change of the area in hole 23 and fin.
As one preferably, on same second fin, from fin root (namely and the connecting portion of base tube 1) to fin top, the density in hole 23 constantly reduces.Main cause is from fin root to fin top, and the temperature of fin constantly declines, and therefore the thickness in boundary layer constantly reduces, and by arranging the density in the hole 23 of change, can realize the thickness of the diverse location destroying boundary layer, thus save material.
Preferably, the PTAT example relation on the change of the density in hole 23 and fin.
Preferably, change according to certain rule for the width b2 between the second fin, concrete rule is from the base angle of isosceles triangle to drift angle, increasing from the width of the second fin 18 of two waists extensions of isosceles triangle, end from the drift angle of isosceles triangle to the first fin 17, the second fin 19 width extended from the first fin 18 is more and more less.Main cause is the second fin arranged at waist, and heat dissipation capacity increases gradually from base angle to drift angle, and therefore need the area increasing heat radiation, the width therefore by increasing fin increases the area of dissipation of fin.In like manner, along the first fin 18, from bottom to end, the quantity of heat radiation is fewer and feweri, therefore reduces the area of fin accordingly.By setting like this, radiating efficiency can be improved greatly, save material greatly simultaneously.
As preferably, from the base angle of isosceles triangle to drift angle, the amplitude increased from the second fin 18 width of two waists extensions of isosceles triangle is increasing, end from the drift angle of isosceles triangle to the first fin 17, the amplitude reduced from the second fin 19 width of the first fin 17 extension is more and more less.Found through experiments, by above-mentioned setting, with increase or minimizing amplitude identical compared with, the radiating effect of about 16% can be improved.Therefore there is good radiating effect.
Although the present invention discloses as above with preferred embodiment, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (5)
1. a steam generator system, comprise monitoring and diagnosis controller and boiler, described boiler comprises the blow-off pipe being arranged on boiler-steam dome lower end, blow-off pipe arranges blowoff valve, blowoff valve one end connects adjustment mechanism for valve, and adjustment mechanism for valve and monitoring and diagnosis controller carry out data cube computation, valve opening data are passed to monitoring and diagnosis controller, accept instruction from monitoring and diagnosis controller simultaneously, regulate the aperture of blowoff valve;
Described blow-off pipe comprises flowmeter further, measures the flow of blowdown; Described flowmeter and monitoring and diagnosis controller carry out data cube computation, data are passed to monitoring and diagnosis controller, monitoring and diagnosis controller calculates the blowdown quality of unit interval according to flowmeter;
The water inlet manifold of described boiler arranges flowmeter, for detecting the flow entered in boiler, described flowmeter and monitoring and diagnosis controller carry out data cube computation, the data of measurement are passed to monitoring and diagnosis controller, monitoring and diagnosis controller enters the quality of the water of boiler according to the flow rate calculation unit interval of measuring;
The quality of the water of the blowdown that monitoring and diagnosis controller detects exceedes in limited time with the ratio of the quality of the water of input boiler, and monitoring and diagnosis controller turns the aperture of blowoff valve down automatically by adjustment mechanism for valve; If the quality of the water of the blowdown detected exceedes lower prescribing a time limit with the ratio of the quality of the water of input boiler, monitoring and diagnosis controller tunes up the aperture of blowoff valve automatically by adjustment mechanism for valve;
Described monitoring and diagnosis controller and cloud server data cube computation, the data of monitoring are passed to cloud server, cloud server and client's side link, client can obtain the data of monitoring by cloud server.
2. steam generator system as claimed in claim 1, the aperture of the quality of the water of blowdown, the quality inputting the water of boiler and ratio thereof, blowoff valve is sent to cloud server by monitoring and diagnosis controller, and above-mentioned data are passed to client by cloud server;
Client is according to the data obtained, and the numerical value of the aperture of input blowoff valve, is passed to monitoring and diagnosis controller by cloud server, carried out the aperture of manual adjustments blowoff valve by monitoring and diagnosis controller.
3. steam generator system as claimed in claim 1, is characterized in that, if when the aperture of blowoff valve is maximum, the quality of the water of blowdown is still less than lower limit with the ratio of the quality of the water of input boiler, then client can give a warning;
If when the closedown of blowoff valve, the quality of the water of blowdown is still greater than higher limit with the ratio of the quality of the water of input boiler, then client can give a warning.
4. the steam generator system as described in one of claim 1-3, it is characterized in that described blow-off pipe arranges afterheat heat exchanger, described afterheat heat exchanger is convector, described radiator comprises upper header and lower collector pipe, radiating tube is connected between described upper header and lower collector pipe, described radiating tube comprises base tube and is positioned at the fin of matrix periphery, the cross section of described base tube is isosceles triangle, described fin comprises the first fin and the second fin, described first fin stretches out from isosceles triangle drift angle, described second fin comprises multiple fin of stretching from the facing epitaxy at two waist places of isosceles triangle and from the outward extending multiple fin of the first fin, the second fin extended to same direction is parallel to each other, described first fin, the end that second fin extends forms the second isosceles triangle, described substrate tube arranges first fluid passage, and described first fin inside arranges second fluid passage, described first fluid passage and second fluid channel connection.
5. steam generator system as claimed in claim 4, it is characterized in that, described second fin is relative to the face specular at the first fin center line place, the distance of adjacent the second described fin is L1, the base length of described isosceles triangle is W, the length of the waist of described second isosceles triangle is S, meets following formula:
L1/S*100=A*Ln (L1/W*100)+B* (L1/W)+C, wherein Ln is logarithmic function, A, B, C are coefficients, 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 ° of <a<160 °.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710540469.8A CN107270272B (en) | 2015-09-21 | 2015-09-21 | According to the boiler system of blowdown flow rate and carrying capacity automatic pollution discharge |
| 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 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| 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 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710540470.0A Division CN107218590B (en) | 2015-09-21 | 2015-09-21 | According to the boiler system of steam-water ratio automatic pollution discharge |
| CN201710540469.8A Division 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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| CN105135407A true CN105135407A (en) | 2015-12-09 |
| CN105135407B CN105135407B (en) | 2017-10-24 |
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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 |
| 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 |
| 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 |
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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 |
| 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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107270272A (en) | 2017-10-20 |
| CN107218590A (en) | 2017-09-29 |
| CN105135407B (en) | 2017-10-24 |
| CN107218590B (en) | 2018-09-18 |
| CN107270272B (en) | 2018-09-14 |
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