CN104896572A - Boiler system for monitoring by using cloud server - Google Patents
Boiler system for monitoring by using cloud server Download PDFInfo
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- CN104896572A CN104896572A CN201510237139.2A CN201510237139A CN104896572A CN 104896572 A CN104896572 A CN 104896572A CN 201510237139 A CN201510237139 A CN 201510237139A CN 104896572 A CN104896572 A CN 104896572A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/14—Combined heat and power generation [CHP]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P80/00—Climate change mitigation technologies for sector-wide applications
- Y02P80/10—Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
- Y02P80/15—On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply
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Abstract
The invention provides a boiler system for monitoring by using a cloud server. The boiler system further comprises a boiler system programmable controller; the programmable controller is connected with the cloud server; the cloud server is connected with a boiler system client terminal; the programmable controller transfers measured data to the cloud server, and then, the measured data is transferred to the boiler system client terminal through the cloud server, so that the client terminal can timely obtain operation information of the boiler system. The monitoring system based on cloud computing adopts the cloud server to replace a traditional local server, so that the maintenance is convenient, and the flexibility is strong.
Description
Technical field
The invention belongs to steam generation field, particularly relate to a kind of steam generator system.
Background technology
Traditional steam generator 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
Technical problem to be solved by this invention is to provide a kind of new boiler system.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of cloud server that utilizes carries out the steam generator system monitored, described steam generator system comprises steam generator system Programmable Logic Controller further, Programmable Logic Controller connects cloud server, cloud server and steam generator system client's side link, wherein the data of measurement are passed to cloud server by Programmable Logic Controller, then send steam generator system client to by cloud server, client can obtain the operation information of steam generator system in time.
As preferably, described operation information comprises at least one in the exhaust gas temperature of the rate of air sucked in required of steam turbine, the aperture of bleeder steam valve, the rotating speed of steam turbine, generated energy, the inflow of boiler, boiler.
As preferably, client can input the operation of Data Control steam generator system.
As preferably, described system comprises boiler, steam turbine, generator, extraction control valve, vapor-water heat exchanger, described vapor-water heat exchanger connects hot water feeding pipe and cold-water return pipe, steam in cold water and vapor-water heat exchanger carries out heat exchange, produce hot water, the steam that boiler produces passes through steam turbine, then generated electricity by generator, simultaneously, from steam turbine, extract a part of steam enter vapor-water heat exchanger, carry out heat exchange with the fluid from cold-water return pipe in vapor-water heat exchanger, the water circulation back boiler after steam-condensation.
As preferably, described vapor-water heat exchanger is one or more plate type heat exchanger, and the volume flow of two kinds of fluids of described plate type heat exchanger is different.
As preferably, described plate type heat exchanger comprises heat exchange plate, in the heat exchange plate of the little fluid passage of volume flow, at least one by-passing parts is set, the flow path of the heat exchanging fluid flowing through heat exchange plate is divided at least two flow manifolds by described by-passing parts, by-passing parts arranges opening, make point Cheng Liudao in described heat exchange plate be cascaded structure, thus make heat exchanging fluid on heat exchange plate, form S shape runner;
The Opening length L1 of by-passing parts, the length of by-passing parts is L2, and flow manifold width W, then meet following relational expression:
L1/L=a-b*Ln(L1/ W)-c*( L1/ W)；
Wherein L=L1+L2;
400<L<800mm, 80<L1<140mm, 130<W<150mm; Ln is logarithmic function
0.17<L1/L<0.22, 0.5< L1/ W <1.1
0.18<a<0.21,0.014<b<0.016,0.0035<c<0.004。
Compared with prior art, the present invention has following advantage:
1) cloud server should be adopted to substitute traditional home server based on the monitoring system of cloud computing.When operating scheme does not meet field demand, can according to field demand directly by the control program in Ethernet renewal cloud server and parameter, cloud server is by being connected to reach the control to system with controller with mobile network.When namely upgrading control program and parameter, directly by upgrading with network, and do not need attendant to go to on-the-spot renewal, flexibility is strong.
2) develop a kind of new plate type heat exchanger, and size is optimized.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of co-generation unit of the present invention
Fig. 2 is the plate type heat exchanger schematic diagram of a runner parallel connection
Fig. 3 is the schematic diagram of the plate type heat exchanger of runner series connection
Fig. 4 is the schematic diagram of the present invention's point journey sheet structure
Fig. 5 is the structural representation of the present invention's point journey pad
Fig. 6 is the sheet structure schematic diagram of the fluid that flow of the present invention is large
Fig. 7 is the structural representation of the present invention's point journey plate
Fig. 8 is the scale diagrams of point journey plate of Fig. 4
Fig. 9 is the single user schematic diagram of co-generation unit of the present invention
Figure 10 is steam generator system cloud computing operational flow diagram
Figure 11 is heat exchange station system cloud computing operational flow diagram
Figure 12 is cooling system cloud computing operational flow diagram
Reference numeral is as follows:
1 boiler, 2 steam turbines, 3 generators, 4 extraction control valves, 5 exhaust steam control valves, 6 vapor-water heat exchangers, 7 hot water feeding pipes, 8 cold-water return pipes, 9 control valves, 10 flowmeters, 11 inflow temperature sensors, 12 leaving water temperature sensors, 13 heat exchangers, 14 heat user feed pipes, 15 heat user return pipes, 16 circulating pumps, 17 calorimeters, 18 heat exchange station system Programmable Logic Controllers, 19 cooling system Programmable Logic Controllers, 20 steam generator system Programmable Logic Controllers, 21 cloud servers, 22 steam generator system clients, 23 heat exchange station system clients, 24 cooling system clients, 25 first fluid imports, 26 first fluid outlets, 27 second fluid imports, 28 second fluid outlets, 29 end plates, 30 end plates, 31 flow manifolds, 32 user's radiator inlet temperature sensors, 33 user's radiator outlet temperature sensors, 34 user's radiator flowmeters, 35 calorimeters, 36 user's radiator valves, 37 flow seal grooves, 38 flow seal pads, 39 heat exchange plates, 40 flow manifolds, 41 flow manifolds.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
The invention discloses a kind of cloud server that utilizes and carry out the steam generator system monitored, described steam generator system comprises steam generator system Programmable Logic Controller 20 further, Programmable Logic Controller 20 connects cloud server 21, cloud server 21 is connected with steam generator system client 22, wherein the data of measurement are passed to cloud server 21 by Programmable Logic Controller 20, then send steam generator system client 22 to by cloud server 21, client 22 can obtain the operation information of steam generator system in time.
As preferably, described operation information comprise the rate of air sucked in required of steam turbine, the aperture of bleeder steam valve, steam turbine rotating speed, generated energy, the inflow of boiler, the exhaust gas temperature of boiler etc. at least one.
As preferably, client 22 can input the operation of Data Control steam generator system, such as, control the aperture of evacuating valve according to steam turbine power generation amount, if generated energy is too high, the aperture then increasing valve, to increase rate of air sucked in required, if generated energy is too low, then reduces the aperture of valve to reduce rate of air sucked in required.
As preferably, above-mentioned steam generator system is a part for co-generation unit.
The invention discloses a kind of cloud server that utilizes and carry out the heat exchange station system monitored, described heat exchange station system comprises heat exchange station system Programmable Logic Controller 18 further, Programmable Logic Controller 18 connects cloud server 21, cloud server 21 is connected with heat exchange station system client 23, wherein the data of measurement are passed to cloud server 21 by Programmable Logic Controller 18, then send heat exchange station system client 23 to by cloud server 21, client 23 can obtain the operation information of heat exchange station system in time.
As preferably, described operation information comprises the flow velocity of water, the power etc. of pump on the out temperature of heat exchanger 13 thermal source, circulation line.
As preferably, client can input the operation of Data Control heat exchange station system, the flow velocity of the thermal source entering heat exchanger 13 is such as controlled according to the aperture of the size by-pass valve control of the outlet temperature of the thermal source of heat exchanger 13, if the outlet temperature of thermal source is too high, then reduce the flow of thermal source, outlet temperature is too low, then increase the flow of thermal source.
As preferably, above-mentioned heat exchange station system is a part for co-generation unit.
The invention discloses a kind of cloud server that utilizes and carry out the cooling system monitored, described cooling system comprises cooling system Programmable Logic Controller 19 further, Programmable Logic Controller 19 connects cloud server 21, cloud server 21 is connected with cooling system client 24, wherein the data of measurement are passed to cloud server 21 by Programmable Logic Controller 19, then send cooling system client 24 to by cloud server 21, client can obtain the operation information of cooling system in time.
As preferably, the temperature etc. in the room that described operation information comprises the water temperature of convector import and outlet, the flow of heating hot water, needs heat.
As preferably, client is in units of family.
As preferably, client can input the operation of Data Control heating system, such as, control the flow velocity of the hot water entering radiator according to the aperture of the temperature control valve in room, if room temperature is too high, then reduce the flow velocity of hot water, room temperature is too low, then increase the flow velocity of hot water.
As preferably, above-mentioned cooling system is a part for co-generation unit.
Three systems can independently be protected above, combine below by by three systems, form a co-generation unit.
As shown in Figure 1, a kind of co-generation unit comprises steam generator system, heat exchange station system and cooling system, wherein carry out heat exchange by vapor-water heat exchanger 6 between steam generator system with heat exchange station system to be connected, between heat exchange station system and cooling system, carry out heat exchange connection by heat exchanger 13.
Preferably, described system comprises steam generator system Programmable Logic Controller 20 further, and steam generator system Programmable Logic Controller 20 connects cloud server 21, and cloud server 21 is connected with steam generator system client 22.Wherein the data of measurement are passed to cloud server 21 by steam generator system Programmable Logic Controller 20, then steam generator system client is sent to by cloud server 21, steam generator system client 22 can obtain the operation information of steam generator system in time, the operation information that steam generator system operator can also be obtained by steam generator system client 22, is controlled by steam generator system client 22 input control parameter.
Preferably, described system comprises heat exchange station system controller 18 further, and heat exchange station system controller 18 connects cloud server 21, and cloud server 21 is connected with heat exchange station system client 23.Wherein the data of measurement, the information of control are passed to cloud server 21 by heat exchange station system controller 18, then heat exchange station system client 23 is sent to by cloud server 21, heat exchange station system client 23 can obtain the operation information of heat exchange station system in time, the operation information that heat exchange station system operator can also be obtained by heat exchange station system client 21, is controlled by heat exchange station system client 21 input control parameter.
Preferably, described system comprises cooling system controller 19 further, and cooling system controller 19 connects cloud server 21, and cloud server 21 is connected with cooling system client 24.Wherein the data of measurement, the information of control are passed to cloud server 21 by cooling system controller 19, then cooling system client 24 is sent to by cloud server 21, cooling system client 24 can obtain the operation information of cooling system in time, the operation information that heat user can also be obtained by cooling system client 24, is controlled by cooling system client 24 input control parameter.
Preferably, described cloud server is connected by Ethernet with described controller.
Preferably, described controller 18,19,20 comprises the first communication unit respectively; Described cloud server 28 comprises the second communication unit; First communication unit of described controller is connected with the second communication unit of described cloud server 28.Be connected as ICP/IP protocol can be adopted between the first communication unit with the second communication unit.
As shown in Figure 1, described co-generation unit, described co-generation unit comprises boiler 1, steam turbine 2, generator 3, extraction control valve 4, vapor-water heat exchanger 6, described vapor-water heat exchanger 6 connects hot water feeding pipe 7 and cold-water return pipe 8, and the steam in cold water and vapor-water heat exchanger 6 carries out heat exchange, produces hot water.The steam that boiler 1 produces is by steam turbine 2, then generated electricity by generator 3, meanwhile, from steam turbine 2, extract a part of steam enter vapor-water heat exchanger 6, heat exchange is carried out, the water circulation back boiler 1 after steam-condensation with the fluid from cold-water return pipe 8 in vapor-water heat exchanger 6.
Preferably, vapor-water heat exchanger 6 is plate type heat exchanger.
As shown in Figure 1, described system comprises hot water feeding pipe 7 further, cold-water return pipe 8, control valve 9, inflow temperature sensor 11, leaving water temperature sensors 12, heat exchanger 13, heat user flow pipe 14, heat user return pipe 15, user's radiator, circulating pump 16, flowmeter 10, calorimeter 17, Programmable Logic Controller 18, described hot water feeding pipe 7 is connected with heat exchanger 13, hot water feeding pipe 7 arranges control valve 9, for regulating the flow of the hot water entering heat exchanger 13, pipeline between control valve 9 and heat exchanger 13 is arranged inflow temperature sensor 11, for measuring the inflow temperature of heat exchanger 13,
Heat exchanger 13 is connected with heat user feed pipe 14 and heat user return pipe 15, heat user radiator (see Fig. 1) is connected between heat user feed pipe 14 and heat user return pipe 15, the water of heat user return pipe 15 carries out heat exchange by the hot water provided with the steam-water heat exchanger in heat exchanger 13, and then is arrived in user's radiator by heat user feed pipe 14 and heat; Described circulating pump 16 is arranged on heat user return pipe 15;
Heat exchanger 13 is connected with cold-water return pipe 8, and cold-water return pipe 8 arranges flowmeter 10, for detecting the flow of the water in cold-water return pipe 8; Cold-water return pipe 8 between flowmeter 10 and heat exchanger 13 sets out water temperature sensor, for measuring the leaving water temperature of heat exchanger 13;
Inflow temperature sensor 11, leaving water temperature sensors 12, flowmeter 10 are connected with heat exchange station system controller eighteen data respectively, the data of measurement are passed to cloud server by controller 18, then pass to client 23.
Heat user radiator is the multiple of parallel connection, and Fig. 1 show only two, but is not limited to two, and conveniently, the associated components related in radiator parallel transistor in Fig. 1-2, such as temperature sensor, flowmeter etc. show only one.
The outlet pipe of each heat user radiator is arranged flowmeter 34, for detecting the flow of the water in radiator, the water inlet of each heat user radiator and delivery port arrange inflow temperature sensor 32 and leaving water temperature sensors 33 respectively, be respectively used to the inflow temperature and the leaving water temperature that detect radiator, calorimeter 35 respectively with flowmeter 34, inflow temperature sensor 33 and leaving water temperature sensors 34 data cube computation, for calculating the heat that heat user expends; The water inlet pipe of each heat user radiator is provided with flow control valve 36, for regulating separately the flow entering the water of radiator, described Programmable Logic Controller 19 and calorimeter 35, control valve 36 data cube computation, for automatically controlling cooling system; The data that the heat of user uses are passed to Programmable Logic Controller 19 by calorimeter 35, the heat that Programmable Logic Controller 19 is bought according to user contrasts with the heat used at present, if heat is finished, Programmable Logic Controller 19 controls to adjust valve 36 and closes completely.
Flowmeter 34, inflow temperature sensor 32 and leaving water temperature sensors 33, control valve 36 respectively with cooling system controller 19 data cube computation, the data (flow velocity, temperature, control valve opening) measured passed to cloud server by controller 19, then to pass to client 24.
Calorimeter 35 and cooling system controller 19 data cube computation, the data (heat accumulation service condition) measured are passed to cloud server by controller 19, then pass to client 24.
Cloud server 21 stores the record of the service condition of user's heat constantly, also according to certain hour interval, such as, can store every 1 hour.User can inquire about heat service condition in client 24 at any time, such as, can inquire about the heat amount of the use of certain a period of time.
Cloud server 21 also stores user and buys heat simultaneously.User can look into after-heat in client 24.
The heat that user buys by Programmable Logic Controller 19 passes to client with the heat used at present.
The heat that client 24 can be bought according to user contrasts with the heat used at present, by the aperture of client input data manual adjustments control valve 36.Such as heat residue is few, then can turn the aperture of control valve 36 down.
Described heating system arranges indoor temperature transmitter, and the Temperature numerical of measurement is passed to controller 19 by indoor temperature transmitter.Pass to cloud server by controller 19, then pass to client 24 by cloud server.The temperature of the indoor in the room of the needs heating that client 24 can obtain according to client, by the aperture of client input data manual adjustments control valve 36.Such as temperature exceedes certain numerical value, then can turn the aperture of control valve 36 down.
Calorimeter can be real-time by user use heat be supplied to Programmable Logic Controller, also can provide according to the regular hour, such as every day carries out lump-sum settlement.
Programmable Logic Controller calculates the remaining heat of user automatically, and when user's heat surplus reaches the first data, Programmable Logic Controller adjustment control valve 36 is to the first aperture lower than normal aperture; When user's heat surplus reaches lower than the first data second data, Programmable Logic Controller adjustment control valve is to the second aperture lower than the first aperture; When user's heat surplus reaches lower than the second data the 3rd data, Programmable Logic Controller adjustment control valve is to the 3rd aperture lower than the second aperture; When user's heat surplus reaches lower than the 3rd data the 4th data, Programmable Logic Controller adjustment control valve is to the 4th aperture lower than the 3rd aperture; When user's heat surplus reaches lower than the 4th data the 5th data, Programmable Logic Controller adjustment control valve is to the 5th aperture lower than the 4th aperture; When user's heat surplus reaches lower than the 5th data the 6th data, Programmable Logic Controller adjustment control valve is to the 6th aperture lower than the 5th aperture; Last when user's heat surplus reaches close to zero, Programmable Logic Controller adjustment control valve cuts out completely.
Programmable Logic Controller is by the above-mentioned operation of progressively closing the operate power of control valve and reduction pump, it can be the stopping heated progressively, such user just can feel that heating amount is in decline gradually, thus its heat knowing that you buy has been closed on be finished, need to buy as early as possible.
Above-mentioned operation can complete in regular hour section, has completed such as, in several days or in the week, and such user could feel the minimizing of heating amount gradually, thus reminds him initiatively to buy heat.
Preferably, cooling system client is mobile terminal.
Above-mentioned user operation can be realized by cooling system client, thus realize without cassette heat charging administration system, achieve charge and heat supply network supplement with money without card transmission, heat user obtains the payment password obtained according to payment number afterwards in payment, and supplement with money in unit operation hypervisor within a certain period of time, supplement the rear amount of money with money and password all lost efficacy, thus greatly reduce the financial risks in heat supply network charge.Certainly, user also directly can use Web bank to carry out purchase operation by real operation panel.
Preferably, arrange control valve 4 in extraction line between steam turbine 2 and heat exchanger 6, control valve 4 and Programmable Logic Controller 20 data cube computation, control valve 4 is for controlling the amount of drawing gas, meanwhile, regulate according to the inlet temperature of the heat exchanger 13 of temperature sensor 11 measurement the amount of drawing gas.If inlet temperature is too high, then the corresponding minimizing amount of drawing gas, if inlet temperature is too low, then the corresponding increase amount of drawing gas.
Heat exchanger 13 Inlet Temperatures that user can obtain according to client 22, the data of input control valve 4 aperture, pass to controller 20 by cloud server, the aperture of manual adjustments control valve.
Certainly, the amount of drawing gas of multiple notch cuttype can be set according to inlet temperature.If the first temperature of inlet temperature subnormal temperature, then the aperture of control valve reaches the first aperture higher than normal aperture, inlet temperature is lower than the second temperature of the first temperature, then the aperture of control valve reaches the second aperture higher than the first aperture, inlet temperature is lower than the 3rd temperature of the second temperature, then the aperture of control valve reaches the 3rd aperture higher than the second aperture, inlet temperature is lower than the 4th temperature of the 3rd temperature, then the aperture of control valve reaches the 4th aperture higher than the 3rd aperture, inlet temperature is lower than the 5th temperature of the 4th temperature, then the aperture of control valve reaches the 5th aperture higher than the 4th aperture, if inlet temperature is lower than the 5th temperature, then the aperture of control valve reaches the highest.
If the aperture of control valve 4 reach the highest after, inlet temperature is still lower than the 5th temperature, and now, Programmable Logic Controller can send warning, reminds whether whole system to exist and leaks or go wrong.
Certainly, if inlet temperature is too high, then the aperture that will reduce control valve accordingly reduces the amount of drawing gas.
As one preferably, can exhaust steam after steam turbine power generation first with the steam that extract in steam turbine 2, and then enter in heat exchanger 6 and carry out heat exchange.Such one side can make full use of the heat energy in exhaust steam in steam turbine, on the other hand because the temperature and pressure of the steam extracted in steam turbine is very high, the resistance to gentle bearing capacity of heat exchanger 6 is caused to require very high, by both mixing, the temperature and pressure of the steam entered in heat exchanger 6 can be reduced, reduce the requirement of heat exchanger performance.
As one preferably, control valve 5 is set in the pipeline taking out exhaust steam, control valve 5 and Programmable Logic Controller carry out data cube computation, set temperature sensor on the jet chimney of heat exchanger 6 entrance simultaneously, temperature sensor and Programmable Logic Controller carry out data cube computation, be used for measuring the temperature of the steam entering heat exchanger 6, Programmable Logic Controller regulates the aperture of control valve 5 by the vapor (steam) temperature entering heat exchanger 6, if vapor (steam) temperature is too high, then increase the aperture of control valve 5, if inlet steam temperature is too low, then reduce the aperture of control valve 5.
What user can obtain according to client 22 enters heat exchanger 6 vapor (steam) temperature data, and the data of input control valve 5 aperture, pass to controller 20 by cloud server, the aperture of manual adjustments control valve 5.
As one preferably, the aperture of control valve 4 and 5 can be regulated to regulate the temperature of the steam entered in heat exchanger 6 simultaneously.If steam inlet temperature is too high, then increase the aperture of control valve 5, reduce the aperture of control valve 4, if inlet steam temperature is too low, then reduce the aperture of control valve 5, increase the aperture of control valve 4.
What user can obtain according to client 22 enters heat exchanger 6 vapor (steam) temperature data, and the data of input control valve 4,5 aperture, pass to controller 20 by cloud server, the aperture of manual adjustments control valve 4,5.
As preferably, described Programmable Logic Controller 18 carries out data cube computation with calorimeter 17, described calorimeter 17 carries out data cube computation with inflow temperature sensor 11, leaving water temperature sensors 12 and flowmeter 10, and calculates according to the flow of the inflow temperature measured, leaving water temperature and water the total amount of heat inputing to user; The contrast of the heat expended by the total amount of heat and each user that calculate input user, thermal loss rate can be calculated, if loss late is excessive, then should carry out scale removal work to system in time, the cost of reasonable computation units of heat can also be carried out simultaneously according to thermal loss rate.
The thermal loss rate data that user can obtain according to client 22, by client input instruction to cloud server, thus control controller, manually carry out scale removal work.
Described Programmable Logic Controller 18 carries out data cube computation with control valve 9, when radiator control valve 36 because the heat consumption of user is complete or be about to consumption complete and cause aperture to change time, now, Programmable Logic Controller 18 regulates the aperture of control valve 9 automatically according to the aperture of control valve 36, thus the hot water of input heat exchanger 13 is changed accordingly, such as, reduce accordingly, with economize energy.
Described heat exchange station system controller is connected cloud server with cooling system controller, cloud server and heat exchange station system client's side link, wherein the data of control valve 36 aperture are passed to cloud server by cooling system controller, data are passed to heat exchange station system controller by cloud server again, heat exchange station system controller regulates the aperture of the first control valve 9 automatically, then sends control valve 9 aperture data to heat exchange station system client by cloud server.
As preferably, the data of control valve 36 aperture are passed to heat exchange station system client by cloud server, and heat exchange station system client is according to the aperture of data manual input parameter manual adjustments first control valve 9.
Certainly, the data of all measurements noted earlier can send to corresponding client by cloud server, corresponding client can receive the measurement data of corresponding system timely, and the data that even can realize the measurement of steam generator system, heat exchange station system and cooling system are shared mutually on the client.The information of above-mentioned all controls can input corresponding parameter by corresponding client, then sends corresponding controller to by cloud server and carries out long-range hand-guided, comprise the operation of switch related system.Certainly, operator can obtain the corresponding parameter measured in time by corresponding client.
As preferably, described vapor-water heat exchanger 6 and/or heat exchanger 13 are one or more plate type heat exchanger. as preferably, following structure taked by plate type heat exchanger:
Plate type heat exchanger comprises heat exchange plate 39, in described heat exchange plate 39, at least one by-passing parts is set, the flow path of the heat exchanging fluid flowing through heat exchange plate is divided at least two points of Cheng Liudao 31 by described by-passing parts, and point Cheng Liudao 31 in described heat exchange plate 39 is cascaded structure.By the cascaded structure of above-mentioned point Cheng Liudao 31, make fluid therefore through all point Cheng Liudao 31, as shown in Figure 7, thus make heat exchanging fluid on heat exchange plate 31, form S shape runner.
In the heat exchange plate of the little passage of volume flow, by-passing parts is set.
By arranging by-passing parts, the fluid making flow little can be full of whole heat exchange plate, thus avoids the heat exchange area occurring some fluid short circuits, thus adds the coefficient of heat transfer, improves the coefficient of heat transfer of whole heat exchanger; In addition, by arranging by-passing parts, make the fluid of low discharge also can realize the parallel connection of the fluid passage in multiple plate, as shown in Figure 2 a, avoid the structure of little fluid channel setting for the series connection shown in Fig. 3 a to improve the coefficient of heat transfer, thus four of fluid import and export 25-29 can be made all to be arranged on same end plate, thus make easy to maintenance.
As preferably, the volume flow of large flow fluid is more than 2 times of the volume flow of low discharge fluid.
As preferably, by-passing parts is realized by seal groove 37 and sealing gasket 38, and described seal groove 37 is arranged on heat exchange plate, by being inserted in seal groove 37 by sealing gasket 38, thus forms by-passing parts.
As preferably, by-passing parts is by directly arranging sealing strip to realize on heat exchange plate.As preferably, sealing strip and heat exchange plate integration manufacture.
On the fluid inlet of heat exchange plate and the two ends up and down of outlet, i.e. the two ends up and down of Fig. 4, by-passing parts is at one end closed, at the other end, opening is set, wherein along left and right directions, aperture position is disposed alternately at upper and lower two ends, ensures that fluid passage forms S shape like this.
Direction up and down mentioned before note that and is below not limited in using state be direction up and down, is only used to the structure of the plate of stating in Fig. 4 herein.
Plate described in Fig. 4,7 is because be provided with two by-passing parts, and therefore the import and export of fluid are arranged on top and bottom.Can certainly arrange 1 or odd number by-passing parts, the import and export position of fluid is now located on same one end, is namely positioned at upper end or lower end simultaneously.
Foregoing S shape runner can be half S shape, the situation of a by-passing parts is such as only set, also can be whole S shape, such as Fig. 4,7 form, also can be the combination of multiple S shapes and/or half S shape, such as, arrange the situation of 2 by-passing parts of being greater than, such as 3 by-passing parts be exactly the combination of 1 one S shapes and half S shape, 4 by-passing parts are exactly 2 S shapes, etc. by that analogy.
For adopting the form of sealing gasket, as preferably, the pad integrated design of the setting between sealing gasket and heat exchange plate for plate heat exchanger sheet, therefore present invention provides the pad used between heat exchange plate in plate type heat exchanger in.At least one flow seal pad 38 is set in described pad, the flow path of the heat exchanging fluid flowing through heat exchange plate is divided at least two points of Cheng Liudao 31 by described flow seal pad 38, a point Cheng Liudao 31 in described heat exchange plate 39 is cascaded structure, thus makes heat exchanging fluid on heat exchange plate 39, form S shape runner.
Finding in numerical simulation and experiment, by arranging by-passing parts, the heat exchanger coefficient of heat transfer can be made to increase, but also bring the increase of flow resistance simultaneously.Found by numerical simulation and experiment, for the width of flow manifold, if too small, flow resistance can be caused excessive, the pressure-bearing of heat exchanger is too large, and may produce runner dual-side interlayer and overlap along fluid flow direction, and causes the coefficient of heat transfer to decline, width of flow path is excessive also can cause the coefficient of heat transfer reducing plate type heat exchanger, therefore has a suitable numerical value for split channel 31; Length for by-passing parts opening also has certain requirement, if too small openings, the quantity that fluid can be caused to be flow through by opening is too small, stressedly reduce the coefficient of heat transfer in increasing simultaneously, in like manner, if excessive, then fluid can produce short-circuited region, do not have corresponding heat transfer effect, therefore have a suitable length for opening yet.Therefore between the length, flow manifold width of the Opening length of by-passing parts, by-passing parts, an optimized size relationship is met.
Therefore, the present invention is thousands of numerical simulations by the heat exchanger of multiple different size and test data, meeting in industrial requirements pressure-bearing situation (below 2.5MPa), when realizing maximum heat exchange amount, the dimensionally-optimised relation of the heat exchange plate of the best summed up.
As shown in Figure 8, the Opening length L1 of by-passing parts, the length of by-passing parts is L2, and flow manifold width W, then meet following relational expression:
L1/L=a-b*Ln(L1/ W)-c*( L1/ W)；
Wherein L=L1+L2;
400<L<800mm, 80<L1<140mm, 130<W<150mm; Ln is logarithmic function
0.17<L1/L<0.22, 0.5< L1/ W <1.1
0.18<a<0.21,0.014<b<0.016,0.0035<c<0.004。
Wherein Opening length is along by-passing parts, from the position that opening occurs along the position farthest reaching fluid passage, as the A point in Fig. 8.
As preferably, a=0.19, b=0.015, c=0.0037;
As preferably, along with the continuous increase of L1/ W, the numerical value of a constantly reduces;
As preferably, along with the continuous increase of L1/ W, the numerical value of b, c constantly increases.
As preferably, the flow velocity of the fluid of split channel is 0.4-0.8m/s, and preferably, 0.5-0.6m/s, the heat transfer effect taking above-mentioned formula to obtain under this flow velocity is best.
Preferably, the distance between plates 4-6mm of heat exchanging plate of heat exchanger, preferred 5mm.
For the form integrated with pad of the employing sealing gasket in Fig. 5, under also meeting above-mentioned formula situation, heat transfer effect is optimum.
As preferably, multiple by-passing parts is parallel to each other.
As preferably, along the direction (namely far away apart from the fluid intake of heat exchange plate) of fluid flowing, the width W of flow manifolds different on same heat exchange plate constantly reduces.Such as, the width of the flow manifold 31 in Fig. 4 is greater than flow manifold 40, and the width of flow manifold 40 is greater than flow manifold 41.Constantly being reduced by flow manifold width W to make fluid constantly accelerate, and avoids because the fluid caused that is short of power runs slowly.
As preferably, along the direction of fluid flowing, the width W of same flow manifold constantly reduces.Such as, in flow manifold 31, along fluid flow direction (namely Fig. 4 from top to bottom), width W constantly reduces.Now, for the W employing in preceding formula is mean breadth W.
As preferably, on various heat exchange plate, distance heat exchanger fluid entrance is far away, and flow manifold width is less.Mainly distance entrance is far away, then distributing fluids is fewer, makes fluid ensure certain flow velocity by the change of width of flow path.
As preferably, heat exchange plate arranges ripple, and the height of ripple is different.On same plate, along the flow path of fluid, the wave height in same split channel raises gradually, and such as, in flow manifold 7, along fluid flow direction (namely Fig. 4 from top to bottom), wave height raises gradually.
As preferably, flow manifold distance heat exchange plate fluid intake distance is far away, and the height of the ripple in different flow manifold is higher, such as, wave height in flow manifold 31 in Fig. 4 is less than flow manifold 40, and the wave height of flow manifold 40 is less than flow manifold 41.
As preferably, on various heat exchange plate, distance heat exchanger fluid entrance is far away, and wave height is higher.Mainly distance entrance is far away, then distributing fluids is fewer, makes fluid ensure certain flow velocity by the change of wave height.
As preferably, heat exchange plate arranges ripple, and the density of ripple is different.On same plate, along the flow path of fluid, the corrugation density in same split channel becomes large gradually, and such as, in flow manifold 31, along fluid flow direction (namely Fig. 4 from top to bottom), corrugation density becomes large gradually.
As preferably, flow manifold distance heat exchange plate fluid intake distance is far away, and the density of the ripple in different flow manifold becomes greatly.Such as, the corrugation density in the flow manifold 31 in Fig. 4 is less than flow manifold 40, and the corrugation density of flow manifold 40 is less than flow manifold 41.
As preferably, on various heat exchange plate, distance heat exchanger fluid entrance is far away, and corrugation density is larger.Mainly distance entrance is far away, then distributing fluids is fewer, makes fluid ensure certain flow velocity by the change of wave height.
As preferably, the amplitude that wave height noted earlier and/or density increase is more and more less.
As preferably, described heat exchange plate adopts Cu alloy material, described copper alloy is processed by copper, iron, manganese, cerium, magnesium, tin, silver, chromium and other auxiliary materials, in described copper alloy, shared by each composition, percentage by weight is respectively: copper 71.2% ~ 82.5%, iron 3.3% ~ 4.5%, manganese 1.1% ~ 2.5%, cerium 0.35% ~ 0.45%, magnesium 0.77% ~ 1.3%, tin 0.028% ~ 0.14%, silver 0.06% ~ 0.09%, chromium 0.3% ~ 0.9%, remaining as auxiliary material.
As preferably, described auxiliary material is mixed and processed by zinc chloride and charcoal.
As preferably, in described copper alloy, shared by each composition, percentage by weight is respectively: copper 76.3%, iron 4.4%, manganese 1.8%, cerium 0.5%, magnesium 1.07%, tin 0.007%, silver 0.75%, chromium 0.6%, remaining as auxiliary material.
The processing method of above-mentioned copper alloy is as follows:
1, with intermediate frequency furnace cathode copper melted and be warming up to 1300 ~ 1400 DEG C, adding crome metal, silver insulation 33 minutes;
2, after pulling slag out, add all the other compositions and stir.Then tapping casting, and control furnace temperature at 1340 DEG C;
3, semi continuous casting is adopted, nitrogen protection during casting;
4, as required foundry goods to be forged or pressure processing becomes parts, then parts are heated to 900 DEG C of insulations, 3 hours hardening, then insulation carries out Ageing Treatment in 2 ~ 3 hours at 479 DEG C of temperature;
The copper alloy made through above-mentioned specification has high temperature resistant, that thermal conductivity factor is high characteristic, and substantially improves non-deformability and wearability.
As preferably, the gasket seal between sealing gasket 38 and/or heat exchange plate adopts elastomeric material.Described elastomeric material is made up of the raw material of following parts by weight: ethylene propylene diene rubber 7-9 part, butadiene-styrene rubber 3-6 part, zinc oxide 6-8 part, white carbon 13-15 part, promoter 4-5 part, blowing agent 2-8 part, naphthenic oil 5-6 part, titanium dioxide 20 parts, natural rubber 50-55 part, Lay mattress falls apart 10-13 part, silicon rubber 15-17 part, 2 parts, carborundum, Melamine 2 parts, 0.6 part to 1.5 parts, age resistor, softening agent 4 parts to 6 parts, vulcanizing agent 2.2 parts to 4 parts.
As preferably, ethylene propylene diene rubber 8 parts, butadiene-styrene rubber 5 parts, 7 parts, zinc oxide, white carbon 14 parts, promoter 4 parts, blowing agent 4 parts, naphthenic oil 6 parts, titanium dioxide 20 parts, natural rubber 52 parts, loose 12 parts of Lay mattress, 16 parts, silicon rubber, 2 parts, carborundum, Melamine 2 parts, 0.9 part, age resistor, softening agent 5 parts, vulcanizing agent 3 parts.
Manufacture method comprises the steps:
A. in banbury, add that described ethylene propylene diene rubber, butadiene-styrene rubber, zinc oxide, white carbon, promoter, blowing agent, naphthenic oil, titanium dioxide, natural rubber, Lay mattress are loose successively, silicon rubber, carborundum, Melamine and promoter and age resistor, then starting banbury, to carry out first time mixing, 70 seconds to 75 seconds time, temperature is 60 DEG C to 70 DEG C;
B. in the banbury of step A, adding softening agent, to carry out second time mixing, and 75 seconds time, temperature is less than 105 DEG C, then cools binder removal;
C. sulfuration: the glue of step B is discharged to and tablet press machine adds vulcanizing agent again turns refining, time 125-140 second, bottom sheet and get final product.
As preferably, promoter is diphenylguanidine.
As preferably, described promoter is dithiocar-bamate; Described age resistor is Tissuemat E; Described softening agent is paraffin; Described vulcanizing agent is curing resin.
Described rubber tool has the following advantages: 1) composite by the material of interpolation zinc oxide, titanium dioxide, resulting materials good springiness, and has certain hardness, and wear-resisting durable, the life-span is long, not easy to wear.2) owing to adopting Tissuemat E as antiaging agent, the persistence of rubber, hardness and abrasion resistance can be improved; 3) cure time is short, makes rubber become the large molecule of space network by the macromolecules cross-linking of linear structure, its anti-tensile of the rubber of output, surely stretch, wear-resisting performance is good.
Fig. 6 illustrates the flow channel of the large fluid of flow, and in fact, for the present invention, two kinds of heat exchanging fluids can the little fluid of use traffic.Such as when heat exchange plate is certain, the flow of two kinds of fluids is all very little, and now the flow channel of two kinds of fluids can take the plate of Fig. 4, Fig. 7 form.
Fig. 9 illustrates the schematic diagram of the single user of co-generation unit.As shown in Figure 9, described system comprises hot water feeding pipe 7 further, cold-water return pipe 8, control valve 9, inflow temperature sensor 11, leaving water temperature sensors 12, heat exchanger 13, heat user flow pipe 14, heat user return pipe 15, user's radiator, circulating pump 16, flowmeter 10, calorimeter 17, Programmable Logic Controller 18, described hot water feeding pipe 7 is connected with heat exchanger 13, hot water feeding pipe 7 arranges control valve 9, for regulating the flow of the hot water entering heat exchanger 13, pipeline between control valve 9 and heat exchanger 13 is arranged inflow temperature sensor 11, for measuring the inflow temperature of heat exchanger 13,
Heat exchanger 13 is connected with heat user feed pipe 14 and heat user return pipe 15, heat user radiator (see Fig. 3) is connected between heat user feed pipe 14 and heat user return pipe 15, the water of heat user return pipe 15 carries out heat exchange by the hot water provided with the steam-water heat exchanger in heat exchanger 13, and then is arrived in user's radiator by heat user feed pipe 14 and heat; Described circulating pump 16 is arranged on heat user return pipe 15;
Heat exchanger 13 is connected with cold-water return pipe 8, and cold-water return pipe 8 arranges flowmeter 10, for detecting the flow of the water in cold-water return pipe 8; Cold-water return pipe 8 between flowmeter 10 and heat exchanger 13 sets out water temperature sensor, for measuring the leaving water temperature of heat exchanger 13;
Described calorimeter 17 carries out data cube computation with inflow temperature sensor 11, leaving water temperature sensors 12 and flowmeter 10, and calculates the heat expended of heat user according to the flow of the inflow temperature measured, leaving water temperature and water;
Described Programmable Logic Controller 18 carries out data cube computation, for automatically controlling co-generation unit with circulating pump 16, calorimeter 17 and control valve 10; The data that the heat of user uses are passed to Programmable Logic Controller 18 by calorimeter 17, the heat that Programmable Logic Controller 18 is bought according to user contrasts with the heat used at present, if heat is finished, Programmable Logic Controller 18 controls to adjust valve and closes completely;
Heat user feed pipe is arranged heat user feed temperature sensor (Fig. 7 is not shown), for detecting heat user feed temperature, feed temperature sensor and Programmable Logic Controller carry out data cube computation; When Controlled by Programmable Controller control valve cuts out, water circulating pump is simultaneously out of service.
Preferably, Programmable Logic Controller calculates the remaining heat of user automatically, when user's heat surplus reaches the first data, circulating pump, to the first aperture lower than normal aperture, is adjusted to the first power lower than normal operate power by Programmable Logic Controller adjustment control valve simultaneously; When user's heat surplus reaches lower than the first data second data, circulating pump, to the second aperture lower than the first aperture, is adjusted to the second power lower than the first power by Programmable Logic Controller adjustment control valve simultaneously; When user's heat surplus reaches lower than the second data the 3rd data, circulating pump, to the 3rd aperture lower than the second aperture, is adjusted to the 3rd power lower than the second power by Programmable Logic Controller adjustment control valve simultaneously; When user's heat surplus reaches lower than the 3rd data the 4th data, circulating pump, to the 4th aperture lower than the 3rd aperture, is adjusted to the 4th power lower than the 3rd power by Programmable Logic Controller adjustment control valve simultaneously; When user's heat surplus reaches lower than the 4th data the 5th data, circulating pump, to the 5th aperture lower than the 4th aperture, is adjusted to the 5th power lower than the 4th power by Programmable Logic Controller adjustment control valve simultaneously; When user's heat surplus reaches lower than the 5th data the 6th data, circulating pump, to the 6th aperture lower than the 5th aperture, is adjusted to the 6th power lower than the 5th power by Programmable Logic Controller adjustment control valve simultaneously; Last when user's heat surplus reaches close to zero, Programmable Logic Controller adjustment control valve cuts out completely, stops the operation of circulating pump simultaneously.
Programmable Logic Controller is by the above-mentioned operation of progressively closing the operate power of control valve and reduction pump, it can be the stopping heated progressively, such user just can feel that heating amount is in decline gradually, thus its heat knowing that you buy has been closed on be finished, need to buy as early as possible.
The embodiment other guide of Fig. 9 is identical with the embodiment content of Fig. 1-2, is not described further.
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 (6)
1. one kind utilizes cloud server to carry out the steam generator system monitored, described steam generator system comprises steam generator system Programmable Logic Controller further, Programmable Logic Controller connects cloud server, cloud server and steam generator system client's side link, wherein the data of measurement are passed to cloud server by Programmable Logic Controller, then send steam generator system client to by cloud server, client can obtain the operation information of steam generator system in time.
2. steam generator system as claimed in claim 1, described operation information comprises at least one in the exhaust gas temperature of the rate of air sucked in required of steam turbine, the aperture of bleeder steam valve, the rotating speed of steam turbine, generated energy, the inflow of boiler, boiler.
3. steam generator system as claimed in claim 1, client can input the operation of Data Control steam generator system.
4. steam generator system as claimed in claim 1, it is characterized in that comprising boiler, steam turbine, generator, extraction control valve, vapor-water heat exchanger, described vapor-water heat exchanger connects hot water feeding pipe and cold-water return pipe, and the steam that boiler produces, by steam turbine, is then generated electricity by generator, simultaneously, from steam turbine, extract a part of steam enter vapor-water heat exchanger, carry out heat exchange with the fluid from cold-water return pipe in vapor-water heat exchanger, the water circulation back boiler after steam-condensation.
5. steam generator system as claimed in claim 1, is characterized in that described vapor-water heat exchanger is one or more plate type heat exchanger.
6. a co-generation unit, comprises the steam generator system of claim 1-5.
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